S&P 500 Large Volume Bursts Reach $6.0 billion


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S&P 500 is showing signs of institutional selling: Sell Imbalance hits -$938.5 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 $543.91. Large volume bursts in S&P 500 stocks reached 43.6 million shares worth a total of $6.0 billion in transactions. There was notable buy pressure in the Consumer Discretionary and Industrials sectors. Overall, sell volume pressure exceeded buy volume pressure by a 1.4 to 1 ratio. There were 104 stocks that had more buy pressure on balance, and 102 stocks that had more sell pressure from large institutions. As a whole, there was a net negative -$938.5 million in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 57.8%, compared with 42.2% 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 of -$938.5 million occurred at 2:15 PM. This also represented the largest sell imbalance for the day. The highest cumulative buy imbalance occurred at 12:30 PM, when the net buy hit +$300.4 million. The largest spike in imbalance came between 1:45 PM and 2:00 PM when the sell pressure surpassed the buy pressure by a 27.7 to 1 ratio.

Flow by Sector

Technology saw the highest amount of dollar volume bursts of all the SPDR sectors, with sell dollar volume exceeding buy dollar volume by $993.9 million. 21 of the Technology stocks had positive dollar balance, versus 18 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 8.3 million shares. As of this afternoon, the average trade price on sell volume was $126.37. The stock has fallen $4.38, indicating weakness following the trade.