Are there any free strategy study site better than quantopian ? Quantopian got too limited futures supported
%% Well lx008, since their time frame by their own admission is a few days, sure. IBD Books; all of them, most public libraries have some of them ; a good private library may have all of them But they dont cost share or do contests like yours . But IBD is [ mostly stocks] Their website, investors.com; has a lot of stuff but not like my first suggestion.