Funding arb · Price arb /

XAU

RWAall XAU markets

Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 03:00 UTC−0.0088%/8h= −9.7% APRpaid last 24h −0.041%

Price spread now: Kalshi against Polymarket Perps−0.041%7-day average −0.025% · you buy dearer than you sell

Net, funding: paid 7d − costs−$37as in the Funding arb table

Net, price: spread back to 7d avg − costs−$24as in the Price arb table

costs, in and out, $10k−$220.220% 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−0.152%−$15 on $10k

Price spread, last 7 days−0.003%$0 · spread now −0.041%, 7d avg −0.025%

Together, before fees−0.155%−$16 on $10k · with fees, hour by hour

The price spread sits at its 7-day average of −0.025%, so right now this pair is about funding alone: −$3 a day on $10k at the current rate.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	Polymarket Perps GOLD-USD	4,355.4	0.0127	pay 0.0016% / 1h	27m 03s	$4.3M	$1.9M	20x
Short	Kalshi KXGOLDPERP	4,353.6	0.0039	get 0.0117% / 24h	11h 27m	$4.1M	$37.0M	15x

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 −0.041%Rate

Funding earned: −$18.58
Price spread: −0.041% → −0.025%: −$1.63
Slippage, 4 orders: −$4
Fee Polymarket Perps: 4 bp × 2 orders: −$8
Fee Kalshi: 5 bp × 2 orders: −$10
Net: −$42.21
Costs to cover: 0.220%
Break-even: never at this rate

Slippage from Polymarket Perps: live order book, 2 min ago; Kalshi: live order book, 2 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 Polymarket Perps live order book, 2 min ago	0.69 bp	4.8 bp −$5	5.0 bp −$50	5.8 bp −$582	doesn't fit
Sell Kalshi live order book, 2 min ago	0.12 bp	6.3 bp −$6	6.7 bp −$67	8.4 bp −$845	doesn't fit

XAU on 39 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
SunX XAU-USDT	0.0000%	4h	4,359.8	+0.100%	$93K	$9.2M	20x	as long as short
gTrade (Gains Network) XAU/USD	L +0.0002% / S −0.0003%	1h	4,353.2	−0.050%	$267K	—	250x	as long as short
Gate XAU_USDT	+0.0006%	4h	4,357.7	+0.053%	$265.1M	$411.9M	100x	as long as short
RISEx XAU/USDC	+0.0010%	1h	4,354.9	−0.012%	$3.4M	$12.4M	25x	as long as short
Extended XAU-USD	+0.0032%	1h	4,352.7	−0.063%	$13.6M	$39.1M	25x	as long as short
Injective XAU/USDC PERP	+0.0033%	1h	4,350.4	−0.114%	$619	$54	52x	as long as short
Kalshi KXGOLDPERPshort	+0.0039%	24h	4,353.6	−0.041%	$4.1M	$37.0M	15x
StandX XAU-USD	+0.0040%	1h	4,354.2	−0.028%	$3.8M	$4.6M	40x	as long as short
Aster XAUUSD1	+0.0043%	4h	4,357.4	+0.045%	$70.5M	$333.8M	20x	as long as short
Vest GC-PERP	+0.0046%	1h	4,388.9	+0.769%	—	$1.0M	25x	as long as short

Show all 39 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
QFEX GOLD-USD	+0.0046%	1h	4,353	−0.055%	$5.6M	$1.9M	20x	as long as short
Coinbase International GOLD-PERP-INTX	+0.0048%	1h	4,352.2	−0.073%	$2.0M	$4.9M	25x	as long as short
tradeXYZ xyz:GOLD	+0.0050%	1h	4,353.3	−0.048%	$294.1M	$48.7M	25x	as long as short
Ondo Perps XAU-USD.P	+0.0050%	1h	4,352	−0.078%	$15.1M	$57.3M	25x	as long as short
GRVT XAU_USDT_Perp	+0.0052%	4h	4,353.7	−0.040%	$1.4M	$3.0M	25x	as long as short
Lighter XAU	+0.0056%	1h	4,355.7	+0.006%	$20.7M	$42.3M	25x	as long as short
Variational Omni XAU	+0.0057%	4h	4,353	−0.056%	$48.3M	$27.8M	—	as long as short
Lighter RH XAU	+0.0064%	1h	4,358	+0.059%	$20.1M	$39.7M	25x	as long as short
MEXC XAU_USDT	+0.0074%	4h	4,356.6	+0.026%	$372.5M	$318.6M	1000x	as long as short
Binance XAUUSDT	+0.0075%	4h	4,356.9	+0.034%	$413.1M	$2.10B	100x	as long as short
Paradex XAU-USD-PERP	+0.0081%	8h	4,355.8	+0.009%	$19K	$5K	5x	as long as short
edgeX XAUUSDC	+0.0087%	4h	4,349.1	−0.145%	$30.3M	$58.2M	50x	as long as short
Aevo XAU-PERP	+0.0096%	1h	4,355	−0.010%	$161K	$87	10x	as long as short
Pacifica XAU	+0.0100%	1h	4,351.8	−0.082%	$1.4M	$1.1M	10x	as long as short
ApeX Omni XAUUSDT	+0.0100%	1h	4,351	−0.102%	$275K	$202K	50x	as long as short
Polymarket Perps GOLD-USDlong	+0.0127%	1h	4,355.4	long leg	$4.3M	$1.9M	20x
Phoenix GOLD	+0.0136%	1h	4,350.3	−0.117%	$47K	$77K	25x	as long as short
Phemex XAUUSDT	+0.0137%	4h	4,356.8	+0.032%	$2.2M	$1.1M	100x	as long as short
Deribit GOLD_USDC-PERPETUAL	+0.0140%	1h	4,355.1	−0.007%	$258K	$707K	25x	as long as short
Bybit XAUUSDT	+0.0197%	4h	4,358.8	+0.079%	$84.6M	$145.5M	150x	as long as short
Hotstuff GOLD-PERP	+0.0200%	1h	4,351.2	−0.096%	$33K	—	25x	as long as short
Bitget XAUUSDT	+0.0212%	4h	4,356.9	+0.035%	$70.2M	$109.4M	100x	as long as short
Bullet GOLD-USD	+0.0212%	1h	4,356.1	+0.016%	$59K	$83K	10x	as long as short
OKX XAU-USDT-SWAP	+0.0253%	8h	4,358.3	+0.067%	$165.1M	$282.2M	100x	as long as short
Kraken Futures PF_XAUUSD	+0.0269%	1h	4,353.4	−0.046%	$594K	$133K	25x	as long as short
BloFin XAU-USDT	+0.0298%	4h	4,356	+0.014%	$15.5M	$4.6M	100x	as long as short
GMX GOLD/USD [ETH-USDC]	L +0.0401% / S −0.0212%	1h	4,356.7	+0.031%	$249K	—	111x	as long as short
HTX XAU-USDT	+0.0565%	4h	4,359.9	+0.103%	$2.9M	$4.2M	75x	as long as short
Bluefin GOLD-PERP	+0.0641%	1h	4,349.1	−0.145%	$25K	$14K	20x	as long as short