6.50am New York time is an unusual time for a rush on trades on West Texas Intermediate May futures.
But it showed that all of a sudden, a substantial sum of money was bet on oil prices dropping and the stock market rising.
READ MORE: Single Trump post sends oil prices tumbling.
In the space of a minute, more than $800 million in trades was made on oil futures.
The S&P 500 futures market surged and crude oil prices dropped through the floor.
Today's future market trades are not the first time eyebrows have been raised at suspicious bets before a Trump decision.
Meanwhile on Polymarket, 150 accounts bet more than a million dollars that the US would strike Iran the next day. »