TennisUPCOMING

Live· updated 1m ago

ITF Kosice: Martyna Kubka vs Nina Vargova

Other · May 21, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

Platform Prices — Martyna Kubka

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
KalshiBest	1.74	57.5%	$0.57	---	Bet Here
Polymarket	1.72	58.0%	$0.58	+0.5pp	Bet Here

KalshiBest

$0.57

Odds

1.74

Implied

57.5%

Edge

---

Bet Here

Polymarket

$0.58

Odds

1.72

Implied

58.0%

Edge

+0.5pp

Bet Here

All Outcomes

Martyna Kubka

Best: 58.0% on polymarket

▲+0.5%

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

58.0%

57.5%

Nina Vargova

Best: 42.5% on kalshi

▲+0.5%

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

42.0%

42.5%

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.

Martyna Kubka

cheapest single venue: kalshi at 0.575

Retail tier ($5k/venue)

$10.0K@ 0.700 avg

+13.36% vs cheapest single venue

kalshi$5.0K @ 0.618

polymarket$5.0K @ 0.783

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

Sharp tier ($25k/venue)

$50.0K@ 0.775 avg

+0.95% vs cheapest single venue

kalshi$25.0K @ 0.768

polymarket

Arbitrage Opportunity

+0.50%theoretical onlyPAPER

Stake split for $1,000 bankroll

Nina Vargova (polymarket, $422) — not enough depth at $422

Outcome	Platform	Odds	Stake	To win
Martyna Kubkathin	kalshi	1.74	$578	$1005
Nina Vargovathin	polymarket	2.38	$422	$1005

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 — Martyna Kubka

Spread

0.5pp

polymarket at 58.0% vs kalshi at 57.5%

Expected Value

+0.87%

Per $1 staked at kalshi (1.74) if polymarket's price is fair.

Kelly Stake

1.2%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: —
24h Volume: —
Liquidity: $1.8K
Open Interest: —

Resolves: in 7d 5h

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

kalshi

updated just now

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

Resolves: in 14d 5h

Settlement Timeline

polymarketin 7d 5h · May 28, 2026, 12:00 PM
kalshiin 14d 5h · Jun 4, 2026, 12:00 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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