Ordinary trading software, adjust the time period to 1 minute, and then adjust the main chart index to the closing line. There will be. (This is a function only available in common market software. You can download it there. )

If it is a professional software, you can directly look at the time-sharing indicators, but you must download historical data. However, you have to go to the exchange to buy this software. )

Bohai Commodity Futures Trading Software (Fuyuan Edition) also has a time-sharing continuous function, but only a few days of time-sharing data. (Bohai Commodity Futures website can be downloaded. )

There are many such softwares ... just ask your mother and her agent for advice.