Starting to, yes: the Arizona Diamondbacks Doom Index sits at 29 out of 100 today (Bracing), down 3.8 since yesterday. Things are trending the wrong way: the fanbase is bracing. At 80-73, that makes them the 2nd most doomed fanbase in baseball right now.
The biggest drag on the number is Playoff Pulse at 0; the bright spot is Run Prevention at 67. Every signal measures deviation from the Diamondbacks' own season baseline: this is a mood ring, not a power ranking.
| Signal | Score (0–100) |
|---|---|
| Momentum | 46 |
| Offense | 24 |
| Run Prevention | 67 |
| Playoff Pulse | 0 |
| Regression Watch | 31 |
| Hope Premium | 24 |
Should the Diamondbacks panic?
Starting to, yes. The Arizona Diamondbacks Doom Index is 29 out of 100 today: the Bracing zone. Things are trending the wrong way: the fanbase is bracing.
What is the Diamondbacks Doom Index today?
29 out of 100 as of September 18, 2026, in the Bracing zone. 0 is doomed, 100 is refuse-to-lose, measured against the Diamondbacks' own baseline.
How is the Doom Index calculated?
Six daily signals: momentum, offense, run prevention, playoff odds, regression risk, and the market's hope premium (Polymarket vs FanGraphs), each normalized against the team's own season history and blended into one 0–100 number.