Funding arb · Price arb /

SPX

all SPX markets

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: SunX against MEXC−0.477%7-day average −0.185% · you buy dearer than you sell

Net, funding: paid 7d − costs−$244as in the Funding arb table

Net, price: spread back to 7d avg − costs−$273as in the Price arb table

costs, in and out, $10k−$2442.438% of the position

Long on MEXC Short on SunX

What this pair did over the last

the charts below follow

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

Price spread, last 3 days (all we have)+0.052%+$5 · spread now −0.477%, 7d avg −0.185%

Together, before fees+0.052%+$5 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: SunX is 0.292% cheaper against MEXC than usual: you would sell low and buy high, −$29 on $10k if it goes back to its 7-day average of −0.185%.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	MEXC SPX_USDT	0.5035	0.0100	pay 0.0050% / 4h	2h 27m	$11.5M	$4.5M	100x
Short	SunX SPX-USDT	0.5011	0.0100	get 0.0050% / 4h	2h 27m	$8K	$1.6M	20x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

SunX 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 SunXbpOrdersPrice spread, now −0.477%Rate

Funding earned: $0
Price spread: −0.477% → −0.185%: −$29.18
Slippage, 4 orders: −$231.77
Fee MEXC: 2 bp × 2 orders: −$4
Fee SunX: 4 bp × 2 orders: −$8
Net: −$272.95
Costs to cover: 2.438%
Break-even: never at this rate

Slippage from MEXC: live order book, 6 min ago; SunX: live order book, 7 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, 6 min ago	1.00 bp	10.4 bp −$10	35.9 bp −$359	183.3 bp −$18.3K	doesn't fit
Sell SunX live order book, 7 min ago	31.95 bp	113.9 bp −$114	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	−0.0414%	1h	0.5020	−0.304%	$232K	$560K	20x	as long as short
Variational Omni SPX	+0.0030%	4h	0.5009	−0.521%	$842K	$1.3M	—	as long as short
Injective SPX/USDC PERP	+0.0033%	1h	0.4979	−1.112%	$9	$4K	5.5x	as long as short
Lighter SPX	+0.0096%	1h	0.5033	−0.032%	$115K	$319K	5x	as long as short
Hyperliquid SPX	+0.0100%	1h	0.5034	−0.024%	$9.9M	$7.2M	5x	as long as short
Aster SPXUSDT	+0.0100%	4h	0.5023	−0.238%	$124K	$97K	10x	as long as short
Binance SPXUSDT	+0.0100%	4h	0.5037	+0.040%	$5.0M	$19.5M	75x	as long as short
Bybit SPXUSDT	+0.0100%	4h	0.5031	−0.079%	$11.6M	$15.4M	50x	as long as short
OKX SPX-USDT-SWAP	+0.0100%	4h	0.5035	0.000%	$979K	$2.6M	20x	as long as short
Gate SPX_USDT	+0.0100%	4h	0.5021	−0.278%	$1.0M	$476K	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_USDTlong	+0.0100%	4h	0.5035	long leg	$11.5M	$4.5M	100x
KuCoin SPXUSDTM	+0.0100%	4h	0.5031	−0.079%	$3.8M	$5.2M	50x	as long as short
Bitget SPXUSDT	+0.0100%	4h	0.5032	−0.060%	$2.6M	$1.4M	50x	as long as short
BingX SPX-USDT	+0.0100%	4h	0.5017	−0.357%	—	$6.9M	—	as long as short
ApeX Omni SPXUSDT	+0.0100%	1h	0.5013	−0.437%	$45K	$248K	25x	as long as short
Orderly PERP_SPX_USDC	+0.0100%	4h	0.5028	−0.139%	$20K	$711	10x	as long as short
SunX SPX-USDTshort	+0.0100%	4h	0.5011	−0.477%	$8K	$1.6M	20x
Extended SPX-USD	+0.0104%	1h	0.5033	−0.031%	$34K	$226K	10x	as long as short
BloFin SPX-USDT	+0.0340%	4h	0.5021	−0.278%	$251K	$911K	75x	as long as short