Funding arb · Price arb /

COST

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Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 09:00 UTC+0.0040%/8h= +4.4% APRpaid last 24h —

Price spread now: Extended against SunX−0.103%7-day average — · you buy dearer than you sell

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

Long on SunX 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

Funding pays, the price is against you. Extended is 0.103% cheaper against SunX than usual: you would sell low and buy high (spread −0.103% now, against zero (this spread has no 7-day history yet)). If the spread goes back, that is −$10 on $10k: about 8.6 days of funding at the current rate (+$1 a day).

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	SunX COST-USDT	903.10	0	get 0.0000% / 8h	7h 02m	$2K	$2.7M	10x
Short	Extended COST-USD	902.17	0.0040	get 0.0005% / 1h	2m 40s	—	—	10x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

Extended against SunX. 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 SunXbpFee ExtendedbpOrdersPrice spread, now −0.103%Rate

Funding earned: $8.4
Price spread: −0.103% → 0.000%: −$10.33
Slippage, 4 orders: no order book: not counted
Fee SunX: 4 bp × 2 orders: −$8
Fee Extended: 2.5 bp × 2 orders: −$5
Net: −$14.93
Costs to cover: 0.130%
Break-even: 19.4 days

Slippage unknown: SunX: 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 SunX live order book, 5 min ago	500.30 bp	doesn't fit	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	903.24	+0.015%	$45K	$133	20x	as long as short
Binance COSTUSDT	0.0000%	8h	903.74	+0.071%	$1.1M	$988K	20x	as long as short
Bybit COSTUSDT	0.0000%	8h	903.14	+0.004%	$491K	$93K	25x	as long as short
OKX COST-USDT-SWAP	0.0000%	8h	903.59	+0.054%	$441K	$120K	10x	as long as short
Gate COST_USDT	0.0000%	8h	903.51	+0.045%	$523K	$9K	25x	as long as short
Bitget COSTUSDT	0.0000%	8h	903.29	+0.021%	$411K	$81K	25x	as long as short
Variational Omni COST	0.0000%	8h	903.55	+0.049%	$40K	$14K	—	as long as short
SunX COST-USDTlong	0.0000%	8h	903.10	long leg	$2K	$2.7M	10x
HTX COST-USDT	0.0000%	8h	904.80	+0.188%	$10K	$42K	10x	as long as short
Injective COST/USDC PERP	+0.0033%	1h	891.98	−1.231%	$2K	$28K	12x	as long as short

Show all 15 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
Extended COST-USDshort	+0.0040%	1h	902.17	−0.103%	—	—	10x
Vest COST-USD-PERP	+0.0046%	1h	902.76	−0.038%	—	—	25x	as long as short
QFEX COST-USD	+0.0046%	1h	903.60	+0.055%	$1.1M	$2.4M	10x	as long as short
KuCoin COSTUSDTM	+0.0100%	8h	902.30	−0.089%	$48K	$961K	20x	as long as short
tradeXYZ xyz:COST	+0.0133%	1h	902.89	−0.023%	$1.8M	$509K	20x	as long as short