{
  "name": "Prop-firm rule volatility: per-firm canonical rule-change counts from corpus git history (2026-08)",
  "description": "Script-derived per-firm counts of canonical value-hash transitions in rules/<slug>/<account_size>.json across git history (corpus-sync canonicalRules fingerprint), plus raw touch counts and a secondary rechecks[] change-day signal. Contains no pass rates for any named firm. Honest about restore-collapsed tip ancestry and touch-vs-value inflation.",
  "url": "https://propsurvival.com/research/rule-volatility",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "https://propsurvival.com/research/rule-volatility",
  "datePublished": "2026-09-11",
  "dateModified": "2026-09-11",
  "_generated_by": "tools/build-rule-volatility.js — canonical value-hash transitions via corpus-sync canonicalRules + rules/** rechecks; zero hand-typed firm counts",
  "_reproduce": "node tools/build-rule-volatility.js --check",
  "_package": "plan2127 / pkg4888-quant (+ research pkg4887 consumes)",
  "_subject_is_synthetic": false,
  "seed": {
    "tip": "8f9a7ebc806bcbd50ddaf802534b8f02cdbf76b9",
    "tip_date": "2026-09-11",
    "history_scope": "frozen SEED_COMMIT_IDS in tools/build-rule-volatility.js (from git log --all -- rules/)",
    "commit_count": 89,
    "commit_set_hash": "f442d77fd60bbfdce7c7f69efaccc68fef3451b874d69d00335a51a4ead757ce",
    "commit_ids": [
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      "71b00415c92cd654b467360ad2caf53cf8df7cda",
      "d6f1606b80db40aa3dd17e265879c1cacb776b0b",
      "343a8be5e5144f469b77538cd7fa3af998af6870",
      "5b8ae6fa789fb95123892dcb3e35d3fd53c7f1f8",
      "3c8f93d725f3c209be0a203336527de65b9ff223",
      "48f39dcafa0ef97b7d5ab40ee33eb2aa3388f865",
      "61cdb4a184ce4711ca72b3c48952525d622383fa",
      "24b4760a9f0a4574f718bf68d667aa7b6ce09bb5",
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      "8e296ce861dd281e840b630ec9354ba74446ad68",
      "8f9a7ebc806bcbd50ddaf802534b8f02cdbf76b9"
    ],
    "tip_ancestry_commit_count": 51,
    "fingerprint_law": "tools/corpus-sync.js canonicalRules / HASH_EXCLUDED_KEYS",
    "refresh_seed": false
  },
  "method": {
    "primary": "Walk git commits that touch rules/** (object-store --all). For each firm, when a commit touches rules/<slug>/, recompute the canonicalRules hash over that commit's account-size JSON files. Count a value change only for a fingerprint new to that slug (never previously observed). Restore / re-touch of a seen hash is raw touch only. first_seen is birth, not a change.",
    "raw_touch": "raw_touch_count increments whenever a commit lists any path under rules/<slug>/, regardless of whether the canonical hash moved. Used only as an honesty contrast against value_change_count.",
    "secondary": "Across each firm's size JSON files, collect distinct rechecks[].checked_at dates whose outcome matches isRecheckChangeOutcome() (change/changed/correction word-boundary; excludes unchanged / no change). Labelled secondary — not a substitute for the git-derived primary series.",
    "deterministic": "Same commit-id set (seed.commit_set_hash) + same rules/** files ⇒ byte-identical JSON.",
    "exclusions": "Top-level non-firm dirs: unverified, hand-derived, golden, schema, node_modules"
  },
  "corpus": {
    "firm_rule_set_count": 60,
    "config_count": 247,
    "corpus_hash": "a72e6a8c00e7d788ca0b4fc3023b7ce528fe39ad286304ed23252e3dd87d2cfc",
    "canonical_rules_hash": "391023ef6a450be440052158f7c6f57ad7efb172e35db15e8348f4ad3e2df5ac",
    "global_anchor": "2026-09-10",
    "inclusion": "rules/<slug>/<account_size>.json; slugs from computeCorpus() (skips unverified/hand-derived/golden/schema)",
    "reachable_git_note": "Primary series walks object-store history (git log --all -- rules/). Tip ancestry alone is thinner after the 2026-08-25 restore; both counts are published."
