Arcus and Binance both quote 17 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 USELESS — long Binance / short Arcus at 109.0% net APR — but the median across all shared markets is 8.1%, 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 2 markets go long on Arcus and 15 on Binance. 13 markets clear 5% net APR, 6 clear 10%.

Arcus pays funding every 1h on 61 markets; Binance pays every 4h on 301 markets and every 8h on 87 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. Arcus quotes 61 perpetual markets in total and Binance quotes 394; the 17 they share are what this page ranks. Across its own book Arcus runs a median funding rate of 4.5% and Binance 3.4%, so the edge here comes from individual markets rather than from a standing gap between the venues.

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.