S&P 500 has seen increased institutional selling: Sell Imbalance hits -$394.8 million
Following the Big Money in S&P 500 Stocks
So far in trading today, the S&P 500 ETF is up 1.7%. SPY stock last traded at $663.52. Large volume bursts in S&P 500 stocks reached 76.1 million shares worth a total of $12.7 billion in transactions. There was notable buy pressure in the Consumer Staples and Health Care sectors. Overall, sell volume pressure outpaced buy volume pressure by 6.6%. There were 176 stocks that had more buy pressure on balance, and 145 stocks that had more sell pressure from large institutions. As a whole, there was a net negative -$394.8 million in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 53.4%, compared with 46.6% being transacted in the dark pool. To learn more about large volume trades, check out our help section.
Daily Chart: Large Volume Bursts Over Time
As you can see from the chart below, the most recent cumulative sell imbalance is -$394.8 million, however, the furthest sell imbalance for the day occurred at 10:45 AM, when the net sell dollar volume was -$1.2 billion. The largest spike in imbalance came between 10:30 AM and 10:45 AM when the sell pressure surpassed the buy pressure by a 4.3 to 1 ratio.
Flow by Sector
Technology had the highest amount of dollar volume bursts of all the SPDR sectors, with sell dollar volume exceeding buy dollar volume by $602.4 million. 26 of the Technology stocks had positive dollar balance, versus 28 that were net negative.
Individual Stocks
NVDA stock had the single biggest volume burst activity of all the S&P 500 stocks. Sell volume bursts outpaced buy volume by 634,216 shares. As of this afternoon, the average trade price on sell volume was $176.57. Even though the sell pressure has been significant, the stock price has risen $3.55 on the day.