  },
  "results": {
    "firms": [
      {
        "slug": "funded-futures-family",
        "firm": "Funded Futures Family",
        "product": "Velocity",
        "size_files": 4,
        "raw_touch_count": 6,
        "value_change_count": 2,
        "first_seen": "2026-09-10",
        "last_value_change": "2026-09-10",
        "value_change_dates": [
          "2026-09-10",
          "2026-09-10"
        ],
        "value_change_commits": [
          {
            "hash": "a2c3bc3f99080b50763c3baa46bdd561a2efec48",
            "date": "2026-09-10",
            "subject": "[Grok] stamp FFF inert ambiguities + corpus-sync 60/247 after trunk merge"
          },
          {
            "hash": "343a8be5e5144f469b77538cd7fa3af998af6870",
            "date": "2026-09-10",
            "subject": "[Grok] FFF CONCERNS: dateModified 2026-09-10, classify PARTIAL, landscape snapshot, max_contracts quotes"
          }
        ],
        "raw_touch_dates": [
          "2026-09-10"
        ],
        "recheck_change_day_count": 0,
        "recheck_change_days": [],
        "size_files_with_changed_recheck": 0,
        "changelog_mentions": 0
      },
      {
        "slug": "ftmo-1step",
        "firm": "FTMO",
        "product": "FTMO Challenge (1-Step)",
        "size_files": 3,
        "raw_touch_count": 5,
        "value_change_count": 1,
        "first_seen": "2026-08-14",
        "last_value_change": "2026-09-07",
        "value_change_dates": [
          "2026-09-07"
        ],
        "value_change_commits": [
          {
            "hash": "34edb05212aafdc99b0c2451df261be2633534b3",
            "date": "2026-09-07",
            "subject": "[Grok] #SEO3 #R95 U22e: payout provenance for 14 firms (BL-SEO-49)"
          }
        ],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17",
          "2026-09-04",
          "2026-09-07"
        ],
        "recheck_change_day_count": 2,
        "recheck_change_days": [
          "2026-07-31",
          "2026-09-06"
        ],
        "size_files_with_changed_recheck": 3,
        "changelog_mentions": 1
      },
      {
        "slug": "alpha-zero",
        "firm": "Alpha Futures",
        "product": "Zero",
        "size_files": 3,
        "raw_touch_count": 5,
        "value_change_count": 1,
        "first_seen": "2026-08-14",
        "last_value_change": "2026-09-07",
        "value_change_dates": [
          "2026-09-07"
        ],
        "value_change_commits": [
          {
            "hash": "34edb05212aafdc99b0c2451df261be2633534b3",
            "date": "2026-09-07",
            "subject": "[Grok] #SEO3 #R95 U22e: payout provenance for 14 firms (BL-SEO-49)"
          }
        ],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17",
          "2026-09-04",
          "2026-09-07"
        ],
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        "recheck_change_days": [
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        ],
        "size_files_with_changed_recheck": 3,
        "changelog_mentions": 0
      },
      {
        "slug": "ftmo",
        "firm": "FTMO",
        "product": "FTMO Challenge (2-Step)",
        "size_files": 3,
        "raw_touch_count": 5,
        "value_change_count": 1,
        "first_seen": "2026-08-14",
        "last_value_change": "2026-09-04",
        "value_change_dates": [
          "2026-09-04"
        ],
        "value_change_commits": [
          {
            "hash": "3c289113b2ce2cacc96499959077115efe2e4316",
            "date": "2026-09-04",
            "subject": "[Claude] #SUS2 PKG-3: rule pages disclose when a cited sentence can't be re-found, 11 of 39 flagged firms restored on real evidence"
          }
        ],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17",
          "2026-09-04",
          "2026-09-07"
        ],
        "recheck_change_day_count": 1,
        "recheck_change_days": [
          "2026-09-06"
        ],
        "size_files_with_changed_recheck": 3,
