Is there a data feed that has these particularly well? Right now I'm just using the feed that comes with IB and they don't even go back very far for *unexpired* options! I don't need to go back beyond a few years or so. I've looked at DTN IQFeed in the past. Do they have a good offering for expired options?
100$ a month is not so cheap. i cannot guarantee these sources ! but i found them - http://optiondata.net/collections/the-complete-all-year-historical-options-data-set http://www.historicaloptiondata.com/
I appreciate you bringing more links to the table. Yes, 100 is not cheap by ET standards since few people here shell out significantly for data, but I assure you that 100/month is quite reasonable as far as buying historical data goes. Good thing he didn't want ICE data....