Call Options Explained
https://old.reddit.com/r/wallstreetbets/comments/m4a87a/i_teach_high_school_which_means_i_explain_things/
https://web.archive.org/web/20210314003359/https://old.reddit.com/r/wallstreetbets/comments/m4a87a/i_teach_high_school_which_means_i_explain_things/
https://archive.is/ir4mR
https://www.youtube.com/watch?v=EfmTWu2yn5Q
https://www.youtube.com/watch?v=7PM4rNDr4oI
https://www.youtube.com/watch?v=SD7sw0bf1ms
https://www.youtube.com/watch?v=ipf0Yg2Z4Gs