        "changelog_mentions": 1
      },
      {
        "slug": "fundednext-rapid",
        "firm": "FundedNext Futures",
        "product": "Rapid Pro Challenge",
        "size_files": 3,
        "raw_touch_count": 5,
        "value_change_count": 1,
        "first_seen": "2026-08-14",
        "last_value_change": "2026-09-07",
        "value_change_dates": [
          "2026-09-07"
        ],
        "value_change_commits": [
          {
            "hash": "34edb05212aafdc99b0c2451df261be2633534b3",
            "date": "2026-09-07",
            "subject": "[Grok] #SEO3 #R95 U22e: payout provenance for 14 firms (BL-SEO-49)"
          }
        ],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17",
          "2026-09-04",
          "2026-09-07"
        ],
        "recheck_change_day_count": 1,
        "recheck_change_days": [
          "2026-09-06"
        ],
        "size_files_with_changed_recheck": 3,
        "changelog_mentions": 0
      },
      {
        "slug": "myfundedfutures",
        "firm": "MyFundedFutures",
        "product": "Builder",
        "size_files": 2,
        "raw_touch_count": 5,
        "value_change_count": 1,
        "first_seen": "2026-08-14",
        "last_value_change": "2026-09-07",
        "value_change_dates": [
          "2026-09-07"
        ],
        "value_change_commits": [
          {
            "hash": "34edb05212aafdc99b0c2451df261be2633534b3",
            "date": "2026-09-07",
            "subject": "[Grok] #SEO3 #R95 U22e: payout provenance for 14 firms (BL-SEO-49)"
          }
        ],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17",
          "2026-09-04",
          "2026-09-07"
        ],
        "recheck_change_day_count": 1,
        "recheck_change_days": [
          "2026-09-06"
        ],
        "size_files_with_changed_recheck": 2,
        "changelog_mentions": 0
      },
      {
        "slug": "maven-trading",
        "firm": "Maven Trading",
        "product": "Standard 1-Step Challenge",
        "size_files": 6,
        "raw_touch_count": 3,
        "value_change_count": 1,
        "first_seen": "2026-08-14",
        "last_value_change": "2026-09-07",
        "value_change_dates": [
          "2026-09-07"
        ],
        "value_change_commits": [
          {
            "hash": "34edb05212aafdc99b0c2451df261be2633534b3",
            "date": "2026-09-07",
            "subject": "[Grok] #SEO3 #R95 U22e: payout provenance for 14 firms (BL-SEO-49)"
          }
        ],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17",
          "2026-09-07"
        ],
        "recheck_change_day_count": 2,
        "recheck_change_days": [
          "2026-07-31",
          "2026-09-06"
        ],
        "size_files_with_changed_recheck": 6,
        "changelog_mentions": 2
      },
      {
        "slug": "phidias-fundamental",
        "firm": "Phidias",
        "product": "Fundamental",
        "size_files": 2,
        "raw_touch_count": 3,
        "value_change_count": 1,
        "first_seen": "2026-08-14",
        "last_value_change": "2026-09-07",
        "value_change_dates": [
          "2026-09-07"
        ],
        "value_change_commits": [
          {
            "hash": "34edb05212aafdc99b0c2451df261be2633534b3",
            "date": "2026-09-07",
            "subject": "[Grok] #SEO3 #R95 U22e: payout provenance for 14 firms (BL-SEO-49)"
          }
        ],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17",
          "2026-09-07"
        ],
        "recheck_change_day_count": 2,
        "recheck_change_days": [
          "2026-07-22",
          "2026-09-06"
        ],
        "size_files_with_changed_recheck": 2,
        "changelog_mentions": 0
      },
      {
        "slug": "funding-pips-pro",
        "firm": "FundingPips",
        "product": "2-Step Pro",
        "size_files": 3,
        "raw_touch_count": 3,
        "value_change_count": 1,
        "first_seen": "2026-08-14",
