# Model/Policy Change

- Change ID:
- Policy ID:
- Source:
- Assumption:
- Unknown / Decision Required:
- Old Version Set:
- New Version Set:
- Formula / threshold diff:
- Characterization diff:
- Golden diff:
- Frozen OOS result:
- Cost x2 result:
- Market/asset/regime impact:
- False-exit/Reentry/ES impact:
- Rollback trigger:
- Quant/Risk approvers: