Funding arb · Price arb /

SPX

all SPX markets

Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 08:00 UTC0.0000%/8h= 0.0% APRnext payment +$0.00 per $10,000 · paid last 24h 0.000%

Price spread now: MEXC against OKX+0.058%7-day average +0.085% · you sell dearer than you buy

Net, funding: paid 7d − costs−$93as in the Funding arb table

Net, price: spread back to 7d avg − costs−$96as in the Price arb table

costs, in and out, $10k−$930.930% of the position

Long on OKX Short on MEXC

What this pair did over the last

the charts below follow

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

Price spread, last 7 days−0.014%−$1 · spread now +0.058%, 7d avg +0.085%

Together, before fees−0.014%−$1 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: MEXC is 0.027% cheaper against OKX than usual: you would sell low and buy high, −$3 on $10k if it goes back to its 7-day average of +0.085%.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	OKX SPX-USDT-SWAP	0.5146	0.0100	pay 0.0050% / 4h	1h 27m	$975K	$3.4M	20x
Short	MEXC SPX_USDT	0.5149	0.0100	get 0.0050% / 4h	1h 27m	$11.9M	$5.3M	100x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

MEXC against OKX. 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 OKXbpFee MEXCbpOrdersPrice spread, now +0.058%Rate

Funding earned: $0
Price spread: +0.058% → +0.085%: −$2.68
Slippage, 4 orders: −$78.99
Fee OKX: 5 bp × 2 orders: −$10
Fee MEXC: 2 bp × 2 orders: −$4
Net: −$95.67
Costs to cover: 0.930%
Break-even: never at this rate

Slippage from OKX: live order book, 5 min ago; MEXC: live order book, 6 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 OKX live order book, 5 min ago	4.87 bp	37.8 bp −$38	doesn't fit	doesn't fit	doesn't fit
Sell MEXC live order book, 6 min ago	0.97 bp	8.1 bp −$8	26.3 bp −$263	152.5 bp −$15.2K	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	−3.245%	$9	$4K	5.5x	as long as short
Lighter SPX	+0.0096%	1h	0.5149	+0.051%	$140K	$405K	5x	as long as short
Hyperliquid SPX	+0.0100%	1h	0.5156	+0.198%	$10.4M	$8.3M	5x	as long as short
Aster SPXUSDT	+0.0100%	4h	0.5148	+0.037%	$137K	$93K	10x	as long as short
Binance SPXUSDT	+0.0100%	4h	0.5153	+0.132%	$5.2M	$23.7M	75x	as long as short
Bybit SPXUSDT	+0.0100%	4h	0.5142	−0.078%	$11.8M	$17.6M	50x	as long as short
OKX SPX-USDT-SWAPlong	+0.0100%	4h	0.5146	long leg	$975K	$3.4M	20x
Gate SPX_USDT	+0.0100%	4h	0.5140	−0.117%	$1.0M	$644K	50x	as long as short
MEXC SPX_USDTshort	+0.0100%	4h	0.5149	+0.058%	$11.9M	$5.3M	100x
KuCoin SPXUSDTM	+0.0100%	4h	0.5143	−0.058%	$3.7M	$5.4M	50x	as long as short

Show all 19 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
Bitget SPXUSDT	+0.0100%	4h	0.5152	+0.117%	$2.6M	$1.5M	50x	as long as short
BingX SPX-USDT	+0.0100%	4h	0.5150	+0.078%	—	$6.9M	—	as long as short
Variational Omni SPX	+0.0100%	4h	0.5138	−0.154%	$956K	$1.5M	—	as long as short
ApeX Omni SPXUSDT	+0.0100%	1h	0.5148	+0.039%	$26K	$254K	25x	as long as short
SunX SPX-USDT	+0.0100%	4h	0.5144	−0.039%	$8K	$1.8M	20x	as long as short
Extended SPX-USD	+0.0104%	1h	0.5149	+0.064%	$34K	$239K	10x	as long as short
Orderly PERP_SPX_USDC	+0.0178%	4h	0.5158	+0.233%	$20K	$599	10x	as long as short
BloFin SPX-USDT	+0.0340%	4h	0.5143	−0.058%	$258K	$1.0M	75x	as long as short
Kraken Futures PF_SPXUSD	+0.1603%	1h	0.5168	+0.424%	$255K	$553K	20x	as long as short