        "last_value_change": "2026-09-07",
        "value_change_dates": [
          "2026-09-07"
        ],
        "value_change_commits": [
          {
            "hash": "34edb05212aafdc99b0c2451df261be2633534b3",
            "date": "2026-09-07",
            "subject": "[Grok] #SEO3 #R95 U22e: payout provenance for 14 firms (BL-SEO-49)"
          }
        ],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17",
          "2026-09-07"
        ],
        "recheck_change_day_count": 1,
        "recheck_change_days": [
          "2026-09-06"
        ],
        "size_files_with_changed_recheck": 3,
        "changelog_mentions": 0
      },
      {
        "slug": "goat-funded-trader",
        "firm": "Goat Funded Trader",
        "product": "GOAT (1-Step Challenge) — the account carrying the \"Most Popular\" badge among GFT's evaluation lineup on the firm's own /model comparison page (competing products: 2-Step Standard, 2-Step PRO, 2-Step GOAT/\"Goat Blitz\", 3-Step \"HERO\", several Instant Funding variants, \"Goat 1$\", and \"Pay Later\"). Treated as flagship per the firm's own designation, not a third-party claim.",
        "size_files": 13,
        "raw_touch_count": 3,
        "value_change_count": 1,
        "first_seen": "2026-08-14",
        "last_value_change": "2026-09-06",
        "value_change_dates": [
          "2026-09-06"
        ],
        "value_change_commits": [
          {
            "hash": "06b355240b53c51ff7f7b3a27a4645367b42a5e3",
            "date": "2026-09-06",
            "subject": "[Claude] wip: rule changes — resumed from dead agent, 17 files"
          }
        ],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17",
          "2026-09-06"
        ],
        "recheck_change_day_count": 1,
        "recheck_change_days": [
          "2026-08-12"
        ],
        "size_files_with_changed_recheck": 13,
        "changelog_mentions": 2
      },
      {
        "slug": "blue-guardian-futures",
        "firm": "Blue Guardian Futures",
        "product": "Standard",
        "size_files": 4,
        "raw_touch_count": 5,
        "value_change_count": 0,
        "first_seen": "2026-08-14",
        "last_value_change": null,
        "value_change_dates": [],
        "value_change_commits": [],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17",
          "2026-09-04",
          "2026-09-07"
        ],
        "recheck_change_day_count": 0,
        "recheck_change_days": [],
        "size_files_with_changed_recheck": 0,
        "changelog_mentions": 0
      },
      {
        "slug": "bulenox",
        "firm": "Bulenox",
        "product": "Qualification (EOD)",
        "size_files": 5,
        "raw_touch_count": 5,
        "value_change_count": 0,
        "first_seen": "2026-08-14",
        "last_value_change": null,
        "value_change_dates": [],
        "value_change_commits": [],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17",
          "2026-09-04",
          "2026-09-07"
        ],
        "recheck_change_day_count": 0,
        "recheck_change_days": [],
        "size_files_with_changed_recheck": 0,
        "changelog_mentions": 0
      },
      {
        "slug": "the5ers",
        "firm": "The5ers",
        "product": "High Stakes (New)",
        "size_files": 2,
        "raw_touch_count": 5,
        "value_change_count": 0,
        "first_seen": "2026-08-14",
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          "2026-08-17"
        ],
        "recheck_change_day_count": 0,
        "recheck_change_days": [],
        "size_files_with_changed_recheck": 0,
        "changelog_mentions": 1
      },
      {
        "slug": "elite-trader-funding",
        "firm": "Elite Trader Funding",
        "product": "1 Step Evaluation",
        "size_files": 3,
        "raw_touch_count": 2,
        "value_change_count": 0,
        "first_seen": "2026-08-14",
        "last_value_change": null,
        "value_change_dates": [],
