{"id":7908,"date":"2026-05-04T16:40:16","date_gmt":"2026-05-04T14:40:16","guid":{"rendered":"https:\/\/eodhd.com\/financial-apis\/?p=7908"},"modified":"2026-05-04T16:40:17","modified_gmt":"2026-05-04T14:40:17","slug":"us-stock-symbol-rename-history-api","status":"publish","type":"post","link":"https:\/\/eodhd.com\/financial-apis\/us-stock-symbol-rename-history-api","title":{"rendered":"US Stock Symbol Rename History API"},"content":{"rendered":"\n<p class=\"docs-content__text has-text-align-center wp-block-paragraph\"><a class=\"btn btn--orange\" href=\"https:\/\/eodhd.com\/register\"><span class='mb-text'>Sign up &amp; Get Data<\/span><\/a><\/p>\n\n\n\n<p class=\"docs-content__text wp-block-paragraph\"><!--TOC--><\/p>\n\n\n\n<h2 class=\"docs-content__heading docs-content__heading--h2 wp-block-heading\" id=\"h-symbol-change-history-api\">Symbol Change History API<\/h2>\n\n\n\n<p class=\"docs-content__text wp-block-paragraph\">When a publicly traded company changes its ticker symbol \u2014 due to a rebrand, merger, SPAC transaction, or corporate restructuring \u2014 the old symbol stops working and a new one takes its place. The Symbol Change History API tracks these changes so you can keep your portfolios, watchlists, and historical data in sync.<\/p>\n\n\n\n<p class=\"docs-content__text wp-block-paragraph\">    <div class=\"api-key\" data-feed=\"\">\n                <div class=\"api-key__topbar\">\n            <div class=\"api-key__tablist\" role=\"tablist\">\n                                                                        <button\n                        class=\"api-key__tab api-key__tab--active\"\n                        type=\"button\"\n                        role=\"tab\"\n                        data-tab=\"url\"                    >URL<\/button>\n                                                                            <button\n                        class=\"api-key__tab\"\n                        type=\"button\"\n                        role=\"tab\"\n                        data-tab=\"curl\"                    >cURL<\/button>\n                                                                            <button\n                        class=\"api-key__tab\"\n                        type=\"button\"\n                        role=\"tab\"\n                        data-tab=\"php\"                    >PHP<\/button>\n                                                                            <button\n                        class=\"api-key__tab\"\n                        type=\"button\"\n                        role=\"tab\"\n                        data-tab=\"python\"                    >Python<\/button>\n                                                                            <button\n                        class=\"api-key__tab\"\n                        type=\"button\"\n                        role=\"tab\"\n                        data-tab=\"r\"                    >R<\/button>\n                                                                            <button\n                        class=\"api-key__tab\"\n                        type=\"button\"\n                        role=\"tab\"\n                        data-tab=\"chatgpt\" data-actions=\"false\"                    >Chat GPT<\/button>\n                                                <\/div>\n            <div class=\"api-key__actions\">\n                <button class=\"api-key__btn api-key__btn--copy\" type=\"button\" aria-label=\"Copy\">\n                    <svg viewBox=\"0 0 20 20\" width=\"18\" height=\"18\" class=\"api-key__btn-icon api-key__btn-icon--default\"><use xlink:href=\"\/img\/icons\/copy.svg#copy\"\/><\/svg>\n                    <img decoding=\"async\" class=\"api-key__btn-icon api-key__btn-icon--success\" src=\"\/img\/approve_ico.svg\" alt=\"\" width=\"14\" height=\"14\" loading=\"eager\">\n                <\/button>\n                <button class=\"api-key__btn api-key__btn--view\" type=\"button\" aria-label=\"Open in new tab\" data-url=\"https:\/\/eodhd.com\/api\/symbol-change-history?from=2026-01-01&amp;api_token={YOUR_API_TOKEN}&amp;fmt=json\">\n                    <svg viewBox=\"0 0 20 21\" width=\"18\" height=\"18\"><use xlink:href=\"\/img\/icons\/openLink.svg#openLink\"\/><\/svg>\n                <\/button>\n            <\/div>\n        <\/div>\n        \n        <div class=\"api-key__panels\">\n                                                                        <div class=\"api-key__panel api-key__panel--active\" data-panel=\"url\">\n                                            <pre class=\"api-key__code\"><code>https:\/\/eodhd.com\/api\/symbol-change-history?