TennisUPCOMING

Stale· updated 5m ago

ITF Monastir: Toufik Sahtali vs Karim Mabrouk

Other · July 16, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

Platform Prices — Toufik Sahtali

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
PolymarketBest	2.06	48.5%	$0.49	---	Bet Here
Kalshi	1.09	92.0%	$0.92	+43.5pp	Bet Here

PolymarketBest

$0.49

Odds

2.06

Implied

48.5%

Edge

---

Bet Here

Kalshi

$0.92

Odds

1.09

Implied

92.0%

Edge

+43.5pp

Bet Here

All Outcomes

Toufik Sahtali

Best: 92.0% on kalshi

▲+43.5%

Prediction market is 43.5% cheaper than sportsbooks. Consider buying on PM.

48.5%

92.0%

Karim Mabrouk

Best: 51.5% on polymarket

▲+43.5%

Prediction market is 43.5% cheaper than sportsbooks. Consider buying on PM.

51.5%

8.0%

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.

Toufik Sahtali

cheapest single venue: polymarket at 0.485

Retail tier ($5k/venue)

$6.0K@ 0.933 avg

+0.82% vs cheapest single venue

kalshi$5.0K @ 0.926

polymarket$1.0K @ 0.971

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

Sharp tier ($25k/venue)

$26.0K@ 0.949 avg

+0.09% vs cheapest single venue

kalshi$25.0K @ 0.948

polymarket

Arbitrage Opportunity

+76.99%theoretical onlyPAPER

Fillable up to $112

Toufik Sahtali (polymarket, $858) — slippage 3.3% — eats into edge

Karim Mabrouk (kalshi, $142) — slippage 98.1% > 10% cap — fillable up to $16

Outcome	Platform	Odds	Stake	To win
Toufik Sahtalithin	polymarket	2.06	$858	$1770
Karim Mabroukthin	kalshi	12.50	$142	$1770

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 — Toufik Sahtali

Spread

43.5pp

kalshi at 92.0% vs polymarket at 48.5%

Expected Value

+89.69%

Per $1 staked at polymarket (2.06) if kalshi's price is fair.

Kelly Stake

25.0%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: —
24h Volume: —
Liquidity: $291
Open Interest: —

Resolves: in 7d 8h

Source: https://www.itftennis.com/en/tournament-calendar/

kalshi

updated just now

Volume: $42
24h Volume: $42
Liquidity: $0
Open Interest: $42

Resolves: in 14d 8h

Settlement Timeline

polymarketin 7d 8h · Jul 23, 2026, 8:00 AM
kalshiin 14d 8h · Jul 30, 2026, 8:00 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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