        "value_change_commits": [],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17"
        ],
        "recheck_change_day_count": 0,
        "recheck_change_days": [],
        "size_files_with_changed_recheck": 0,
        "changelog_mentions": 1
      },
      {
        "slug": "fintokei",
        "firm": "Fintokei",
        "product": "ProTrader (2-Step)",
        "size_files": 6,
        "raw_touch_count": 2,
        "value_change_count": 0,
        "first_seen": "2026-08-14",
        "last_value_change": null,
        "value_change_dates": [],
        "value_change_commits": [],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17"
        ],
        "recheck_change_day_count": 0,
        "recheck_change_days": [],
        "size_files_with_changed_recheck": 0,
        "changelog_mentions": 1
      },
      {
        "slug": "funded-trading-plus-2step",
        "firm": "Funded Trading Plus",
        "product": "2-Step Classic",
        "size_files": 4,
        "raw_touch_count": 2,
        "value_change_count": 0,
        "first_seen": "2026-08-14",
        "last_value_change": null,
        "value_change_dates": [],
        "value_change_commits": [],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17"
        ],
        "recheck_change_day_count": 0,
        "recheck_change_days": [],
        "size_files_with_changed_recheck": 0,
        "changelog_mentions": 1
      },
      {
        "slug": "funding-pips",
        "firm": "FundingPips",
        "product": "2-Step Standard",
        "size_files": 2,
        "raw_touch_count": 2,
        "value_change_count": 0,
        "first_seen": "2026-08-14",
        "last_value_change": null,
        "value_change_dates": [],
        "value_change_commits": [],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17"
        ],
        "recheck_change_day_count": 0,
        "recheck_change_days": [],
        "size_files_with_changed_recheck": 0,
        "changelog_mentions": 0
      },
      {
        "slug": "instant-funding",
        "firm": "Instant Funding",
        "product": "Instant Funding (flagship, no-evaluation instant-funded account program)",
        "size_files": 9,
        "raw_touch_count": 2,
        "value_change_count": 0,
        "first_seen": "2026-08-14",
        "last_value_change": null,
        "value_change_dates": [],
        "value_change_commits": [],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17"
        ],
        "recheck_change_day_count": 0,
        "recheck_change_days": [],
        "size_files_with_changed_recheck": 0,
        "changelog_mentions": 1
      },
      {
        "slug": "leeloo-trading",
        "firm": "Leeloo Trading",
        "product": "Foundation Practice Account",
        "size_files": 6,
        "raw_touch_count": 2,
        "value_change_count": 0,
        "first_seen": "2026-08-14",
        "last_value_change": null,
        "value_change_dates": [],
        "value_change_commits": [],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17"
        ],
        "recheck_change_day_count": 0,
        "recheck_change_days": [],
        "size_files_with_changed_recheck": 0,
        "changelog_mentions": 1
      },
      {
        "slug": "lucid-trading",
        "firm": "Lucid Trading",
        "product": "LucidPro Evaluation",
        "size_files": 4,
        "raw_touch_count": 2,
        "value_change_count": 0,
        "first_seen": "2026-08-16",
        "last_value_change": null,
        "value_change_dates": [],
        "value_change_commits": [],
        "raw_touch_dates": [
          "2026-08-16",
          "2026-08-18"
        ],
        "recheck_change_day_count": 0,
        "recheck_change_days": [],
        "size_files_with_changed_recheck": 0,
        "changelog_mentions": 1
      },
      {
        "slug": "ment-funding",
        "firm": "Ment Funding",
        "product": "Forex 1-Step",
        "size_files": 6,
        "raw_touch_count": 2,
        "value_change_count": 0,
