open interest

In general for those using or considering stricknet: for $2 more at www.tbsp.com you can get the complete package:

& Stocks
$ Indices
# Futures
! Mutual Funds
~ Market Statistics
* Stock and Index Options
+ Futures Options
/ Canadian Stocks

including many years historical data.

Also the TBSP option data includes the stock price, very handy for calculating implied volatilities (I run a macro calculating all 100,000+ in a few minutes). Also a utility for selective data downloads.

GATrader, $32 for only 100 open interests still seems expensive. For years I used a small program called Stock Option Spider

http://www.lencom.com/desc/indexN15168.html

that did exactly what you’re looking for (incl. OI), but it stopped working and is no longer there (Meixler who made it informed me it is no longer supported). I guess though you should be able to find something similar in the shareware boards.
 
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