Agree 100% with the psychological considerations. Although I don't think $1200 is likely in the near-term. Such a large, rapid dislocation from previous valuations on no obvious paradigm shift has got to be driven by liquidity factors imo. And now that the whole world is watching closely I don't think that will happen again immediately.
Maybe if we had mass retail participation it could, and although I haven't seen reliable data, it seems like there is enough institutional money and bots to dilute retail euphoria from moving big names so rapidly once everyone is paying attention. In fact I think the low $1000's were / are a great backstop to trade against because the valuation is not realistic; although the premium for such a trade is rapidly bleeding out of the name.
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Specifics aside, agree with Specter on the main point that OP is being naive to view hindsight as so obvious. I traded this thing myself; mainly shorting ITM vega when the middle of the curve started to blend in more vol than I thought was realistic for the timeframe. And in the aftermath; fading the residual steep call skew bid up by retails against the down & out gamma that was trading at atm vols all the way down to sub 20delta until recently??
Even then with some pretty obvious dislocations; I sized quite small because how do you know the exact price this will collapse at? Could be anywhere when things are this unstable. What if another major block hit the pain point at $950? I was really confident in the fade but I felt I had to be ready to eat another $500 / share in worst case or give away all the edge buying massively expensive risk control.
So the turning point was extremely uncertain, and the timing was as well. What if we stalled for a few days at $900 before the next wave came in? You're just going to sit tight and shell out $1000's per day on your thetas waiting for a drop? For how long until you reconsider? Even then if you're right on direction but the move is too gradual you won't ever recoup that. Sure we could have all made a fortune buying puts but an immediate 15% rip off the highs was in no way the obvious next step.
Next time you have an idea put on a tester 1 lot or something, talk through what you're doing and your assumptions with someone in real-time each day. You'll realize this stuff is far from being obvious even though it sure looks that way in hindsight. It's a cognitive bias.