TennisUPCOMING

Live· updated 47s ago

Contrexeville: Alice Tubello vs Yufei Ren

Other · July 7, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0.0000000000000

Platform Prices — Alice Tubello

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
PolymarketBest	1.28	78.0%	$0.78	---	Bet Here
Kalshi	1.25	80.0%	$0.80	+2.0pp	Bet Here

PolymarketBest

$0.78

Odds

1.28

Implied

78.0%

Edge

---

Bet Here

Kalshi

$0.80

Odds

1.25

Implied

80.0%

Edge

+2.0pp

Bet Here

All Outcomes

Alice Tubello

Best: 80.0% on kalshi

▲+2.0%

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

78.0%

80.0%

Yufei Ren

Best: 22.1% on polymarket

▲+2.1%

Prediction market is 2.1% cheaper than sportsbooks. Consider buying on PM.

22.1%

20.0%

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.

Alice Tubello

cheapest single venue: polymarket at 0.780

Retail tier ($5k/venue)

$10.0K@ 0.809 avg

+1.35% vs cheapest single venue

polymarket$5.0K @ 0.798

kalshi$5.0K @ 0.820

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

Sharp tier ($25k/venue)

$30.0K@ 0.821 avg

+2.81% vs cheapest single venue

polymarket$5.0K @ 0.798

kalshi

Arbitrage Opportunity

+2.09%fillable risk-free returnEXECUTABLE

Stake split for $1,000 bankroll

Outcome	Platform	Odds	Stake	To win
Alice Tubellothin	polymarket	1.28	$796	$1021
Yufei Renthin	kalshi	5.00	$204	$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 — Alice Tubello

Spread

2.0pp

kalshi at 80.0% vs polymarket at 78.0%

Expected Value

+2.63%

Per $1 staked at polymarket (1.28) if kalshi's price is fair.

Kelly Stake

9.3%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: $870
24h Volume: $639
Liquidity: $19.1K
Open Interest: $1.2K

Resolves: in 7d 8h

Source: https://www.wtatennis.com/scores

kalshi

updated just now

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

Resolves: in 14d 10h

Settlement Timeline

polymarketin 7d 8h · Jul 14, 2026, 8:00 AM
kalshiin 14d 10h · Jul 21, 2026, 10:10 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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