Main Ball vs Bonus Ball
A Lotto object split where main-ball fields and bonus-ball fields are interpreted as separate semantic layers.

Game Families glossary term
Main-ball and bonus-ball behavior are separate objects that must not be merged as one metric.
Why It Matters
Merging main and bonus layers can corrupt frequency and pressure interpretation.
How Stepzero Uses It
Stepzero treats main-ball and bonus-ball behavior as distinct objects with separate reporting context.
Example
Bonus-ball movement should not be reported as if it were a main-ball frequency signal.
Oracle Query Starters
- Separate main-ball and bonus-ball metrics for this game for AZ-FANTASY5 over the last 365 draws and all-time baseline.
- Which part of this answer comes from bonus-ball context for AZ-FANTASY5 over the last 365 draws and all-time baseline.
- Compare main-ball versus bonus-ball behavior this era for AZ-FANTASY5
Deep Dive
Also Called / Similar To
- main-plus-bonus split
- ball-layer separation