{"id":23043,"date":"2025-12-19T16:14:53","date_gmt":"2025-12-19T10:44:53","guid":{"rendered":"http:\/\/www.sachdevajk.in\/?p=23043"},"modified":"2025-12-19T16:14:53","modified_gmt":"2025-12-19T10:44:53","slug":"regression-between-power-grid-corporation-of-india-and-nifty-50","status":"publish","type":"post","link":"http:\/\/www.sachdevajk.in\/?p=23043","title":{"rendered":"Regression between Power Grid Corporation of India and nifty 50"},"content":{"rendered":"<p class=\"MsoTitleCxSpFirst\" style=\"text-align: center\" align=\"center\"><b><u><span lang=\"EN-US\" style=\"font-size: 22.0pt;font-family: 'Times New Roman',serif\">Relationship of Nifty 50<\/span><\/u><\/b><\/p>\n<p class=\"MsoTitleCxSpMiddle\" style=\"text-align: center\" align=\"center\"><b><u><span lang=\"EN-US\" style=\"font-size: 22.0pt;font-family: 'Times New Roman',serif\"><span>\u00a0<\/span>with<\/span><\/u><\/b><\/p>\n<p class=\"MsoTitleCxSpLast\" style=\"text-align: center\" align=\"center\"><b><u><span lang=\"EN-US\" style=\"font-size: 22.0pt;font-family: 'Times New Roman',serif\"><span>\u00a0<\/span>Power Grid Corporation of India<\/span><\/u><\/b><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">\u00a0<\/span><\/p>\n<p class=\"MsoTitleCxSpFirst\"><b><span style=\"font-size: 16.0pt\">\u00a0<\/span><\/b><\/p>\n<p class=\"MsoTitleCxSpLast\"><b><u><span style=\"font-size: 16.0pt\">About<\/span><\/u><\/b><b><u><span lang=\"EN-US\" style=\"font-size: 16.0pt\"> Power Grid Corporation of India<\/span><\/u><\/b><\/p>\n<p class=\"MsoNormal\"><span style=\"font-size: 12.0pt;line-height: 107%\">Power Grid Corporation of India Limited (POWERGRID) is India&#8217;s largest electric power transmission utility, a &#8216;Maharatna&#8217; public sector enterprise under the Government of India, established in 1989.\u200b<\/span><\/p>\n<p class=\"MsoNormal\"><b><span style=\"font-size: 12.0pt;line-height: 107%\">Key Facts<\/span><\/b><\/p>\n<p class=\"MsoNormal\"><span style=\"font-size: 12.0pt;line-height: 107%\">It manages over 164,000 circuit km of transmission lines from its Gurugram headquarters. POWERGRID ensures reliable power evacuation and supports national electrification goals.<\/span><\/p>\n<p class=\"MsoNormal\"><span style=\"font-size: 12.0pt;line-height: 107%\">\u00a0<\/span><\/p>\n<h1><b><u><span lang=\"EN-US\" style=\"font-size: 16.0pt;line-height: 107%;color: black\">Objectives of this study <\/span><\/u><\/b><\/h1>\n<p class=\"MsoNormal\"><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%\">To calculate the beta of <\/span><span style=\"font-size: 12.0pt;line-height: 107%\">Power Grid Corporation of India Limited <\/span><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%\">and observe its significance.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%\">\u00a0<\/span><\/p>\n<p class=\"MsoNormal\"><u><span lang=\"EN-US\" style=\"font-size: 16.0pt;line-height: 107%;color: black\">Data collection<\/span><\/u><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%\">The historical data of <\/span><span style=\"font-size: 12.0pt;line-height: 107%\">Power Grid Corporation of India Limited <\/span><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%\">and nifty 50 index data was downloaded from the website from the period 1\/12\/24 to 30\/11\/25. The data was manipulated to get Friday closing prices. <\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%\">\u00a0<\/span><\/p>\n<p class=\"MsoNormal\"><u><span lang=\"EN-US\" style=\"font-size: 16.0pt;line-height: 107%;color: black\">Data analysis<\/span><\/u><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%\">The intercept = a = -13.71412364<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%\">Coefficient = -bx = 0.000581886<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%\">a + bx = -13.71412364-0.000581886bx<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%\">The above equation tells us the relationship between nifty 50 and equity of Power Grid Corporation of India Limited, negative sign means if equity of Power Grid Corporation of India Limited, demand will fall and vice versa. If the equity rises by 1 unit, the nifty 50 will fall by 0.000581886 units.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%\">\u00a0<\/span><\/p>\n<p class=\"MsoNormal\"><span style=\"font-size: 12.0pt;line-height: 107%\">t-stat for beta is 1.244099866, p value of which is 21.9904325 is more than 0.05, rather beta is not statistically significant at 1% level so you cannot say that Power Grid reliably goes up when Nifty goes up, based on this data . R square is 0.033251518<span>\u00a0 <\/span>= 0.03 which means 3%<span>\u00a0 <\/span>of the Power Grid are<span>\u00a0 <\/span>explained by nifty 50, 97% is due to other reason. &#8211; the equation is <\/span><\/p>\n<p class=\"MsoNormal\"><span style=\"font-size: 12.0pt;line-height: 107%\"><span>\u00a0 <\/span>Power Grid price = 13.7 + 0.00058 \u00d7 Nifty 50 level.