In today's session, there are S&P500 stocks with remarkable trading volume.

Last update: May 14, 2025

Let's have a look at the S&P500 stocks with an unusual volume in today's session.

Top unusual volume stocks

TickerChangeComment
UNH-0.12%21.09M shares of UNITEDHEALTH GROUP INC (NYSE:UNH) have been traded so far today. The current market conditions have led to a price decrease of 0.12% for UNH. The average daily volume over 50 days is 8.06M, so this is 162.0% above the average volume. A press release (UNH BREAKING NEWS: UnitedHealth Group Incorporated Replaces CEO and Suspends Guidance – Contact BFA Law about the Class Action if You Lost Money (NYSE:UNH)) was released yesterday.
NDAQ-0.59%5.43M shares of NASDAQ INC (NASDAQ:NDAQ) exchanged hands today. Leading to a price decrease of 0.59%. Compared to the average daily volume of the past 50 days, the current volume is 52.12% above, suggesting an unusual level of trading activity. Two days ago the company had a press release: The Stock Exchange of Thailand Expands Strategic Partnership with Nasdaq to Modernize Capital Market Ecosystem.
AMD5.33%Today, ADVANCED MICRO DEVICES (NASDAQ:AMD) stands out with a high volume of 61.08M shares. The market is favoring AMD today, as its share price records a notable increase of 5.33%. Compared to the average daily volume of the past 50 days, the current volume is 48.79% above, suggesting an unusual level of trading activity. A press release (AMD Announces New $6 Billion Share Repurchase Authorization) was released earlier today.
SMCI17.19%So far 122.33M shares of SUPER MICRO COMPUTER INC (NASDAQ:SMCI) have traded in today's session. Leading to a price increase of 17.19%. The average daily volume over the past 50 days is 54.46M. Hence, the current volume is 125.0% above the average volume, indicating a deviation from the usual trading pattern.

Our unusual volume stocks screener will show you the full list.

NASDAQ INC

NASDAQ:NDAQ (2/9/2026, 8:19:22 PM)

After market: 86.3 0 (0%)

86.3

+1.47 (+1.73%)


UNITEDHEALTH GROUP INC

NYSE:UNH (2/9/2026, 8:04:00 PM)

After market: 275.1 -0.6 (-0.22%)

275.7

-0.95 (-0.34%)


SUPER MICRO COMPUTER INC

NASDAQ:SMCI (2/9/2026, 8:00:03 PM)

After market: 33.38 -0.15 (-0.45%)

33.53

-0.85 (-2.47%)


ADVANCED MICRO DEVICES

NASDAQ:AMD (2/9/2026, 8:00:01 PM)

After market: 215.138 -0.86 (-0.4%)

216

+7.56 (+3.63%)



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