{
  "license": "CC-BY-4.0",
  "licenseUrl": "https://creativecommons.org/licenses/by/4.0/",
  "attribution": "ChainChoice (https://chainchoice.io)",
  "url": "https://chainchoice.io/data/methodology/2026.09.9.json",
  "version": "2026.09.9",
  "status": "archived",
  "publishedAt": "2026-09-13",
  "title": "Seven perp venues, and GMX’s GM pools, are no longer shown as available where their own terms restrict them",
  "supersededBy": "2026.09.10",
  "previous": "2026.09.8",
  "changelog": {
    "url": "https://chainchoice.io/methodology/changelog/archive#v-2026.09.9",
    "entry": {
      "version": "2026.09.9",
      "publishedAt": "2026-09-13",
      "title": "Seven perp venues, and GMX’s GM pools, are no longer shown as available where their own terms restrict them",
      "summary": "Gains Network (gTrade), GMX, Jupiter Perps, Helix, Paradex and Lighter carried supportedRegions ['us', 'europe', 'global'] with no availability note, so a US reader was told each leveraged venue was eligible for them; Hyperliquid carried no restriction at all. Each venue’s own terms, rendered and read on 2026-09-13, restrict US persons, and Helix, Paradex and Lighter also Canada, Helix and Lighter the United Kingdom. Each record now quotes its terms page with the date the page states, names as restricted the listed countries this site can match (the full lists stay in the quotes), and drops the US tag.",
      "rationale": "Only what each page states was applied, quoted verbatim. Hyperliquid restricts Ontario, not Canada, so Canada is not excluded for it. Jupiter lists “the Republic of China”, which is ambiguous and not mapped. Synthetix’s website terms list sanctioned jurisdictions only and may not govern its perps product, Drift’s terms now sit on a Velocity Protocol page that did not render, Aster’s terms URL returns 404, and Vertex’s site returns 404; those rows are unchanged and still counted as unsourced.",
      "affectedCategories": [
        "perp_dex",
        "perp_house_vaults"
      ],
      "changes": [
        {
          "type": "fixed",
          "description": "gmx_gm_pools (perp_house_vaults): the same GMX terms govern app.gmx.io, where GM and GLV pools are bought; restrictedMarkets United States and supportedRegions [global] → [europe, global]. The 2026-08-17 research found no terms in the documentation and could not render one behind the app; the page dated 20 August 2026 now renders. US readers now have one eligible perp_house_vaults option instead of two (market-coverage ratchet lowered accordingly)."
        },
        {
          "type": "fixed",
          "description": "gains-network, gmx, jupiter-perps, helix, paradex, lighter: supportedRegions [us, europe, global] → [europe, global]; restrictedMarkets and a dated, quoted countryAvailabilityNote from each venue’s terms. hyperliquid: restrictedMarkets United States with its terms quoted."
        },
        {
          "type": "changed",
          "description": "Personalised perp_dex runs for US readers no longer rank these seven; Canadian readers lose Helix, Paradex and Lighter; UK readers lose Helix and Lighter. The published ranking is unchanged in all 119 categories. One golden case changes its winner: perp_house_vaults country=US, where GMX GM pools is now excluded and Velocity’s insurance fund is the only eligible row. Fourteen other perp_house_vaults cases change only the count of rows whose terms list every country (2 → 1); no order moves. The golden set has no US, UK or Canadian perp_dex reader."
        },
        {
          "type": "added",
          "description": "tests/leverage-availability.test.ts holds each sourced exclusion and lowers the unsourced leverage-tag ceiling from 19 to 12."
        }
      ],
      "approvedBy": "mathias-siemonsmeier"
    }
  },
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      "src": "git:c321fbc8e40d1d094eeb95dd3d74a2bd217b2004",
      "at": "2026-09-14T01:27:17+02:00",
      "note": "The category specs as committed at the last commit before the next version was recorded."
