卖puma生物科技call的今天是什么下场？

谁来解释一下，卖option真的是稳赚吗？You may lose 100 times by selling nude call.

 

Call Options

Expire at close Saturday, August 16, 2014

Strike Symbol Last Chg Bid Ask Vol Open Int 40.00 PBYI140816C00040000 183.10  162.80 187.70 190.90 21 1 45.00 PBYI140816C00045000 180.92  166.02 182.60 186.30 3 4 50.00 PBYI140816C00050000 176.00  163.70 177.40 181.30 2 31 55.00 PBYI140816C00055000 172.30  163.06 173.90 176.00 19 45 60.00 PBYI140816C00060000 168.42  161.32 168.90 170.90 155 643 65.00 PBYI140816C00065000 165.60  159.70 164.10 165.90 934 945 70.00 PBYI140816C00070000 159.90  155.30 158.90 161.00 635 1,801 75.00 PBYI140816C00075000 154.80  150.80 154.10 156.00 82 1,116 80.00 PBYI140816C00080000 148.80  145.80 149.10 151.00 103 354 85.00 PBYI140816C00085000 144.20  141.70 142.70 146.30 15 97 90.00 PBYI140816C00090000 143.15  140.85 138.90 141.00 124 188 95.00 PBYI140816C00095000 127.50  123.80 132.70 136.00 61 37 100.00 PBYI140816C00100000 129.95  128.50 128.90 131.00 110 1,434 105.00 PBYI140816C00105000 126.00  124.85 124.10 126.00 81 320