Funding arb · Price arb /

BNB

all BNB markets

Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 01:00 UTC+0.0064%/8h= +7.0% APRpaid last 24h −0.001%

Price spread now: Kalshi against Polymarket Perps+0.157%7-day average +0.019% · you sell dearer than you buy

Net, funding: paid 7d − costs−$52as in the Funding arb table

Net, price: spread back to 7d avg − costs−$22as in the Price arb table

costs, in and out, $10k−$360.362% of the position

Long on Polymarket Perps Short on Kalshi

What this pair did over the last

the charts below follow

Funding, last 7 days−0.157%−$16 on $10k

Price spread, last 3 days (all we have)−0.119%−$12 · spread now +0.157%, 7d avg +0.019%

Together, before fees−0.276%−$28 on $10k · with fees, hour by hour

Both sides work for this trade now. Funding pays +$2 a day on $10k at the current rate, and Kalshi is 0.138% dearer against Polymarket Perps than usual: you sell high and buy low: +$14 more if the spread goes back to its 7-day average of +0.019%. Mind the row above: over the last 7 days funding on this pair cost −0.157%, so the current rate has only just turned in your favour.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	Polymarket Perps BNB-USD	796.05	0.0100	pay 0.0013% / 1h	3m 01s	$111K	$887K	10x
Short	Kalshi KXBNBPERP	797.30	0.0164	get 0.0164% / 8h	3h 03m	$104K	$2.8M	4.8x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

Kalshi against Polymarket Perps. 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 Polymarket PerpsbpFee KalshibpOrdersPrice spread, now +0.157%Rate

Funding earned: $13.35
Price spread: +0.157% → +0.019%: $13.81
Slippage, 4 orders: −$18.2
Fee Polymarket Perps: 4 bp × 2 orders: −$8
Fee Kalshi: 5 bp × 2 orders: −$10
Net: −$9.04
Costs to cover: 0.362%
Break-even: 11.7 days

Slippage from Polymarket Perps: live order book, 5 min ago; Kalshi: live order book, just now.

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 Polymarket Perps live order book, 5 min ago	2.88 bp	6.9 bp −$7	7.8 bp −$78	16.3 bp −$1,631	doesn't fit
Sell Kalshi live order book, just now	1.25 bp	16.2 bp −$16	22.4 bp −$224	doesn't fit	doesn't fit

BNB on 46 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
GMX BNB/USD [WBTC.b-USDC]	L −0.0159% / S +0.0335%	1h	795.94	−0.014%	$47K	—	200x	as long as short
Kraken Futures PF_BNBUSD	−0.0121%	1h	795.80	−0.031%	$2.5M	$1.0M	50x	as long as short
Hotstuff BNB-PERP	−0.0080%	1h	796.50	+0.057%	$4K	$239	25x	as long as short
Gate BNB_USDT	−0.0002%	8h	795.75	−0.038%	$35.8M	$57.3M	75x	as long as short
GRVT BNB_USDT_Perp	0.0000%	8h	797.56	+0.190%	$3.0M	$27.9M	10x	as long as short
StandX BNB-USD	0.0000%	1h	798.24	+0.275%	$863K	$3.0M	30x	as long as short
gTrade (Gains Network) BNB/USD	L +0.0008% / S −0.0007%	1h	796.02	−0.003%	$9.7M	—	150x	as long as short
Variational Omni BNB	+0.0009%	8h	796.50	+0.057%	$4.1M	$5.1M	—	as long as short
Phemex BNBUSDT	+0.0013%	8h	796.31	+0.033%	$69.5M	$50.2M	50x	as long as short
Injective BNB/USDC PERP	+0.0033%	1h	805.09	+1.136%	$19K	$789K	30x	as long as short

