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ITF Rancho Santa Fe: Jo-Yee Chan vs Annabelle Xu

Other · July 9, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

Platform Prices — Jo-Yee Chan

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
KalshiBest	1.57	63.5%	$0.64	---	Bet Here
Polymarket	1.55	64.5%	$0.65	+1.0pp	Bet Here

KalshiBest

$0.64

Odds

1.57

Implied

63.5%

Edge

---

Bet Here

Polymarket

$0.65

Odds

1.55

Implied

64.5%

Edge

+1.0pp

Bet Here

All Outcomes

Jo-Yee Chan

Best: 64.5% on polymarket

▲+1.0%

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

64.5%

63.5%

Annabelle Xu

Best: 36.5% on kalshi

▲+1.0%

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

35.5%

36.5%

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.

Jo-Yee Chan

cheapest single venue: kalshi at 0.635

Retail tier ($5k/venue)

$6.0K@ 0.657 avg

+0.10% vs cheapest single venue

kalshi$5.0K @ 0.657

polymarket$1.0K @ 0.661

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

Sharp tier ($25k/venue)

$26.0K@ 0.759 avg

+14.97% vs cheapest single venue

polymarket$1.0K @ 0.661

kalshi

Arbitrage Opportunity

+1.01%theoretical onlyPAPER

Stake split for $1,000 bankroll

Annabelle Xu (polymarket, $359) — not enough depth at $359 — fillable up to $18

Outcome	Platform	Odds	Stake	To win
Jo-Yee Chanthin	kalshi	1.57	$641	$1010
Annabelle Xuthin	polymarket	2.82	$359	$1010

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 — Jo-Yee Chan

Spread

1.0pp

polymarket at 64.5% vs kalshi at 63.5%

Expected Value

+1.57%

Per $1 staked at kalshi (1.57) if polymarket's price is fair.

Kelly Stake

2.7%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: —
24h Volume: —
Liquidity: $2.5K
Open Interest: —

Resolves: in 7d 3h

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 3h

Settlement Timeline

polymarketin 7d 3h · Jul 16, 2026, 4:00 PM
kalshiin 14d 3h · Jul 23, 2026, 4:00 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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