TennisUPCOMING

Live· updated 40s ago

Internazionali BNL d'Italia: Roberto Bautista Agut vs Francesco Maestrelli

Other · May 6, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0K

Platform Prices — Roberto Bautista Agut

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
PolymarketBest	1.57	63.5%	$0.64	---	Bet Here
Kalshi	1.54	65.0%	$0.65	+1.5pp	Bet Here

PolymarketBest

$0.64

Odds

1.57

Implied

63.5%

Edge

---

Bet Here

Kalshi

$0.65

Odds

1.54

Implied

65.0%

Edge

+1.5pp

Bet Here

All Outcomes

Roberto Bautista Agut

Best: 65.0% on kalshi

▲+1.5%

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

63.5%

65.0%

Francesco Maestrelli

Best: 36.5% on polymarket

▲+1.0%

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

36.5%

35.5%

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.

Roberto Bautista Agut

cheapest single venue: polymarket at 0.635

Retail tier ($5k/venue)

$10.0K@ 0.655 avg

+0.81% vs cheapest single venue

kalshi$5.0K @ 0.650

polymarket$5.0K @ 0.661

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

Sharp tier ($25k/venue)

$50.0K@ 0.683 avg

+4.94% vs cheapest single venue

kalshi$25.0K @ 0.651

Arbitrage Opportunity

+1.01%theoretical onlyPAPER

Stake split for $1,000 bankroll

Roberto Bautista Agut (polymarket, $641) — slippage 2.5% — eats into edge

Francesco Maestrelli (kalshi, $359) — slippage 2.5% — eats into edge

Outcome	Platform	Odds	Stake	To win
Roberto Bautista Agutthin	polymarket	1.57	$641	$1010
Francesco Maestrellithin	kalshi	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 — Roberto Bautista Agut

Spread

1.5pp

kalshi at 65.0% vs polymarket at 63.5%

Expected Value

+2.36%

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

Kelly Stake

4.1%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: $3.6K
24h Volume: $286
Liquidity: $58.4K
Open Interest: $2.3K

Resolves: in 6d 21h

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

kalshi

updated just now

Volume: $896
24h Volume: $896
Liquidity: $0
Open Interest: $896

Resolves: in 13d 21h

Settlement Timeline

polymarketin 6d 21h · May 13, 2026, 9:00 AM
kalshiin 13d 21h · May 20, 2026, 9:00 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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