US100 Open Interest
US100 perpetual futures open interest totals $6.79M across 4 venues. Open interest is highly concentrated — ONDO holds 71.6% ($4.86M), with LIGHTER at 19.9% and QFEX at 8.5%.
US100 Per-Exchange Open Interest
| Exchange | Open Interest (USD) | OI Share | 24h OI Change | OI / Volume Ratio |
|---|---|---|---|---|
| ONDO | $4.86M | 71.6% | n/a | n/a |
| LIGHTER | $1.35M | 19.9% | n/a | n/a |
| QFEX | $577.76K | 8.5% | n/a | n/a |
Last updated 2026-07-27T15:18:54Z (UTC).
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Related: US100 funding rate, US100 volume, US100 perp market data.