Aster vs Bybit Funding Arbitrage
95 shared markets · net of estimated fees · updated every few minutesAster and Bybit both quote 95 of the same perpetual markets, so a delta-neutral position can be split across the two and collect the difference in their funding. The widest spread on a market with real depth is BTW — long Aster / short Bybit at 151.8% net APR — but the median across all shared markets is 20.1%, which is the number worth planning around.
The long leg is whichever venue prices funding lower for that market. It is a property of the MARKET, not of the exchange, and it flips as rates move: here 35 markets go long on Aster and 60 on Bybit. 80 markets clear 5% net APR, 66 clear 10%.
How this pair behaves
Aster pays funding every 4h on 136 markets and every 8h on 95 markets; Bybit pays every 8h on 245 markets and every 4h on 198 markets. The two clocks differ, so one leg settles while the other is still accruing: a position held for only a few hours can pay one side without ever collecting from the other. Aster quotes 242 perpetual markets in total and Bybit quotes 445; the 95 they share are what this page ranks. Across its own book Aster runs a median funding rate of 10.9% and Bybit 10.9%, so the edge here comes from individual markets rather than from a standing gap between the venues.
Spreads by market
top 25 of 95 by net APR| Market | Long | Short | Net APR | Gross | 7d avg | Thin leg vol |
|---|---|---|---|---|---|---|
| ERA | Aster | Bybit | 427.3% | 432.0% | +69.5% | $290K |
| BMT | Bybit | Aster | 394.7% | 399.4% | +26.2% | $211K |
| CASHCAT | Bybit | Aster | 196.0% | 200.3% | +1.6% | $438K |
| KORU | Bybit | Aster | 163.2% | 167.4% | -0.6% | $371K |
| BTW | Aster | Bybit | 151.8% | 155.9% | +22.0% | $1.3M |
| STXX | Bybit | Aster | 140.9% | 156.2% | +32.0% | $11K |
| MUU | Bybit | Aster | 119.3% | 123.8% | +0.1% | $157K |
| DOOD | Bybit | Aster | 92.2% | 95.6% | +10.3% | $8.1M |
| QNTX | Bybit | Aster | 90.4% | 101.3% | -10.9% | $13K |
| ANIME | Bybit | Aster | 88.7% | 93.0% | -3.4% | $11K |
| ARC | Aster | Bybit | 81.7% | 90.4% | +6.7% | $22K |
| UNITREE | Aster | Bybit | 80.5% | 83.5% | -22.9% | $560K |
| C | Bybit | Aster | 74.3% | 81.6% | +1.6% | $14K |
| AVA | Aster | Bybit | 65.3% | 69.0% | -12.7% | $292K |
| LSK | Aster | Bybit | 58.6% | 62.2% | +6.1% | $67K |
| TRIA | Bybit | Aster | 55.0% | 59.1% | +11.6% | $64K |
| RSR | Bybit | Aster | 53.4% | 57.5% | -3.6% | $19K |
| MYX | Aster | Bybit | 50.1% | 54.3% | +3.6% | $14K |
| DNA | Bybit | Aster | 50.1% | 56.3% | +41.9% | $341K |
| MAGMA | Bybit | Aster | 47.4% | 51.4% | +27.2% | $76K |
| DRV | Bybit | Aster | 46.9% | 58.0% | +120.7% | $75K |
| LA | Aster | Bybit | 45.4% | 49.4% | +6.7% | $20K |
| SKHY | Bybit | Aster | 44.6% | 47.2% | -8.0% | $520K |
| XDP | Aster | Bybit | 42.5% | 46.6% | +24.4% | $11K |
| AERO | Bybit | Aster | 38.3% | 43.3% | +7.9% | $171K |
Net APR subtracts entry and exit fees, both legs' bid/ask spread and estimated slippage from the gross funding spread. The 7-day average is historical gross funding for the same pair: a current rate close to it suggests the spread has persisted, one far above it is usually a spike that will decay.
Aster vs Bybit — FAQ
How many markets can you arbitrage between Aster and Bybit?
95 perpetual markets are quoted on both Aster and Bybit right now. 80 of them show a net spread of at least 5% APR after estimated fees, and 13 have at least $1M of 24h volume on the smaller leg.
What is the best Aster / Bybit funding spread right now?
BTW: long Aster and short Bybit for about 151.8% net APR after estimated fees, counting only markets with at least $1M of 24h volume on the smaller leg. The median across all 95 shared markets is 20.1%, so the top of the list is not typical.
Which side pays on the Aster / Bybit pair?
It varies by market: Aster is the long (funding-receiving) leg in 35 of the shared markets and Bybit in the other 60. The direction is set per market by which venue currently prices funding lower.
Trading the Aster / Bybit spread
The trade is one position split across two venues: long the exchange paying the more negative funding, short the one paying the more positive, in the same size. What limits it is not the headline APR but the smaller leg's liquidity, the fees on both sides, and how long the spread survives — funding decays and flips, often within hours. Venue detail: Aster funding rates · Bybit funding rates; the full calculation is in the methodology.