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ITF Sapporo: Ayumi Miyamoto vs Kanon Sawashiro

Other · June 24, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0.0

Platform Prices — Ayumi Miyamoto

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
KalshiBest	2.25	44.5%	$0.44	---	Bet Here
Polymarket	2.00	50.0%	$0.50	+5.5pp	Bet Here

KalshiBest

$0.44

Odds

2.25

Implied

44.5%

Edge

---

Bet Here

Polymarket

$0.50

Odds

2.00

Implied

50.0%

Edge

+5.5pp

Bet Here

All Outcomes

Ayumi Miyamoto

Best: 50.0% on polymarket

▲+5.5%

Prediction market is 5.5% cheaper than sportsbooks. Consider buying on PM.

44.5%

50.0%

Kanon Sawashiro

Best: 57.0% on kalshi

▲+7.0%

Prediction market is 7.0% cheaper than sportsbooks. Consider buying on PM.

57.0%

50.0%

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.

Ayumi Miyamoto

cheapest single venue: kalshi at 0.445

Retail tier ($5k/venue)

$5.0K@ 0.556 avg

+0.00% vs cheapest single venue

kalshi$5.0K @ 0.556

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

Sharp tier ($25k/venue)

$25.0K@ 0.691 avg

+0.00% vs cheapest single venue

kalshi$25.0K @ 0.691

Algo-trader tier — combines order-book depth and per-book stake limits at $25k each.

Whale tier (max known capacity)

Arbitrage Opportunity

+5.82%theoretical onlyPAPER

Fillable up to $809

Kanon Sawashiro (polymarket, $529) — slippage 4.0% — eats into edge

Outcome	Platform	Odds	Stake	To win
Ayumi Miyamotothin	kalshi	2.25	$471	$1058
Kanon Sawashirothin	polymarket	2.00	$529	$1058

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 — Ayumi Miyamoto

Spread

5.5pp

polymarket at 50.0% vs kalshi at 44.5%

Expected Value

+12.36%

Per $1 staked at kalshi (2.25) if polymarket's price is fair.

Kelly Stake

9.9%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

kalshi

updated just now

Volume: $2
24h Volume: $2
Liquidity: $0
Open Interest: $2

Resolves: in 14d 6h

polymarket

updated just now

Volume: —
24h Volume: —
Liquidity: $21
Open Interest: —

Resolves: in 7d 6h

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

Settlement Timeline

polymarketin 7d 6h · Jul 2, 2026, 1:00 AM
kalshiin 14d 6h · Jul 9, 2026, 1:00 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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