Funding arb · Price arb /

SPX

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Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 00:00 UTC0.0000%/8h= 0.0% APRnext payment +$0.00 per $10,000 · paid last 24h 0.000%

Price spread now: OKX against Aster−0.099%7-day average −0.156% · you buy dearer than you sell

Net, funding: paid 7d − costs—under 7 days of funding history

Net, price: spread back to 7d avg − costs−$804as in the Price arb table

costs, in and out, $10k−$8108.098% of the position

Long on Aster Short on OKX

What this pair did over the last

the charts below follow

Funding, last 5 days (all we have)−0.001%$0 on $10k

Price spread, last 4 days (all we have)−0.031%−$3 · spread now −0.099%, 7d avg −0.156%

Together, before fees−0.032%+ Points / potential airdropAster: Stage 5 · farm board−$3 on $10k · with fees, hour by hour

Funding between these two exchanges is close to zero, so right now this pair is about the price spread alone: OKX is 0.057% dearer against Aster than usual: you sell high and buy low, +$6 on $10k if it goes back to its 7-day average of −0.156%.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	Aster SPXUSDT	0.5033	0.0100	pay 0.0050% / 4h	1h 26m	$127K	$104K	10x
Short	OKX SPX-USDT-SWAP	0.5028	0.0100	get 0.0050% / 4h	1h 26m	$985K	$2.7M	20x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

OKX against Aster. 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 AsterbpFee OKXbpOrdersPrice spread, now −0.099%Rate

Funding earned: $0
Price spread: −0.099% → −0.156%: $5.7
Slippage, 4 orders: −$791.78
Fee Aster: 4 bp × 2 orders: −$8
Fee OKX: 5 bp × 2 orders: −$10
Net: −$804.08
Costs to cover: 8.098%
Break-even: never at this rate

Slippage from Aster: live order book, 54 min ago; OKX: live order book, 5 min ago.

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 Aster live order book, 54 min ago	15.86 bp	711.2 bp −$711	doesn't fit	doesn't fit	doesn't fit
Sell OKX live order book, 5 min ago	2.98 bp	35.2 bp −$35	doesn't fit	doesn't fit	doesn't fit

SPX on 19 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
Kraken Futures PF_SPXUSD	−0.1245%	1h	0.5035	+0.049%	$233K	$552K	20x	as long as short
Injective SPX/USDC PERP	+0.0033%	1h	0.4979	−1.073%	$9	$4K	5.5x	as long as short
Variational Omni SPX	+0.0048%	4h	0.5031	−0.032%	$850K	$1.3M	—	as long as short
Lighter SPX	+0.0096%	1h	0.5037	+0.072%	$116K	$319K	5x	as long as short
Hyperliquid SPX	+0.0100%	1h	0.5037	+0.077%	$9.8M	$7.3M	5x	as long as short
Aster SPXUSDTlong	+0.0100%	4h	0.5033	long leg	$127K	$104K	10x
Binance SPXUSDT	+0.0100%	4h	0.5034	+0.016%	$5.1M	$20.0M	75x	as long as short
Bybit SPXUSDT	+0.0100%	4h	0.5028	−0.099%	$11.7M	$15.5M	50x	as long as short
OKX SPX-USDT-SWAPshort	+0.0100%	4h	0.5028	−0.099%	$985K	$2.7M	20x
Gate SPX_USDT	+0.0100%	4h	0.5030	−0.060%	$1.0M	$477K	50x	as long as short

Show all 19 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
MEXC SPX_USDT	+0.0100%	4h	0.5031	−0.040%	$11.3M	$4.6M	100x	as long as short
KuCoin SPXUSDTM	+0.0100%	4h	0.5030	−0.060%	$3.8M	$5.2M	50x	as long as short
Bitget SPXUSDT	+0.0100%	4h	0.5036	+0.060%	$2.6M	$1.4M	50x	as long as short
BingX SPX-USDT	+0.0100%	4h	0.5028	−0.099%	—	$6.9M	—	as long as short
ApeX Omni SPXUSDT	+0.0100%	1h	0.5035	+0.040%	$45K	$248K	25x	as long as short
Orderly PERP_SPX_USDC	+0.0100%	4h	0.5043	+0.199%	$20K	$711	10x	as long as short
SunX SPX-USDT	+0.0100%	4h	0.5030	−0.060%	$8K	$1.6M	20x	as long as short
Extended SPX-USD	+0.0104%	1h	0.5029	−0.077%	$34K	$228K	10x	as long as short
BloFin SPX-USDT	+0.0340%	4h	0.5049	+0.318%	$258K	$953K	75x	as long as short