Funding arb · Price arb /

SPX

all SPX markets

Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 04:00 UTC0.0000%/8h= 0.0% APRnext payment +$0.00 per $10,000 · paid last 24h 0.000%

Price spread now: OKX against MEXC−0.020%7-day average −0.086% · you buy dearer than you sell

Net, funding: paid 7d − costs−$77as in the Funding arb table

Net, price: spread back to 7d avg − costs−$70as in the Price arb table

costs, in and out, $10k−$770.771% of the position

Long on MEXC Short on OKX

What this pair did over the last

the charts below follow

Funding, last 7 days0.000%$0 on $10k

Price spread, last 7 days−0.031%−$3 · spread now −0.020%, 7d avg −0.086%

Together, before fees−0.031%−$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 0.067% dearer against MEXC than usual: you sell high and buy low, +$7 on $10k if it goes back to its 7-day average of −0.086%.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	MEXC SPX_USDT	0.5046	0.0100	pay 0.0050% / 4h	25m 31s	$11.8M	$4.9M	100x
Short	OKX SPX-USDT-SWAP	0.5045	0.0100	get 0.0050% / 4h	25m 31s	$936K	$2.9M	20x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

OKX against MEXC. 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 MEXCbpFee OKXbpOrdersPrice spread, now −0.020%Rate

Funding earned: $0
Price spread: −0.020% → −0.086%: $6.66
Slippage, 4 orders: −$63.09
Fee MEXC: 2 bp × 2 orders: −$4
Fee OKX: 5 bp × 2 orders: −$10
Net: −$70.43
Costs to cover: 0.771%
Break-even: never at this rate

Slippage from MEXC: live order book, 3 min ago; OKX: live order book, 2 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 MEXC live order book, 3 min ago	0.99 bp	3.0 bp −$3	25.3 bp −$253	128.0 bp −$12.8K	doesn't fit
Sell OKX live order book, 2 min ago	3.97 bp	36.6 bp −$37	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
Injective SPX/USDC PERP	+0.0033%	1h	0.4979	−1.328%	$9	$4K	5.5x	as long as short
Lighter SPX	+0.0096%	1h	0.5038	−0.151%	$135K	$357K	5x	as long as short
Hyperliquid SPX	+0.0100%	1h	0.5051	+0.105%	$10.3M	$7.5M	5x	as long as short
Binance SPXUSDT	+0.0100%	4h	0.5040	−0.124%	$5.0M	$21.4M	75x	as long as short
Bybit SPXUSDT	+0.0100%	4h	0.5038	−0.159%	$11.4M	$16.4M	50x	as long as short
OKX SPX-USDT-SWAPshort	+0.0100%	4h	0.5045	−0.020%	$936K	$2.9M	20x
Gate SPX_USDT	+0.0100%	4h	0.5037	−0.178%	$1.0M	$563K	50x	as long as short
MEXC SPX_USDTlong	+0.0100%	4h	0.5046	long leg	$11.8M	$4.9M	100x
KuCoin SPXUSDTM	+0.0100%	4h	0.5044	−0.040%	$3.7M	$5.2M	50x	as long as short
Bitget SPXUSDT	+0.0100%	4h	0.5041	−0.099%	$2.6M	$1.4M	50x	as long as short

Show all 19 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
BingX SPX-USDT	+0.0100%	4h	0.5030	−0.317%	—	$6.9M	—	as long as short
Variational Omni SPX	+0.0100%	4h	0.5028	−0.365%	$846K	$1.4M	—	as long as short
ApeX Omni SPXUSDT	+0.0100%	1h	0.5038	−0.159%	$25K	$254K	25x	as long as short
SunX SPX-USDT	+0.0100%	4h	0.5022	−0.476%	$8K	$1.7M	20x	as long as short
Extended SPX-USD	+0.0104%	1h	0.5045	−0.017%	$33K	$245K	10x	as long as short
Orderly PERP_SPX_USDC	+0.0169%	4h	0.5040	−0.119%	$20K	$599	10x	as long as short
Aster SPXUSDT	+0.0173%	4h	0.5035	−0.221%	$134K	$122K	10x	as long as short
BloFin SPX-USDT	+0.0340%	4h	0.5042	−0.079%	$248K	$1.0M	75x	as long as short
Kraken Futures PF_SPXUSD	+0.1280%	1h	0.5042	−0.082%	$246K	$550K	20x	as long as short