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

Last update: Jul 31, 2025

Discover the S&P500 stocks that are experiencing unusual trading volume in today's session. Find out more about these stocks below.

Top unusual volume stocks

Ticker	Change	Comment
PANW	-4.45%	Today's trading session witnessed an unusual volume of 16.23M shares for PALO ALTO NETWORKS INC (NASDAQ:PANW). This decline in share price leads to a decrease of 4.45%. This is 178.0% above the average daily volume of the last 50 days.
UPS	-0.49%	With 6.86M shares traded so far, UNITED PARCEL SERVICE-CL B (NYSE:UPS) is experiencing an unusual level of activity today. Shares are falling by 0.49%. Today's trading volume is 21.85% above the average 50-day volume, indicating a significant deviation from the norm.
GNRC	7.37%	The trading volume of GENERAC HOLDINGS INC (NYSE:GNRC) today is 1.7M shares, which is considered unusual. Leading to a price increase of 7.37%. The current trading volume is 74.02% above the average 50-day volume. This indicates a significant deviation from the average trading activity.
CVS	1.65%	With 14.39M shares traded so far, CVS HEALTH CORP (NYSE:CVS) is experiencing an unusual level of activity today. CVS is showing a positive trend today, with a price increase of 1.65%. In comparison to the average daily volume of the last 50 days, the current volume is 90.13% above. This suggests a notable change in trading activity. CVS HEALTH CORP released earnings Yesterday. A press release (CVS HEALTH CORPORATION REPORTS SECOND QUARTER 2025 RESULTS AND UPDATES FULL-YEAR 2025 GUIDANCE) was released earlier today.
CHRW	16.96%	The stock of C.H. ROBINSON WORLDWIDE INC (NASDAQ:CHRW) has caught attention with a significant volume of 2.57M shares today. The share price of CHRW increased by 16.96% today, reflecting positive market movement. This volume is 135.0% above the average 50 day volume. Yesterday the company had a press release: C.H. Robinson Reports 2025 Second Quarter Results.
TYL	4.97%	Today's trading session witnessed an unusual volume of 521.94K shares for TYLER TECHNOLOGIES INC (NYSE:TYL). The market is favoring TYL today, as its share price records a notable increase of 4.97%. The average volume measured over 50 days is 290.01K, so this is 79.97% above the average volume. A press release (Tyler Technologies Reports Second Quarter 2025 Results) was released yesterday.
ALGN	-34.86%	So far 8.18M shares of ALIGN TECHNOLOGY INC (NASDAQ:ALGN) have traded in today's session. The current market conditions have led to a price decrease of 34.86% for ALGN. This volume is 827.0% above the average 50 day volume. Yesterday the company had a press release: Align Technology Announces Second Quarter 2025 Financial Results.
EBAY	18.19%	EBAY INC (NASDAQ:EBAY) has an unusual volume of 11.16M shares today. Shares in EBAY are on the rise, with a gain of 18.19% observed in today's trading session. The current trading volume is 110.0% above the average 50-day volume. This indicates a significant deviation from the average trading activity.
WDC	8.69%	With 12.81M shares traded so far, WESTERN DIGITAL CORP (NASDAQ:WDC) is experiencing an unusual level of activity today. The market is favoring WDC today, as its share price records a notable increase of 8.69%. In comparison to the average daily volume of the last 50 days, the current volume is 100.0% above. This suggests a notable change in trading activity. Yesterday the company had a press release: Western Digital Reports Fiscal Fourth Quarter and Fiscal Year 2025 Financial Results.
CZR	-2.76%	So far 6.89M shares of CAESARS ENTERTAINMENT INC (NASDAQ:CZR) have traded in today's session. Shares are witnessing a downward movement, with a decrease of 2.76%. Today's trading volume is 29.42% above the average 50-day volume, indicating a significant deviation from the norm. Two days ago the company had a press release: Caesars Entertainment, Inc. Reports Second Quarter 2025 Results.