The trade, according to Bloomberg, amounted to the equivalent of 11 million shares and positions for the ETF to rally about 10%, and was partially funded by selling the $270-$276 put spread on the equivalent of 1.1 million shares.
The punchline: if the S&P500 surges to where the $315 SPY calls end up in the money and are fully exercised, the trade will yield a net position of about $3.5 billion for the investor.
In other words, if Powell folds to presidential pressure and goes all-in to support stocks by launching QE in the next two months, at least one trader will be able to retire very soon.