TennisUPCOMING

Stale· updated 3m ago

Mubadala Citi DC Open: Alex de Minaur vs Brandon Nakashima

Other · July 31, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0K

Platform Prices — Alex de Minaur

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
PolymarketBest	1.63	61.5%	$0.62	---	Bet Here
Kalshi	1.59	63.0%	$0.63	+1.5pp	Bet Here

PolymarketBest

$0.62

Odds

1.63

Implied

61.5%

Edge

---

Bet Here

Kalshi

$0.63

Odds

1.59

Implied

63.0%

Edge

+1.5pp

Bet Here

All Outcomes

Alex de Minaur

Best: 63.0% on kalshi

▲+1.5%

Prediction market is 1.5% cheaper than sportsbooks. Consider buying on PM.

61.5%

63.0%

Brandon Nakashima

Best: 38.5% on polymarket

▲+0.5%

Prediction market is 0.5% cheaper than sportsbooks. Consider buying on PM.

38.5%

38.0%

Aggregate liquidity

across every venue · the only place this number exists

For each outcome, the total fillable capacity if you split across every venue (Polymarket order-book depth + Kalshi order-book depth + Pinnacle / Bet365 / DraftKings stake limits). A whale can't deploy $50k on Polymarket alone without moving the price — but the same $50k splits cleanly across 4 venues at a much tighter aggregate fill price. That's what this panel shows.

Alex de Minaur

cheapest single venue: polymarket at 0.615

Retail tier ($5k/venue)

$10.0K@ 0.633 avg

+0.41% vs cheapest single venue

kalshi$5.0K @ 0.630

polymarket$5.0K @ 0.635

What you can deploy retail-sized across every venue without moving a single market.

Sharp tier ($25k/venue)

$50.0K@ 0.645 avg

+1.92% vs cheapest single venue

kalshi$25.0K @ 0.633

polymarket

Arbitrage Opportunity

+0.50%fillable risk-free returnEXECUTABLE

Stake split for $1,000 bankroll

Outcome	Platform	Odds	Stake	To win
Alex de Minaurthin	polymarket	1.63	$618	$1005
Brandon Nakashimathin	kalshi	2.63	$382	$1005

Stake the listed amount on each outcome at the matching platform. Whichever outcome wins, the payout covers the full bankroll plus the margin shown. Verify prices before placing — odds drift quickly.

Cross-Platform Edge — Alex de Minaur

Spread

1.5pp

kalshi at 63.0% vs polymarket at 61.5%

Expected Value

+2.44%

Per $1 staked at polymarket (1.63) if kalshi's price is fair.

Kelly Stake

3.9%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: $15
24h Volume: $15
Liquidity: $40.1K
Open Interest: $15

Resolves: in 7d 13h

Source: https://www.atptour.com/en/scores/current

kalshi

updated just now

Volume: $3.8K
24h Volume: $3.8K
Liquidity: $0
Open Interest: $3.6K

Resolves: in 14d 14h

Settlement Timeline

polymarketin 7d 13h · Aug 7, 2026, 2:00 PM
kalshiin 14d 14h · Aug 14, 2026, 3:00 PM

Capital on each platform stays locked until that market settles. When platforms resolve at different times the earlier one frees up bankroll for the next opportunity.

Price History

Illustrative preview · historical tracking coming soon

Trade This Market

Trade on Polymarket Trade on Kalshi

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