TennisUPCOMING

Live· updated 1m ago

Lexus Eastbourne Open: Zeynep Sonmez vs Harriet Dart

Other · June 22, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0.000000000000000

Platform Prices — Zeynep Sonmez

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
PolymarketBest	1.80	55.5%	$0.56	---	Bet Here
Kalshi	1.31	76.5%	$0.77	+21.0pp	Bet Here

PolymarketBest

$0.56

Odds

1.80

Implied

55.5%

Edge

---

Bet Here

Kalshi

$0.77

Odds

1.31

Implied

76.5%

Edge

+21.0pp

Bet Here

All Outcomes

Zeynep Sonmez

Best: 76.5% on kalshi

▲+21.0%

Prediction market is 21.0% cheaper than sportsbooks. Consider buying on PM.

76.5%

55.5%

Harriet Dart

Best: 44.5% on polymarket

▲+19.5%

Prediction market is 19.5% cheaper than sportsbooks. Consider buying on PM.

25.0%

44.5%

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.

Zeynep Sonmez

cheapest single venue: polymarket at 0.555

Retail tier ($5k/venue)

$10.0K@ 0.866 avg

+9.68% vs cheapest single venue

kalshi$5.0K @ 0.790

polymarket$5.0K @ 0.943

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

Sharp tier ($25k/venue)

$50.0K@ 0.907 avg

+8.43% vs cheapest single venue

kalshi$25.0K @ 0.836

polymarket

Arbitrage Opportunity

+24.22%theoretical onlyPAPER

Fillable up to $418

Zeynep Sonmez (polymarket, $689) — slippage 8.7% — eats into edge

Harriet Dart (kalshi, $311) — slippage 4.1% — eats into edge

Outcome	Platform	Odds	Stake	To win
Zeynep Sonmezthin	polymarket	1.80	$689	$1242
Harriet Dartthin	kalshi	4.00	$311	$1242

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 — Zeynep Sonmez

Spread

21.0pp

kalshi at 76.5% vs polymarket at 55.5%

Expected Value

+37.84%

Per $1 staked at polymarket (1.80) if kalshi's price is fair.

Kelly Stake

25.0%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

kalshi

updated just now

Volume: $54
24h Volume: $54
Liquidity: $0
Open Interest: $54

Resolves: in 14d 9h

polymarket

updated just now

Volume: —
24h Volume: $40
Liquidity: $1.1K
Open Interest: —

Resolves: in 8d 8h

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

Settlement Timeline

polymarketin 8d 8h · Jun 30, 2026, 9:00 AM
kalshiin 14d 9h · Jul 6, 2026, 10:00 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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