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Stale· updated 3m ago

ITF Santa Fe: Malaika Rapolu vs Mayu Crossley

Other · July 24, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

Platform Prices — Malaika Rapolu

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
KalshiBest	1.79	56.0%	$0.56	---	Bet Here
Polymarket	1.71	58.5%	$0.59	+2.5pp	Bet Here

KalshiBest

$0.56

Odds

1.79

Implied

56.0%

Edge

---

Bet Here

Polymarket

$0.59

Odds

1.71

Implied

58.5%

Edge

+2.5pp

Bet Here

All Outcomes

Malaika Rapolu

Best: 58.5% on polymarket

▲+2.5%

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

58.5%

56.0%

Mayu Crossley

Best: 41.5% on polymarket

▲+0.5%

Prediction market is 0.5% cheaper than sportsbooks. Consider buying on PM.

41.5%

41.0%

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.

Malaika Rapolu

cheapest single venue: kalshi at 0.560

Retail tier ($5k/venue)

$10.0K@ 0.728 avg

+16.77% vs cheapest single venue

kalshi$5.0K @ 0.623

polymarket$5.0K @ 0.832

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

Sharp tier ($25k/venue)

$30.0K@ 0.832 avg

+0.01% vs cheapest single venue

kalshi$25.0K @ 0.832

polymarket

Arbitrage Opportunity

+3.09%theoretical onlyPAPER

Stake split for $1,000 bankroll

Malaika Rapolu (kalshi, $577) — slippage 4.4% — eats into edge

Mayu Crossley (kalshi, $423) — slippage 28.0% > 10% cap — fillable up to $3

Outcome	Platform	Odds	Stake	To win
Malaika Rapoluthin	kalshi	1.79	$577	$1031
Mayu Crossleythin	kalshi	2.44	$423	$1031

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 — Malaika Rapolu

Spread

2.5pp

polymarket at 58.5% vs kalshi at 56.0%

Expected Value

+4.46%

Per $1 staked at kalshi (1.79) if polymarket's price is fair.

Kelly Stake

5.7%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

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

Resolves: in 7d 5h

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 5h

Settlement Timeline

polymarketin 7d 5h · Jul 31, 2026, 6:00 PM
kalshiin 14d 5h · Aug 7, 2026, 6:00 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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