Funding arb · Price arb /

COST

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Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 07:00 UTC−0.0040%/8h= −4.4% APRpaid last 24h —

Price spread now: HTX against Extended+0.661%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 HTX

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

The price spread pays, funding is against you. HTX is 0.661% dearer against Extended than usual: you sell high and buy low (spread +0.661% now, against zero (this spread has no 7-day history yet)): +$66 on $10k if it goes back. Holding the pair costs −$1 a day in funding at the current rate, which eats that in about 55 days.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	Extended COST-USD	898.25	0.0040	pay 0.0005% / 1h	23m 32s	—	—	10x
Short	HTX COST-USDT	904.19	0	get 0.0000% / 8h	1h 23m	$10K	$42K	10x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

HTX 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 HTXbpOrdersPrice spread, now +0.661%Rate

Funding earned: −$8.4
Price spread: +0.661% → 0.000%: $66.13
Slippage, 4 orders: no order book: not counted
Fee Extended: 2.5 bp × 2 orders: −$5
Fee HTX: 6 bp × 2 orders: −$12
Net: $40.73
Costs to cover: 0.170%
Break-even: from the start

Slippage unknown: Extended: no order-book sample; HTX: 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 HTX no order-book sample	—	—	—	—	—

Extended and HTX: 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	903.06	+0.535%	$45K	$178	20x	as long as short
Binance COSTUSDT	0.0000%	8h	902.76	+0.502%	$1.1M	$1.0M	20x	as long as short
Bybit COSTUSDT	0.0000%	8h	903.01	+0.530%	$491K	$218K	25x	as long as short
OKX COST-USDT-SWAP	0.0000%	8h	903.17	+0.548%	$443K	$123K	10x	as long as short
Gate COST_USDT	0.0000%	8h	902.54	+0.478%	$522K	$8K	25x	as long as short
Bitget COSTUSDT	0.0000%	8h	902.41	+0.463%	$401K	$83K	25x	as long as short
Variational Omni COST	0.0000%	8h	902.65	+0.490%	$41K	$13K	—	as long as short
SunX COST-USDT	0.0000%	8h	902.00	+0.417%	$2K	$2.9M	10x	as long as short
HTX COST-USDTshort	0.0000%	8h	904.19	+0.661%	$10K	$42K	10x
QFEX COST-USD	0.0000%	1h	902.52	+0.475%	$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	−0.698%	$2K	$28K	12x	as long as short
Extended COST-USDlong	+0.0040%	1h	898.25	long leg	—	—	10x
Vest COST-USD-PERP	+0.0046%	1h	902.54	+0.478%	—	—	25x	as long as short
tradeXYZ xyz:COST	+0.0050%	1h	902.38	+0.460%	$1.8M	$519K	20x	as long as short
KuCoin COSTUSDTM	+0.0100%	8h	902.00	+0.417%	$48K	$903K	20x	as long as short