TennisUPCOMING

Stale· updated 5m ago

ITF Granby: Erika Sema vs Cadence Brace

Other · July 16, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0.000000

Platform Prices — Erika Sema

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
PolymarketBest	6.90	14.5%	$0.14	+1.0pp	Bet Here
KalshiBest	7.41	13.5%	$0.14	---	Bet Here

PolymarketBest

$0.14

Odds

6.90

Implied

14.5%

Edge

+1.0pp

Bet Here

KalshiBest

$0.14

Odds

7.41

Implied

13.5%

Edge

---

Bet Here

All Outcomes

Erika Sema

Best: 14.5% on polymarket

▲+1.0%

Prediction market is 1.0% cheaper than sportsbooks. Consider buying on PM.

14.5%

13.5%

Cadence Brace

Best: 86.5% on kalshi

▲+1.0%

Prediction market is 1.0% cheaper than sportsbooks. Consider buying on PM.

85.5%

86.5%

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.

Erika Sema

cheapest single venue: kalshi at 0.135

Retail tier ($5k/venue)

$10.0K@ 0.442 avg

+3.58% vs cheapest single venue

polymarket$5.0K @ 0.427

kalshi$5.0K @ 0.457

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

Sharp tier ($25k/venue)

$30.0K@ 0.666 avg

+56.07% vs cheapest single venue

polymarket$5.0K @ 0.427

kalshi

Arbitrage Opportunity

+1.01%theoretical onlyPAPER

Fillable up to $308

Erika Sema (kalshi, $136) — slippage 32.5% > 10% cap — fillable up to $42

Outcome	Platform	Odds	Stake	To win
Erika Semathin	kalshi	7.41	$136	$1010
Cadence Bracethin	polymarket	1.17	$864	$1010

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 — Erika Sema

Spread

1.0pp

polymarket at 14.5% vs kalshi at 13.5%

Expected Value

+7.41%

Per $1 staked at kalshi (7.41) if polymarket's price is fair.

Kelly Stake

1.2%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: $8
24h Volume: $8
Liquidity: $8.1K
Open Interest: $8

Resolves: in 7d 10h

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 10h

Settlement Timeline

polymarketin 7d 10h · Jul 23, 2026, 10:00 PM
kalshiin 14d 10h · Jul 30, 2026, 10:00 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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