{
  "name": "StablecoinX perpetual market data",
  "canonical": "https://ethenadash.com/data/stablecoinx-perpetuals/",
  "definition": "Lighter market 229 is the STABLECOINX perpetual. Open interest in dollars equals outstanding contracts times mark price. Funding is the settled hourly rate in percentage points; positive means longs pay shorts.",
  "limitations": "Mark price, last trade and the stock close are different observations. This perpetual does not create company shares. Funding is not an annualized yield or a directional forecast. Trade prices and funding history can update independently; missing values are unavailable, not zero. Recent history is a rolling window, not a complete archive.",
  "sourceUpdatedAt": "2026-10-14T10:52:40.191Z",
  "observedThrough": "2026-10-14T10:52:40.191Z",
  "stale": false,
  "available": true,
  "columns": [
    {
      "key": "time",
      "label": "Observation (UTC)"
    },
    {
      "key": "trade_close_usd",
      "label": "Hourly trade close (USD)"
    },
    {
      "key": "funding_rate_pct",
      "label": "Settled funding (%)"
    }
  ],
  "rows": [
    {
      "time": "2026-10-07T11:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": 0.0004
    },
    {
      "time": "2026-10-07T12:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": -0.0355
    },
    {
      "time": "2026-10-07T13:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": -0.1229
    },
    {
      "time": "2026-10-07T14:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": -0.1005
    },
    {
      "time": "2026-10-07T15:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": 0.0004
    },
    {
      "time": "2026-10-07T16:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": 0.0004
    },
    {
      "time": "2026-10-07T17:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": -0.0087
    },
    {
      "time": "2026-10-07T18:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": -0.0132
    },
    {
      "time": "2026-10-07T19:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": -0.001
    },
    {
      "time": "2026-10-07T20:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": 0.0004
    },
    {
      "time": "2026-10-07T21:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": 0.0001
    },
    {
      "time": "2026-10-07T22:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": -0.0481
    },
    {
      "time": "2026-10-07T23:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": -0.0009
    },
    {
      "time": "2026-10-08T00:00:00.000Z",
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    },
    {
      "time": "2026-10-08T01:00:00.000Z",
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    },
    {
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    },
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      "time": "2026-10-12T22:00:00.000Z",
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      "time": "2026-10-13T04:00:00.000Z",
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      "time": "2026-10-13T05:00:00.000Z",
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    {
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    {
      "time": "2026-10-14T01:00:00.000Z",
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      "funding_rate_pct": 0.0004
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    {
      "time": "2026-10-14T02:00:00.000Z",
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      "funding_rate_pct": 0.0004
    },
    {
      "time": "2026-10-14T03:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": 0.0004
    },
    {
      "time": "2026-10-14T04:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": 0.0004
    },
    {
      "time": "2026-10-14T05:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": 0.0004
    },
    {
      "time": "2026-10-14T06:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": 0.0004
    },
    {
      "time": "2026-10-14T07:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": 0.0004
    },
    {
      "time": "2026-10-14T08:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": 0.0004
    },
    {
      "time": "2026-10-14T09:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": 0.0085
    },
    {
      "time": "2026-10-14T10:00:00.000Z",
      "trade_close_usd": null,
      "funding_rate_pct": 0.0004
    }
  ],
  "snapshot": {
    "marketId": 229,
    "markPriceUsd": 12.2605,
    "openInterestUsd": 713420.10425,
    "volume24hUsd": 373009.016784,
    "latestFunding": {
      "t": 1791972000000,
      "ratePct": 0.0004
    },
    "historyDelayed": {
      "funding": false,
      "prices": true
    }
  },
  "notes": [
    "Market snapshot: mark $12.26, open interest $713,420, 24h traded notional $373,009.",
    "Latest settled funding: 0.0004% at 2026-10-14 10:00 UTC.",
    "One or more history feeds are delayed. Historical observation timestamps remain unchanged."
  ],
  "sources": [
    {
      "name": "Lighter STABLECOINX market",
      "url": "https://app.lighter.xyz/trade/STABLECOINX"
    },
    {
      "name": "Lighter API documentation",
      "url": "https://apidocs.lighter.xyz/"
    }
  ]
}