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ITF Nivelles: Eric Vanshelboim vs Niklas Schell

Other · June 29, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0K

Platform Prices — Eric Vanshelboim

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
PolymarketBest	1.38	72.5%	$0.73	---	Bet Here
Kalshi	1.32	76.0%	$0.76	+3.5pp	Bet Here

PolymarketBest

$0.73

Odds

1.38

Implied

72.5%

Edge

---

Bet Here

Kalshi

$0.76

Odds

1.32

Implied

76.0%

Edge

+3.5pp

Bet Here

All Outcomes

Eric Vanshelboim

Best: 76.0% on kalshi

▲+3.5%

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

72.5%

76.0%

Niklas Schell

Best: 27.5% on polymarket

▲+4.5%

Prediction market is 4.5% cheaper than sportsbooks. Consider buying on PM.

27.5%

23.0%

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.

Eric Vanshelboim

cheapest single venue: polymarket at 0.725

Retail tier ($5k/venue)

$10.0K@ 0.803 avg

+1.07% vs cheapest single venue

kalshi$5.0K @ 0.795

polymarket$5.0K @ 0.812

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

Sharp tier ($25k/venue)

$30.0K@ 0.826 avg

+1.75% vs cheapest single venue

polymarket$5.0K @ 0.812

kalshi

Arbitrage Opportunity

+4.71%theoretical onlyPAPER

Fillable up to $212

Niklas Schell (kalshi, $241) — slippage 76.9% > 10% cap — fillable up to $51

Outcome	Platform	Odds	Stake	To win
Eric Vanshelboim	polymarket	1.38	$759	$1047
Niklas Schellthin	kalshi	4.35	$241	$1047

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 — Eric Vanshelboim

Spread

3.5pp

kalshi at 76.0% vs polymarket at 72.5%

Expected Value

+4.83%

Per $1 staked at polymarket (1.38) if kalshi's price is fair.

Kelly Stake

12.7%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: $1.6K
24h Volume: $1.6K
Liquidity: $12.9K
Open Interest: $1.5K

Resolves: in 7d 0h

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

kalshi

updated just now

Volume: $47
24h Volume: $47
Liquidity: $0
Open Interest: $47

Resolves: in 14d 0h

Settlement Timeline

polymarketin 7d 0h · Jul 6, 2026, 1:30 PM
kalshiin 14d 0h · Jul 13, 2026, 1:30 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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