FF funding rate
FF funding is 0.0013% per hour on Aster (10.95% APR) and -0.0033% per hour on Lighter (-28.91% APR). A positive rate means longs pay shorts.
Data as of . Refreshed about every minute.
Current rate by venue
| Venue | Market | Per hour | APR | Per day on $10,000 | Open interest |
|---|---|---|---|---|---|
| Aster | FF | 0.0013% | 10.95% | Long pays $3.00 | – |
| Lighter | FF | -0.0033% | -28.91% | Short pays $7.92 | $26K |
Gap between venues: 0.0046% per hour (39.86% APR), highest on Aster, lowest on Lighter. Before trading costs; see why the net is much smaller.
Method and sources
Rates are per hour: Hyperliquid and Lighter pay hourly; Aster's rate is divided by the market's funding interval (8, 4 or 1 hours). APR = rate per hour × 24 × 365, not compounded. Averages are total funding paid over the period divided by its hours. A positive rate means longs pay shorts. Live rates refresh about every minute, history every 15 minutes.
- Aster: Aster futures API (ticker, premiumIndex, fundingInfo, openInterest)
- Lighter: Lighter API (orderBookDetails, funding-rates)
More: FF perp markets by venue, all funding rates, how hourly funding works
Frequently asked questions
- Do longs or shorts pay FF funding right now?
- On Aster, longs pay shorts 0.0013% per hour (10.95% APR); On Lighter, shorts pay longs 0.0033% per hour (-28.91% APR). These are the latest rates; they change every hour, so the 7- and 30-day averages on this page say more about what a position has paid.
- Which venue has the highest FF funding rate?
- Right now Aster, at 0.0013% per hour, against -0.0033% on Lighter: a gap of 0.0046% per hour (39.86% APR) before trading costs. A gap is not a profit: fees on four trades, price gaps between venues and funding that flips usually eat most of it.
- How often is FF funding paid?
- Lighter pays FF funding every hour. Aster pays every 8, 4 or 1 hours depending on the market; this page divides its rate by that interval so it compares per hour. Funding is charged on the position's value, not on margin.