        "first_seen": "2026-08-16",
        "last_value_change": null,
        "value_change_dates": [],
        "value_change_commits": [],
        "raw_touch_dates": [
          "2026-08-16",
          "2026-08-18"
        ],
        "recheck_change_day_count": 0,
        "recheck_change_days": [],
        "size_files_with_changed_recheck": 0,
        "changelog_mentions": 1
      },
      {
        "slug": "ofp-funding",
        "firm": "OFP Funding",
        "product": "Instant Funding — \"Classic\" plan (ofpfunding.com/pricing, Instant Mode tab; type:\"instant\", accountType:\"Classic\" in the site's own server-rendered product data). The only Instant-Mode tier that is genuinely zero-evaluation (profitTarget:null, minTradingDays:0, maxTradingDays:null in that same per-SKU record) and the only tier priced up to $300,000; sibling Instant tabs (Lite, capped $200k and carrying a real 5%/5-day evaluation despite the \"Instant\" name; Plus/Pro/Prime, capping at $100k/$200k/$200k) are out of scope for this product file. Models the 3% daily / 6% overall risk-pair option at the 80% base profit-split tier — of two selectable risk pairs (3%/6% and 5%/10%) and two selectable profit-split tiers (80% base, 100% paid upgrade) priced separately at checkout for every size (see pricing.initial_fee and payout.profit_split_pct provenance for the unmodeled alternatives).",
        "size_files": 5,
        "raw_touch_count": 2,
        "value_change_count": 0,
        "first_seen": "2026-08-14",
        "last_value_change": null,
        "value_change_dates": [],
        "value_change_commits": [],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17"
        ],
        "recheck_change_day_count": 0,
        "recheck_change_days": [],
        "size_files_with_changed_recheck": 0,
        "changelog_mentions": 2
      },
      {
        "slug": "oneup-trader",
        "firm": "OneUp Trader",
        "product": "1-Step Evaluation",
        "size_files": 5,
        "raw_touch_count": 2,
        "value_change_count": 0,
        "first_seen": "2026-08-14",
        "last_value_change": null,
        "value_change_dates": [],
        "value_change_commits": [],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17"
        ],
        "recheck_change_day_count": 0,
        "recheck_change_days": [],
        "size_files_with_changed_recheck": 0,
        "changelog_mentions": 1
      },
      {
        "slug": "phidias-e2l",
        "firm": "Phidias",
        "product": "Express to Live",
        "size_files": 4,
        "raw_touch_count": 2,
        "value_change_count": 0,
        "first_seen": "2026-08-14",
        "last_value_change": null,
        "value_change_dates": [],
        "value_change_commits": [],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17"
        ],
        "recheck_change_day_count": 0,
        "recheck_change_days": [],
        "size_files_with_changed_recheck": 0,
        "changelog_mentions": 0
      },
      {
        "slug": "sabiotrade",
        "firm": "SabioTrade",
        "product": "Advanced",
        "size_files": 5,
        "raw_touch_count": 2,
        "value_change_count": 0,
        "first_seen": "2026-08-14",
        "last_value_change": null,
        "value_change_dates": [],
        "value_change_commits": [],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17"
        ],
        "recheck_change_day_count": 0,
        "recheck_change_days": [],
        "size_files_with_changed_recheck": 0,
        "changelog_mentions": 1
      },
      {
        "slug": "the-trading-pit",
        "firm": "The Trading Pit",
        "product": "Futures Prime",
        "size_files": 3,
        "raw_touch_count": 2,
        "value_change_count": 0,
        "first_seen": "2026-08-14",
        "last_value_change": null,
        "value_change_dates": [],
        "value_change_commits": [],
        "raw_touch_dates": [
          "2026-08-14",
          "2026-08-17"
        ],
