OKX BTC Options Market Data
OKX BTC options market snapshot: 712 active instruments across 12 expiries with $2.28B total notional open interest and $371.79M in 24-hour notional volume. Underlying spot: $64,257.36.
BTC Options — Top Expiries by Open Interest (OKX)
| Rank | Expiry | Notional OI (USD) | 24h Notional Volume (USD) | Contract OI | ATM IV |
|---|---|---|---|---|---|
| 1 | 2026-07-31 | $605.17M | $25.34M | 9,417.89 | 3300.24% |
| 2 | 2026-09-25 | $438.90M | $12.72M | 6,794.17 | 3660.97% |
| 3 | 2027-03-26 | $283.47M | $901.99K | 4,305.57 | 4271.98% |
| 4 | 2026-12-25 | $276.89M | $3.85M | 4,245.47 | 4109.07% |
| 5 | 2026-08-28 | $204.81M | $6.07M | 3,181.32 | 3519.41% |
| 6 | 2026-07-17 | $149.23M | $54.44M | 2,325.57 | 3054.04% |
| 7 | 2026-07-11 | $138.53M | $124.87M | 2,158.86 | 1421.87% |
| 8 | 2026-07-12 | $72.98M | $79.83M | 1,137.66 | 1444.19% |
Aggregate contract open interest: 35,234.99 contracts. Aggregate 24-hour contract volume: 5,790.45 contracts.
BTC Options·
OKX
Volatility Curves
IV by strike — merged call/put per expiry
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Term Structure
ATM IV across expiries
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Volatility Surface
IV across strikes and expiries
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ATM Constant Maturities
ATM IV over time by DTE bucket
Volatility Metrics
0 expiries