<span class='white bold'>from<\/span>=<span class='orange bold from'>2026-01-01<\/span>&<span class='white bold'>api_token<\/span>=<span class='orange bold api_token'>{YOUR_API_TOKEN}<\/span>&<span class='white bold'>fmt<\/span>=<span class='orange bold fmt'>json<\/span><\/code><\/pre>\n                        <div class=\"api-key__register\">(<a href=\"\/register\">Sign up<\/a> for free to get an API token)<\/div>\n                                    <\/div>\n                                                                            <div class=\"api-key__panel\" data-panel=\"curl\">\n                                                                    <pre class=\"api-key__code\"><code>curl --location &quot;https:\/\/eodhd.com\/api\/symbol-change-history?<span class='white bold'>from<\/span>=<span class='orange bold from'>2026-01-01<\/span>&<span class='white bold'>api_token<\/span>=<span class='orange bold api_token'>{YOUR_API_TOKEN}<\/span>&<span class='white bold'>fmt<\/span>=<span class='orange bold fmt'>json<\/span>&quot;<\/code><\/pre>\n                        <div class=\"api-key__register\">(<a href=\"\/register\">Sign up<\/a> for free to get an API token)<\/div>\n                                    <\/div>\n                                                                            <div class=\"api-key__panel\" data-panel=\"php\">\n                                                                    <pre class=\"api-key__code\"><code>$curl = curl_init();\n\ncurl_setopt_array($curl, array(\n    CURLOPT_URL =&gt; &#039;https:\/\/eodhd.com\/api\/symbol-change-history?<span class='white bold'>from<\/span>=<span class='orange bold from'>2026-01-01<\/span>&<span class='white bold'>api_token<\/span>=<span class='orange bold api_token'>{YOUR_API_TOKEN}<\/span>&<span class='white bold'>fmt<\/span>=<span class='orange bold fmt'>json<\/span>&#039;,\n    CURLOPT_RETURNTRANSFER =&gt; true,\n    CURLOPT_ENCODING =&gt; &#039;&#039;,\n    CURLOPT_MAXREDIRS =&gt; 10,\n    CURLOPT_TIMEOUT =&gt; 0,\n    CURLOPT_FOLLOWLOCATION =&gt; true,\n    CURLOPT_HTTP_VERSION =&gt; CURL_HTTP_VERSION_1_1,\n    CURLOPT_CUSTOMREQUEST =&gt; &#039;GET&#039;,\n));\n\n$data = curl_exec($curl);\ncurl_close($curl);\n\ntry {\n    $data = json_decode($data, true, 512, JSON_THROW_ON_ERROR);\n    var_dump($data);\n} catch (Exception $e) {\n    echo &#039;Error. &#039;.$e-&gt;getMessage();\n}<\/code><\/pre>\n                        <div class=\"api-key__register\">(<a href=\"\/register\">Sign up<\/a> for free to get an API token)<\/div>\n                                    <\/div>\n                                                                            <div class=\"api-key__panel\" data-panel=\"python\">\n                                                                    <pre class=\"api-key__code\"><code>import requests\n\nurl = f&#039;https:\/\/eodhd.com\/api\/symbol-change-history?<span class='white bold'>from<\/span>=<span class='orange bold from'>2026-01-01<\/span>&<span class='white bold'>api_token<\/span>=<span class='orange bold api_token'>{YOUR_API_TOKEN}<\/span>&<span class='white bold'>fmt<\/span>=<span class='orange bold fmt'>json<\/span>&#039;\ndata = requests.get(url).json()\n\nprint(data)<\/code><\/pre>\n                        <div class=\"api-key__register\">(<a href=\"\/register\">Sign up<\/a> for free to get an API token)<\/div>\n                                    <\/div>\n                                                                            <div class=\"api-key__panel\" data-panel=\"r\">\n                                                                    <pre class=\"api-key__code\"><code>library(httr)\nlibrary(jsonlite)\n\nurl &lt;- &#039;https:\/\/eodhd.com\/api\/symbol-change-history?