Here are Sony's options on Nov 3, 2014 Open Interest for Puts is in Magenta Note that the $17 Strike for January has an Open Interest of 17.6K http://i.imgur.co

Here are Sony's options on Nov 3, 2014 Open Interest for Puts is in Magenta Note that the $17 Strike for January has an Open Interest of 17.6K http://i.imgur.com/OmglyLl.png http://i.imgur.com/OmglyLl.png Here are Sony's Options on Nov 25, 2014, the day after the hack. Note the same $17 put has actually lost a little Open Interest. No conspiracy here. http://i.imgur.com/dCRcvX9.png http://i.imgur.com/dCRcvX9.png Caveats: This was done with the US traded instrument (SNE). I don't have access to the Japanese exchange. Open Interest is reported after the day it is generated and reflects the secondary market of the previous day.