I understand WL retains historical data rather than loading the entire time series each time the ticker data are required. I believe possibly the original data might be from the WealthLab source. There are some obvious errors with splits or dividends, and now I can't use certain tickers to backtest. Is there a way to purge the old data and load from a different data source? The erroneous symbols include ones such as JNK, EWJ, GREK, and a few others. Here is an example of an erroneous data series. Or is there some other setting I don't have right?
Rename
Several ways, you could delete the provider's folder under the User Data folder, use the Data Manager to remove bars, or right click in a chart and select "Reload Chart Data from Provider."
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