Welcome back TOPS, I have missed your contributions to this thread for the last few months.
I have a slightly different approach to evaluating stocks for selling straddles or strangles, although the result is probably the same. I prefer selling 3-month straddles, since it gives more time to adjust the position if the stock direction becomes clear, eg to convert a straddle to a strangle, and the premium is large enough to cope with "noise".
I look for:
1. A premium which gives a profit window which covers the 6-month trading range.
2. The 1,2, and 3-month moving averages should all coincide at or near the strike price, or between the strikes in the case of a strangle.