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ITF Rancho Santa Fe: Spencer Johnson vs Youssef Kadiri Hassani

Other · July 9, 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
KalshiBest	1.10	91.0%	$0.91	---	Bet Here
Polymarket	1.08	93.0%	$0.93	+2.0pp	Bet Here

KalshiBest

$0.91

Odds

1.10

Implied

91.0%

Edge

---

Bet Here

Polymarket

$0.93

Odds

1.08

Implied

93.0%

Edge

+2.0pp

Bet Here

All Outcomes

Spencer Johnson

Best: 93.0% on polymarket

▲+2.0%

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

93.0%

91.0%

Youssef Kadiri Hassani

Best: 9.0% on kalshi

▲+2.0%

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

7.0%

9.0%

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: kalshi at 0.910

Retail tier ($5k/venue)

$5.0K@ 0.981 avg

+0.00% vs cheapest single venue

kalshi$5.0K @ 0.981

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

Sharp tier ($25k/venue)

$25.0K@ 0.988 avg

-0.00% vs cheapest single venue

kalshi$25.0K @ 0.988

Algo-trader tier — combines order-book depth and per-book stake limits at $25k each.

Whale tier (max known capacity)

Arbitrage Opportunity

+2.04%theoretical onlyPAPER

Stake split for $1,000 bankroll

Youssef Kadiri Hassani (polymarket, $71) — not enough depth at $71 — fillable up to $7

Outcome	Platform	Odds	Stake	To win
Spencer Johnsonthin	kalshi	1.10	$929	$1021
Youssef Kadiri Hassanithin	polymarket	14.29	$71	$1020

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

2.0pp

polymarket at 93.0% vs kalshi at 91.0%

Expected Value

+2.20%

Per $1 staked at kalshi (1.10) if polymarket's price is fair.

Kelly Stake

22.2%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: $107
24h Volume: $107
Liquidity: $129
Open Interest: $107

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 · Jul 16, 2026, 7:00 PM
kalshiin 14d 5h · Jul 23, 2026, 7:00 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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