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Perma-Fix Environmental Services (PESI) Stock Chart & Stock Price History

Perma-Fix Environmental Services logo
$17.45 -0.44 (-2.46%)
Closing price 09/18/2026 04:00 PM Eastern
Extended Trading
$17.46 +0.01 (+0.06%)
As of 09/18/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Perma-Fix Environmental Services Stock Price Performance

The Perma-Fix Environmental Services (PESI) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 90.92%, with a year-to-date return of 38.60%. In the past month, the stock has increased 0.87%, reflecting recent market activity.

As of the latest close, Perma-Fix Environmental Services traded at $17.45 with a market cap of $370.29 million and volume of 860,156 shares. Five years ago, the stock traded at $6.49, representing a 168.88% increase over that period. At the time, it had a market cap of $79.16 million and a volume of 50,269 shares.

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5 Day
Performance
-4.54%
1 Month
Performance
+0.87%
3 Month
Performance
+58.64%
Year-To-Date
Performance
+38.60%
1 Year
Performance
+90.92%
5 Year
Performance
+168.88%

PESI Stock Chart for Saturday, September, 19, 2026

Perma-Fix Environmental Services Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
09/18/2026$17.89$17.45
-2.46%
$18.29$17.29860,156 shs$370.29 million
09/17/2026$18.20$17.89
-1.70%
$19.16$17.81224,021 shs$379.59 million
09/16/2026$18.34$18.20
-0.76%
$18.50$17.72323,945 shs$386.20 million
09/15/2026$18.28$18.34
+0.33%
$18.44$18.03279,419 shs$389.18 million
09/14/2026$18.77$18.28
-2.61%
$18.55$17.93362,986 shs$387.87 million
09/11/2026$18.25$18.77
+2.85%
$19.06$18.50160,159 shs$398.26 million
09/10/2026$18.59$18.25
-1.83%
$18.76$18.12161,656 shs$387.27 million
09/09/2026$18.97$18.59
-2.00%
$19.18$18.36307,944 shs$394.48 million
09/08/2026$18.70$18.97
+1.44%
$19.04$18.41251,731 shs$402.51 million
09/07/2026$18.70$18.70$18.86$18.11206,376 shs$396.81 million
09/04/2026$18.38$18.70
+1.74%
$18.86$18.11206,376 shs$396.81 million
09/03/2026$18.03$18.38
+1.94%
$18.64$17.98103,234 shs$390.02 million
09/02/2026$17.84$18.03
+1.07%
$18.25$17.70176,469 shs$382.56 million
09/01/2026$18.15$17.84
-1.71%
$18.36$17.64245,471 shs$378.57 million
08/31/2026$18.12$18.15
+0.17%
$19.15$18.01217,594 shs$385.14 million
08/28/2026$19.30$18.12
-6.11%
$19.49$18.04186,310 shs$384.51 million
08/27/2026$18.14$19.30
+6.39%
$19.35$18.20376,346 shs$409.55 million
08/26/2026$17.71$18.14
+2.43%
$18.20$17.31456,696 shs$375.77 million
08/25/2026$16.30$17.71
+8.65%
$17.76$16.54621,253 shs$375.81 million
08/24/2026$17.30$16.30
-5.78%
$17.49$15.89448,148 shs$345.89 million
08/21/2026$16.88$17.30
+2.49%
$17.35$16.51224,007 shs$367.11 million
08/20/2026$17.30$16.88
-2.43%
$17.40$16.70383,716 shs$358.16 million
08/19/2026$17.34$17.30
-0.23%
$17.75$17.25195,928 shs$367.11 million
08/18/2026$17.63$17.34
-1.64%
$17.75$17.02226,314 shs$367.96 million

This page (NASDAQ:PESI) was last updated on 9/18/2026 by MarketBeat.com Staff.
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