<span>\u00a0 <\/span><\/span><\/p>\n<p class=\"MsoNormal\"><span style=\"font-size: 12.0pt;line-height: 107%\">&#8211; Even if Nifty changes by 1000 points, the predicted change in Power Grid is only about 0.58 rupees, which is very small. F is 0.219904325 and the p value is 0.233689028, the overall model is not statistically significant. <\/span><\/p>\n<p class=\"MsoNormal\"><span style=\"font-size: 12.0pt;line-height: 107%\">No of observations = 47<\/span><\/p>\n<p class=\"MsoNormal\"><span style=\"font-size: 12.0pt;line-height: 107%\">R square = 0.033251518<\/span><\/p>\n<p class=\"MsoNormal\">F \u2013 value = 1.547784477<\/p>\n<p class=\"MsoNormal\">\u00a0<\/p>\n<p class=\"MsoNormal\"><b><u><span lang=\"EN-US\" style=\"font-size: 16.0pt;line-height: 107%\">References<\/span><\/u><\/b><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%\">Frost, J. (2017). How to Interpret R<\/span><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%;font-family: 'Cambria Math',serif\">\u2011<\/span><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%\">squared in Regression Analysis.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%\">Gujarati, D. N., &amp; Porter, D. C. (2009). Basic Econometrics (5th ed.). McGraw<\/span><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%;font-family: 'Cambria Math',serif\">\u2011<\/span><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%\">Hill.<\/span><\/p>\n<p class=\"MsoNormal\"><u><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%;color: black\"><span style=\"text-decoration: none\">\u00a0<\/span><\/span><\/u><\/p>\n<p class=\"MsoNormal\"><b><u><span lang=\"EN-US\" style=\"font-size: 16.0pt;line-height: 107%\">Conclusion <\/span><\/u><\/b><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%\">&#8211; Nifty 50 has very little power to explain or predict Power Grid\u2019s price using this one<\/span><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%;font-family: 'Cambria Math',serif\">\u2011<\/span><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%\">year Friday data.<span>\u00a0 <\/span><\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\" style=\"font-size: 12.0pt;line-height: 107%\">&#8211; Power Grid mainly moves because of its own company and sector factors, not because of the overall market index, so this simple regression is weak and not suitable for trading or forecasting.<u><\/u><\/span><\/p>\n<p class=\"MsoNormal\"><span style=\"font-size: 12.0pt;line-height: 107%\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Relationship of Nifty 50 \u00a0with \u00a0Power Grid Corporation of India \u00a0 \u00a0 About Power Grid Corporation of India Power Grid Corporation of India Limited (POWERGRID) is India&#8217;s largest electric power transmission utility, a &#8216;Maharatna&#8217; public sector enterprise under the Government of India, established in 1989.\u200b Key Facts It manages over 164,000 circuit km of transmission&hellip; <a class=\"more-link\" href=\"http:\/\/www.sachdevajk.in\/?p=23043\">Continue reading <span class=\"screen-reader-text\">Regression between Power Grid Corporation of India and nifty 50<\/span><\/a><\/p>\n","protected":false},"author":139894,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-23043","post","type-post","status-publish","format-standard","hentry","category-uncategorized","entry"],"_links":{"self":[{"href":"http:\/\/www.sachdevajk.in\/index.php?rest_route=\/wp\/v2\/posts\/23043","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.sachdevajk.in\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.sachdevajk.in\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.sachdevajk.in\/index.php?rest_route=\/wp\/v2\/users\/139894"}],"replies":[{"embeddable":true,"href":"http:\/\/www.sachdevajk.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=23043"}],"version-history":[{"count":1,"href":"http:\/\/www.sachdevajk.in\/index.php?rest_route=\/wp\/v2\/posts\/23043\/revisions"}],"predecessor-version":[{"id":23044,"href":"http:\/\/www.sachdevajk.in\/index.php?rest_route=\/wp\/v2\/posts\/23043\/revisions\/23044"}],"wp:attachment":[{"href":"http:\/\/www.sachdevajk.in\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=23043"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.sachdevajk.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=23043"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.sachdevajk.in\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=23043"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}