Former Equity Research Analyst turned Portfolio Manager. I run Home Run Investor for Zacks, ~20 small cap stocks and give buy and sell signals. I also run a trading service Breakout Growth Trader that is more short term.
We look for price moves based on market vol.using stock price,vol.,current opt.exp. to calculate price moves especially w/earnings.Take a ATM straddle, and a ATM strangle,add together & divided by 2.We also run/add algorithms for verification.