{
  "x402Version": 2,
  "id": 26721,
  "slug": "26721",
  "resource": "https://kronossignals.com/api/v1/implied-prob/btc",
  "description": "Options-implied probability that BTC or ETH is above each given price at a target time, from the Deribit option book (skew-inclusive call-spread digitals): the options market's fair value for Kalshi/Polymarket crypto threshold contracts, not a forecast. Query: strikes=85000,90000 (up to 25), at=ISO time or Unix. $0.02 USDC via x402.",
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      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "20000",
      "amountUsd": 0.02,
      "maxTimeoutSeconds": 300
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            "expiries_used": [
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                "expires_at": "2026-01-02T08:00:00.000Z",
                "expiry": "2JAN26",
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            "forward_at_target": 60214.8,
            "hours_to_target": 17.3,
            "index_price": 60210.5,
            "ladder": [
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                "extrapolated": false,
                "iv_at_strike_pct": 47.1,
                "probability_above": 0.7412,
                "probability_below": 0.2588,
                "strike": 59000
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                "extrapolated": false,
                "iv_at_strike_pct": 44.8,
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                "extrapolated": false,
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    "polymarket",
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  "sourceHost": "kronossignals.com",
  "lastUpdated": "2026-09-23T23:09:11.921Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-09-23T23:09:11.675Z"
  },
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                  "strike": 61000
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  "liveness": {
    "reliability": null
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  "featured": false,
  "provider": {
    "host": "kronossignals.com",
    "manifest_name": "kronossignals.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-14T01:15:01.050Z"
  },
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