Here are straddles for First Solar and Vale, which report earnings tomorrow:
The positions are computed with the StraddlesCalc tool, and indicate the maximum moves required for profitability. That is a hefty move for FSLR, which is down today almost 4% on SunPower's (SPWRA) weak outlook (-14% on Friday). RBC Capital Markets analyst Stuart Bush cut SunPower to "sector perform" from "outperform".
This is not advice. pleae do your own due dilligence. Options are very dangerous and may cause 100% loss.