S&P 500 has seen increased institutional buying: Buy Imbalance reaches +$1.3 billion
Following the Big Money in S&P 500 Stocks
So far in trading today, the S&P 500 ETF is up 0.7%. SPY stock last traded at $694.97. Large volume bursts in S&P 500 stocks reached 63.7 million shares worth a total of $9.7 billion in transactions. There was notable buy pressure in the Technology and Communication Services sectors. Overall, buy volume pressure exceeded sell volume pressure by a 1.3 to 1 ratio. There were 155 stocks that had more buy pressure on balance, and 134 stocks that had more sell pressure from large institutions. As a whole, there was a net positive +$1.3 billion in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 55.0%, compared with 45.0% 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 buy imbalance is +$1.3 billion, however, the peak buy imbalance for the day occurred at 1:15 PM, when the net buy dollar volume was +$1.3 billion. The largest spike in imbalance came between 9:30 AM and 9:45 AM when the buy pressure outweighed the sell pressure by a 3.1 to 1 ratio.
Flow by Sector
Technology experienced the most dollar volume bursts of all the SPDR sectors, with buy dollar volume exceeding sell dollar volume by $857.5 million. 25 of the Technology stocks had positive dollar balance, versus 27 that were net negative.
Individual Stocks
NVDA stock had the single biggest volume burst activity of all the S&P 500 stocks. Buy volume bursts outpaced sell volume by 2.6 million shares. As of this afternoon, the average purchase price on buy volume was $188.52. The stock price increased $6.41, indicating strength following the trade.

