S&P 500 is showing signs of institutional buying: Buy Imbalance reaches +$157.0 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 $382.08. Large volume bursts in S&P 500 stocks reached 24.9 million shares worth a total of $2.8 billion in transactions. There was notable buy pressure in the Health Care and Industrials sectors. Overall, buy volume pressure exceeded sell volume pressure by 0.0%. There were 131 stocks that had more buy pressure on balance, and 79 stocks that had more sell pressure from large institutions. As a whole, there was a net positive +$157.0 million in dollar volume trades. A larger portion of the trading volume matched up in the dark pool, with 51.7% of the large volume transactions being made off-exchange, while only 48.3% was traded on lit exchanges. 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 +$157.0 million, however, the peak buy imbalance for the day occurred at 1:15 PM, when the net buy dollar volume was +$233.8 million. The lowest cumulative sell imbalance occurred at 9:45 AM, when the net sell reached -$94.7 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 2.1 to 1 ratio. Flow by Sector Consumer Discretionary experienced the biggest dollar volume bursts of all the SPDR sectors, with sell dollar volume exceeding buy dollar volume by $11.4 million. 16 of the Consumer Discretionary stocks had positive dollar balance, versus 10 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 outpaced sell volume by 19,715 shares. As of this afternoon, the average purchase price on buy volume was $192.89. Despite the buy pressure, the stock has dropped $3.81 on the day. More