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ITF Sumter: Sofia Shapatava vs Kylie Collins

Other · June 3, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

Platform Prices — Sofia Shapatava

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
KalshiBest	3.03	33.0%	$0.33	---	Bet Here
Polymarket	2.74	36.5%	$0.37	+3.5pp	Bet Here

KalshiBest

$0.33

Odds

3.03

Implied

33.0%

Edge

---

Bet Here

Polymarket

$0.37

Odds

2.74

Implied

36.5%

Edge

+3.5pp

Bet Here

All Outcomes

Sofia Shapatava

Best: 36.5% on polymarket

▲+3.5%

Prediction market is 3.5% cheaper than sportsbooks. Consider buying on PM.

36.5%

33.0%

Kylie Collins

Best: 68.0% on kalshi

▲+4.5%

Prediction market is 4.5% cheaper than sportsbooks. Consider buying on PM.

63.5%

68.0%

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.

Sofia Shapatava

cheapest single venue: kalshi at 0.330

Retail tier ($5k/venue)

$6.0K@ 0.431 avg

+2.96% vs cheapest single venue

kalshi$5.0K @ 0.419

polymarket$1.0K @ 0.493

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

Sharp tier ($25k/venue)

$26.0K@ 0.503 avg

+1.92% vs cheapest single venue

polymarket$1.0K @ 0.493

kalshi

Arbitrage Opportunity

+3.63%theoretical onlyPAPER

Stake split for $1,000 bankroll

Sofia Shapatava (kalshi, $342) — slippage 5.1% — eats into edge

Kylie Collins (polymarket, $658) — slippage 9.5% — eats into edge

Outcome	Platform	Odds	Stake	To win
Sofia Shapatavathin	kalshi	3.03	$342	$1036
Kylie Collinsthin	polymarket	1.57	$658	$1036

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 — Sofia Shapatava

Spread

3.5pp

polymarket at 36.5% vs kalshi at 33.0%

Expected Value

+10.61%

Per $1 staked at kalshi (3.03) if polymarket's price is fair.

Kelly Stake

5.2%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: —
24h Volume: —
Liquidity: $468
Open Interest: —

Resolves: in 7d 2h

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 1h

Settlement Timeline

polymarketin 7d 2h · Jun 10, 2026, 4:15 PM
kalshiin 14d 1h · Jun 17, 2026, 3:00 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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