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Stale· updated 2m ago

ITF Champaign: Eli Stephenson vs Evan Bynoe

Other · July 24, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0.0

Platform Prices — Eli Stephenson

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
KalshiBest	2.94	34.0%	$0.34	---	Bet Here
Polymarket	2.78	36.0%	$0.36	+2.0pp	Bet Here

KalshiBest

$0.34

Odds

2.94

Implied

34.0%

Edge

---

Bet Here

Polymarket

$0.36

Odds

2.78

Implied

36.0%

Edge

+2.0pp

Bet Here

All Outcomes

Eli Stephenson

Best: 36.0% on polymarket

▲+2.0%

Prediction market is 2.0% cheaper than sportsbooks. Consider buying on PM.

36.0%

34.0%

Evan Bynoe

Best: 65.5% on kalshi

▲+1.5%

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

64.0%

65.5%

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.

Eli Stephenson

cheapest single venue: kalshi at 0.340

Retail tier ($5k/venue)

$6.0K@ 0.390 avg

+4.13% vs cheapest single venue

polymarket$1.0K @ 0.375

kalshi$5.0K @ 0.394

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

Sharp tier ($25k/venue)

$26.0K@ 0.652 avg

+73.96% vs cheapest single venue

polymarket$1.0K @ 0.375

kalshi

Arbitrage Opportunity

+2.04%theoretical onlyPAPER

Fillable up to $732

Eli Stephenson (kalshi, $347) — slippage 3.9% — eats into edge

Evan Bynoe (polymarket, $653) — slippage 2.2% — eats into edge

Outcome	Platform	Odds	Stake	To win
Eli Stephensonthin	kalshi	2.94	$347	$1020
Evan Bynoethin	polymarket	1.56	$653	$1021

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 — Eli Stephenson

Spread

2.0pp

polymarket at 36.0% vs kalshi at 34.0%

Expected Value

+5.88%

Per $1 staked at kalshi (2.94) if polymarket's price is fair.

Kelly Stake

3.0%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: —
24h Volume: —
Liquidity: $4.4K
Open Interest: —

Resolves: in 7d 4h

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

kalshi

updated just now

Volume: $248
24h Volume: $248
Liquidity: $0
Open Interest: $248

Resolves: in 14d 4h

Settlement Timeline

polymarketin 7d 4h · Jul 31, 2026, 5:00 PM
kalshiin 14d 4h · Aug 7, 2026, 5:00 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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