S&P 500 is showing signs of institutional buying: Buy Imbalance sits at +$184.4 million
Following the Big Money in S&P 500 Stocks
So far in trading today, the S&P 500 ETF is down 0.8%. SPY stock last traded at $683.57. Large volume bursts in S&P 500 stocks reached 55.6 million shares worth a total of $8.2 billion in transactions. There was notable buy pressure in the Health Care and Industrials sectors. Overall, buy volume pressure surpassed sell volume pressure by 0.0%. There were 171 stocks that had more buy pressure on balance, and 139 stocks that had more sell pressure from large institutions. As a whole, there was a net positive +$184.4 million in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 58.1%, compared with 41.9% 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 is +$184.4 million, however, the peak buy imbalance for the day occurred at 11:30 AM, when the net buy dollar volume was +$617.1 million. The lowest cumulative sell imbalance occurred at 9:45 AM, when the net sell reached -$38.0 million. The largest spike in imbalance came between 12:15 PM and 12:30 PM when the sell pressure surpassed the buy pressure by a 4.3 to 1 ratio.
Flow by Sector
Technology had the largest dollar volume bursts of all the SPDR sectors, with sell dollar volume exceeding buy dollar volume by $273.1 million. 33 of the Technology stocks had positive dollar balance, versus 20 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 2.7 million shares. As of this afternoon, the average trade price on sell volume was $179.95. The stock has dropped $6.31, indicating weakness following the trade.

