That sounds a bit like market manipulation, is that even legal? When all the big crypto players work together to force the price down it would mean they liquidate a lot of their positions now. Shouldn't we get some insider news about it? I don't think all the companies could remain quite for such a big a deal. Once the margin call is being triggered it would mean we would see strong buys in the market in an effort to close down the position. Shouldn't the price than rise again sharply? I am no expert on uncollateralised and not sure what options there are to avoid liquidation. Maybe there is a chance to restructure? Like how much further can the price drop, below 20k USD I would expect all the whales to start buying again.