Funding arb · Price arb /

COST

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Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 06:00 UTC+0.0040%/8h= +4.4% APRpaid last 24h —

Price spread now: Extended against Binance−0.367%7-day average — · you buy dearer than you sell

to open and closeno order booka leg has no order-book sample

Long on Binance Short on Extended

What this pair did over the last

the charts below follow

Funding, last 6 days (all we have)—no history yet

Price spread, last 7 days—no price history on both exchanges yet

Together, before fees—+ Points / potential airdropExtended: Active · farm boardneeds both histories

Funding pays, the price is against you. Extended is 0.367% cheaper against Binance than usual: you would sell low and buy high (spread −0.367% now, against zero (this spread has no 7-day history yet)). If the spread goes back, that is −$37 on $10k: about 31 days of funding at the current rate (+$1 a day).

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	Binance COSTUSDT	901.56	0	get 0.0000% / 8h	2h 45m	$1.1M	$970K	20x
Short	Extended COST-USD	898.25	0.0040	get 0.0005% / 1h	45m 12s	—	—	10x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

Extended against Binance. Falling: the short leg gains. Rising: it loses.

latest

Price spreadloading…

Funding on every exchange

click an exchange to add or hide it

latest

How often the price spread is this wide · share of time at each level, last 7D show

Profit calculator

Position, each leg$Hold fordaysFee BinancebpFee ExtendedbpOrdersPrice spread, now −0.367%Rate

Funding earned: $8.4
Price spread: −0.367% → 0.000%: −$36.73
Slippage, 4 orders: no order book: not counted
Fee Binance: 5 bp × 2 orders: −$10
Fee Extended: 2.5 bp × 2 orders: −$5
Net: −$43.33
Costs to cover: 0.150%
Break-even: 43.1 days

Slippage unknown: Binance: live order book, 2 min ago; Extended: no order-book sample. Net counts fees only.

Cost to enter

taker fee + slippage from the mid, one side; closing costs about the same again

Leg	Half-spread	$10k	$100k	$1M	$5M
Buy Binance live order book, 2 min ago	0.78 bp	12.9 bp −$13	57.5 bp −$575	doesn't fit	doesn't fit
Sell Extended no order-book sample	—	—	—	—	—

Extended: no order-book sample. Either the market is below $100k of open interest and volume (not sampled), or the venue executes at an oracle price and its slippage is not modeled here: see the venue's docs.

COST on 15 venues

lowest funding first. Swap a leg: a good short leg pays more funding and is priced higher.

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
Aster COSTUSDT	0.0000%	8h	901.43	−0.015%	$45K	$178	20x	as long as short
Binance COSTUSDTlong	0.0000%	8h	901.56	long leg	$1.1M	$970K	20x
Bybit COSTUSDT	0.0000%	8h	901.78	+0.024%	$491K	$221K	25x	as long as short
OKX COST-USDT-SWAP	0.0000%	8h	901.64	+0.009%	$442K	$122K	10x	as long as short
Gate COST_USDT	0.0000%	8h	901.30	−0.029%	$522K	$8K	25x	as long as short
Bitget COSTUSDT	0.0000%	8h	900.89	−0.074%	$403K	$77K	25x	as long as short
Variational Omni COST	0.0000%	8h	901.33	−0.025%	$41K	$13K	—	as long as short
SunX COST-USDT	0.0000%	8h	900.10	−0.162%	$1K	$2.9M	10x	as long as short
HTX COST-USDT	0.0000%	8h	901.95	+0.043%	$10K	$42K	10x	as long as short
QFEX COST-USD	+0.0003%	1h	901.31	−0.028%	$1.1M	$2.5M	10x	as long as short

Show all 15 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
Injective COST/USDC PERP	+0.0033%	1h	891.98	−1.063%	$2K	$28K	12x	as long as short
Extended COST-USDshort	+0.0040%	1h	898.25	−0.367%	—	—	10x
Vest COST-USD-PERP	+0.0046%	1h	901.29	−0.030%	—	—	25x	as long as short
tradeXYZ xyz:COST	+0.0050%	1h	900.92	−0.071%	$1.8M	$517K	20x	as long as short
KuCoin COSTUSDTM	+0.0100%	8h	900.30	−0.140%	$47K	$895K	20x	as long as short