The Booster Bullpen Market Index
The Booster Bullpen Market Index (BBMI) tracks the sealed Magic booster-box market in one number, with daily index value, breadth, era composition and history.
Current index reading
- Index value
- 111.60
- Snapshot date
- 2026-10-06
- Methodology version
- v1.3
- Basket size
- 216
- Advancers
- 64
- Decliners
- 36
- Unchanged
- 116
- Move over last 128 sessions
- +11.60%
Recent index history
| Date | Index value |
|---|---|
| 2026-09-23 | 111.01 |
| 2026-09-24 | 111.05 |
| 2026-09-25 | 111.16 |
| 2026-09-26 | 111.18 |
| 2026-09-27 | 111.25 |
| 2026-09-28 | 111.29 |
| 2026-09-29 | 111.37 |
| 2026-09-30 | 111.42 |
| 2026-10-01 | 111.47 |
| 2026-10-02 | 111.47 |
| 2026-10-03 | 111.51 |
| 2026-10-04 | 111.52 |
| 2026-10-05 | 111.56 |
| 2026-10-06 | 111.60 |
How the index is built
The BBMI is an equal-weighted daily index of sealed booster boxes spanning Modern, Vintage and Recent eras. It is recomputed once per day against fresh multi-source price aggregates. Full construction rules, including the winsorization applied to damp single product spikes, are documented on the Methodology page.