SPY: Stocks with Huge Volume Spikes


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S&P 500 is showing signs of institutional buying: Buy Imbalance sits at +$69.2 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 $559.17. Large volume bursts in S&P 500 stocks reached 24.1 million shares worth a total of $2.9 billion in transactions. There was notable buy pressure in the Technology and Health Care sectors. Overall, buy volume pressure exceeded sell volume pressure by 0.0%. There were 91 stocks that had more buy pressure on balance, and 87 stocks that had more sell pressure from large institutions. As a whole, there was a net positive +$69.2 million in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 66.0%, compared with 34.0% 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 +$69.2 million, however, the peak buy imbalance for the day occurred at 10:15 AM, when the net buy dollar volume was +$292.5 million. The largest spike in imbalance came between 11:15 AM and 11:30 AM when the sell pressure surpassed the buy pressure by a 5.6 to 1 ratio.

Flow by Sector

Technology experienced the largest dollar volume bursts of all the SPDR sectors, with buy dollar volume exceeding sell dollar volume by $162.3 million. 21 of the Technology stocks had positive dollar balance, versus 12 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 263,852 shares. As of this afternoon, the average purchase price on buy volume was $120.25. The stock has gained $0.83, indicating strength following the trade.