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Stale· updated 2m ago

ITF Champaign: Tighe Brunetti vs Nikita Samuel Filin

Other · July 21, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0.00000

Platform Prices — Tighe Brunetti

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
KalshiBest	10.53	9.5%	$0.10	---	Bet Here
Polymarket	9.09	11.0%	$0.11	+1.5pp	Bet Here

KalshiBest

$0.10

Odds

10.53

Implied

9.5%

Edge

---

Bet Here

Polymarket

$0.11

Odds

9.09

Implied

11.0%

Edge

+1.5pp

Bet Here

All Outcomes

Tighe Brunetti

Best: 11.0% on polymarket

▲+1.5%

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

11.0%

9.5%

Nikita Samuel Filin

Best: 89.0% on polymarket

▲+1.0%

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

89.0%

88.0%

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.

Tighe Brunetti

cheapest single venue: kalshi at 0.095

Retail tier ($5k/venue)

$6.0K@ 0.249 avg

+20.54% vs cheapest single venue

polymarket$1.0K @ 0.206

kalshi$5.0K @ 0.257

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

Sharp tier ($25k/venue)

$26.0K@ 0.553 avg

+167.85% vs cheapest single venue

polymarket$1.0K @ 0.206

kalshi

Arbitrage Opportunity

+2.56%theoretical onlyPAPER

Stake split for $1,000 bankroll

Tighe Brunetti (kalshi, $97) — slippage 11.0% > 10% cap — fillable up to $3

Outcome	Platform	Odds	Stake	To win
Tighe Brunettithin	kalshi	10.53	$97	$1025
Nikita Samuel Filinthin	kalshi	1.14	$903	$1025

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 — Tighe Brunetti

Spread

1.5pp

polymarket at 11.0% vs kalshi at 9.5%

Expected Value

+15.79%

Per $1 staked at kalshi (10.53) if polymarket's price is fair.

Kelly Stake

1.7%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: $71
24h Volume: $71
Liquidity: $5.4K
Open Interest: $71

Resolves: in 7d 4h

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

kalshi

updated just now

Volume: $52
24h Volume: $52
Liquidity: $0
Open Interest: $46

Resolves: in 14d 3h

Settlement Timeline

polymarketin 7d 4h · Jul 28, 2026, 6:15 PM
kalshiin 14d 3h · Aug 4, 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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