株探拡張Pro

株探拡張Pro is a free Chrome extension that helps you use the stock information website 株探 more quickly and in greater depth. When you open a stock page on 株探, earnings charts and comparisons with industry peers appear automatically in a side panel on the right side of the browser. It supports both Japanese and US stocks. ■ Analysis: Understand the open stock at a glance ・See trends in revenue, profit, cash flow, dividends and more in charts ・View changes in supply and demand, including margin balances and short selling, in charts ・Check the composition of major shareholders ・Switch the displayed period when longer histories are available with 株探プレミアム ■ Peer comparisons: Compare companies in the same industry ・Automatically gather and display industry peers for comparison ・Overlay and compare each company's stock price movements ・Chart the relationship between revenue and profit margins to see each company's position in the industry ・Compare current values and trends for indicators of stock valuation ■ Earnings calendar: Navigate earnings season efficiently ・List Japanese and US earnings announcements by date ・Show progress against company forecasts alongside the same period in the previous year ・Show stock price reactions after earnings announcements ・Check in advance which companies will announce earnings on the next business day ・For US stocks, show how much reported earnings per share exceeded or fell short of market expectations ■ Shareholder benefits calendar: Find benefits by record month ・List stocks with shareholder benefits by the month in which eligibility is established, from this month through one year ahead ・Show the last day to buy with rights for that month ・Compare benefit details, minimum investment and yield including benefits and dividends ・Sort by highest yield or lowest purchase amount ・Mark stocks whose benefits increase with long-term ownership ・If the stock being viewed offers benefits, show the number of days until the last day to buy with rights ■ Watchlist: Japanese and US stocks in one place ・Add Japanese and US stocks to the same list ・Choose from three views: a list, intraday price charts and a heatmap ・Also display night trading and US after-hours prices ・Add stocks with one click from 株探 pages ・Sign in with Google to sync with Chrome on other computers ■ Global stock markets ・View movements in major Japanese, US and Asian stock indices, exchange rates, interest rates and more ■ Display charts together ・Show charts for the stocks listed on a 株探 stock list page together in full screen with one button ■ AI analysis ・Create a prompt containing 株探 earnings, stock prices and earnings materials, and ask your generative AI to organize key points or summarize earnings ■ Make 株探 itself easier to read ・Adjust colors and spacing for readability ・Add links to other information sites on stock pages, which you can edit freely ・Quickly navigate to analysis, watchlists and calendars from the menu on the right edge of any page ■ How to use 1. Click “Add to Chrome” 2. After installation, a Toyota Motor Corporation page opens and a tour introduces the main features 3. Open the page for a stock of interest, then open the side panel using the toolbar icon or the menu on the right edge ■ Pricing All features are free. Without signing in, the watchlist is limited to one list with up to 10 stocks. Sign in with Google to remove the limit and sync with other computers; signing in is also free. ■ Privacy Browsing history is not sent externally. To improve features, information such as which features are used is aggregated in a form that does not identify individuals. Only when you sign in with Google is your watchlist saved in association with your account. ■ Notes ・株探拡張Pro is an unofficial extension developed by an individual and is not affiliated with the company that operates 株探. ・The information displayed is publicly available on 株探 and elsewhere and is not a recommendation to buy or sell any particular stock. Make your own investment decisions. ■ Version history v4.0.48 (November 2026) ・Added mini apps: “Investment Trust Fund Flows,” which shows daily inflows and outflows for popular investment trusts, and “Regular Investment Simulation,” which estimates future assets using adjustable returns, monthly contributions and sharp market declines. Open them using the icon with four squares in the header ・Added guidance on using the new side panel for users updating from earlier versions ・Fixed a bug that could prevent settings and watchlists from being saved when data from an earlier version remained ・Removed unnecessary loading when opening a stock without shareholder benefits v4.0.10 (October 2026) ・Completely redesigned the extension. Use earnings charts, peer comparisons, earnings and shareholder benefits calendars, watchlists and global stock markets in a side panel while browsing 株探 ・Added support for US stocks ・Added a one-minute tour of the main features for new users