what 's the z 90/95 fence..z i assume is dec .. edit.. but the 90/95 i couldn't find a 12 cent spread, so the fence is ? nor the 3kQuote from ogarbitrage:
Z 90 / 95 fence vs. 92.50 trades 3000x on the floor. Traded .11 to the put... nice skew.
Trades again .12.... 4100x total on the day.