Funding arb · Price arb /

COST

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Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 11:00 UTC−0.0040%/8h= −4.4% APRpaid last 24h —

Price spread now: Aster against Extended+0.045%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 Aster

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 · Aster: Stage 5 · farm boardneeds both histories

The price spread pays, funding is against you. Aster is 0.045% dearer against Extended than usual: you sell high and buy low (spread +0.045% now, against zero (this spread has no 7-day history yet)): +$4 on $10k if it goes back. Holding the pair costs −$1 a day in funding at the current rate, which eats that in about 3.7 days.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	Extended COST-USD	901.25	0.0040	pay 0.0005% / 1h	47m 50s	—	—	10x
Short	Aster COSTUSDT	901.65	0	get 0.0000% / 8h	5h 47m	$45K	$133	20x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

Aster 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 AsterbpOrdersPrice spread, now +0.045%Rate

Funding earned: −$8.4
Price spread: +0.045% → 0.000%: $4.48
Slippage, 4 orders: no order book: not counted
Fee Extended: 2.5 bp × 2 orders: −$5
Fee Aster: 4 bp × 2 orders: −$8
Net: −$16.92
Costs to cover: 0.130%
Break-even: never at this rate

Slippage unknown: Extended: no order-book sample; Aster: 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 Extended no order-book sample	—	—	—	—	—
Sell Aster no order-book sample	—	—	—	—	—

Extended and Aster: 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 exchanges

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 COSTUSDTshort	0.0000%	8h	901.65	+0.045%	$45K	$133	20x
Binance COSTUSDT	0.0000%	8h	901.89	+0.071%	$1.1M	$1.0M	20x	as long as short
Bybit COSTUSDT	0.0000%	8h	901.55	+0.034%	$563K	$138K	25x	as long as short
OKX COST-USDT-SWAP	0.0000%	8h	902.54	+0.144%	$445K	$125K	10x	as long as short
Gate COST_USDT	0.0000%	8h	901.68	+0.048%	$522K	$8K	25x	as long as short
Bitget COSTUSDT	0.0000%	8h	901.82	+0.064%	$411K	$78K	25x	as long as short
Variational Omni COST	0.0000%	8h	901.37	+0.014%	$40K	$14K	—	as long as short
SunX COST-USDT	0.0000%	8h	900.80	−0.049%	$1K	$2.6M	10x	as long as short
HTX COST-USDT	0.0000%	8h	903.34	+0.232%	$10K	$41K	10x	as long as short
Injective COST/USDC PERP	+0.0033%	1h	891.98	−1.028%	$2K	$28K	12x	as long as short

Show all 15 exchanges

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
Extended COST-USDlong	+0.0040%	1h	901.25	long leg	—	—	10x
Vest COST-USD-PERP	+0.0046%	1h	901.02	−0.025%	—	—	25x	as long as short
tradeXYZ xyz:COST	+0.0050%	1h	901.01	−0.026%	$1.8M	$521K	20x	as long as short
QFEX COST-USD	+0.0064%	1h	901.48	+0.026%	$1.1M	$2.3M	10x	as long as short
KuCoin COSTUSDTM	+0.0100%	8h	901.40	+0.017%	$47K	$1.0M	20x	as long as short