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: Binance against Extended+0.346%7-day average — · you sell dearer than you buy

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

Long on Extended Short on Binance

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

The price spread pays, funding is against you. Binance is 0.346% dearer against Extended than usual: you sell high and buy low (spread +0.346% now, against zero (this spread has no 7-day history yet)): +$35 on $10k if it goes back. Holding the pair costs −$1 a day in funding at the current rate, which eats that in about 29 days.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	Extended COST-USD	898.25	0.0040	pay 0.0005% / 1h	47m 07s	—	—	10x
Short	Binance COSTUSDT	901.36	0	get 0.0000% / 8h	2h 47m	$1.1M	$969K	20x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

Binance against Extended. 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 ExtendedbpFee BinancebpOrdersPrice spread, now +0.346%Rate

Funding earned: −$8.4
Price spread: +0.346% → 0.000%: $34.62
Slippage, 4 orders: no order book: not counted
Fee Extended: 2.5 bp × 2 orders: −$5
Fee Binance: 5 bp × 2 orders: −$10
Net: $11.22
Costs to cover: 0.150%
Break-even: from the start

Slippage unknown: Extended: no order-book sample; Binance: live order book, just now. 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 Extended no order-book sample	—	—	—	—	—
Sell Binance live order book, just now	0.78 bp	18.2 bp −$18	53.6 bp −$536	doesn't fit	doesn't fit

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	901.30	+0.339%	$45K	$178	20x	as long as short
Binance COSTUSDTshort	0.0000%	8h	901.36	+0.346%	$1.1M	$969K	20x
Bybit COSTUSDT	0.0000%	8h	901.47	+0.358%	$490K	$221K	25x	as long as short
OKX COST-USDT-SWAP	0.0000%	8h	902.16	+0.435%	$442K	$122K	10x	as long as short
Gate COST_USDT	0.0000%	8h	901.31	+0.341%	$522K	$8K	25x	as long as short
Bitget COSTUSDT	0.0000%	8h	900.89	+0.294%	$403K	$77K	25x	as long as short
Variational Omni COST	0.0000%	8h	901.21	+0.329%	$41K	$13K	—	as long as short
SunX COST-USDT	0.0000%	8h	900.00	+0.195%	$1K	$2.9M	10x	as long as short
HTX COST-USDT	0.0000%	8h	901.95	+0.412%	$10K	$42K	10x	as long as short
QFEX COST-USD	+0.0003%	1h	901.23	+0.332%	$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	−0.698%	$2K	$28K	12x	as long as short
Extended COST-USDlong	+0.0040%	1h	898.25	long leg	—	—	10x
Vest COST-USD-PERP	+0.0046%	1h	901.28	+0.337%	—	—	25x	as long as short
tradeXYZ xyz:COST	+0.0050%	1h	900.90	+0.295%	$1.8M	$517K	20x	as long as short
KuCoin COSTUSDTM	+0.0100%	8h	900.20	+0.217%	$47K	$894K	20x	as long as short