When a stock split happens, stock chart history and various statistics about the stock is updated to reflect the price change. This is the common practice everywhere. However, open and past positions for such a stock are not updated to reflect the price changes in T212. This results with misleading …

Reflect price changes to stock performance after a stock split

trader787 August 23, 2020, 2:25pm 2

If you mean the chart history after splits we discussed this here:

Tldr: charts history will be updated with new split price

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