Funding arb · Price arb /

SPX

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Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 09:00 UTC−0.0004%/8h= −0.4% APRpaid last 24h −0.001%

Price spread now: MEXC against Extended+0.016%7-day average +0.096% · you sell dearer than you buy

Net, funding: paid 7d − costs−$82as in the Funding arb table

Net, price: spread back to 7d avg − costs−$90as in the Price arb table

costs, in and out, $10k−$820.815% of the position

Long on Extended Short on MEXC

What this pair did over the last

the charts below follow

Funding, last 7 days−0.008%−$1 on $10k

Price spread, last 4 days (all we have)+0.372%+$37 · spread now +0.016%, 7d avg +0.096%

Together, before fees+0.364%+ Points / potential airdropExtended: Active · farm board+$36 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 0.080% cheaper against Extended than usual: you would sell low and buy high, −$8 on $10k if it goes back to its 7-day average of +0.096%.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	Extended SPX-USD	0.5119	0.0104	pay 0.0013% / 1h	29m 08s	$46K	$309K	10x
Short	MEXC SPX_USDT	0.5120	0.0100	get 0.0050% / 4h	3h 29m	$11.6M	$5.0M	100x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

MEXC against Extended. 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 ExtendedbpFee MEXCbpOrdersPrice spread, now +0.016%Rate

Funding earned: −$0.84
Price spread: +0.016% → +0.096%: −$7.99
Slippage, 4 orders: −$72.52
Fee Extended: 2.5 bp × 2 orders: −$5
Fee MEXC: 2 bp × 2 orders: −$4
Net: −$90.35
Costs to cover: 0.815%
Break-even: never at this rate

Slippage from Extended: live order book, 3 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 Extended live order book, 3 min ago	3.34 bp	32.6 bp −$33	224.1 bp −$2,241	doesn't fit	doesn't fit
Sell MEXC live order book, 4 min ago	2.94 bp	9.3 bp −$9	26.6 bp −$266	182.6 bp −$18.3K	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	−2.739%	$9	$4K	5.5x	as long as short
Variational Omni SPX	+0.0052%	4h	0.5087	−0.626%	$946K	$1.6M	—	as long as short
Lighter SPX	+0.0096%	1h	0.5122	+0.049%	$141K	$406K	5x	as long as short
Hyperliquid SPX	+0.0100%	1h	0.5131	+0.235%	$10.6M	$8.6M	5x	as long as short
Aster SPXUSDT	+0.0100%	4h	0.5117	−0.050%	$137K	$93K	10x	as long as short
Binance SPXUSDT	+0.0100%	4h	0.5120	+0.018%	$5.1M	$23.9M	75x	as long as short
Bybit SPXUSDT	+0.0100%	4h	0.5118	−0.023%	$11.8M	$17.9M	50x	as long as short
OKX SPX-USDT-SWAP	+0.0100%	4h	0.5124	+0.094%	$980K	$3.4M	20x	as long as short
Gate SPX_USDT	+0.0100%	4h	0.5117	−0.043%	$1.0M	$650K	50x	as long as short
MEXC SPX_USDTshort	+0.0100%	4h	0.5120	+0.016%	$11.6M	$5.0M	100x

Show all 19 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
KuCoin SPXUSDTM	+0.0100%	4h	0.5113	−0.121%	$3.7M	$5.5M	50x	as long as short
Bitget SPXUSDT	+0.0100%	4h	0.5126	+0.133%	$2.6M	$1.5M	50x	as long as short
BingX SPX-USDT	+0.0100%	4h	0.5120	+0.016%	—	$7.0M	—	as long as short
ApeX Omni SPXUSDT	+0.0100%	1h	0.5092	−0.531%	$26K	$249K	25x	as long as short
Orderly PERP_SPX_USDC	+0.0100%	4h	0.5121	+0.035%	$20K	$540	10x	as long as short
SunX SPX-USDT	+0.0100%	4h	0.5111	−0.160%	$8K	$1.8M	20x	as long as short
Extended SPX-USDlong	+0.0104%	1h	0.5119	long leg	$46K	$309K	10x
BloFin SPX-USDT	+0.0340%	4h	0.5123	+0.074%	$253K	$1.0M	75x	as long as short
Kraken Futures PF_SPXUSD	+0.1469%	1h	0.5140	+0.406%	$263K	$557K	20x	as long as short