S&P 500 is showing signs of institutional buying: Buy Imbalance sits at +$954.5 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 $757.17. Large volume bursts in S&P 500 stocks reached 44.3 million shares worth a total of $11.5 billion in transactions. There was notable buy pressure in the Communication Services and Health Care sectors. Overall, buy volume pressure exceeded sell volume pressure by a 1.2 to 1 ratio. There were 157 stocks that had more buy pressure on balance, and 124 stocks that had more sell pressure from large institutions. As a whole, there was a net positive +$954.5 million in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 63.2%, compared with 36.8% 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 +$954.5 million occurred at 2:00 PM. This also represented the peak buy imbalance for the day. The lowest cumulative sell imbalance occurred at 10:15 AM, when the net sell reached -$460.1 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 2.4 to 1 ratio.
Flow by Sector
Technology had the most dollar volume bursts of all the SPDR sectors, with buy dollar volume exceeding sell dollar volume by $100.0 million. 27 of the Technology stocks had positive dollar balance, versus 29 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 exceeded sell volume by 719,945 shares. As of this afternoon, the average purchase price on buy volume was $216.39. The stock has rallied $4.84, indicating strength following the trade.

