S&P 500 has seen increased institutional buying: Buy Imbalance hits +$2.4 billion
Following the Big Money in S&P 500 Stocks
So far in trading today, the S&P 500 ETF is up 0.4%. SPY stock last traded at $748.98. Large volume bursts in S&P 500 stocks reached 51.7 million shares worth a total of $13.3 billion in transactions. There was notable buy pressure in the Technology and Communication Services sectors. Overall, buy volume pressure surpassed sell volume pressure by a 1.5 to 1 ratio. There were 155 stocks that had more buy pressure on balance, and 122 stocks that had more sell pressure from large institutions. As a whole, there was a net positive +$2.4 billion in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 70.1%, compared with 29.9% 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 of +$2.4 billion occurred at 2:00 PM. This also represented the peak buy imbalance for the day. The largest spike in imbalance came between 9:30 AM and 9:45 AM when the buy pressure outweighed the sell pressure by a 3.3 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 $2.4 billion. 45 of the Technology stocks had positive dollar balance, versus 14 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 exceeded buy volume by 110,383 shares. As of this afternoon, the average trade price on sell volume was $214.64. The stock has fallen $1.86, indicating weakness following the trade.

