S&P 500 Large Volume Bursts Reach $5.0 billion


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S&P 500 has seen increased institutional selling: Sell Imbalance sits at -$780.3 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 $537.31. Large volume bursts in S&P 500 stocks reached 42.2 million shares worth a total of $5.0 billion in transactions. There was notable buy pressure in the Financial and Materials sectors. Overall, sell volume pressure surpassed buy volume pressure by a 1.4 to 1 ratio. There were 115 stocks that had more buy pressure on balance, and 112 stocks that had more sell pressure from large institutions. As a whole, there was a net negative -$780.3 million in dollar volume trades. A greater amount of the trading volume occurred on lit exchanges, at 56.4%, compared with 43.6% 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 -$780.3 million, however, the furthest sell imbalance for the day occurred at 1:00 PM, when the net sell dollar volume was -$845.8 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 5.9 to 1 ratio.

Flow by Sector

Technology had the largest dollar volume bursts of all the SPDR sectors, with sell dollar volume exceeding buy dollar volume by $463.3 million. 17 of the Technology stocks had positive dollar balance, versus 26 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 2.4 million shares. As of this afternoon, the average trade price on sell volume was $111.55. The stock has fallen $0.95, indicating weakness following the trade.