K% / K%

Batter

Strikeouts as a share of plate appearances, counting strikeout_double_play.

Agreement with Savant

Checked nightly. Agreement tolerance: ±0.

Pitcher

Strikeouts against opposing batters as a share of batters faced, counting strikeout_double_play.

Agreement with Savant

Checked nightly. Agreement tolerance: ±0.

Shown for: batter and pitcher.

Formula

sum(so)::real / NULLIF(sum(pa), 0) — strikeouts, including strikeout_double_play, over plate appearances. Divides by pa, not the wOBA denominator.

Inputs

plate_appearances.so
plate_appearances.pa

Era caveats

None recorded.

Version history

2026-08-13 — Added with the traditional core line. Measured against the wOBA-denominator alternative and kept on pa: 673/673 against 334/673. (runbook §19)