The stock market experienced significant fluctuations, with the S&P 500 Index ($SPX) and other major indices showing volatility. The $SPX saw a potential downside of 1.75% to close the FOMC gap at 5,618.26. Despite the lack of selling pressure, there were no significant buyers, leading to some profit-taking. The $ES_F experienced buyer exhaustion at the opening bell, followed by seller exhaustion around 10:57 am, marking a near-term bottom. The most active put strike in $SPX rolled lower to the $ES_F 5786.5 level, which was subsequently hit. The $SPX also had juicy downside points to cash gap fill to Wednesday's close. $SPY traded 23M shares at 1:30 pm.