Couldn't insiders just trade Brent Crude futures and do the same thing? There's more than enough liquidity in Brent that an insider can make great money.
That more-or-less happened over the weekend [0]. Five minutes before Trump's unsurprising TACO announcement an unexpected large number of WTI futures contracts were sold and an even larger amount of S&P 500 futures were purchased. 0. https://www.cnbc.com/amp/2026/03/23/volume-in-stock-and-oil-...
But why? You can trade Brent or WTI and do the same exact thing with much less scrutiny. $800k of Brent futures is nothing, and instead of having to risk your entire bet going bust like in prediction markets and their binary outcomes you can just take a loss on your investment instead if you time your exit incorrectly.