Name Net Calls Puts Calls Return since
31 Dec ‘17
1
$2.38B $4.23B $1.85B 7.29%
2
$2.28B $3.39B $1.11B 20.1%
3
$1.4B $2.59B $1.19B 4.47%
XBI icon
4
State Street SPDR S&P Biotech ETF
XBI
$8.28B
$1.31B $1.85B $537M 49.1%
5
$772M $1.14B $363M 75.9%
6
$712M $1.25B $533M 62.9%
7
$589M $1.67B $1.08B 25.3%
8
$561M $911M $350M 25.3%
9
$376M $1.09B $717M 71.4%
10
$343M $560M $217M 64%
RIG icon
11
Transocean
RIG
$6.89B
$279M $444M $165M 41.5%
12
$255M $1.49B $1.23B 75.9%
13
$217M $453M $236M 37.9%
14
$216M $337M $121M 236%
15
$212M $339M $127M 70.1%
16
$182M $240M $57.3M 65.1%
17
$180M $357M $177M 61.2%
18
$156M $273M $117M 49.9%
19
$141M $450M $308M 82.5%
20
$140M $202M $61.6M 74.5%
21
$140M $263M $124M 90.5%
22
$135M $145M $10.4M 48.5%
23
$131M $254M $123M 324%
24
$130M $413M $283M 24.1%
25
$130M $299M $169M 62%