Calls/Puts aren't just gambles either. They are part of a hedging strategy. You might see those big items but not see the other side of the trade where they've also bought/sold the underlying stock.I think you get big VIX calls betting on a market crash every now and again. Think Big Short all over again. Gambling on a market correction, not necessarily a market crash. Wouldn't surprise me if Trump's acolytes are doing it too.
Inevitably at some stage the market will downturn . If Trump keeps this trade war waging it will be sooner than later but I think he's a grifter and will row back as soon as he thinks his wealth will be harmed.
Sometimes they are bets. Michael Burry made big bets and was proven to be correct as shown in the Big Short but it is survivorship bias because he was correct that one time. All the other people that predicted it at other times were wrong and all the predictions he has made since has been wrong. The people that make these big bets don't know any more than others in the vast majority of situations and they are just bets and sometimes people get lucky and their bets win. It's really easy to predict that there will be a crash and the bigger timeframe you give yourself the easier it is to get it right but it's very difficult to predict that the market will crash x% in a small number of days and that is where the big payouts happen. Most big bets miss or get eaten up by premiums. It wouldn't have been unreasonable to say that there will be a 10% drop after Trump took over because you were expecting him to cause volatility. If you had made the bet in September though then 10% lower would have missed by a long way because that was before the 20% rise between then and January. The S&P is still 13% up on this time last year.
How Many Times Has Michael Burry Been Wrong?
In this article, you will read examples of when Michael Burry made false predictions about market crashes.