Funding arb · Price arb /

COST

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Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 04:00 UTC−0.0021%/8h= −2.4% APRpaid last 24h —

Price spread now: Binance against Extended+0.124%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 5 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 0.124% dearer against Extended than usual: you sell high and buy low (spread +0.124% now, against zero (this spread has no 7-day history yet)): +$12 on $10k if it goes back. Holding the pair costs −$1 a day in funding at the current rate, which eats that in about 19 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	37m 48s	—	—	10x
Short	Binance COSTUSDT	899.36	0.0019	get 0.0019% / 8h	4h 37m	$1.1M	$931K	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 +0.124%Rate

Funding earned: −$4.51
Price spread: +0.124% → 0.000%: $12.36
Slippage, 4 orders: no order book: not counted
Fee Extended: 2.5 bp × 2 orders: −$5
Fee Binance: 5 bp × 2 orders: −$10
Net: −$7.15
Costs to cover: 0.150%
Break-even: never at this rate

Slippage unknown: Extended: no order-book sample; Binance: live order book, 10 min ago. 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, 10 min ago	1.17 bp	13.5 bp −$14	55.5 bp −$555	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	899.08	+0.092%	$45K	$178	20x	as long as short
Bybit COSTUSDT	0.0000%	8h	899.51	+0.140%	$491K	$219K	25x	as long as short
OKX COST-USDT-SWAP	0.0000%	8h	898.81	+0.062%	$447K	$109K	10x	as long as short
Gate COST_USDT	0.0000%	8h	899.41	+0.129%	$521K	$7K	25x	as long as short
Bitget COSTUSDT	0.0000%	8h	899.13	+0.098%	$403K	$77K	25x	as long as short
Variational Omni COST	0.0000%	8h	899.23	+0.109%	$41K	$17K	—	as long as short
SunX COST-USDT	0.0000%	8h	898.80	+0.061%	$1K	$2.9M	10x	as long as short
HTX COST-USDT	0.0000%	8h	901.34	+0.344%	$10K	$42K	10x	as long as short
QFEX COST-USD	+0.0004%	1h	899.33	+0.120%	$1.1M	$2.7M	10x	as long as short
Binance COSTUSDTshort	+0.0019%	8h	899.36	+0.124%	$1.1M	$931K	20x

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	898.75	+0.056%	—	—	25x	as long as short
tradeXYZ xyz:COST	+0.0050%	1h	898.77	+0.058%	$1.8M	$518K	20x	as long as short
KuCoin COSTUSDTM	+0.0100%	8h	898.70	+0.050%	$48K	$878K	20x	as long as short