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ITF Tokyo: Koki Matsuda vs Ryuki Matsuda

Other · July 8, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

Platform Prices — Ryuki Matsuda

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
KalshiBest	1.52	66.0%	$0.66	---	Bet Here
Polymarket	1.50	66.5%	$0.67	+0.5pp	Bet Here

KalshiBest

$0.66

Odds

1.52

Implied

66.0%

Edge

---

Bet Here

Polymarket

$0.67

Odds

1.50

Implied

66.5%

Edge

+0.5pp

Bet Here

All Outcomes

Ryuki Matsuda

Best: 66.5% on polymarket

▲+0.5%

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

66.0%

66.5%

Ingkar Dyussebay

Best: 20.0% on kalshi

▼0.0%

Prices are roughly equal across platforms.

20.0%

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.

Ryuki Matsuda

cheapest single venue: kalshi at 0.660

Retail tier ($5k/venue)

$6.0K@ 0.717 avg

+4.38% vs cheapest single venue

polymarket$1.0K @ 0.687

kalshi$5.0K @ 0.723

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

Sharp tier ($25k/venue)

$26.0K@ 0.770 avg

+12.06% vs cheapest single venue

polymarket$1.0K @ 0.687

kalshi

Arbitrage Opportunity

+16.28%theoretical onlyPAPER

Stake split for $1,000 bankroll

Ingkar Dyussebay (kalshi, $233) — slippage 29.0% > 10% cap — fillable up to $11

Outcome	Platform	Odds	Stake	To win
Ryuki Matsudathin	kalshi	1.51	$767	$1163
Ingkar Dyussebaythin	kalshi	5.00	$233	$1163

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 — Ryuki Matsuda

Spread

0.5pp

polymarket at 66.5% vs kalshi at 66.0%

Expected Value

+0.76%

Per $1 staked at kalshi (1.52) if polymarket's price is fair.

Kelly Stake

1.5%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

kalshi

updated just now

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

Resolves: in 14d 6h

polymarket

updated just now

Volume: —
24h Volume: —
Liquidity: $4.2K
Open Interest: —

Resolves: in 7d 6h

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

Settlement Timeline

polymarketin 7d 6h · Jul 16, 2026, 2:00 AM
kalshiin 14d 6h · Jul 23, 2026, 2:00 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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