US Market Bubble Detection Skill (Revised v2.1) Key Revisions in v2.1 Critical Changes from v2.0: 1. ✅ Mandatory Quantitative Data Collection - Use measured values, not impressions or speculation 2. ✅ Clear Threshold Settings - Specific numerical criteria for each indicator 3. ✅ Two-Phase Evaluation Process - Quantitative evaluation → Qualitative adjustment (strict order) 4. ✅ Stricter Qualitative Criteria - Max +3 points (reduced from +5), requires measurable evidence 5. ✅ Confirmation Bias Prevention - Explicit checklist to avoid over-scoring 6. ✅ Granular Risk Phases - Added "Elevated Risk…