Funding arb · Price arb /

COST

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Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 23:00 UTC−0.0199%/8h= −21.8% APRpaid last 24h —

Price spread now: Extended against Binance−0.080%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 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

Both sides work against this trade now: funding costs −$6 a day on $10k at the current rate, and Extended is 0.080% cheaper against Binance than usual: you would sell low and buy high (−$8 if the spread goes back to zero (this spread has no 7-day history yet)). Swap the legs.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	Binance COSTUSDT	899.02	0.0239	pay 0.0239% / 8h	1h 23m	$1.1M	$971K	20x
Short	Extended COST-USD	898.30	0.0040	get 0.0005% / 1h	23m 50s	—	—	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 −0.080%Rate

Funding earned: −$41.79
Price spread: −0.080% → 0.000%: −$7.97
Slippage, 4 orders: no order book: not counted
Fee Binance: 5 bp × 2 orders: −$10
Fee Extended: 2.5 bp × 2 orders: −$5
Net: −$64.76
Costs to cover: 0.150%
Break-even: never at this rate

Slippage unknown: Binance: live order book, 9 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, 9 min ago	1.78 bp	14.2 bp −$14	48.9 bp −$489	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	898.26	−0.084%	$45K	$178	20x	as long as short
Bybit COSTUSDT	0.0000%	8h	899.06	+0.004%	$470K	$193K	25x	as long as short
OKX COST-USDT-SWAP	0.0000%	8h	899.64	+0.069%	$437K	$142K	10x	as long as short
Gate COST_USDT	0.0000%	8h	899.23	+0.023%	$523K	$26K	25x	as long as short
Bitget COSTUSDT	0.0000%	8h	898.71	−0.034%	$398K	$125K	25x	as long as short
SunX COST-USDT	0.0000%	8h	898.70	−0.036%	$1K	$3.3M	10x	as long as short
HTX COST-USDT	0.0000%	8h	900.91	+0.210%	$10K	$42K	10x	as long as short
Injective COST/USDC PERP	+0.0033%	1h	891.98	−0.783%	$2K	$28K	12x	as long as short
Extended COST-USDshort	+0.0040%	1h	898.30	−0.080%	—	—	10x
Vest COST-USD-PERP	+0.0046%	1h	898.33	−0.077%	—	—	25x	as long as short

Show all 15 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
QFEX COST-USD	+0.0048%	1h	898.78	−0.027%	$1.1M	$3.0M	10x	as long as short
tradeXYZ xyz:COST	+0.0050%	1h	898.66	−0.040%	$1.8M	$536K	20x	as long as short
Variational Omni COST	+0.0071%	8h	898.74	−0.031%	$42K	$19K	—	as long as short
KuCoin COSTUSDTM	+0.0100%	8h	897.80	−0.136%	$42K	$828K	20x	as long as short
Binance COSTUSDTlong	+0.0239%	8h	899.02	long leg	$1.1M	$971K	20x