Guaranteed Rate Field

Updated 2:03 AM ET

Guaranteed Rate Field is roughly neutral for home runs, with a BallBet HR park factor of 0.99 relative to a neutral park. Today: DET at CWS. The model's average home-run probability across hitters in this game is 13.9%.

Park factors

BallBet multi-year baselines relative to a neutral park.

Home runs

0.99

Runs

0.99

Doubles + triples

0.98

Singles

0.99

Today at this park

Model avg HR%

13.9%

DET at CWS

TBD vs TBD

Full matchup, pitchers & model reads →

Also hosting: Tomorrow (DET at CWS)

Frequently asked

Does Guaranteed Rate Field favor home runs?

Guaranteed Rate Field is roughly neutral for home runs relative to a neutral park, with a BallBet HR park factor of 0.99. The stadium baseline is a multi-year figure; same-day weather is layered on top for each game.

Who plays at Guaranteed Rate Field on 2026-09-18?

DET visit CWS.

See every park side by side on the tonight's parks board, or read what a park factor means.