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GET
/
api
/
v1
/
oi
/
momentum
OI Momentum
curl --request GET \
  --url https://api.example.com/api/v1/oi/momentum
Computes the rate of change (1st derivative) and acceleration (2nd derivative) of open interest over time. Rapid OI buildup followed by deceleration often precedes liquidation cascades.

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Parameters

ParameterTypeDefaultDescription
symbolstringBTCUSDTTrading pair
hoursnumber6Lookback window in hours (max 168)

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Example Request

curl -X GET "https://krovn.io/api/v1/oi/momentum?symbol=BTCUSDT&hours=6" \
  -H "X-API-Key: your_api_key"

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Example Response

{
  "symbol": "BTCUSDT",
  "data": [
    {
      "timestamp": "2026-03-21T12:05:00.000Z",
      "oi": 18572000000,
      "ratePct": 0.1082,
      "accelerationPct": 0.0000
    },
    {
      "timestamp": "2026-03-21T12:10:00.000Z",
      "oi": 18592000000,
      "ratePct": 0.1077,
      "accelerationPct": -0.0005
    }
  ],
  "dataPoints": 2,
  "current": {
    "timestamp": "2026-03-21T12:10:00.000Z",
    "oi": 18592000000,
    "ratePct": 0.1077,
    "accelerationPct": -0.0005
  },
  "avgRatePct": 0.1080,
  "maxAcceleration": 0.0005,
  "signal": "BUILDING"
}
Signals: RAPID_BUILDUP (rate > 1% and accelerating), RAPID_UNWIND (rate < -1% and decelerating), BUILDING (rate > 0.3%), UNWINDING (rate < -0.3%), STABLE (otherwise).