<span class='white bold'>from<\/span>=<span class='orange bold from'>2026-01-01<\/span>&<span class='white bold'>api_token<\/span>=<span class='orange bold api_token'>{YOUR_API_TOKEN}<\/span>&<span class='white bold'>fmt<\/span>=<span class='orange bold fmt'>json<\/span>&#039;\nresponse &lt;- GET(url)\n\nif (http_type(response) == &quot;application\/json&quot;) {\n    content &lt;- content(response, &quot;text&quot;, encoding = &quot;UTF-8&quot;)\n    cat(content)\n} else {\n    cat(&quot;Error while receiving data\\n&quot;)\n}<\/code><\/pre>\n                        <div class=\"api-key__register\">(<a href=\"\/register\">Sign up<\/a> for free to get an API token)<\/div>\n                                    <\/div>\n                                                                            <div class=\"api-key__panel\" data-panel=\"chatgpt\">\n                                            <div class=\"api-key__chatgpt\">\n                            New to coding? Our ChatGPT assistant can generate code in any language tailored to our API.\n                            Simply describe how you want to use our data, and get a working piece of code.\n                            Don&rsquo;t forget to replace the API token with your own.<br><br>\n                            <a href=\"\/lp\/eodhd-chatgpt\" target=\"_blank\">Try it now (it's free)!<\/a><br><br>\n                            <a href=\"https:\/\/www.youtube.com\/watch?v=QVWiLukag7o\" rel=\"nofollow\" target=\"_blank\">\n                                How to use it (YouTube)\n                            <\/a>\n                        <\/div>\n                                    <\/div>\n                                    <\/div>\n    <\/div>\n    <\/p>\n\n\n\n<p class=\"docs-content__text wp-block-paragraph\">The data starts from 2022-07-22 and is updated daily. Only US exchanges are supported for the moment.<\/p>\n\n\n\n<p class=\"docs-content__text wp-block-paragraph\">The API is available under the All World Extended and All-In-One packages.<\/p>\n\n\n\n<h3 class=\"docs-content__heading docs-content__heading--h3 wp-block-heading\" id=\"h-parameters\">Parameters<\/h3>\n\n\n\n<figure class=\"docs-content__table-wrap wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Parameter<\/th><th>Required<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td>api_token<\/td><td>Yes<\/td><td>Your API key<\/td><\/tr><tr><td>from<\/td><td>No<\/td><td>Start date in YYYY-MM-DD format. Default: 12 months before current date<\/td><\/tr><tr><td>to<\/td><td>No<\/td><td>End date in YYYY-MM-DD format. Default: current date<\/td><\/tr><tr><td>fmt<\/td><td>No<\/td><td>Response format: json or csv. Default: csv<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"docs-content__heading docs-content__heading--h3 wp-block-heading\" id=\"h-response-fields\">Response Fields<\/h3>\n\n\n\n<figure class=\"docs-content__table-wrap wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Field<\/th><th>Type<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td>exchange<\/td><td>string<\/td><td>Exchange code (currently always US)<\/td><\/tr><tr><td>old_symbol<\/td><td>string<\/td><td>The previous ticker symbol<\/td><\/tr><tr><td>new_symbol<\/td><td>string<\/td><td>The new ticker symbol<\/td><\/tr><tr><td>company_name<\/td><td>string<\/td><td>Full company name at the time of change<\/td><\/tr><tr><td>effective<\/td><td>string<\/td><td>Date when the change took effect (YYYY-MM-DD)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"docs-content__heading docs-content__heading--h3 wp-block-heading\" id=\"h-example-response\">Example Response<\/h3>\n\n\n<div class=\"code-block\">\n<pre class=\"docs-content__code-block wp-block-code\"><code lang=\"json\" class=\"language-json\">[\n  {\n    \"exchange\": \"US\",\n    \"old_symbol\": \"BITF\",\n    \"new_symbol\": \"KEEL\",\n    \"company_name\": \"Keel Infrastructure Corp. Common Stock\",\n    \"effective\": \"2026-04-06\"\n  },\n  {\n    \"exchange\": \"US\",\n    \"old_symbol\": \"NBY\",\n    \"new_symbol\": \"SDEV\",\n    \"company_name\": \"Stablecoin Development Corporation Common Stock\",\n    \"effective\": \"2026-04-06\"\n  },\n  {\n    \"exchange\": \"US\",\n    \"old_symbol\": \"ACTD\",\n    \"new_symbol\": \"OPAL\",\n    \"company_name\": \"OPAL Fuels Inc. Class A Common Stock\",\n    \"effective\": \"2022-07-22\"\n  }\n]<\/code><\/pre>\n<\/div>\n\n\n<h3 class=\"docs-content__heading docs-content__heading--h3 