SPY: Stocks with Huge Volume Spikes


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S&P 500 is showing signs of institutional selling: Sell Imbalance hits -$1.2 billion

Following the Big Money in S&P 500 Stocks

So far in trading today, the S&P 500 ETF is down 1.1%. SPY stock last traded at $561.16. Large volume bursts in S&P 500 stocks reached 39.0 million shares worth a total of $5.0 billion in transactions. There was notable buy pressure in the Financial and Energy sectors. Overall, sell volume pressure outpaced buy volume pressure by a 1.6 to 1 ratio. There were 94 stocks that had more buy pressure on balance, and 142 stocks that had more sell pressure from large institutions. As a whole, there was a net negative -$1.2 billion in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 50.7%, compared with 49.3% 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 sell imbalance is -$1.2 billion, however, the furthest sell imbalance for the day occurred at 1:45 PM, when the net sell dollar volume was -$1.2 billion. The largest spike in imbalance came between 9:30 AM and 9:45 AM when the sell pressure surpassed the buy pressure by a 4.1 to 1 ratio.

Flow by Sector

Technology had the most dollar volume bursts of all the SPDR sectors, with sell dollar volume exceeding buy dollar volume by $472.4 million. 9 of the Technology stocks had positive dollar balance, versus 22 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 surpassed buy volume by 1.1 million shares. As of this afternoon, the average trade price on sell volume was $116.04. The stock has dropped $2.66, indicating weakness following the trade.