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Siga Technologies (SIGA) Stock Chart & Stock Price History

Siga Technologies logo
$3.23 +0.02 (+0.62%)
Closing price 09/3/2026 04:00 PM Eastern
Extended Trading
$3.21 -0.02 (-0.68%)
As of 04:11 AM 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.

Siga Technologies Stock Price Performance

The Siga Technologies (SIGA) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 61.96%, with a year-to-date return of -47.14%. In the past month, the stock has decreased 0.31%, reflecting recent market activity.

As of the latest close, Siga Technologies traded at $3.23 with a market cap of $232.08 million and volume of 830,134 shares. Five years ago, the stock traded at $7.05, representing a 54.18% decrease over that period. At the time, it had a market cap of $529.29 million and a volume of 457,551 shares.

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5 Day
Performance
+5.56%
1 Month
Performance
-0.31%
3 Month
Performance
-27.09%
Year-To-Date
Performance
-47.14%
1 Year
Performance
-61.96%
5 Year
Performance
-54.18%

SIGA Stock Chart for Friday, September, 4, 2026

Siga Technologies Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
09/03/2026$3.21$3.23
+0.62%
$3.28$3.16830,134 shs$232.08 million
09/02/2026$3.24$3.21
-0.93%
$3.26$3.18663,201 shs$230.64 million
09/01/2026$3.14$3.24
+3.18%
$3.28$3.111.08 million shs$232.79 million
08/31/2026$3.06$3.14
+2.61%
$3.16$3.00889,197 shs$225.61 million
08/28/2026$3.06$3.06$3.08$2.99568,566 shs$219.86 million
08/27/2026$3.07$3.06
-0.33%
$3.09$2.91813,647 shs$219.86 million
08/26/2026$3.04$3.07
+0.99%
$3.11$3.00651,123 shs$220.58 million
08/25/2026$2.94$3.04
+3.40%
$3.05$2.96375,040 shs$218.42 million
08/24/2026$3.04$2.94
-3.29%
$3.12$2.92667,073 shs$211.24 million
08/21/2026$2.97$3.04
+2.36%
$3.09$2.951.54 million shs$218.42 million
08/20/2026$3.11$2.97
-4.50%
$3.10$2.93582,490 shs$213.39 million
08/19/2026$2.99$3.11
+4.01%
$3.12$2.97898,451 shs$223.45 million
08/18/2026$2.93$2.99
+2.05%
$3.00$2.88456,988 shs$214.83 million
08/17/2026$3.00$2.93
-2.33%
$3.00$2.88766,206 shs$210.52 million
08/14/2026$2.88$3.00
+4.17%
$3.01$2.86587,811 shs$215.55 million
08/13/2026$2.87$2.88
+0.35%
$2.94$2.86479,855 shs$206.93 million
08/12/2026$2.88$2.87
-0.35%
$2.92$2.83636,596 shs$206.21 million
08/11/2026$2.93$2.88
-1.71%
$2.99$2.87582,231 shs$206.93 million
08/10/2026$3.05$2.93
-3.93%
$3.08$2.861.02 million shs$210.52 million
08/07/2026$3.12$3.05
-2.24%
$3.19$3.04677,625 shs$218.75 million
08/06/2026$3.15$3.12
-0.95%
$3.20$3.10487,797 shs$223.78 million
08/05/2026$3.24$3.15
-2.78%
$3.24$3.11417,990 shs$225.92 million
08/04/2026$3.21$3.24
+0.93%
$3.29$3.19468,137 shs$232.37 million
08/03/2026$3.27$3.21
-1.83%
$3.31$3.18515,535 shs$230.23 million

This page (NASDAQ:SIGA) was last updated on 9/3/2026 by MarketBeat.com Staff.
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