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By studying the relationship between the two, on the one hand, it supplements and enriches the theoretical research on the rate of return of gold and Bitcoin, on the other hand, it provides a certain reference for investors to construct investment strategies. The research on the cointegration relationship between them has important practical significance. At the same time, it has important practical significance for the research on the cointegration relationship between bitcoin and gold.<\/jats:p>","DOI":"10.3389\/fncom.2022.1052140","type":"journal-article","created":{"date-parts":[[2022,11,28]],"date-time":"2022-11-28T04:38:20Z","timestamp":1669610300000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":1,"title":["Mathematical processing of trading strategy based on long short-term memory neural network model"],"prefix":"10.3389","volume":"16","author":[{"given":"Han-Yang","family":"Wang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"An-Qi","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chao-Chen","family":"Tie","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chao-Jun","family":"Wang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yun-Hua","family":"Xu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1965","published-online":{"date-parts":[[2022,11,28]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","DOI":"10.1016\/j.asoc.2020.106996","article-title":"A new hybrid model for wind speed forecasting combining long short-term memory neural network, decomposition methods and grey wolf optimizer.","volume":"100","author":"Altan","year":"2021","journal-title":"Appl. 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