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Stale· updated 3m ago

Estoril Open: Stan Wawrinka vs Roman Andres Burruchaga

Other · July 19, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0.00000000000000

Platform Prices — Stan Wawrinka

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
KalshiBest	3.51	28.5%	$0.29	---	Bet Here
Polymarket	3.17	31.5%	$0.32	+3.0pp	Bet Here

KalshiBest

$0.29

Odds

3.51

Implied

28.5%

Edge

---

Bet Here

Polymarket

$0.32

Odds

3.17

Implied

31.5%

Edge

+3.0pp

Bet Here

All Outcomes

Stan Wawrinka

Best: 31.5% on polymarket

▲+3.0%

Prediction market is 3.0% cheaper than sportsbooks. Consider buying on PM.

28.5%

31.5%

Roman Andres Burruchaga

Best: 73.0% on kalshi

▲+4.5%

Prediction market is 4.5% cheaper than sportsbooks. Consider buying on PM.

73.0%

68.5%

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.

Stan Wawrinka

cheapest single venue: kalshi at 0.285

Retail tier ($5k/venue)

$10.0K@ 0.624 avg

+37.22% vs cheapest single venue

polymarket$5.0K @ 0.455

kalshi$5.0K @ 0.794

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

Sharp tier ($25k/venue)

$50.0K@ 0.774 avg

+21.49% vs cheapest single venue

polymarket$25.0K @ 0.637

kalshi

Arbitrage Opportunity

+3.09%theoretical onlyPAPER

Stake split for $1,000 bankroll

Stan Wawrinka (kalshi, $294) — slippage 80.1% > 10% cap — fillable up to $65

Roman Andres Burruchaga (polymarket, $706) — slippage 7.8% — eats into edge

Outcome	Platform	Odds	Stake	To win
Stan Wawrinkathin	kalshi	3.51	$294	$1031
Roman Andres Burruchagathin	polymarket	1.46	$706	$1031

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 — Stan Wawrinka

Spread

3.0pp

polymarket at 31.5% vs kalshi at 28.5%

Expected Value

+10.53%

Per $1 staked at kalshi (3.51) if polymarket's price is fair.

Kelly Stake

4.2%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

kalshi

updated just now

Volume: $61
24h Volume: $61
Liquidity: $0
Open Interest: $52

Resolves: in 13d 20h

polymarket

updated just now

Volume: $123
24h Volume: $123
Liquidity: $51.0K
Open Interest: $115

Resolves: in 7d 19h

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

Settlement Timeline

polymarketin 7d 19h · Jul 27, 2026, 10:00 AM
kalshiin 13d 20h · Aug 2, 2026, 11:00 AM

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 Kalshi Trade on Polymarket

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