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 SunX+0.213%7-day average +0.181% · you sell dearer than you buy

Net, funding: paid 7d − costs−$241as in the Funding arb table

Net, price: spread back to 7d avg − costs−$237as in the Price arb table

costs, in and out, $10k−$2412.405% 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 4 days (all we have)+0.028%+$3 · spread now +0.213%, 7d avg +0.181%

Together, before fees+0.028%+$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 0.033% dearer against SunX than usual: you sell high and buy low, +$3 on $10k if it goes back to its 7-day average of +0.181%.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	SunX SPX-USDT	0.5159	0.0100	pay 0.0050% / 4h	44m 51s	$8K	$1.8M	20x
Short	MEXC SPX_USDT	0.5170	0.0100	get 0.0050% / 4h	44m 51s	$11.9M	$5.1M	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 +0.213%Rate

Funding earned: $0
Price spread: +0.213% → +0.181%: $3.26
Slippage, 4 orders: −$228.52
Fee SunX: 4 bp × 2 orders: −$8
Fee MEXC: 2 bp × 2 orders: −$4
Net: −$237.26
Costs to cover: 2.405%
Break-even: never at this rate

Slippage from SunX: live order book, 11 min ago; MEXC: live order book, 3 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, 11 min ago	32.14 bp	106.9 bp −$107	doesn't fit	doesn't fit	doesn't fit
Sell MEXC live order book, 3 min ago	1.93 bp	10.6 bp −$11	39.5 bp −$395	172.0 bp −$17.2K	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	−3.489%	$9	$4K	5.5x	as long as short
Lighter SPX	+0.0096%	1h	0.5170	+0.205%	$141K	$405K	5x	as long as short
Hyperliquid SPX	+0.0100%	1h	0.5170	+0.213%	$10.5M	$8.3M	5x	as long as short
Aster SPXUSDT	+0.0100%	4h	0.5178	+0.361%	$138K	$93K	10x	as long as short
Binance SPXUSDT	+0.0100%	4h	0.5169	+0.194%	$5.2M	$23.7M	75x	as long as short
Bybit SPXUSDT	+0.0100%	4h	0.5163	+0.078%	$11.9M	$17.8M	50x	as long as short
OKX SPX-USDT-SWAP	+0.0100%	4h	0.5166	+0.136%	$978K	$3.4M	20x	as long as short
Gate SPX_USDT	+0.0100%	4h	0.5168	+0.174%	$1.0M	$654K	50x	as long as short
MEXC SPX_USDTshort	+0.0100%	4h	0.5170	+0.213%	$11.9M	$5.1M	100x
KuCoin SPXUSDTM	+0.0100%	4h	0.5169	+0.194%	$3.7M	$5.5M	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	0.5170	+0.213%	$2.7M	$1.5M	50x	as long as short
BingX SPX-USDT	+0.0100%	4h	0.5165	+0.116%	—	$7.0M	—	as long as short
Variational Omni SPX	+0.0100%	4h	0.5164	+0.097%	$1.0M	$1.6M	—	as long as short
ApeX Omni SPXUSDT	+0.0100%	1h	0.5157	−0.039%	$26K	$253K	25x	as long as short
SunX SPX-USDTlong	+0.0100%	4h	0.5159	long leg	$8K	$1.8M	20x
Extended SPX-USD	+0.0104%	1h	0.5166	+0.128%	$34K	$244K	10x	as long as short
Orderly PERP_SPX_USDC	+0.0164%	4h	0.5175	+0.310%	$21K	$599	10x	as long as short
BloFin SPX-USDT	+0.0340%	4h	0.5164	+0.097%	$255K	$1.0M	75x	as long as short
Kraken Futures PF_SPXUSD	+0.1251%	1h	0.5183	+0.459%	$258K	$553K	20x	as long as short