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Let's award a batter 2 points for a single, 3 pts for a double, 4 pts for a triple, and 5 pts for a homerun.

To complete the statistic, let's award the batter 1 point for a walk, and 1 point if he is hit by the pitch.

Call it "Advanced Batting Index".

If we calculate a batter's average Advanced Batting Index, is this equivalent to OPS?

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I'm wondering if this is an accurate simplification of OPS or did I miss something in my calculation. –  dela_plata Mar 1 at 2:01

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up vote 4 down vote accepted

Not quite. The denominators are different for SLG and OBP, which makes combining the numerators more complicated than you're making it:

SLG = TB / AB

OBP = (H + BB + HBP) / (AB + BB + SF + HBP)

Take a look at the equations.

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OPS is on-base percentage + slugging/ at bats.

Slugging gives 1 for single, 2 for double, three for triple, four for HR. On base percentage give 1 for all those, 1 for walk and 1 for HBP.

So yours is OPS*At Bats.

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So if we calculate a batter's average Advanced Batting Index (average meaning we divide by AT BATS), would you agree it is OPS? –  dela_plata Mar 4 at 1:18

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