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Stale· updated 3m ago

ITF Huamantla: Oliver Sanders vs Preston Brown

Other · July 24, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0.00

Platform Prices — Oliver Sanders

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
PolymarketBest	2.04	49.0%	$0.49	---	Bet Here
Kalshi	1.89	53.0%	$0.53	+4.0pp	Bet Here

PolymarketBest

$0.49

Odds

2.04

Implied

49.0%

Edge

---

Bet Here

Kalshi

$0.53

Odds

1.89

Implied

53.0%

Edge

+4.0pp

Bet Here

All Outcomes

Oliver Sanders

Best: 53.0% on kalshi

▲+4.0%

Prediction market is 4.0% cheaper than sportsbooks. Consider buying on PM.

49.0%

53.0%

Preston Brown

Best: 51.0% on polymarket

▲+3.5%

Prediction market is 3.5% cheaper than sportsbooks. Consider buying on PM.

51.0%

47.5%

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.

Oliver Sanders

cheapest single venue: polymarket at 0.490

Retail tier ($5k/venue)

$6.0K@ 0.576 avg

+1.70% vs cheapest single venue

polymarket$1.0K @ 0.566

kalshi$5.0K @ 0.578

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

Sharp tier ($25k/venue)

$26.0K@ 0.662 avg

+16.89% vs cheapest single venue

polymarket$1.0K @ 0.566

kalshi

Arbitrage Opportunity

+3.63%theoretical onlyPAPER

Fillable up to $113

Oliver Sanders (polymarket, $508) — slippage 6.8% — eats into edge

Outcome	Platform	Odds	Stake	To win
Oliver Sandersthin	polymarket	2.04	$508	$1036
Preston Brownthin	kalshi	2.10	$492	$1036

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 — Oliver Sanders

Spread

4.0pp

kalshi at 53.0% vs polymarket at 49.0%

Expected Value

+8.16%

Per $1 staked at polymarket (2.04) if kalshi's price is fair.

Kelly Stake

7.8%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: —
24h Volume: —
Liquidity: $4.2K
Open Interest: —

Resolves: in 7d 2h

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

kalshi

updated just now

Volume: $453
24h Volume: $0
Liquidity: $0
Open Interest: $371

Resolves: in 14d 2h

Settlement Timeline

polymarketin 7d 2h · Jul 31, 2026, 3:30 PM
kalshiin 14d 2h · Aug 7, 2026, 3:30 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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