Why are the AAPL option strikes for Jan 17, 2015 separated by 5/7 of a dollar?

This is true on both Yahoo and Google option pages.

EG: 95.00, 95.71, 96.43, 97.14, 97.86, 98.57, 99.29. 100.00

The other months I looked at have normal $1 spacing between strikes.

Submitted December 23, 2014 at 12:36PM by hsfrey http://ift.tt/1zulGYx