TennisUPCOMING

Live· updated 1m ago

ITF Luan: Seo Yun Choi vs Rira Kosaka

Other · July 8, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0.00

Platform Prices — Seo Yun Choi

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
PolymarketBest	1.52	66.0%	$0.66	+0.5pp	Bet Here
KalshiBest	1.53	65.5%	$0.66	---	Bet Here

PolymarketBest

$0.66

Odds

1.52

Implied

66.0%

Edge

+0.5pp

Bet Here

KalshiBest

$0.66

Odds

1.53

Implied

65.5%

Edge

---

Bet Here

All Outcomes

Seo Yun Choi

Best: 66.0% on polymarket

▲+0.5%

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

66.0%

65.5%

Rira Kosaka

Best: 34.0% on polymarket

▲+1.0%

Prediction market is 1.0% cheaper than sportsbooks. Consider buying on PM.

34.0%

33.0%

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.

Seo Yun Choi

cheapest single venue: kalshi at 0.655

Retail tier ($5k/venue)

$6.0K@ 0.680 avg

+0.09% vs cheapest single venue

kalshi$5.0K @ 0.679

polymarket$1.0K @ 0.683

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

Sharp tier ($25k/venue)

$26.0K@ 0.733 avg

+7.28% vs cheapest single venue

polymarket$1.0K @ 0.683

kalshi

Arbitrage Opportunity

+1.52%theoretical onlyPAPER

Fillable up to $509

Rira Kosaka (kalshi, $335) — slippage 5.3% — eats into edge

Outcome	Platform	Odds	Stake	To win
Seo Yun Choithin	kalshi	1.53	$665	$1015
Rira Kosakathin	kalshi	3.03	$335	$1015

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 — Seo Yun Choi

Spread

0.5pp

polymarket at 66.0% vs kalshi at 65.5%

Expected Value

+0.76%

Per $1 staked at kalshi (1.53) if polymarket's price is fair.

Kelly Stake

1.4%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: $38
24h Volume: $38
Liquidity: $4.3K
Open Interest: $38

Resolves: in 7d 3h

Source: https://www.itftennis.com/en/tournament-calendar/

kalshi

updated just now

Volume: $3
24h Volume: $3
Liquidity: $0
Open Interest: $3

Resolves: in 14d 3h

Settlement Timeline

polymarketin 7d 3h · Jul 15, 2026, 5:00 AM
kalshiin 14d 3h · Jul 22, 2026, 5:00 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 Polymarket Trade on Kalshi

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