i can't speak to your modelling but i think corn has been gotten beat a little to hard lately...i live in corn country and growing conditions haven't changed materially after the heavy july rains. i'd be interested to see how much px movement has had to do with supplier flows (big producers...
don't be snide towards Robert, he's contributed more to this community than most and deserves some respect.
you're asking for tax advice -- a question that's been asked dozens of times btw -- on a trading forum. call your accountant/tax attorney.
put/call ratios are notoriously inaccurate because they don't tell you the direction or intent of flow (hedging, put selling, outright put buying for speculation).
so, no.