Show all 46 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
Aster BNBUSDT	+0.0044%	8h	796.47	+0.053%	$6.2M	$19.6M	200x	as long as short
Coinbase International BNB-PERP-INTX	+0.0048%	1h	796.73	+0.085%	$610K	$1.1M	50x	as long as short
BingX BNB-USDT	+0.0057%	8h	795.86	−0.024%	—	$34.9M	—	as long as short
Binance BNBUSDT	+0.0068%	8h	796.65	+0.076%	$495.9M	$813.4M	75x	as long as short
Bybit BNBUSDT	+0.0068%	8h	795.94	−0.014%	$138.5M	$76.5M	75x	as long as short
MEXC BNB_USDT	+0.0069%	8h	796.40	+0.044%	$82.7M	$13.7M	200x	as long as short
Lighter BNB	+0.0096%	1h	795.82	−0.029%	$2.8M	$4.0M	20x	as long as short
Phoenix BNB	+0.0099%	1h	797.27	+0.153%	$171K	$36K	10x	as long as short
Nado BNB-PERP	+0.0100%	1h	796.20	+0.019%	$1.4M	$2.7M	20x	as long as short
Pacifica BNB	+0.0100%	1h	796.57	+0.066%	$1.2M	$930K	20x	as long as short
OKX BNB-USDT-SWAP	+0.0100%	8h	796.00	−0.006%	$53.9M	$110.7M	50x	as long as short
Arcus BNB-USD	+0.0100%	1h	796.40	+0.044%	$52K	$127K	10x	as long as short
KuCoin BNBUSDTM	+0.0100%	8h	795.84	−0.026%	$27.8M	$10.0M	75x	as long as short
Bitget BNBUSDT	+0.0100%	8h	795.85	−0.025%	$77.9M	$28.1M	75x	as long as short
edgeX BNBUSDC	+0.0100%	4h	797.71	+0.209%	$4.1M	$76.3M	30x	as long as short
ApeX Omni BNBUSDT	+0.0100%	1h	798.08	+0.255%	$161K	$436K	50x	as long as short
Polymarket Perps BNB-USDlong	+0.0100%	1h	796.05	long leg	$111K	$887K	10x
Orderly PERP_BNB_USDC	+0.0100%	8h	796.10	+0.006%	$385K	$468K	50x	as long as short
Derive BNB-PERP	+0.0100%	1h	796.26	+0.026%	$32K	$9K	10x	as long as short
SunX BNB-USDT	+0.0100%	8h	797.83	+0.224%	$13K	$1.6M	50x	as long as short
SoDEX BNB-USD	+0.0100%	1h	796.20	+0.019%	$392K	$995K	10x	as long as short
HTX BNB-USDT	+0.0100%	8h	795.90	−0.018%	$8.2M	$8.4M	75x	as long as short
Paradex BNB-USD-PERP	+0.0100%	8h	796.88	+0.104%	$78K	$18K	50x	as long as short
Extended BNB-USD	+0.0104%	1h	795.82	−0.029%	$1.8M	$6.0M	50x	as long as short
Aevo BNB-PERP	+0.0104%	1h	796.09	+0.005%	$382K	$110K	10x	as long as short
Bulk BNB-USD	+0.0133%	1h	798.69	+0.332%	$649K	$10K	10x	as long as short
RISEx BNB/USDC	+0.0155%	1h	796.11	+0.007%	$1.1M	$1.4M	20x	as long as short
Kalshi KXBNBPERPshort	+0.0164%	8h	797.30	+0.157%	$104K	$2.8M	4.8x
BloFin BNB-USDT	+0.0188%	8h	796.80	+0.094%	$18.1M	$2.5M	75x	as long as short
dYdX BNB-USD	+0.0188%	1h	796.05	+0.001%	$161K	$63K	10x	as long as short
01 Exchange BNBUSD	+0.0200%	1h	796.79	+0.093%	$28K	$1K	10x	as long as short
Deribit BNB_USDC-PERPETUAL	+0.0200%	1h	796.54	+0.061%	$1.6M	$161K	25x	as long as short
Hyperliquid BNB	+0.0279%	1h	796.52	+0.059%	$52.9M	$20.1M	10x	as long as short
Reya BNBRUSDPERP	+0.0329%	1h	795.80	−0.032%	$6K	$3K	40x	as long as short
Hibachi BNB/USDT-P	+0.0400%	1h	797.86	+0.227%	$68K	$38K	12x	as long as short
Backpack BNB_USDC_PERP	+0.0425%	1h	796.73	+0.085%	$2.7M	$5.7M	40x	as long as short