That’s why you hedge though. Quite a lot of exposure should already be handled well before we get to this point in the season. Ag commodities can be brutal and few people know that more personally than farmers.
A selection of on set of policies by one provider in Saskatchewan (granted, not the US) can be found at https://www.scic.ca/crop-insurance/program-overview/multi-pe...
Potatoes don't have a future market, and they are still planted. Though I believe even then big names like McDonald's contract all their potatoes in advance.
Monopoly is one seller, many buyers.
Monopsony is many sellers, one buyer.
I have the right to maximize my short-term gains, but if the consequences catch up to me, I will demand subsidies and bailouts from the same society I totally don't participate in.