S&P 500: Large Volume Trades in Focus


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S&P 500 has seen increased institutional buying: Buy Imbalance hits +$140.1 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 $579.60. Large volume bursts in S&P 500 stocks reached 45.0 million shares worth a total of $5.7 billion in transactions. There was notable buy pressure in the Health Care and Consumer Discretionary sectors. Overall, buy volume pressure outpaced sell volume pressure by 0.0%. There were 148 stocks that had more buy pressure on balance, and 118 stocks that had more sell pressure from large institutions. As a whole, there was a net positive +$140.1 million in dollar volume trades. A larger portion of the trading volume matched up in the dark pool, with 56.9% of the large volume transactions being made off-exchange, while only 43.1% was traded on lit exchanges. 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 +$140.1 million, however, the peak buy imbalance for the day occurred at 1:00 PM, when the net buy dollar volume was +$219.5 million. The lowest cumulative sell imbalance occurred at 11:15 AM, when the net sell reached -$466.4 million. The largest spike in imbalance came between 11:15 AM and 11:30 AM when the buy pressure outweighed the sell pressure by a 6.1 to 1 ratio.

Flow by Sector

Technology saw the most dollar volume bursts of all the SPDR sectors, with buy dollar volume exceeding sell dollar volume by $100.7 million. 25 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. Buy volume bursts outpaced sell volume by 574,255 shares. As of this afternoon, the average purchase price on buy volume was $131.94. Despite the buy pressure, the stock has dropped $3.76 on the day.