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ITF Rancho Santa Fe: Ekaterina Khayrutdinova vs Brandelyn Fulgenzi

Other · July 21, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0.00000000000000

Platform Prices — Ekaterina Khayrutdinova

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
KalshiBest	1.27	79.0%	$0.79	---	Bet Here
Polymarket	1.24	80.5%	$0.81	+1.5pp	Bet Here

KalshiBest

$0.79

Odds

1.27

Implied

79.0%

Edge

---

Bet Here

Polymarket

$0.81

Odds

1.24

Implied

80.5%

Edge

+1.5pp

Bet Here

All Outcomes

Ekaterina Khayrutdinova

Best: 80.5% on polymarket

▲+1.5%

Prediction market is 1.5% cheaper than sportsbooks. Consider buying on PM.

80.5%

79.0%

Brandelyn Fulgenzi

Best: 22.0% on kalshi

▲+2.5%

Prediction market is 2.5% cheaper than sportsbooks. Consider buying on PM.

19.5%

22.0%

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.

Ekaterina Khayrutdinova

cheapest single venue: kalshi at 0.790

Retail tier ($5k/venue)

$10.0K@ 0.849 avg

+0.17% vs cheapest single venue

polymarket$5.0K @ 0.847

kalshi$5.0K @ 0.850

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

Sharp tier ($25k/venue)

$30.0K@ 0.862 avg

+1.79% vs cheapest single venue

polymarket$5.0K @ 0.847

Arbitrage Opportunity

+1.52%theoretical onlyPAPER

Stake split for $1,000 bankroll

Brandelyn Fulgenzi (polymarket, $198) — slippage 57.8% > 10% cap — fillable up to $2

Outcome	Platform	Odds	Stake	To win
Ekaterina Khayrutdinovathin	kalshi	1.27	$802	$1015
Brandelyn Fulgenzithin	polymarket	5.13	$198	$1015

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 — Ekaterina Khayrutdinova

Spread

1.5pp

polymarket at 80.5% vs kalshi at 79.0%

Expected Value

+1.90%

Per $1 staked at kalshi (1.27) if polymarket's price is fair.

Kelly Stake

7.1%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: $363
24h Volume: $363
Liquidity: $4.6K
Open Interest: $363

Resolves: in 7d 8h

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

kalshi

updated just now

Volume: $7
24h Volume: $7
Liquidity: $0
Open Interest: $6

Resolves: in 14d 8h

Settlement Timeline

polymarketin 7d 8h · Jul 28, 2026, 11:15 PM
kalshiin 14d 8h · Aug 4, 2026, 11:00 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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