{"id":28,"date":"2022-05-05T23:13:54","date_gmt":"2022-05-05T23:13:54","guid":{"rendered":"https:\/\/blogs.oregonstate.edu\/steve\/?p=28"},"modified":"2022-05-05T23:13:54","modified_gmt":"2022-05-05T23:13:54","slug":"reality-check","status":"publish","type":"post","link":"https:\/\/blogs.oregonstate.edu\/steve\/2022\/05\/05\/reality-check\/","title":{"rendered":"Reality Check"},"content":{"rendered":"\n<p>Our group recently started testing our algorithms against specific regimes for the AAPL stock which are inclusive of high\/low volatility uptrend\/lateral\/downtrend periods. Previously, I had been backtesting my algorithm over arbitrary dates for different ETFs and my results were very positive compared to our project sponsor Chester&#8217;s algorithm. I had let this get to my head a bit and thought that I had created a very profitable algorithm that would perform well under any circumstances. <\/p>\n\n\n\n<p>I was quickly proven wrong when backtesting over the new AAPL regime dates as the total net profit generated by my algorithm over these dates was 83% worse than Chester&#8217;s algorithm and 74% worse than just investing in AAPL. This just proves the importance of regime testing and I plan on spending time over the next week creating additional regimes for ETFs to get an even better idea of how my algorithms are performing.<\/p>\n\n\n\n<p>I did manage to improve the profitability of my algorithm by making some changes and testing alternative versions, and one of the alternative versions actually did outperform both AAPL and Chester&#8217;s algorithm, but I will need to test this version over different regimes to determine if it really is an improvement over Chester&#8217;s.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Our group recently started testing our algorithms against specific regimes for the AAPL stock which are inclusive of high\/low volatility uptrend\/lateral\/downtrend periods. Previously, I had been backtesting my algorithm over arbitrary dates for different ETFs and my results were very positive compared to our project sponsor Chester&#8217;s algorithm. I had let this get to my [&hellip;]<\/p>\n","protected":false},"author":12321,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-28","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/blogs.oregonstate.edu\/steve\/wp-json\/wp\/v2\/posts\/28","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.oregonstate.edu\/steve\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.oregonstate.edu\/steve\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.oregonstate.edu\/steve\/wp-json\/wp\/v2\/users\/12321"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.oregonstate.edu\/steve\/wp-json\/wp\/v2\/comments?post=28"}],"version-history":[{"count":1,"href":"https:\/\/blogs.oregonstate.edu\/steve\/wp-json\/wp\/v2\/posts\/28\/revisions"}],"predecessor-version":[{"id":29,"href":"https:\/\/blogs.oregonstate.edu\/steve\/wp-json\/wp\/v2\/posts\/28\/revisions\/29"}],"wp:attachment":[{"href":"https:\/\/blogs.oregonstate.edu\/steve\/wp-json\/wp\/v2\/media?parent=28"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.oregonstate.edu\/steve\/wp-json\/wp\/v2\/categories?post=28"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.oregonstate.edu\/steve\/wp-json\/wp\/v2\/tags?post=28"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}