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    "introduced": {
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      "at": "2026-09-13T21:13:25+02:00"
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    "specCommitsAfterIntroduction": 0,
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        "sha256": "2d08625c03372a57924a4188221c9cee49f087e391258f774b6b8bdd9c262b6a",
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      "tokenised_commodities": {
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        "url": "https://chainchoice.io/data/methodology/category/trading_tools.90723c470dd26c29.json"
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        "sha256": "d7847a6c8b3fb39947868fd2c31978af216898427127a7e07ae3d9091d9d6ebb",
        "url": "https://chainchoice.io/data/methodology/category/travel_rule_compliance.d7847a6c8b3fb399.json"
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        "url": "https://chainchoice.io/data/methodology/category/wallet.5d3c3db6fb31e988.json"
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        "url": "https://chainchoice.io/data/methodology/category/web3_apps.17c4b2ec1128628d.json"
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        "sha256": "f3fad21723fd154b6c6762aa003c0e52809c8a3aa8c0678207ac33cd82549dd8",
        "url": "https://chainchoice.io/data/methodology/category/wrapped_assets.f3fad21723fd154b.json"
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      "yield_aggregators": {
        "specVersion": "2026.08",
        "sha256": "5f929dd0ebc40f84d17b6731550efcc10dbdae7cafd71ce0e8cd1abaea61d302",
        "url": "https://chainchoice.io/data/methodology/category/yield_aggregators.5f929dd0ebc40f84.json"
      },
      "yield_vaults": {
        "specVersion": "2026.08",
        "sha256": "14dc93f329c5af144155592d8ce86000140c5d7fea736e46b2345bae250a283a",
        "url": "https://chainchoice.io/data/methodology/category/yield_vaults.14dc93f329c5af14.json"
      }
    },
    "formula": {
      "step1_weightedTotal": "weightedTotal = (SUM over dimensions of (breakdown[d] / baseWeight[d]) * weight[d]) / (SUM of weight[d]) * 86",
      "step2_absoluteScore": "absolute = weightedTotal <= 20 ? round(40 + weightedTotal) : round(60 + (weightedTotal / 86) * 38), clamped to [40, 99]",
      "step3_poolRelative": "score = round(min(min(99, max(41, leaderScore - (leaderWeighted - weightedTotal) * 2.6)), scoreOfRowAbove))",
      "note": "boundBy names which limit decided the number when one did: floor, ceiling, row-above, or none. Rows marked floor sit at 41 and the multiplication alone gives a lower figure.",
      "baseWeights": {
        "availability": 20,
        "objectiveFit": 30,
        "frictionFit": 10,
        "trustBonus": 8,
        "quantitative": 18
      },
      "unweightedDimensions": [
        "profileFit"
      ],
      "unweightedNote": "These dimensions are computed and published in every breakdown but carry no weight in the total. profileFit left the composite in methodology 2026.09.2: it was constant inside all 114 categories, so its 20 points moved every product in a pool identically and ordered nothing. Sum the breakdown against baseWeights and the unweighted terms are simply absent from the arithmetic — that is the intended reading, not an omission.",
      "weightVersusInfluence": "A base weight is how much a dimension COULD move a score, not how much it did. Each category publishes dimensionSpread: the range that dimension actually covered across its pool. A spread of 0 means the dimension was constant there and decided nothing, however large its weight.",
      "objectiveBasis": "Each product names where its objectiveFit points came from. \"criteria\": the block is the weighted sum of the published criterion cells, round(min(30, 0.75 × Σ weight × cell/10 × 32)), and a pairwise ledger can itemise it per criterion. \"whole\": the category scores the block from structural facts or capability flags rather than per-criterion cells, so it enters a ledger as one term. \"sunset\": the product no longer operates (sunsetAt gives the date) and the block is zeroed regardless of its cells.",
      "totalBaseWeight": 86,
      "spreadPerWeightedPoint": 2.6,
      "scoreFloor": 41,
      "scoreCeiling": 99,
      "leaderRobustnessNote": "leaderSurvivesOnePointChange: whether this category keeps its #1 when any single criterion score moves by one point on the 0-10 scale — the smallest difference two competent raters can hold. False in 39 of 118 categories. A false does not mean the ranking is wrong; it means the evidence separates the top two by less than the width of a judgement call, and the file says so rather than letting the displayed gap imply otherwise. null means the sweep could not run — too few criteria or too small a pool — and is deliberately not reported as robust."
    },
    "recipe": "sha256 is the SHA-256 of the category spec (the file's \"spec\" field) written as compact JSON: every object's keys sorted, no spaces or line breaks, non-ASCII characters as UTF-8 (not escaped), no trailing newline. That is the serialisation of the rankings digest."
  },
  "rankings": {
    "ledger": "https://chainchoice.io/data/rankings-ledger.jsonl",
    "produced": [],
    "whenIntroduced": "4cc01c5a73737e6327397cf9b9151e042678ecb3aff5eada6e08412b823db518",
    "whenSuperseded": "4cc01c5a73737e6327397cf9b9151e042678ecb3aff5eada6e08412b823db518",
    "newest": null,
    "note": "produced lists the ledger's digest entries whose rankings.json was generated while this version was the newest changelog entry (seq is the entry's place in the ledger). whenIntroduced and whenSuperseded are the digests of the rankings.json committed with the first and the last commit of this version."
  },
  "gaps": [],
  "notes": [
    "No rankings.json with a digest of its own was recorded while this version was the newest entry: the published file did not change under it, so the order in force was the one recorded before it."
  ]
}