CustomHeatmap for Windows is a Chrome extension developed by 株式会社App Trend. As a free add-on in the Browsers category, this tool aims to enhance your trading experience by visualizing stock data on the SMBC Heatmap.

With CustomHeatmap, you can see the reflection of pre-market stock information on the SMBC Heatmap between 8 am and 9 am. By visualizing where the funds are flowing within sectors and specific stocks, you can reduce the chances of missing out on trading opportunities. The tool also features a yellow flashing indicator during price surges, helping you identify sudden influxes of buying funds. Overall, CustomHeatmap is a valuable trading tool that can minimize missed opportunities and improve the expected value of day trading.