Noun
(baseball) Initialism of on-base percentage.
(programming, uncountable) Initialism of object-based programming.
Source: en.wiktionary.orgOBP is added to slugging average to determine on-base plus slugging (OPS). Source: Internet
Some argue that the OPS formula is flawed and that more weight should be shifted towards OBP (on-base percentage). Source: Internet
For calculations of OBP before 1954, or where sacrifice flies are not explicitly listed, the number of sacrifice flies should be assumed to be zero. Source: Internet