TennisUPCOMING

Live· updated 1m ago

ITF Laval: Kenta Miyoshi vs Justin Boulais

Other · July 9, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

Platform Prices — Kenta Miyoshi

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
KalshiBest	2.60	38.5%	$0.39	---	Bet Here
Polymarket	2.06	48.5%	$0.49	+10.0pp	Bet Here

KalshiBest

$0.39

Odds

2.60

Implied

38.5%

Edge

---

Bet Here

Polymarket

$0.49

Odds

2.06

Implied

48.5%

Edge

+10.0pp

Bet Here

All Outcomes

Kenta Miyoshi

Best: 48.5% on polymarket

▲+10.0%

Prediction market is 10.0% cheaper than sportsbooks. Consider buying on PM.

48.5%

38.5%

Justin Boulais

Best: 59.0% on kalshi

▲+7.5%

Prediction market is 7.5% cheaper than sportsbooks. Consider buying on PM.

51.5%

59.0%

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.

Kenta Miyoshi

cheapest single venue: kalshi at 0.385

Retail tier ($5k/venue)

$6.0K@ 0.750 avg

+50.15% vs cheapest single venue

polymarket$1.0K @ 0.499

kalshi$5.0K @ 0.800

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

Sharp tier ($25k/venue)

$26.0K@ 0.878 avg

+75.91% vs cheapest single venue

polymarket$1.0K @ 0.499

kalshi

Arbitrage Opportunity

+11.11%theoretical onlyPAPER

Stake split for $1,000 bankroll

Kenta Miyoshi (kalshi, $428) — slippage 25.1% > 10% cap — fillable up to $218

Justin Boulais (polymarket, $572) — slippage 4.7% — eats into edge

Outcome	Platform	Odds	Stake	To win
Kenta Miyoshithin	kalshi	2.60	$428	$1111
Justin Boulaisthin	polymarket	1.94	$572	$1111

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 — Kenta Miyoshi

Spread

10.0pp

polymarket at 48.5% vs kalshi at 38.5%

Expected Value

+25.97%

Per $1 staked at kalshi (2.60) if polymarket's price is fair.

Kelly Stake

16.3%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: —
24h Volume: —
Liquidity: $678
Open Interest: —

Resolves: in 7d 12h

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

kalshi

updated just now

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

Resolves: in 14d 11h

Settlement Timeline

polymarketin 7d 12h · Jul 16, 2026, 3:00 PM
kalshiin 14d 11h · Jul 23, 2026, 2:00 PM

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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