No. of Recommendations: 2
That is, however, a reason why I would not consider an S&P "top x" screen for myself. I am not confident that I could execute it properly absent GTR1 (which I continue to revere, of course!).
What's the difficulty, the list is widely and readily available.[*]
Backtesting is another matter. I thought that gtr1's forte was backtesting. Although it can be used as a screener if you also have a certain data subscription.
I guess everybody has their own favorite tools. My main ones these days are curl, bash, and excel.
[*] You learn something new every day. I just learned that they reconstitute the S&P500 quarterly. "... on the third Friday of March, June, September, and December." The top 10 or 20 probably doesn't change much from one quarter to the next.