Powerball Matrix Eras

Every rule change the archive covers

A lottery that changes its pool becomes, statistically, a different game. These are the matrices Powerball has used, in order. Every count and every generated line on this site uses the current one.

5/69 + PB 1-26 current 2015-10-07 → today

MUSL Powerball Group Rules: "to be effective with the October 7, 2015 drawing".

5/59 + PB 1-35 2012-01-18 → 2015-10-06

MUSL Powerball Group Rules: "effective for draws beginning January 18, 2012".

5/59 + PB 1-39 2010-02-03 → 2012-01-17

End fixed by the confirmed start of the following era; all rows validate.

· dataset. Statistics and the generator use the current matrix only. Powerball has changed matrix twice since 2010, so figures from different eras are not comparable. Draws are independent and no pattern in past results affects a future one.