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Internazionali BNL d'Italia, Qualification: Francisco Comesana vs Billy Harris

Other · May 4, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0K

Platform Prices — Francisco Comesana

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
KalshiBest	1.22	82.0%	$0.82	---	Bet Here
Polymarket	1.20	83.5%	$0.84	+1.5pp	Bet Here

KalshiBest

$0.82

Odds

1.22

Implied

82.0%

Edge

---

Bet Here

Polymarket

$0.84

Odds

1.20

Implied

83.5%

Edge

+1.5pp

Bet Here

All Outcomes

Francisco Comesana

Best: 83.5% on polymarket

▲+1.5%

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

83.5%

82.0%

Billy Harris

Best: 18.0% on kalshi

▲+1.5%

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

16.5%

18.0%

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.

Francisco Comesana

cheapest single venue: kalshi at 0.820

Retail tier ($5k/venue)

$10.0K@ 0.836 avg

+0.94% vs cheapest single venue

kalshi$5.0K @ 0.828

polymarket$5.0K @ 0.844

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

Sharp tier ($25k/venue)

$50.0K@ 0.840 avg

+0.50% vs cheapest single venue

kalshi$25.0K @ 0.836

Arbitrage Opportunity

+1.52%theoretical onlyPAPER

Stake split for $1,000 bankroll

Billy Harris (polymarket, $168) — slippage 18.5% > 10% cap

Outcome	Platform	Odds	Stake	To win
Francisco Comesanathin	kalshi	1.22	$833	$1016
Billy Harristhin	polymarket	6.06	$168	$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 — Francisco Comesana

Spread

1.5pp

polymarket at 83.5% vs kalshi at 82.0%

Expected Value

+1.83%

Per $1 staked at kalshi (1.22) if polymarket's price is fair.

Kelly Stake

8.3%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: $634
24h Volume: $634
Liquidity: $11.2K
Open Interest: $554

Resolves: in 7d 0h

Source: https://www.atptour.com/en/scores/current

kalshi

updated just now

Volume: $27.6K
24h Volume: $27.5K
Liquidity: $0
Open Interest: $27.2K

Resolves: in 14d 0h

Settlement Timeline

polymarketin 7d 0h · May 11, 2026, 8:00 AM
kalshiin 14d 0h · May 18, 2026, 8:00 AM

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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