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ITF Claremont: Roshan Santhosh vs Hiroki Sakagawa

Other · June 24, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0.00

Platform Prices — Roshan Santhosh

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
KalshiBest	2.38	42.0%	$0.42	---	Bet Here
Polymarket	2.00	50.0%	$0.50	+8.0pp	Bet Here

KalshiBest

$0.42

Odds

2.38

Implied

42.0%

Edge

---

Bet Here

Polymarket

$0.50

Odds

2.00

Implied

50.0%

Edge

+8.0pp

Bet Here

All Outcomes

Roshan Santhosh

Best: 50.0% on polymarket

▲+8.0%

Prediction market is 8.0% cheaper than sportsbooks. Consider buying on PM.

50.0%

42.0%

Hiroki Sakagawa

Best: 58.5% on kalshi

▲+8.5%

Prediction market is 8.5% cheaper than sportsbooks. Consider buying on PM.

50.0%

58.5%

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.

Roshan Santhosh

cheapest single venue: kalshi at 0.420

Retail tier ($5k/venue)

$6.0K@ 0.524 avg

+10.70% vs cheapest single venue

kalshi$5.0K @ 0.474

polymarket$1.0K @ 0.778

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

Sharp tier ($25k/venue)

$26.0K@ 0.721 avg

+0.32% vs cheapest single venue

kalshi$25.0K @ 0.719

polymarket

Arbitrage Opportunity

+8.70%theoretical onlyPAPER

Fillable up to $222

Roshan Santhosh (kalshi, $457) — slippage 3.6% — eats into edge

Hiroki Sakagawa (polymarket, $544) — slippage 4.6% — eats into edge

Outcome	Platform	Odds	Stake	To win
Roshan Santhoshthin	kalshi	2.38	$457	$1087
Hiroki Sakagawathin	polymarket	2.00	$544	$1087

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 — Roshan Santhosh

Spread

8.0pp

polymarket at 50.0% vs kalshi at 42.0%

Expected Value

+19.05%

Per $1 staked at kalshi (2.38) if polymarket's price is fair.

Kelly Stake

13.8%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

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

Resolves: in 7d 4h

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

kalshi

updated just now

Volume: $650
24h Volume: $11
Liquidity: $0
Open Interest: $650

Resolves: in 14d 1h

Settlement Timeline

polymarketin 7d 4h · Jul 1, 2026, 11:15 PM
kalshiin 14d 1h · Jul 8, 2026, 8:30 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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