Funding arb · Price arb /

SPX

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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: MEXC against SunX+0.236%7-day average +0.178% · you sell dearer than you buy

Net, funding: paid 7d − costs−$246as in the Funding arb table

Net, price: spread back to 7d avg − costs−$240as in the Price arb table

costs, in and out, $10k−$2462.458% of the position

Long on SunX 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 3 days (all we have)+0.029%+$3 · spread now +0.236%, 7d avg +0.178%

Together, before fees+0.029%+$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: MEXC is 0.058% dearer against SunX than usual: you sell high and buy low, +$6 on $10k if it goes back to its 7-day average of +0.178%.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	SunX SPX-USDT	0.5082	0.0100	pay 0.0050% / 4h	3h 28m	$8K	$1.7M	20x
Short	MEXC SPX_USDT	0.5094	0.0100	get 0.0050% / 4h	3h 28m	$11.2M	$4.7M	100x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

MEXC against SunX. 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 SunXbpFee MEXCbpOrdersPrice spread, now +0.236%Rate

Funding earned: $0
Price spread: +0.236% → +0.178%: $5.82
Slippage, 4 orders: −$233.84
Fee SunX: 4 bp × 2 orders: −$8
Fee MEXC: 2 bp × 2 orders: −$4
Net: −$240.02
Costs to cover: 2.458%
Break-even: never at this rate

Slippage from SunX: live order book, 7 min ago; MEXC: live order book, 4 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 SunX live order book, 7 min ago	34.24 bp	109.3 bp −$109	doesn't fit	doesn't fit	doesn't fit
Sell MEXC live order book, 4 min ago	1.96 bp	9.9 bp −$10	29.5 bp −$295	176.2 bp −$17.6K	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	−2.027%	$9	$4K	5.5x	as long as short
Variational Omni SPX	+0.0036%	4h	0.5092	+0.201%	$847K	$1.3M	—	as long as short
Lighter SPX	+0.0096%	1h	0.5100	+0.344%	$127K	$314K	5x	as long as short
Hyperliquid SPX	+0.0100%	1h	0.5100	+0.348%	$10.0M	$7.8M	5x	as long as short
Aster SPXUSDT	+0.0100%	4h	0.5095	+0.262%	$129K	$110K	10x	as long as short
Binance SPXUSDT	+0.0100%	4h	0.5095	+0.259%	$5.1M	$21.3M	75x	as long as short
Bybit SPXUSDT	+0.0100%	4h	0.5091	+0.177%	$11.6M	$16.1M	50x	as long as short
OKX SPX-USDT-SWAP	+0.0100%	4h	0.5089	+0.138%	$966K	$2.8M	20x	as long as short
Gate SPX_USDT	+0.0100%	4h	0.5090	+0.157%	$1.1M	$513K	50x	as long as short
MEXC SPX_USDTshort	+0.0100%	4h	0.5094	+0.236%	$11.2M	$4.7M	100x

Show all 19 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
KuCoin SPXUSDTM	+0.0100%	4h	0.5093	+0.216%	$3.8M	$5.4M	50x	as long as short
Bitget SPXUSDT	+0.0100%	4h	0.5099	+0.335%	$2.7M	$1.4M	50x	as long as short
BingX SPX-USDT	+0.0100%	4h	0.5094	+0.236%	—	$6.8M	—	as long as short
ApeX Omni SPXUSDT	+0.0100%	1h	0.5101	+0.374%	$46K	$246K	25x	as long as short
Orderly PERP_SPX_USDC	+0.0100%	4h	0.5097	+0.295%	$20K	$711	10x	as long as short
SunX SPX-USDTlong	+0.0100%	4h	0.5082	long leg	$8K	$1.7M	20x
Extended SPX-USD	+0.0104%	1h	0.5095	+0.254%	$33K	$264K	10x	as long as short
BloFin SPX-USDT	+0.0340%	4h	0.5103	+0.413%	$252K	$1.1M	75x	as long as short
Kraken Futures PF_SPXUSD	+0.0961%	1h	0.5098	+0.319%	$247K	$554K	20x	as long as short