Funding arb · Price arb /

COST

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Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 07:00 UTC−0.0060%/8h= −6.6% APRpaid last 24h —

Price spread now: Extended against KuCoin−0.405%7-day average — · you buy dearer than you sell

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

Long on KuCoin 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

Both sides work against this trade now: funding costs −$2 a day on $10k at the current rate, and Extended is 0.405% cheaper against KuCoin than usual: you would sell low and buy high (−$40 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	KuCoin COSTUSDTM	901.90	0.0100	pay 0.0100% / 8h	1h 21m	$47K	$903K	20x
Short	Extended COST-USD	898.25	0.0040	get 0.0005% / 1h	21m 31s	—	—	10x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

Extended against KuCoin. 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 KuCoinbpFee ExtendedbpOrdersPrice spread, now −0.405%Rate

Funding earned: −$12.6
Price spread: −0.405% → 0.000%: −$40.47
Slippage, 4 orders: no order book: not counted
Fee KuCoin: 6 bp × 2 orders: −$12
Fee Extended: 2.5 bp × 2 orders: −$5
Net: −$70.07
Costs to cover: 0.170%
Break-even: never at this rate

Slippage unknown: KuCoin: live order book, 3 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 KuCoin live order book, 3 min ago	19.41 bp	491.6 bp −$492	doesn't fit	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	903.13	+0.136%	$45K	$133	20x	as long as short
Binance COSTUSDT	0.0000%	8h	902.74	+0.093%	$1.1M	$1.0M	20x	as long as short
Bybit COSTUSDT	0.0000%	8h	903.08	+0.131%	$491K	$218K	25x	as long as short
OKX COST-USDT-SWAP	0.0000%	8h	903.17	+0.141%	$443K	$123K	10x	as long as short
Gate COST_USDT	0.0000%	8h	902.54	+0.071%	$522K	$8K	25x	as long as short
Bitget COSTUSDT	0.0000%	8h	902.41	+0.057%	$401K	$82K	25x	as long as short
Variational Omni COST	0.0000%	8h	902.65	+0.083%	$41K	$13K	—	as long as short
SunX COST-USDT	0.0000%	8h	902.20	+0.033%	$2K	$2.9M	10x	as long as short
HTX COST-USDT	0.0000%	8h	904.87	+0.329%	$10K	$42K	10x	as long as short
QFEX COST-USD	0.0000%	1h	902.54	+0.071%	$1.1M	$2.4M	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	−1.100%	$2K	$28K	12x	as long as short
Extended COST-USDshort	+0.0040%	1h	898.25	−0.405%	—	—	10x
Vest COST-USD-PERP	+0.0046%	1h	902.54	+0.071%	—	—	25x	as long as short
tradeXYZ xyz:COST	+0.0050%	1h	902.45	+0.061%	$1.8M	$519K	20x	as long as short
KuCoin COSTUSDTMlong	+0.0100%	8h	901.90	long leg	$47K	$903K	20x