S&P 500 is showing signs of institutional buying: Buy Imbalance sits at +$186.6 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 $685.40. Large volume bursts in S&P 500 stocks reached 14.7 million shares worth a total of $2.7 billion in transactions. There was notable buy pressure in the Consumer Discretionary and Technology sectors. Overall, buy volume pressure outpaced sell volume pressure by a 1.2 to 1 ratio. There were 87 stocks that had more buy pressure on balance, and 84 stocks that had more sell pressure from large institutions. As a whole, there was a net positive +$186.6 million in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 61.1%, compared with 38.9% 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 +$186.6 million, however, the peak buy imbalance for the day occurred at 1:30 PM, when the net buy dollar volume was +$194.4 million. The lowest cumulative sell imbalance occurred at 11:00 AM, when the net sell reached -$87.6 million. The largest spike in imbalance came between 1:00 PM and 1:15 PM when the buy pressure outweighed the sell pressure by a 8.4 to 1 ratio.
Flow by Sector
Technology experienced the biggest dollar volume bursts of all the SPDR sectors, with buy dollar volume exceeding sell dollar volume by $107.3 million. 19 of the Technology stocks had positive dollar balance, versus 16 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 surpassed sell volume by 754,240 shares. As of this afternoon, the average purchase price on buy volume was $189.15. The stock price increased $1.29, indicating strength following the trade.

