TennisUPCOMING

Live· updated 29s ago

ITF Monastir: Chelsea Fontenel vs Denise Valente

Other · July 8, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0.000000000000000

Platform Prices — Chelsea Fontenel

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
PolymarketBest	1.19	84.0%	$0.84	---	Bet Here
Kalshi	1.14	87.5%	$0.88	+3.5pp	Bet Here

PolymarketBest

$0.84

Odds

1.19

Implied

84.0%

Edge

---

Bet Here

Kalshi

$0.88

Odds

1.14

Implied

87.5%

Edge

+3.5pp

Bet Here

All Outcomes

Chelsea Fontenel

Best: 87.5% on kalshi

▲+3.5%

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

84.0%

87.5%

Denise Valente

Best: 16.0% on polymarket

▲+3.5%

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

16.0%

12.5%

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.

Chelsea Fontenel

cheapest single venue: polymarket at 0.840

Retail tier ($5k/venue)

$10.0K@ 0.901 avg

+0.90% vs cheapest single venue

polymarket$5.0K @ 0.893

kalshi$5.0K @ 0.909

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

Sharp tier ($25k/venue)

$30.0K@ 0.926 avg

+3.74% vs cheapest single venue

polymarket$5.0K @ 0.893

kalshi

Arbitrage Opportunity

+3.63%theoretical onlyPAPER

Fillable up to $315

Denise Valente (kalshi, $130) — slippage 72.7% > 10% cap — fillable up to $41

Outcome	Platform	Odds	Stake	To win
Chelsea Fontenelthin	polymarket	1.19	$871	$1036
Denise Valentethin	kalshi	8.00	$130	$1036

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 — Chelsea Fontenel

Spread

3.5pp

kalshi at 87.5% vs polymarket at 84.0%

Expected Value

+4.17%

Per $1 staked at polymarket (1.19) if kalshi's price is fair.

Kelly Stake

21.9%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: $23
24h Volume: $23
Liquidity: $1.4K
Open Interest: $23

Resolves: in 7d 9h

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 9h

Settlement Timeline

polymarketin 7d 9h · Jul 15, 2026, 10:30 AM
kalshiin 14d 9h · Jul 22, 2026, 10:30 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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