Park HR factor
How HR-friendly this park has been vs league average. 100 = neutral, > 100 helps hitters, < 100 hurts.
What Park HR factor means
Index relative to league baseline. Coors Field sits ~125 for HR; pitcher-friendly parks like Petco can run 85-90. We also break this out by handedness when sample is large enough.
What counts as a good Park HR factor
Higher is better — roughly 90 is poor, 100 average, 110 good, and 120 or better elite.
Also written
hr_index · hr_factor