S&P 500 Index (SP500) Open Interest
S&P 500 Index (SP500) perpetual futures open interest totals $667.22M across 17 venues. Open interest is highly concentrated — TRADEXYZ holds 81.4% ($542.79M), with MEXC at 11.2% and VARIATIONAL at 3.4%.
SP500 Per-Exchange Open Interest
| Exchange | Open Interest (USD) | OI Share | 24h OI Change | OI / Volume Ratio |
|---|---|---|---|---|
| TRADEXYZ | $542.79M | 81.4% | n/a | n/a |
| MEXC | $74.58M | 11.2% | n/a | n/a |
| VARIATIONAL | $22.76M | 3.4% | n/a | n/a |
| QFEX | $5.52M | 0.8% | n/a | n/a |
| BITGET | $5.44M | 0.8% | n/a | n/a |
| OSTIUM | $4.72M | 0.7% | n/a | n/a |
| EXTENDED | $3.06M | 0.5% | n/a | n/a |
| LIGHTER | $2.44M | 0.4% | n/a | n/a |
| GATEIO | $2.21M | 0.3% | n/a | n/a |
| VEST | $1.19M | 0.2% | n/a | n/a |
| PHEMEX | $882.88K | 0.1% | n/a | n/a |
| PACIFICA | $454.25K | 0.1% | n/a | n/a |
| HOTSTUFF | $450.49K | 0.1% | n/a | n/a |
| HUOBI | $370.70K | 0.1% | n/a | n/a |
| WOOFIPRO | $349.22K | 0.1% | n/a | n/a |
Last updated 2026-07-17T00:24:58Z (UTC).
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Related: SP500 funding rate, SP500 volume, SP500 perp market data.