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: SunX against MEXC−0.155%7-day average −0.179% · you buy dearer than you sell

Net, funding: paid 7d − costs−$252as in the Funding arb table

Net, price: spread back to 7d avg − costs−$249as in the Price arb table

costs, in and out, $10k−$2522.517% 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 4 days (all we have)−0.188%−$19 · spread now −0.155%, 7d avg −0.179%

Together, before fees−0.188%−$19 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 0.024% dearer against MEXC than usual: you sell high and buy low, +$2 on $10k if it goes back to its 7-day average of −0.179%.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	MEXC SPX_USDT	0.5177	0.0100	pay 0.0050% / 4h	3h 20m	$11.9M	$5.1M	100x
Short	SunX SPX-USDT	0.5169	0.0100	get 0.0050% / 4h	3h 20m	$8K	$1.7M	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 −0.155%Rate

Funding earned: $0
Price spread: −0.155% → −0.179%: $2.44
Slippage, 4 orders: −$239.69
Fee MEXC: 2 bp × 2 orders: −$4
Fee SunX: 4 bp × 2 orders: −$8
Net: −$249.25
Costs to cover: 2.517%
Break-even: never at this rate

Slippage from MEXC: live order book, 3 min ago; SunX: live order book, 5 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	1.95 bp	9.7 bp −$10	37.1 bp −$371	164.6 bp −$16.5K	doesn't fit
Sell SunX live order book, 5 min ago	32.14 bp	114.4 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
Injective SPX/USDC PERP	+0.0033%	1h	0.4979	−3.825%	$9	$4K	5.5x	as long as short
Lighter SPX	+0.0096%	1h	0.5181	+0.070%	$151K	$370K	5x	as long as short
Binance SPXUSDT	+0.0100%	4h	0.5177	+0.001%	$5.2M	$22.2M	75x	as long as short
Bybit SPXUSDT	+0.0100%	4h	0.5172	−0.097%	$11.8M	$17.0M	50x	as long as short
OKX SPX-USDT-SWAP	+0.0100%	4h	0.5174	−0.058%	$938K	$3.1M	20x	as long as short
Gate SPX_USDT	+0.0100%	4h	0.5175	−0.039%	$1.0M	$589K	50x	as long as short
MEXC SPX_USDTlong	+0.0100%	4h	0.5177	long leg	$11.9M	$5.1M	100x
KuCoin SPXUSDTM	+0.0100%	4h	0.5176	−0.019%	$3.7M	$5.3M	50x	as long as short
Bitget SPXUSDT	+0.0100%	4h	0.5176	−0.019%	$2.7M	$1.5M	50x	as long as short
BingX SPX-USDT	+0.0100%	4h	0.5176	−0.019%	—	$6.9M	—	as long as short

Show all 19 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
Variational Omni SPX	+0.0100%	4h	0.5138	−0.751%	$955K	$1.5M	—	as long as short
ApeX Omni SPXUSDT	+0.0100%	1h	0.5130	−0.908%	$26K	$255K	25x	as long as short
SunX SPX-USDTshort	+0.0100%	4h	0.5169	−0.155%	$8K	$1.7M	20x
Extended SPX-USD	+0.0104%	1h	0.5169	−0.162%	$34K	$252K	10x	as long as short
Aster SPXUSDT	+0.0172%	4h	0.5160	−0.337%	$138K	$129K	10x	as long as short
Orderly PERP_SPX_USDC	+0.0215%	4h	0.5178	+0.019%	$21K	$599	10x	as long as short
Hyperliquid SPX	+0.0239%	1h	0.5181	+0.068%	$10.6M	$7.8M	5x	as long as short
BloFin SPX-USDT	+0.0340%	4h	0.5139	−0.734%	$255K	$1.0M	75x	as long as short
Kraken Futures PF_SPXUSD	+0.1211%	1h	0.5194	+0.325%	$254K	$549K	20x	as long as short