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: Extended against HTX−0.737%7-day average — · you buy dearer than you sell

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

Long on HTX 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

Funding pays, the price is against you. Extended is 0.737% cheaper against HTX than usual: you would sell low and buy high (spread −0.737% now, against zero (this spread has no 7-day history yet)). If the spread goes back, that is −$74 on $10k: about 2 months of funding at the current rate (+$1 a day).

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	HTX COST-USDT	904.92	0	get 0.0000% / 8h	1h 31m	$10K	$42K	10x
Short	Extended COST-USD	898.25	0.0040	get 0.0005% / 1h	31m 05s	—	—	10x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

Extended against HTX. 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 HTXbpFee ExtendedbpOrdersPrice spread, now −0.737%Rate

Funding earned: $8.4
Price spread: −0.737% → 0.000%: −$73.71
Slippage, 4 orders: no order book: not counted
Fee HTX: 6 bp × 2 orders: −$12
Fee Extended: 2.5 bp × 2 orders: −$5
Net: −$82.31
Costs to cover: 0.170%
Break-even: 75.6 days

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

HTX and 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	902.99	−0.214%	$45K	$178	20x	as long as short
Binance COSTUSDT	0.0000%	8h	902.81	−0.233%	$1.1M	$1.0M	20x	as long as short
Bybit COSTUSDT	0.0000%	8h	902.90	−0.223%	$491K	$218K	25x	as long as short
OKX COST-USDT-SWAP	0.0000%	8h	902.52	−0.265%	$442K	$123K	10x	as long as short
Gate COST_USDT	0.0000%	8h	902.54	−0.263%	$522K	$8K	25x	as long as short
Bitget COSTUSDT	0.0000%	8h	902.41	−0.277%	$401K	$83K	25x	as long as short
Variational Omni COST	0.0000%	8h	902.65	−0.251%	$41K	$13K	—	as long as short
SunX COST-USDT	0.0000%	8h	902.00	−0.323%	$1K	$2.9M	10x	as long as short
HTX COST-USDTlong	0.0000%	8h	904.92	long leg	$10K	$42K	10x
QFEX COST-USD	0.0000%	1h	902.65	−0.251%	$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	−1.430%	$2K	$28K	12x	as long as short
Extended COST-USDshort	+0.0040%	1h	898.25	−0.737%	—	—	10x
Vest COST-USD-PERP	+0.0046%	1h	902.53	−0.264%	—	—	25x	as long as short
tradeXYZ xyz:COST	+0.0050%	1h	902.24	−0.296%	$1.8M	$519K	20x	as long as short
KuCoin COSTUSDTM	+0.0100%	8h	902.10	−0.312%	$48K	$902K	20x	as long as short