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Hamburg European Open, Qualification: Arantxa Rus vs Chloe Paquet

Other · July 20, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0.0M

Platform Prices — Arantxa Rus

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
PolymarketBest	1.54	64.9%	$0.65	---	Bet Here
Kalshi	1.23	81.0%	$0.81	+16.1pp	Bet Here

PolymarketBest

$0.65

Odds

1.54

Implied

64.9%

Edge

---

Bet Here

Kalshi

$0.81

Odds

1.23

Implied

81.0%

Edge

+16.1pp

Bet Here

All Outcomes

Arantxa Rus

Best: 81.0% on kalshi

▲+16.1%

Prediction market is 16.1% cheaper than sportsbooks. Consider buying on PM.

64.9%

81.0%

Chloe Paquet

Best: 35.1% on polymarket

▲+17.1%

Prediction market is 17.1% cheaper than sportsbooks. Consider buying on PM.

35.1%

18.0%

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.

Arantxa Rus

cheapest single venue: polymarket at 0.649

Retail tier ($5k/venue)

$10.0K@ 0.781 avg

+0.12% vs cheapest single venue

kalshi$5.0K @ 0.780

polymarket$5.0K @ 0.782

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

Sharp tier ($25k/venue)

$50.0K@ 0.784 avg

+0.50% vs cheapest single venue

kalshi$25.0K @ 0.780

polymarket

Arbitrage Opportunity

+20.63%fillable risk-free returnEXECUTABLE

Stake split for $1,000 bankroll

Outcome	Platform	Odds	Stake	To win
Arantxa Rus	polymarket	1.54	$783	$1206
Chloe Paquetthin	kalshi	5.56	$217	$1206

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 — Arantxa Rus

Spread

16.1pp

kalshi at 81.0% vs polymarket at 64.9%

Expected Value

+24.81%

Per $1 staked at polymarket (1.54) if kalshi's price is fair.

Kelly Stake

25.0%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: $127.4K
24h Volume: $127.4K
Liquidity: $573.1K
Open Interest: $77.0K

Resolves: in 6d 21h

Source: https://www.wtatennis.com/scores

kalshi

updated just now

Volume: $1.2M
24h Volume: $1.2M
Liquidity: $0
Open Interest: $658.3K

Resolves: in 13d 21h

Settlement Timeline

polymarketin 6d 21h · Jul 27, 2026, 9:30 AM
kalshiin 13d 21h · Aug 3, 2026, 9:10 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 Polymarket Trade on Kalshi

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