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Montrose Environmental Group (ONT) Stock Chart & Stock Price History

Montrose Environmental Group logo
$17.76 +0.26 (+1.49%)
As of 12:04 PM Eastern

Montrose Environmental Group Stock Price Performance

The Montrose Environmental Group (ONT) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 36.77%, with a year-to-date return of -28.39%. In the past month, the stock has decreased 13.91%, reflecting recent market activity.

As of the latest close, Montrose Environmental Group traded at $17.44 with a market cap of $612.49 million and volume of 541,030 shares. Five years ago, the stock traded at $48.15, representing a 63.12% decrease over that period. At the time, it had a market cap of $1.25 billion and a volume of 295,573 shares.

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5 Day
Performance
+5.28%
1 Month
Performance
-13.91%
3 Month
Performance
+16.84%
Year-To-Date
Performance
-28.39%
1 Year
Performance
-36.77%
5 Year
Performance
-63.12%

ONT Stock Chart for Friday, August, 14, 2026

Montrose Environmental Group Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
08/13/2026$16.32$17.44
+6.86%
$17.53$16.36541,030 shs$612.49 million
08/12/2026$16.36$16.32
-0.24%
$16.72$15.95611,247 shs$589.79 million
08/11/2026$15.72$16.36
+4.07%
$16.52$15.42715,844 shs$591.25 million
08/10/2026$16.87$15.72
-6.82%
$16.32$15.061.16 million shs$568.12 million
08/07/2026$15.17$16.87
+11.21%
$18.10$14.502.93 million shs$609.68 million
08/06/2026$22.80$15.17
-33.46%
$15.77$12.683.05 million shs$548.23 million
08/05/2026$23.05$22.80
-1.08%
$23.32$22.50381,542 shs$823.99 million
08/04/2026$22.07$23.05
+4.44%
$23.26$21.45711,261 shs$833.03 million
08/03/2026$21.03$22.07
+4.95%
$22.17$21.23311,958 shs$797.59 million
07/31/2026$20.33$21.03
+3.44%
$21.08$19.77367,600 shs$760.00 million
07/30/2026$20.27$20.33
+0.30%
$20.39$19.38367,165 shs$734.73 million
07/29/2026$20.64$20.27
-1.79%
$20.72$19.71532,054 shs$732.56 million
07/28/2026$19.79$20.64
+4.30%
$20.64$19.82352,737 shs$745.91 million
07/27/2026$19.66$19.79
+0.66%
$20.24$19.08346,419 shs$715.21 million
07/24/2026$18.63$19.66
+5.53%
$19.93$18.51458,168 shs$710.51 million
07/23/2026$19.86$18.63
-6.19%
$19.96$18.56456,277 shs$673.29 million
07/22/2026$19.42$19.86
+2.27%
$19.90$19.04457,672 shs$717.72 million
07/21/2026$19.90$19.42
-2.41%
$19.86$18.46749,648 shs$701.84 million
07/20/2026$20.93$19.90
-4.92%
$20.63$19.70541,101 shs$719.19 million
07/17/2026$21.66$20.93
-3.37%
$22.18$20.79553,771 shs$756.41 million
07/16/2026$20.57$21.66
+5.30%
$21.84$20.24360,760 shs$782.77 million
07/15/2026$20.63$20.57
-0.29%
$21.22$20.46510,959 shs$743.40 million
07/14/2026$20.04$20.63
+2.94%
$20.81$19.68525,492 shs$745.57 million
07/13/2026$21.07$20.04
-4.89%
$21.26$19.99612,239 shs$724.23 million

This page (NYSE:ONT) was last updated on 8/14/2026 by MarketBeat.com Staff.
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