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Assembly Biosciences (ASMB) Stock Chart & Stock Price History

Assembly Biosciences logo
$22.54 -0.44 (-1.91%)
Closing price 04:00 PM Eastern
Extended Trading
$22.49 -0.05 (-0.22%)
As of 04:15 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.

Assembly Biosciences Stock Price Performance

The Assembly Biosciences (ASMB) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 5.57%, with a year-to-date return of -34.20%. In the past month, the stock has decreased 39.05%, reflecting recent market activity.

As of the latest close, Assembly Biosciences traded at $22.98 with a market cap of $467.87 million and volume of 350,802 shares. Five years ago, the stock traded at a split-adjusted price of $41.52, representing a 46.10% decrease over that period. At the time, it had a market cap of $155.60 million and a volume of 55,725 shares.

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5 Day
Performance
-5.45%
1 Month
Performance
-39.05%
3 Month
Performance
-19.32%
Year-To-Date
Performance
-34.20%
1 Year
Performance
-5.57%
5 Year
Performance
-46.10%

ASMB Stock Chart for Friday, October, 2, 2026

Assembly Biosciences Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
10/01/2026$23.49$22.98
-2.17%
$23.66$22.75350,802 shs$467.87 million
09/30/2026$23.48$23.49
+0.04%
$23.87$23.23221,117 shs$478.28 million
09/29/2026$23.61$23.48
-0.55%
$23.79$23.05229,738 shs$478.05 million
09/28/2026$23.67$23.61
-0.25%
$23.86$23.05117,453 shs$480.70 million
09/25/2026$23.66$23.67
+0.04%
$24.25$23.43143,522 shs$481.92 million
09/24/2026$23.97$23.66
-1.29%
$24.02$23.15179,005 shs$481.74 million
09/23/2026$25.45$23.97
-5.82%
$25.63$23.89275,247 shs$488.03 million
09/22/2026$25.44$25.45
+0.04%
$25.89$25.121.07 million shs$518.16 million
09/21/2026$24.97$25.44
+1.88%
$25.73$24.85211,868 shs$517.98 million
09/18/2026$25.34$24.97
-1.46%
$25.78$24.831.41 million shs$508.41 million
09/17/2026$25.48$25.34
-0.55%
$26.30$25.10364,771 shs$515.92 million
09/16/2026$26.11$25.48
-2.41%
$26.69$25.13348,787 shs$518.77 million
09/15/2026$28.96$26.11
-9.84%
$29.66$25.31588,848 shs$531.63 million
09/14/2026$29.80$28.96
-2.82%
$30.48$28.79290,074 shs$589.63 million
09/11/2026$30.46$29.80
-2.17%
$31.72$29.68258,936 shs$606.73 million
09/10/2026$32.87$30.46
-7.33%
$32.69$30.34348,620 shs$620.17 million
09/09/2026$35.28$32.87
-6.83%
$35.93$32.73724,747 shs$669.27 million
09/08/2026$36.60$35.28
-3.61%
$36.68$35.15227,652 shs$718.30 million
09/07/2026$36.60$36.60$36.77$35.49156,451 shs$745.18 million
09/04/2026$36.13$36.60
+1.30%
$36.77$35.49156,451 shs$745.18 million
09/03/2026$36.72$36.13
-1.61%
$36.80$35.54224,976 shs$735.64 million
09/02/2026$35.18$36.72
+4.38%
$37.01$34.86267,530 shs$747.62 million
09/01/2026$33.63$35.18
+4.61%
$35.33$33.43301,098 shs$716.27 million

This page (NASDAQ:ASMB) was last updated on 10/2/2026 by MarketBeat.com Staff.
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