TennisUPCOMING

Live· updated 34s ago

ITF Kursumlijska Banja: Marie Mettraux vs Nina Radovanovic

Other · May 21, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0.000000

Platform Prices — Marie Mettraux

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
PolymarketBest	2.11	47.5%	$0.48	---	Bet Here
Kalshi	2.00	50.0%	$0.50	+2.5pp	Bet Here

PolymarketBest

$0.48

Odds

2.11

Implied

47.5%

Edge

---

Bet Here

Kalshi

$0.50

Odds

2.00

Implied

50.0%

Edge

+2.5pp

Bet Here

All Outcomes

Marie Mettraux

Best: 50.0% on kalshi

▲+2.5%

Prediction market is 2.5% cheaper than sportsbooks. Consider buying on PM.

47.5%

50.0%

Nina Radovanovic

Best: 53.0% on kalshi

▲+0.5%

Prediction market is 0.5% cheaper than sportsbooks. Consider buying on PM.

52.5%

53.0%

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.

Marie Mettraux

cheapest single venue: polymarket at 0.475

Retail tier ($5k/venue)

$5.0K@ 0.710 avg

+0.00% vs cheapest single venue

kalshi$5.0K @ 0.710

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

Sharp tier ($25k/venue)

$25.0K@ 0.872 avg

+0.00% vs cheapest single venue

kalshi$25.0K @ 0.872

Algo-trader tier — combines order-book depth and per-book stake limits at $25k each.

Whale tier (max known capacity)

Cross-Platform Edge — Marie Mettraux

Spread

2.5pp

kalshi at 50.0% vs polymarket at 47.5%

Expected Value

+5.26%

Per $1 staked at polymarket (2.11) if kalshi's price is fair.

Kelly Stake

4.8%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: $61
24h Volume: $61
Liquidity: $1.5K
Open Interest: $61

Resolves: in 7d 0h

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

kalshi

updated just now

Volume: $55
24h Volume: $55
Liquidity: $0
Open Interest: $55

Resolves: in 14d 1h

Settlement Timeline

polymarketin 7d 0h · May 28, 2026, 7:00 AM
kalshiin 14d 1h · Jun 4, 2026, 8:00 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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