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 −0.004%

Price spread now: MEXC against Aster−0.039%7-day average −0.009% · you buy dearer than you sell

to open and closeno order booka leg has no order-book sample

Long on Aster Short on MEXC

What this pair did over the last

the charts below follow

Funding, last 6 days (all we have)−0.004%$0 on $10k

Price spread, last 4 days (all we have)0.000%$0 · spread now −0.039%, 7d avg −0.009%

Together, before fees−0.005%+ Points / potential airdropAster: Stage 5 · farm board$0 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 0.030% cheaper against Aster than usual: you would sell low and buy high, −$3 on $10k if it goes back to its 7-day average of −0.009%.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	Aster SPXUSDT	0.5120	0.0100	pay 0.0050% / 4h	38m 43s	$137K	$93K	10x
Short	MEXC SPX_USDT	0.5118	0.0100	get 0.0050% / 4h	38m 43s	$11.7M	$5.1M	100x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

MEXC against Aster. 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 AsterbpFee MEXCbpOrdersPrice spread, now −0.039%Rate

Funding earned: $0
Price spread: −0.039% → −0.009%: −$3.01
Slippage, 4 orders: no order book: not counted
Fee Aster: 4 bp × 2 orders: −$8
Fee MEXC: 2 bp × 2 orders: −$4
Net: −$15.01
Costs to cover: 0.120%
Break-even: never at this rate

Slippage unknown: Aster: live order book, 62 min ago; MEXC: live order book, 5 min ago. Net counts fees only.

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 Aster live order book, 62 min ago	14.51 bp	doesn't fit	doesn't fit	doesn't fit	doesn't fit
Sell MEXC live order book, 5 min ago	3.88 bp	11.7 bp −$12	25.9 bp −$259	133.0 bp −$13.3K	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	−2.754%	$9	$4K	5.5x	as long as short
Lighter SPX	+0.0096%	1h	0.5122	+0.041%	$139K	$405K	5x	as long as short
Hyperliquid SPX	+0.0100%	1h	0.5121	+0.018%	$10.4M	$8.3M	5x	as long as short
Aster SPXUSDTlong	+0.0100%	4h	0.5120	long leg	$137K	$93K	10x
Binance SPXUSDT	+0.0100%	4h	0.5120	0.000%	$5.2M	$23.8M	75x	as long as short
Bybit SPXUSDT	+0.0100%	4h	0.5109	−0.215%	$11.8M	$17.8M	50x	as long as short
OKX SPX-USDT-SWAP	+0.0100%	4h	0.5111	−0.176%	$970K	$3.4M	20x	as long as short
Gate SPX_USDT	+0.0100%	4h	0.5114	−0.117%	$1.0M	$656K	50x	as long as short
MEXC SPX_USDTshort	+0.0100%	4h	0.5118	−0.039%	$11.7M	$5.1M	100x
KuCoin SPXUSDTM	+0.0100%	4h	0.5118	−0.039%	$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	0.5122	+0.039%	$2.6M	$1.5M	50x	as long as short
BingX SPX-USDT	+0.0100%	4h	0.5117	−0.058%	—	$7.0M	—	as long as short
Variational Omni SPX	+0.0100%	4h	0.5144	+0.479%	$997K	$1.6M	—	as long as short
ApeX Omni SPXUSDT	+0.0100%	1h	0.5156	+0.703%	$26K	$248K	25x	as long as short
SunX SPX-USDT	+0.0100%	4h	0.5114	−0.117%	$8K	$1.8M	20x	as long as short
Extended SPX-USD	+0.0104%	1h	0.5115	−0.105%	$33K	$264K	10x	as long as short
Orderly PERP_SPX_USDC	+0.0158%	4h	0.5127	+0.137%	$20K	$599	10x	as long as short
BloFin SPX-USDT	+0.0340%	4h	0.5125	+0.098%	$253K	$1.0M	75x	as long as short
Kraken Futures PF_SPXUSD	+0.1263%	1h	0.5133	+0.256%	$255K	$553K	20x	as long as short