SPY: Stocks with Huge Volume Spikes


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S&P 500 is showing signs of institutional buying: Buy Imbalance sits at +$864.1 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 $547.43. Large volume bursts in S&P 500 stocks reached 34.3 million shares worth a total of $5.2 billion in transactions. There was notable buy pressure in the Technology and Consumer Discretionary sectors. Overall, buy volume pressure exceeded sell volume pressure by a 1.4 to 1 ratio. There were 94 stocks that had more buy pressure on balance, and 88 stocks that had more sell pressure from large institutions. As a whole, there was a net positive +$864.1 million in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 68.9%, compared with 31.1% 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 +$864.1 million, however, the peak buy imbalance for the day occurred at 1:15 PM, when the net buy dollar volume was +$891.9 million. The largest spike in imbalance came between 11:00 AM and 11:15 AM when the buy pressure outweighed the sell pressure by a 4.8 to 1 ratio.

Flow by Sector

Consumer Discretionary saw the highest amount of dollar volume bursts of all the SPDR sectors, with buy dollar volume exceeding sell dollar volume by $176.0 million. 8 of the Consumer Discretionary stocks had positive dollar balance, versus 12 that were net negative.

Individual Stocks

TSLA stock had the single biggest volume burst activity of all the S&P 500 stocks. Buy volume bursts exceeded sell volume by 2.0 million shares. As of this afternoon, the average purchase price on buy volume was $226.55. The stock has gained $17.73, indicating strength following the trade.