{"id":4569,"date":"2025-06-10T13:43:08","date_gmt":"2025-06-10T11:43:08","guid":{"rendered":"https:\/\/www.escience.ac.za\/?p=4569"},"modified":"2025-06-10T13:43:09","modified_gmt":"2025-06-10T11:43:09","slug":"temporal-dependency-modeling-in-financial-markets","status":"publish","type":"post","link":"https:\/\/www.escience.ac.za\/index.php\/2025\/06\/10\/temporal-dependency-modeling-in-financial-markets\/","title":{"rendered":"Temporal Dependency Modeling in Financial Markets"},"content":{"rendered":"<p><strong>Researcher<\/strong>: Small Tshithavhana, University of the Witwatersrand, Johannesburg<br><strong>Supervisor<\/strong>: Dr. Walter Mudzimbabwe, University of the Witwatersrand, Johannesburg<\/p><p>Financial forecasting has become increasingly important in today\u2019s global market due to its ability to<br>assess risk and inform decision-making. However, accurately forecasting financial markets is challenging<br>due to their stochastic nature and complexity. To address this challenge, we suggest a state space<br>model, namely the Hidden Markov Model, which handles dynamic time series issues involving unseen<br>variables or parameters that represent the development of the underlying system\u2019s state.we test<br>our model on financial market information sourced from the Nasdaq online database and compare its<br>performance with standard forecasting machine learning models. The results under the MAPE matrix<br>indicate that the proposed model outperformed the Recurrent Neural Network (RNN) by 19.08% and<br>exhibited a superior performance of 19.09% relative to the ARIMA model. However, the proposed<br>model fell short in comparison to the GARCH model by a margin of 3.11%.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"724\" height=\"1024\" src=\"https:\/\/www.escience.ac.za\/wp-content\/uploads\/2025\/06\/2237473018-Small-Tshithavhana-8581_Small_Tshithavhana_ve2411_18079_30595195-724x1024.jpg\" alt=\"\" class=\"wp-image-4570\" srcset=\"https:\/\/www.escience.ac.za\/wp-content\/uploads\/2025\/06\/2237473018-Small-Tshithavhana-8581_Small_Tshithavhana_ve2411_18079_30595195-724x1024.jpg 724w, https:\/\/www.escience.ac.za\/wp-content\/uploads\/2025\/06\/2237473018-Small-Tshithavhana-8581_Small_Tshithavhana_ve2411_18079_30595195-212x300.jpg 212w, https:\/\/www.escience.ac.za\/wp-content\/uploads\/2025\/06\/2237473018-Small-Tshithavhana-8581_Small_Tshithavhana_ve2411_18079_30595195-768x1086.jpg 768w, https:\/\/www.escience.ac.za\/wp-content\/uploads\/2025\/06\/2237473018-Small-Tshithavhana-8581_Small_Tshithavhana_ve2411_18079_30595195-1086x1536.jpg 1086w, https:\/\/www.escience.ac.za\/wp-content\/uploads\/2025\/06\/2237473018-Small-Tshithavhana-8581_Small_Tshithavhana_ve2411_18079_30595195-1449x2048.jpg 1449w, https:\/\/www.escience.ac.za\/wp-content\/uploads\/2025\/06\/2237473018-Small-Tshithavhana-8581_Small_Tshithavhana_ve2411_18079_30595195-600x848.jpg 600w, https:\/\/www.escience.ac.za\/wp-content\/uploads\/2025\/06\/2237473018-Small-Tshithavhana-8581_Small_Tshithavhana_ve2411_18079_30595195-scaled.jpg 1811w\" sizes=\"(max-width: 724px) 100vw, 724px\" \/><\/figure><\/div><p>&nbsp;<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>Researcher: Small Tshithavhana, University of the Witwatersrand, JohannesburgSupervisor: Dr. Walter Mudzimbabwe, University of the Witwatersrand, Johannesburg Financial forecasting has become increasingly important in today\u2019s global market due to its ability toassess risk and inform decision-making. However, accurately forecasting financial markets is challengingdue to their stochastic nature and<\/p>\n","protected":false},"author":3,"featured_media":4493,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-4569","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-capstone-projects"],"_links":{"self":[{"href":"https:\/\/www.escience.ac.za\/index.php\/wp-json\/wp\/v2\/posts\/4569","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.escience.ac.za\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.escience.ac.za\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.escience.ac.za\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.escience.ac.za\/index.php\/wp-json\/wp\/v2\/comments?post=4569"}],"version-history":[{"count":1,"href":"https:\/\/www.escience.ac.za\/index.php\/wp-json\/wp\/v2\/posts\/4569\/revisions"}],"predecessor-version":[{"id":4571,"href":"https:\/\/www.escience.ac.za\/index.php\/wp-json\/wp\/v2\/posts\/4569\/revisions\/4571"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.escience.ac.za\/index.php\/wp-json\/wp\/v2\/media\/4493"}],"wp:attachment":[{"href":"https:\/\/www.escience.ac.za\/index.php\/wp-json\/wp\/v2\/media?parent=4569"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.escience.ac.za\/index.php\/wp-json\/wp\/v2\/categories?post=4569"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.escience.ac.za\/index.php\/wp-json\/wp\/v2\/tags?post=4569"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}