SIGA (SIGA Technologies) Cyclically Adjusted PB Ratio: 8.53 (As of Aug. 04, 2026) — 31% Below Median

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SIGA SIGA Technologies Inc SIGA
66 GF Score
Price $3.24
GF Value $4.48
Valuation Modestly Undervalued
! 4 Warning Signs
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What is SIGA Technologies Cyclically Adjusted PB Ratio?

SIGA Technologies SIGA +0.93% 66 Cyclically Adjusted PB Ratio is 8.53 as of Aug. 04, 2026, which is 31% below its 10-year median of 12.43. GuruFocus rates SIGA with a GF Score™ of 66/100 and a GF Value™ of $4.48 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 741 Drug Manufacturers companies, SIGA Technologies ranks worse than 90.82% on this metric.

As of today (2026-08-04), SIGA Technologies's current share price is $3.24. SIGA Technologies's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was $0.38. SIGA Technologies's Cyclically Adjusted PB Ratio for today is 8.53.

The historical rank and industry rank for SIGA Technologies's Cyclically Adjusted PB Ratio or its related term are showing as below:

SIGA' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 8.18   Med: 12.43   Max: 48.5
Current: 8.4

During the past years, SIGA Technologies's highest Cyclically Adjusted PB Ratio was 48.50. The lowest was 8.18. And the median was 12.43.

SIGA's Cyclically Adjusted PB Ratio is ranked worse than
90.82% of 741 companies
in the Drug Manufacturers industry
Industry Median: 1.79 vs SIGA: 8.40

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

SIGA Technologies's adjusted book value per share data for the three months ended in Mar. 2026 was $2.114. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is $0.38 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


SIGA Technologies  (NAS:SIGA) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


SIGA Technologies Cyclically Adjusted PB Ratio Related Terms


SIGA Technologies Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for SIGA Technologies's Cyclically Adjusted PB Ratio can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

SIGA Technologies Cyclically Adjusted PB Ratio Chart

SIGA Technologies Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 44.37

SIGA Technologies Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Cyclically Adjusted PB Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.00 44.37 14.01

SIGA vs ANIK, TKNO, DERM: Cyclically Adjusted PB Ratio Comparison

For the Drug Manufacturers - Specialty & Generic subindustry, SIGA Technologies's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB Ratio data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


SIGA Technologies Cyclically Adjusted PB Ratio vs Drug Manufacturers Industry

For the Drug Manufacturers industry and Healthcare sector, SIGA Technologies's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where SIGA Technologies's Cyclically Adjusted PB Ratio falls into.


SIGA
66GF Score
SIGA Technologies Inc SIGA
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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SIGA Technologies Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

SIGA Technologies's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=3.24/0.38
=8.53

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

SIGA Technologies's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, SIGA Technologies's adjusted Book Value per Share data for the three months ended in Mar. 2026 was:

Adj_Book=Book Value per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=2.114/330.2130*330.2130
=2.114

Current CPI (Mar. 2026) = 330.2130.

SIGA Technologies Quarterly Data

Book Value per Share CPI Adj_Book
201606 -5.602 241.018 -7.675
201609 -5.769 241.428 -7.891
201612 -3.652 241.432 -4.995
201703 -3.759 243.801 -5.091
201706 -3.845 244.955 -5.183
201709 -3.964 246.819 -5.303
201712 -4.088 246.524 -5.476
201803 -4.234 249.554 -5.602
201806 -4.312 251.989 -5.651
201809 0.653 252.439 0.854
201812 1.274 251.233 1.675
201903 1.310 254.202 1.702
201906 1.276 256.143 1.645
201909 1.269 256.759 1.632
201912 1.203 256.974 1.546
202003 1.088 258.115 1.392
202006 1.197 257.797 1.533
202009 1.452 260.280 1.842
202012 1.681 260.474 2.131
202103 1.609 264.877 2.006
202106 1.548 271.696 1.881
202109 1.434 274.310 1.726
202112 2.370 278.802 2.807
202203 2.312 287.504 2.655
202206 1.914 296.311 2.133
202209 2.371 296.808 2.638
202212 2.341 296.797 2.605
202303 2.266 301.836 2.479
202306 1.745 305.109 1.889
202309 1.746 307.789 1.873
202312 2.769 306.746 2.981
202403 2.320 312.332 2.453
202406 2.350 314.175 2.470
202409 2.374 315.301 2.486
202412 3.022 315.605 3.162
202503 3.025 319.799 3.124
202506 2.926 322.561 2.995
202509 2.841 324.800 2.888
202512 2.776 324.054 2.829
202603 2.114 330.213 2.114

