SUsugra
Crypto

Perpetual mark price and index price for a crypto asset

Changed on

Mark price of the asset's perpetual futures (the price positions are valued and liquidated at), weighted by open interest across venues, beside the spot index price and the premium of mark over index. Refreshes every 2 minutes.

get/api/v1/crypto/derivatives/{asset}/mark-price

Request

  • Base URL
    https://sugra.ai
  • URL
    https://sugra.ai/api/v1/crypto/derivatives/{asset}/mark-price
  • Auth
    API key in header x-api-key

Path parameters

assetstring required

Asset symbol or coin slug: btc, eth, sol, xrp, doge (or bitcoin, ethereum, solana, ripple, dogecoin).

Example:btc

Response

Open-interest-weighted mark price, median index price and the premium in basis points.

Example response

{
  "meta": {
    "endpoint": "/api/v1/fred/us/cpi",
    "data_time": "2026-04-16T14:30:00Z",
    "response_time": "2026-04-16T14:30:12Z",
    "provider": "Sugra API v1.0.1",
    "data_age_days": 8.532,
    "source": "sugra_crypto",
    "attribution": "Short interest and Reg SHO daily short volume data is owned by and sourced from FINRA (Financial Industry Regulatory Authority).",
    "fallback_chain": [
      "sugra_crypto",
      "sugra_finance"
    ],
    "stale_since": "2026-09-08T12:00:00Z",
    "period": "2026-Q1",
    "notes": "the UKMTO report behind these counts is dated 2026-08-21 and is 11 days old"
  }
}

Changes