        "recheck_change_day_count": 0,
        "recheck_change_days": [],
        "size_files_with_changed_recheck": 0,
        "changelog_mentions": 1
      }
    ]
  },
  "findings": {
    "firmCount": 60,
    "historyCommitCount": 89,
    "tipAncestryCommitCount": 51,
    "metaOnlyCommitCount": 59,
    "contentCommitCount": 30,
    "totalRawTouches": 189,
    "totalValueChanges": 11,
    "valueChangePerRawTouch": 0.058,
    "firmsWithValueChanges": 10,
    "firmsWithValueChangesPct": 16.7,
    "firmsWithZeroValueChanges": 50,
    "firmsWithRawTouches": 60,
    "firmsWithTouchesButZeroValueChanges": 50,
    "firmsWithCorpusInternalRecheckChange": 14,
    "firmsWithCorpusInternalRecheckChangePct": 23.3,
    "topByValueChange": [
      {
        "slug": "funded-futures-family",
        "firm": "Funded Futures Family",
        "value_change_count": 2,
        "value_change_dates": [
          "2026-09-10",
          "2026-09-10"
        ],
        "raw_touch_count": 6
      },
      {
        "slug": "ftmo-1step",
        "firm": "FTMO",
        "value_change_count": 1,
        "value_change_dates": [
          "2026-09-07"
        ],
        "raw_touch_count": 5
      },
      {
        "slug": "alpha-zero",
        "firm": "Alpha Futures",
        "value_change_count": 1,
        "value_change_dates": [
          "2026-09-07"
        ],
        "raw_touch_count": 5
      },
      {
        "slug": "ftmo",
        "firm": "FTMO",
        "value_change_count": 1,
        "value_change_dates": [
          "2026-09-04"
        ],
        "raw_touch_count": 5
      },
      {
        "slug": "fundednext-rapid",
        "firm": "FundedNext Futures",
        "value_change_count": 1,
        "value_change_dates": [
          "2026-09-07"
        ],
        "raw_touch_count": 5
      },
      {
        "slug": "myfundedfutures",
        "firm": "MyFundedFutures",
        "value_change_count": 1,
        "value_change_dates": [
          "2026-09-07"
        ],
        "raw_touch_count": 5
      },
      {
        "slug": "maven-trading",
        "firm": "Maven Trading",
        "value_change_count": 1,
        "value_change_dates": [
          "2026-09-07"
        ],
        "raw_touch_count": 3
      },
      {
        "slug": "phidias-fundamental",
        "firm": "Phidias",
        "value_change_count": 1,
        "value_change_dates": [
          "2026-09-07"
        ],
        "raw_touch_count": 3
      }
    ],
    "topCorpusInternal": [
      {
        "slug": "maven-trading",
        "firm": "Maven Trading",
        "recheck_change_day_count": 2,
        "recheck_change_days": [
          "2026-07-31",
          "2026-09-06"
        ],
        "size_files_with_changed_recheck": 6
      },
      {
        "slug": "aqua-futures",
        "firm": "Aqua Futures",
        "recheck_change_day_count": 2,
        "recheck_change_days": [
          "2026-07-22",
          "2026-07-30"
        ],
        "size_files_with_changed_recheck": 4
      },
      {
        "slug": "ftmo-1step",
        "firm": "FTMO",
        "recheck_change_day_count": 2,
        "recheck_change_days": [
          "2026-07-31",
          "2026-09-06"
        ],
        "size_files_with_changed_recheck": 3
      },
      {
        "slug": "phidias-fundamental",
        "firm": "Phidias",
        "recheck_change_day_count": 2,
        "recheck_change_days": [
          "2026-07-22",
          "2026-09-06"
        ],
        "size_files_with_changed_recheck": 2
      },
      {
        "slug": "goat-funded-trader",
        "firm": "Goat Funded Trader",
        "recheck_change_day_count": 1,
        "recheck_change_days": [
          "2026-08-12"
        ],
        "size_files_with_changed_recheck": 13
      }
    ],
    "inconvenient": {
      "rawTouchesInflateRuleChanges": true,
      "valueChangeRateBelowFivePct": false,
      "majorityOfTouchedFirmsHaveZeroValueChanges": true,
      "tipAncestryCollapsedRelativeToObjectStore": true,
