u/lmxor101

Apologies if this is a dumb question! I am flying Lufthansa for the first time in a few weeks, from Atlanta to Frankfurt. There's an offer to upgrade to premium economy and I'm trying to understand, do upgrade prices normally go up or down as the flight approaches? Would hate to buy it and then watch the price decrease by like 30%, but would also hate to wait and then buy it when it's more expensive. How does Lufthansa normally adjust their prices, or do they even adjust their prices at all?