Despite being down 80 percent from its all-time high, a fairly large number of investors are still cautious and shorting bitcoin in a low price range.
Bitcoin shorts achieved a 3-week high earlier this week, demonstrating a lack of confidence of investors in the cryptocurrency market in the near-term performance of bitcoin.
I don't know whether this is logical for the market to do, because it certainly seems like that bitcoin has already bottomed. I don't think that in the near future we'll see anything lower than what the bottom has currently been established by, so these shorts could certainly result in a short squeeze in the short term.
Regarding this person's prediction about bitcoin being cheap until April, I wouldn't jump to conclusions about when the rally or breakout will happen. It might not even happen in this half of the year for all that we know.
All that we know at the moment is that there is relatively low probabilities the value of BTC will drop significantly in the short term. -75-80% seems to be the range where most bear markets that bitcoin has experienced have seen its floor, and we've already been through that phase. Unlike some others, I think that it is pretty much impossible for prices to drop below $2.5k at minimum, let alone go to three figures like some people fear it will.