There are 2 missing features that I believe Stockopedia needs to add:
1) Functionality to allow us to run any screen for previous dates....
2) Ability to run backtests for any period of time, for any screens - to see how they wouldve performed.
Are any of these things on the development plan? I wouldnt imagine it would be too difficult to add these features as the data is all there.....
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Also screens should show the actually stocks, that are included in the screen, not just what qualifies now. There should also be an option to include dividends.
To run any screen on previous dates is not too much to ask in my opinion but a fundamental feature that should be included with high priority allowing to check some ideas efficiently even without a full backtesting engine. It's included in competing products
Its a huge ask to do accurately.
You have to keep a point in time database for all the fundamental and price data for all available dates. The fundamentals have to match up to actual result/trading update etc. release dates. That is a huge data cleansing job.
Compustat have a premium Point in Time dbase that does this accurately. Other providers not so well and you end up with highly biased screens.
