Siga Technologies (SIGA) Stock Chart & Stock Price History $9.28 -0.02 (-0.20%) As of 09:32 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartCompetitorsDividendEarningsFDA EventsFinancialsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock 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 1.58%, with a year-to-date return of 54.43%. In the past month, the stock has increased 37.09%, reflecting recent market activity. As of the latest close, Siga Technologies traded at $9.30 with a market cap of $665.97 million and volume of 749,377 shares. Five years ago, the stock traded at $7.24, representing a 28.19% increase over that period. At the time, it had a market cap of $566.38 million and a volume of 440,700 shares. 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Email Address 5 Day Performance+3.58%1 Month Performance+37.09%3 Month Performance+56.25%Year-To-Date Performance+54.43%1 Year Performance-1.58%5 Year Performance+28.19% SIGA Stock Chart for Wednesday, August, 13, 2025 SIGA Chart by TradingView Siga Technologies Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization08/12/2025$9.48$9.30-1.90%$9.52$9.12749,377 shs$665.97 million08/11/2025$8.96$9.48+5.80%$9.62$9.021.42 million shs$678.83 million08/08/2025$8.55$8.96+4.80%$9.11$8.50831,891 shs$641.63 million08/07/2025$7.26$8.55+17.77%$8.77$7.381.35 million shs$610.82 million08/06/2025$6.60$7.26+10.00%$7.80$6.891.35 million shs$518.65 million08/05/2025$6.65$6.60-0.75%$6.69$6.52471,267 shs$471.50 million08/04/2025$6.46$6.65+2.94%$6.66$6.48282,367 shs$475.08 million08/01/2025$6.61$6.46-2.27%$6.57$6.38409,487 shs$461.51 million07/31/2025$6.67$6.61-0.90%$6.66$6.52278,729 shs$472.22 million07/30/2025$7.01$6.67-4.85%$7.11$6.65341,738 shs$476.51 million Get the Latest News and Ratings for SIGA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Siga Technologies and its competitors with MarketBeat's FREE daily newsletter. 07/29/2025$7.21$7.01-2.77%$7.21$7.00387,079 shs$500.80 million07/28/2025$7.14$7.21+0.98%$7.32$7.14457,473 shs$515.08 million07/25/2025$7.06$7.14+1.13%$7.22$6.97286,540 shs$510.08 million07/24/2025$7.16$7.06-1.40%$7.26$7.06379,122 shs$504.37 million07/23/2025$6.85$7.16+4.53%$7.17$6.90394,825 shs$511.52 million07/22/2025$6.85$6.85$6.90$6.80267,957 shs$489.36 million07/21/2025$6.61$6.85+3.63%$6.87$6.60321,947 shs$489.36 million07/18/2025$6.70$6.61-1.34%$6.78$6.60274,054 shs$472.22 million07/17/2025$6.78$6.70-1.18%$6.85$6.69306,170 shs$478.66 million07/16/2025$6.70$6.78+1.19%$6.83$6.70221,368 shs$484.36 million07/15/2025$6.86$6.70-2.33%$6.90$6.68256,986 shs$478.65 million07/14/2025$6.77$6.86+1.33%$6.91$6.73371,384 shs$490.08 million Related Companies Vericel Stock Price Chart Apogee Therapeutics Stock Price Chart Tarsus Pharmaceuticals Stock Price Chart Arcutis Biotherapeutics Stock Price Chart ARS Pharmaceuticals Stock Price Chart Immunocore Stock Price Chart Adaptive Biotechnologies Stock Price Chart Sarepta Therapeutics Stock Price Chart Edgewise Therapeutics Stock Price Chart Biohaven Stock Price Chart Receive SIGA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Siga Technologies and its competitors with MarketBeat's FREE daily newsletter. 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