Funding arb · Price arb /

COST

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Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 04:00 UTC−0.0060%/8h= −6.6% APRpaid last 24h —

Price spread now: Extended against KuCoin−0.050%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 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 −$2 a day on $10k at the current rate, and Extended is 0.050% cheaper against KuCoin than usual: you would sell low and buy high (−$5 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	898.70	0.0100	pay 0.0100% / 8h	4h 34m	$47K	$880K	20x
Short	Extended COST-USD	898.25	0.0040	get 0.0005% / 1h	34m 41s	—	—	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 −0.050%Rate

Funding earned: −$12.6
Price spread: −0.050% → 0.000%: −$5.01
Slippage, 4 orders: no order book: not counted
Fee KuCoin: 6 bp × 2 orders: −$12
Fee Extended: 2.5 bp × 2 orders: −$5
Net: −$34.61
Costs to cover: 0.170%
Break-even: never at this rate

Slippage unknown: KuCoin: live order book, 5 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, 5 min ago	16.69 bp	1074.5 bp −$1,075	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	899.02	+0.036%	$45K	$178	20x	as long as short
Bybit COSTUSDT	0.0000%	8h	899.41	+0.079%	$491K	$219K	25x	as long as short
Gate COST_USDT	0.0000%	8h	899.43	+0.081%	$521K	$7K	25x	as long as short
Bitget COSTUSDT	0.0000%	8h	899.10	+0.045%	$403K	$77K	25x	as long as short
Variational Omni COST	0.0000%	8h	899.13	+0.048%	$41K	$17K	—	as long as short
SunX COST-USDT	0.0000%	8h	898.80	+0.011%	$1K	$2.9M	10x	as long as short
HTX COST-USDT	0.0000%	8h	901.43	+0.304%	$10K	$42K	10x	as long as short
OKX COST-USDT-SWAP	+0.0001%	8h	898.81	+0.012%	$447K	$109K	10x	as long as short
QFEX COST-USD	+0.0004%	1h	899.27	+0.063%	$1.1M	$2.7M	10x	as long as short
Binance COSTUSDT	+0.0010%	8h	899.33	+0.070%	$1.1M	$930K	20x	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	−0.748%	$2K	$28K	12x	as long as short
Extended COST-USDshort	+0.0040%	1h	898.25	−0.050%	—	—	10x
Vest COST-USD-PERP	+0.0046%	1h	898.75	+0.006%	—	—	25x	as long as short
tradeXYZ xyz:COST	+0.0050%	1h	898.75	+0.006%	$1.8M	$518K	20x	as long as short
KuCoin COSTUSDTMlong	+0.0100%	8h	898.70	long leg	$47K	$880K	20x