wp-block-heading\" id=\"h-common-use-cases\">Common Use Cases<\/h3>\n\n\n\n<ul class=\"docs-content__list wp-block-list\">\n<li><strong>Portfolio reconciliation<\/strong> \u2013 detect when a held ticker was renamed and update your records automatically<\/li>\n\n\n\n<li><strong>Historical data continuity<\/strong> \u2013 link old and new symbols to build unbroken price histories across renames<\/li>\n\n\n\n<li><strong>SPAC tracking<\/strong> \u2013 monitor when blank-check companies complete mergers and start trading under new tickers<\/li>\n\n\n\n<li><strong>Daily sync<\/strong> \u2013 poll with from=yesterday to catch any changes since your last update<\/li>\n<\/ul>\n\n\n\n<h3 class=\"docs-content__heading docs-content__heading--h3 wp-block-heading\" id=\"h-data-coverage\">Data Coverage<\/h3>\n\n\n\n<figure class=\"docs-content__table-wrap wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Year<\/th><th>Symbol Changes<\/th><\/tr><\/thead><tbody><tr><td>2022 (from Jul 22)<\/td><td>137<\/td><\/tr><tr><td>2023<\/td><td>261<\/td><\/tr><tr><td>2024<\/td><td>237<\/td><\/tr><tr><td>2025<\/td><td>291<\/td><\/tr><tr><td>2026 (YTD)<\/td><td>93<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"docs-content__text wp-block-paragraph\">On average, US exchanges see around 250 ticker changes per year.<\/p>\n\n\n\n<p class=\"docs-content__text has-text-align-center wp-block-paragraph\"><a class=\"btn btn--orange\" href=\"https:\/\/eodhd.com\/register\"><span class='mb-text'>Sign up &amp; Get Data<\/span><\/a><\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>Symbol Change History API When a publicly traded company changes its ticker symbol \u2014 due to a rebrand, merger, SPAC transaction, or corporate restructuring \u2014 the old symbol stops working and a new one takes its place. The Symbol Change History API tracks these changes so you can keep your portfolios, watchlists, and historical data [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1],"tags":[],"class_list":["post-7908","post","type-post","status-publish","format-standard","hentry","category-general-questions"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.6 (Yoast SEO v26.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>US Stock Symbol Change History API | EODHD<\/title>\n<meta name=\"description\" content=\"Track US ticker symbol changes via the EODHD API \u2014 rebrands, SPAC mergers and restructurings since 2022, with old\/new symbols and dates.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/eodhd.com\/financial-apis\/us-stock-symbol-rename-history-api\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"US Stock Symbol Rename History API\" \/>\n<meta property=\"og:description\" content=\"Track US ticker symbol changes via the EODHD API \u2014 rebrands, SPAC mergers and restructurings since 2022, with old\/new symbols and dates.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/eodhd.com\/financial-apis\/us-stock-symbol-rename-history-api\" \/>\n<meta property=\"og:site_name\" content=\"Stock Price Data, Financial and Stock Market API\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/eodhistoricaldata\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-04T14:40:16+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-04T14:40:17+00:00\" \/>\n<meta name=\"author\" content=\"a.pletnev\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@EOD_data\" \/>\n<meta name=\"twitter:site\" content=\"@EOD_data\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"a.pletnev\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/eodhd.com\/financial-apis\/us-stock-symbol-rename-history-api#article\",\"isPartOf\":{\"@id\":\"https:\/\/eodhd.com\/financial-apis\/us-stock-symbol-rename-history-api\"},\"author\":{\"name\":\"a.pletnev\",\"@id\":\"https:\/\/eodhd.com\/financial-apis\/#\/schema\/person\/ed3193541c25b73e823a83bdcdb09b5d\"},\"headline\":\"US Stock Symbol Rename History API\",\"datePublished\":\"2026-05-04T14:40:16+00:00\",\"dateModified\":\"2026-05-04T14:40:17+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/eodhd.com\/financial-apis\/us-stock-symbol-rename-history-api\"},\"wordCount\":283,\"publisher\":{\"@id\":\"https:\/\/eodhd.com\/financial-apis\/#organization\"},\"articleSection\":[\"7. 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