Brand price index
ECM
Starts at 100 in May 2026
Index level
115.4
+15.4%
since May 2026
as of August 2026
- 1 month
- 0.0%
- 3 months
- +15.4%
- 12 months
- —
Price barometer
Fair price
Now · 115.4
Low 100.0
High 129.6
Where the index sits between its lowest and highest level so far.
What this index is built from
- Parts tracked
- 450
- Parts with price history
- 428
- Parts moving the index
- 11
- Monthly price points
- 850
- Asking prices seen
- 5150
How to read this index
The level starts at 100. 110 means the parts in this index cost about 10% more than at the start; 95 means about 5% less.
It follows price changes, not price levels: each month it moves by the typical change of the parts that were priced both that month and the month before, so a few very expensive parts never dominate it, and parts coming and going don't move it on their own.
1, 3 and 12 months show the change over that period. The barometer shows where today's level sits between the index's lowest and highest point.
Month by month
| Month | Index level | Change | Parts priced |
|---|---|---|---|
| August 2026 | 115.4 | 0.0% | 8 (too few) |
| July 2026 | 115.4 | -11.0% | 11 |
| June 2026 | 129.6 | +29.6% | 11 |
| May 2026 | 100.0 | Start (100) | — |