data as of
Settings8H · net · $10k
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Price arb /

B

all B markets
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Checked every minute; it has to hold two checks in a row. Delivery to Telegram comes later, so for now alerts appear on the alerts page.

After costs, if the gap returns to its 7d average, $10k−$758
spread now+0.243%7d average+0.078%fees + slippage, in and out−$775spread needed7.750%
Long on KuCoinShort on MEXC
LegExchangePriceFunding /8hEach paymentNext inOIVol 24hMax lev
LongKuCoin BUSDTM0.20190.0750pay 0.0375% / 4h1h 00m$1.9M$69K10x
ShortMEXC B_USDT0.20240.0432get 0.0216% / 4h1h 00m$955K$371K100x

Price spread history

latest
Range statsloading…

How often the spread is this wide

share of time at each level, last 7D

Backtest

opened in the past, held until now, after costs
Backtest 7 daysBacktest 30 daysBacktest 90 daysopens the backtester with this pair and $10,000 a leg

Profit calculator

Spread captured
$24.27
Funding while held
−$9.54
Slippage, 4 orders
−$758.97
Fee KuCoin: 6 bp × 2 orders
−$12
Fee MEXC: 2 bp × 2 orders
−$4
Net
−$760.24
Spread needed to break even
7.750%
Slippage from KuCoin: live order book, 2 min ago; MEXC: live order book, 7 min ago.

Cost of waiting

funding view
Funding /8h
−0.0318%
Per $10,000 a day
−$9.54
Average in range /8h
—

Cost to enter

taker fee + slippage from the mid, one side; closing costs about the same again
LegHalf-spread$10k$100k$1M$5M
Buy KuCoin live order book, 2 min ago8.16 bp375.0 bp −$375doesn't fitdoesn't fitdoesn't fit
Sell MEXC live order book, 7 min ago2.47 bp6.5 bp −$749.3 bp −$493202.3 bp −$20.2Kdoesn't fit

B price on every exchange

against the cheapest. Click to use as the short leg.
KuCoin0.2019cheapest
Gate0.2021+0.094%Bybit0.2021+0.099%BingX0.2023+0.193%Binance0.2024+0.243%
MEXC0.2024+0.243%
Bitget0.2024+0.243%BloFin0.2024+0.243%Aster0.2024+0.248%Extended0.2025+0.291%edgeX0.2025+0.301%

B on 11 venues

cheapest first. Swap a leg.
Exchangevs long legFunding /8hEveryOIVol 24hMax lev
KuCoin BUSDTMlong0.000%+0.0750%4h$1.9M$69K10x
Gate B_USDT+0.094%+0.0100%4h$3.4M$572K20xas long as short
Bybit BUSDT+0.099%+0.0100%4h$1.8M$868K13xas long as short
BingX B-USDT+0.193%+0.0408%4h—$1.2M—as long as short
Binance BUSDT+0.243%+0.0437%4h$11.7M$2.0M20xas long as short
MEXC B_USDTshort+0.243%+0.0432%4h$955K$371K100x
Bitget BUSDT+0.243%+0.0134%4h$2.7M$211K10xas long as short
BloFin B-USDT+0.243%+0.0449%4h$606K$40K20xas long as short
Aster BUSDT+0.248%+0.1326%4h$1.9M$174K5xas long as short
Extended B-USD+0.291%+0.0432%1h$15K$117K5xas long as short
Show all 11 venues
Exchangevs long legFunding /8hEveryOIVol 24hMax lev
edgeX BUSDC+0.301%+0.0399%4h$3K$396K5xas long as short