iShares Russell 2000 ETF (IWM) Funding Rate History
iShares Russell 2000 ETF (IWM) perpetual futures funding ranges from -23.90 bps on BYBIT to 0.50 bps on VEST across 4 reporting venues, a spread of 24.40 bps. The most extreme rate (-261.70% APY annualized) is on BYBIT. Currently funding signs are mixed: 2 positive, 1 negative.
A non-zero funding rate spread between venues is the basis for delta-neutral funding arbitrage: long the cheaper-funding exchange and short the more expensive one to capture the spread without picking a side on IWM price.
IWM Per-Exchange Funding Rates
| Exchange | Current Funding (bps) | Funding APY | 7-Day Avg Funding (bps) | 24h Volume |
|---|---|---|---|---|
| BYBIT | -23.90 bps | -261.70% APY | -9.20 bps | $79.71K |
| VEST | 0.50 bps | 5.47% APY | 0.50 bps | $0 |
| LIGHTER | 0.30 bps | 3.28% APY | 0.30 bps | $63.12K |
| OKX | 0.00 bps | 0.00% APY | 2.20 bps | $43.58K |
Last updated 2026-05-17T12:33:33.684028Z (UTC).
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Related: IWM open interest, IWM volume, IWM perp market data.