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ITF Claremont: Spencer Johnson vs Ronit Karki

Other · June 24, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0.000000

Platform Prices — Spencer Johnson

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
PolymarketBest	1.20	83.5%	$0.84	---	Bet Here
KalshiBest	1.19	84.0%	$0.84	+0.5pp	Bet Here

PolymarketBest

$0.84

Odds

1.20

Implied

83.5%

Edge

---

Bet Here

KalshiBest

$0.84

Odds

1.19

Implied

84.0%

Edge

+0.5pp

Bet Here

All Outcomes

Spencer Johnson

Best: 84.0% on kalshi

▲+0.5%

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

83.5%

84.0%

Ronit Karki

Best: 16.5% on polymarket

▲+0.5%

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

16.5%

16.0%

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.

Spencer Johnson

cheapest single venue: polymarket at 0.835

Retail tier ($5k/venue)

$6.0K@ 0.862 avg

+0.24% vs cheapest single venue

kalshi$5.0K @ 0.860

polymarket$1.0K @ 0.873

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

Sharp tier ($25k/venue)

$26.0K@ 0.868 avg

+0.02% vs cheapest single venue

kalshi$25.0K @ 0.868

polymarket

Arbitrage Opportunity

+0.50%theoretical onlyPAPER

Stake split for $1,000 bankroll

Spencer Johnson (polymarket, $839) — slippage 3.9% — eats into edge

Ronit Karki (kalshi, $161) — slippage 2.1% — eats into edge

Outcome	Platform	Odds	Stake	To win
Spencer Johnsonthin	polymarket	1.20	$839	$1005
Ronit Karkithin	kalshi	6.25	$161	$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 — Spencer Johnson

Spread

0.5pp

kalshi at 84.0% vs polymarket at 83.5%

Expected Value

+0.60%

Per $1 staked at polymarket (1.20) if kalshi's price is fair.

Kelly Stake

3.0%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: $32
24h Volume: $32
Liquidity: $404
Open Interest: $32

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 7h

Settlement Timeline

polymarketin 7d 9h · Jul 1, 2026, 11:15 PM
kalshiin 14d 7h · Jul 8, 2026, 8:30 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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