32% — Atalanta vs Lazio Winner
Kalshi 33% · Polymarket 28% · 4 contracts · $567 volume · medium confidence
Updated 2026-05-09 07:21:55 UTC

Cross-venue gap: 5pp (Kalshi higher)

Why this matters:
This 31% probability indicates that prediction market participants see Atalanta as roughly a 1-in-3 favorite to win against Lazio in an upcoming match. The pricing reflects Atalanta's recent form and table positioning in Serie A, though the modest 3 percentage-point gap between venues suggests genuine uncertainty rather than consensus. The outcome will be determined by head-to-head performance on match day, with factors like team injuries, tactical adjustments, and recent winning streaks influencing odds. Resolution occurs immediately upon match completion, making this a straightforward binary event tied to a specific fixture with no external variables affecting the result once play begins.

Key factors:
- Atalanta's current Serie A standing and recent form against top-half teams compared to Lazio's defensive record
- Injury status of key players on both squads, particularly in midfield and attack, which affects team composition for match day
- Home/away advantage if applicable, and historical head-to-head record in direct matchups
- Volume concentration on related contracts (notably Lazio vs Inter at 53¢ and 20¢) suggests market may be pricing Atalanta uncertainty differently across competition contexts
- The cross-venue gap of 3 percentage points between Kalshi and Polymarket indicates limited arbitrage opportunity and moderate confidence in the 31% level

Contracts:
- Milan vs Atalanta Winner?: Atalanta — 25¢ Kalshi $388 (weight 68%)
- Milan vs Atalanta Winner?: Milan — 46¢ Kalshi $179 (weight 32%)
- Coppa Italia: Winner: Lazio — 28¢ Polymarket $0 (weight 0%)
- Milan vs Atalanta Winner?: Tie — 27¢ Kalshi $0 (weight 0%)

Cite as: "32% per prediction markets (SimpleFunctions, May 2026)"
Canonical: https://simplefunctions.dev/answer/coppaitaliagame
Full data: https://simplefunctions.dev/api/public/query?q=Atalanta%20vs%20Lazio%20Winner
Provider: SimpleFunctions — https://simplefunctions.dev