SPY: Stocks with Huge Volume Spikes


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S&P 500 is indicating institutional selling: Sell Imbalance sits at -$84.4 million

Following the Big Money in S&P 500 Stocks

So far in trading today, the S&P 500 ETF is up 0.6%. SPY stock last traded at $576.39. Large volume bursts in S&P 500 stocks reached 42.6 million shares worth a total of $5.0 billion in transactions. There was notable buy pressure in the Technology and Consumer Discretionary sectors. Overall, sell volume pressure outpaced buy volume pressure by 3.5%. There were 123 stocks that had more buy pressure on balance, and 95 stocks that had more sell pressure from large institutions. As a whole, there was a net negative -$84.4 million in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 52.9%, compared with 47.1% 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 sell imbalance is -$84.4 million, however, the furthest sell imbalance for the day occurred at 10:15 AM, when the net sell dollar volume was -$285.5 million. The highest cumulative buy imbalance occurred at 12:00 PM, when the net buy hit +$4.1 million. The largest spike in imbalance came between 9:30 AM and 9:45 AM when the sell pressure surpassed the buy pressure by a 2.6 to 1 ratio.

Flow by Sector

Technology had the largest dollar volume bursts of all the SPDR sectors, with buy dollar volume exceeding sell dollar volume by $213.4 million. 30 of the Technology stocks had positive dollar balance, versus 15 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 exceeded buy volume by 2.0 million shares. As of this afternoon, the average trade price on sell volume was $132.66. The stock has fallen $0.93, indicating weakness following the trade.