      "highTouchZeroValueChangeExamples": [
        {
          "slug": "blue-guardian-futures",
          "firm": "Blue Guardian Futures",
          "raw_touch_count": 5,
          "value_change_count": 0
        },
        {
          "slug": "bulenox",
          "firm": "Bulenox",
          "raw_touch_count": 5,
          "value_change_count": 0
        },
        {
          "slug": "the5ers",
          "firm": "The5ers",
          "raw_touch_count": 5,
          "value_change_count": 0
        }
      ],
      "noteRawVsValue": "Across 89 commits touching rules/** in this object store, firms accumulate 189 raw file-touches but only 11 canonical value-hash transitions (0.058 of touches). A touch-count ranking would inflate volatility by counting restores, backups and paperwork-adjacent rewrites that do not move the rule fingerprint.",
      "noteTipAncestry": "Tip ancestry alone sees 51 commits on rules/**, while the object-store walk used here sees 89. The 2026-08-25 corpus restore collapsed first-parent history; first_seen at restore is birth, not a value change.",
      "noteHighTouchZeroChange": "Example: blue-guardian-futures has 5 raw touches and 0 value changes; bulenox has 5 raw touches and 0 value changes; the5ers has 5 raw touches and 0 value changes. High git activity is not the same as a moving rule book.",
      "noteCorpusInternalRicher": "Corpus-internal rechecks[] with outcome matching changed/corrected record field-change days on 14 of 60 firms (23.3%). That secondary signal is labelled secondary because the study title promises git-derived counts.",
      "noteNoPassRates": "This dataset publishes change counts and dated corpus events only. It does not publish pass rates, firm rankings, or comparative claims about which firm is easier to pass.",
      "noteNoRanking": "Firms are ordered by value_change_count for machine readability only. That order is not a ranking of firm quality, difficulty, or trustworthiness."
    }
  },
  "datasetSchema": {
    "@context": "https://schema.org",
    "@type": "Dataset",
    "name": "Prop-firm rule volatility: per-firm canonical rule-change counts from corpus git history (2026-08)",
    "description": "Script-derived per-firm counts of canonical value-hash transitions in rules/<slug>/<account_size>.json across git history (corpus-sync canonicalRules fingerprint), plus raw touch counts and a secondary rechecks[] change-day signal. Contains no pass rates for any named firm. Honest about restore-collapsed tip ancestry and touch-vs-value inflation.",
    "url": "https://propsurvival.com/research/rule-volatility",
    "creator": {
      "@type": "Organization",
      "name": "PropSurvival",
      "url": "https://propsurvival.com/"
    },
    "publisher": {
      "@type": "Organization",
      "name": "PropSurvival",
      "url": "https://propsurvival.com/"
    },
    "datePublished": "2026-09-11",
    "dateModified": "2026-09-11",
    "temporalCoverage": "2026-07/2026-08",
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "isAccessibleForFree": true,
    "variableMeasured": [
      "firm rule-set slug",
      "canonical value-hash change count",
      "raw git touch count (account-size JSON)",
      "value-change dates",
      "corpus-internal recheck change-day count",
      "size files with a changed/corrected recheck",
      "changelog mention count (rule-changes.json)"
    ],
    "distribution": {
      "@type": "DataDownload",
      "encodingFormat": "application/json",
      "contentUrl": "https://propsurvival.com/research/rule-volatility-data.json"
    },
    "citation": "https://propsurvival.com/research/rule-volatility"
  },
  "disclaimer": "PropSurvival models published evaluation rules. This dataset counts dated corpus and git events under a disclosed fingerprint law. It does not rank firms, publishes no pass rate for any named firm, and is not affiliated with any firm. Licence: CC BY 4.0."
}