S&P 500 has seen increased institutional selling: Sell Imbalance reaches -$449.2 million
Following the Big Money in S&P 500 Stocks
So far in trading today, the S&P 500 ETF is unchanged. SPY stock last traded at $684.16. Large volume bursts in S&P 500 stocks reached 64.4 million shares worth a total of $9.1 billion in transactions. There was notable buy pressure in the Technology and Energy sectors. Overall, sell volume pressure exceeded buy volume pressure by 11.4%. There were 150 stocks that had more buy pressure on balance, and 148 stocks that had more sell pressure from large institutions. As a whole, there was a net negative -$449.2 million in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 51.8%, compared with 48.2% 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 -$449.2 million, however, the furthest sell imbalance for the day occurred at 11:45 AM, when the net sell dollar volume was -$796.5 million. The largest spike in imbalance came between 10:00 AM and 10:15 AM when the sell pressure surpassed the buy pressure by a 3.3 to 1 ratio.
Flow by Sector
Technology had the highest amount of dollar volume bursts of all the SPDR sectors, with buy dollar volume exceeding sell dollar volume by $444.6 million. 26 of the Technology stocks had positive dollar balance, versus 19 that were net negative.
Individual Stocks
DAY stock had the single biggest volume burst activity of all the S&P 500 stocks. Sell volume bursts outpaced buy volume by 3.5 million shares. As of this afternoon, the average trade price on sell volume was $69.08. Even though the sell pressure has been significant, the stock price has risen $0.01 on the day.

