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

By Mill Chart - Last update: Oct 31, 2025

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


unusualvolume

Top unusual volume stocks

TickerChangeComment
FI1.23%The trading volume of FISERV INC (NYSE:FI) today is 18.15M shares, which is considered unusual. FI is showing a positive trend today, with a price increase of 1.23%. With an average daily volume of 7.53M over the past 50 days, today's volume is 141.0% above the average, indicating a potential shift in market sentiment.
LH0.83%Today's trading session witnessed an unusual volume of 730.29K shares for LABCORP HOLDINGS INC (NYSE:LH). LH is advancing 0.83% today. With an average volume of 581.43K over the past 50 days, the current volume is 25.6% above the average. This deviation signals a potential shift in market dynamics.
META-2.0%35.04M shares of META PLATFORMS INC-CLASS A (NASDAQ:META) exchanged hands today. The share price experienced a decrease of 2.0%. With an average daily volume of 12.96M over the past 50 days, today's volume is 170.0% above the average, indicating a potential shift in market sentiment.
CPAY-0.07%So far 778.47K shares of CORPAY INC (NYSE:CPAY) have traded in today's session. The share price experienced a decrease of 0.07%. This volume is 75.94% above the average 50 day volume.
CMG-3.74%CHIPOTLE MEXICAN GRILL INC (NYSE:CMG) has an unusual volume of 28.84M shares today. The share price decreased by 3.74%. The average daily volume over 50 days is 20.13M, so this is 43.3% above the average volume.
CI-1.8%THE CIGNA GROUP (NYSE:CI) has an unusual volume of 3.2M shares today. The share price decreased by 1.8%. The average volume measured over 50 days is 1.57M, so this is 103.0% above the average volume.
AJG-4.59%The trading activity for ARTHUR J GALLAGHER & CO (NYSE:AJG) has surged with a volume of 3.14M shares today. The share price decreased by 4.59%. The average volume over the last 50 days is 1.44M, making today's volume 117.0% above the average. This signifies a notable change in market participation.
WY-2.72%WEYERHAEUSER CO's (NYSE:WY) traded a high volume of 8.71M shares. This decline in share price leads to a decrease of 2.72%. With an average volume of 4.52M over the past 50 days, the current volume is 92.75% above the average. This deviation signals a potential shift in market dynamics.
RMD-1.5%RESMED INC (NYSE:RMD) has an unusual volume of 1.43M shares today. The share price decreased by 1.5%. The average daily volume over 50 days is 975.14K, so this is 47.04% above the average volume. A press release (Resmed Inc. Announces Results for the First Quarter of Fiscal Year 2026) was released yesterday.
AON3.1%AON PLC-CLASS A (NYSE:AON) has an unusual volume of 1.53M shares today. Investors in AON are enjoying a price surge of 3.1% today, indicating bullish market sentiment. This volume is 30.18% above the average 50 day volume. The company's earnings where released Yesterday.

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

ARTHUR J GALLAGHER & CO

NYSE:AJG (3/2/2026, 8:04:00 PM)

After market: 229.27 0 (0%)

229.27

+1.07 (+0.47%)


THE CIGNA GROUP

NYSE:CI (3/2/2026, 8:08:46 PM)

After market: 290.85 0 (0%)

290.85

+1.03 (+0.36%)


RESMED INC

NYSE:RMD (3/2/2026, 8:04:00 PM)

After market: 257.39 0 (0%)

257.39

+1.13 (+0.44%)


LABCORP HOLDINGS INC

NYSE:LH (3/2/2026, 8:04:00 PM)

After market: 286.47 0 (0%)

286.47

-2.65 (-0.92%)


WEYERHAEUSER CO

NYSE:WY (3/2/2026, 8:04:00 PM)

After market: 24.71 +0.09 (+0.37%)

24.62

+0.09 (+0.37%)


CHIPOTLE MEXICAN GRILL INC

NYSE:CMG (3/2/2026, 8:04:00 PM)

After market: 36.62 -0.07 (-0.19%)

36.69

-0.53 (-1.42%)


AON PLC-CLASS A

NYSE:AON (3/2/2026, 8:04:00 PM)

After market: 337.8 0 (0%)

337.8

+2.33 (+0.69%)


META PLATFORMS INC-CLASS A

NASDAQ:META (3/2/2026, 8:00:00 PM)

After market: 651.01 -2.55 (-0.39%)

653.56

+5.38 (+0.83%)


FISERV INC

NYSE:FI (11/10/2025, 8:04:00 PM)

After market: 63.6172 -0.18 (-0.29%)

63.8

+0.1 (+0.16%)


CORPAY INC

NYSE:CPAY (3/2/2026, 8:11:07 PM)

After market: 332.01 0 (0%)

332.01

+6.91 (+2.13%)



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