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

What does a Cyclically Adjusted PB Ratio of 8.53 mean?
SIGA Technologies (SIGA) has a Cyclically Adjusted PB Ratio of 8.53 as of Aug. 04, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on SIGA Technologies and its competitors. This is 31% below median its historical median of 12.43. Over the past decade, SIGA Technologies' Cyclically Adjusted PB Ratio has ranged from 8.18 to 48.50. According to the industry distribution chart, SIGA Technologies ranks #673 out of 741 companies in the Drug Manufacturers industry, placing it in the top 90.8%.
Is SIGA Technologies' Cyclically Adjusted PB Ratio too high?
SIGA Technologies' current Cyclically Adjusted PB Ratio of 8.53 is 31% below median its 10-year median of 12.43. Over the past 10 years, this metric has ranged from a low of 8.18 to a high of 48.50. The Drug Manufacturers industry median Cyclically Adjusted PB Ratio is 1.79. SIGA Technologies' value of 8.53 is 376.5% above this industry median. Based on the distribution chart, SIGA Technologies ranks #673 out of 741 companies in the Drug Manufacturers industry, which is in the bottom quartile relative to peers. Overall, SIGA Technologies has a GF Score™ of 66/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does SIGA Technologies' Cyclically Adjusted PB Ratio compare to ANIK and TKNO?
According to the Drug Manufacturers industry distribution chart, SIGA Technologies ranks #673 out of 741 companies for Cyclically Adjusted PB Ratio. This places SIGA Technologies in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.79. SIGA Technologies' value of 8.53 is 376.5% above this benchmark. Historically, SIGA Technologies' own Cyclically Adjusted PB Ratio has ranged from 8.18 to 48.50 over the past decade. While the company's 10-year median is 12.43 vs. the industry median of 1.79, SIGA Technologies has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PB Ratio for a Drug Manufacturers company?
The median Cyclically Adjusted PB Ratio among Drug Manufacturers companies is 1.79, based on 741 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. SIGA Technologies's current Cyclically Adjusted PB Ratio of 8.53 is 376.5% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on SIGA Technologies and its competitors. For the Drug Manufacturers industry, the median Cyclically Adjusted PB Ratio is 1.79 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. SIGA Technologies's current Cyclically Adjusted PB Ratio is 8.53, which is 31% below median its own 10-year median of 12.43. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is SIGA Technologies stock overvalued right now?
Based on GuruFocus' analysis, SIGA Technologies (SIGA) is currently considered Modestly Undervalued. The stock's GF Value™ is $4.48, compared to a current price of $3.24 — trading 27.7% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 8.53, which is 31% below median its 10-year median of 12.43 and 376.5% above the Drug Manufacturers industry median of 1.79. SIGA Technologies' overall GF Score™ is 66/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For SIGA Technologies (SIGA), the current Cyclically Adjusted PB Ratio is 8.53 as of Aug. 04, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is SIGA Technologies (SIGA) Overvalued in 2026?

Based on GuruFocus' analysis, SIGA Technologies stock appears to be undervalued. The current stock price of $3.24 is trading 27.7% below its estimated GF Value™ of $4.48. GuruFocus considers SIGA Technologies to be Modestly Undervalued.

Key valuation signals for SIGA:

  • Cyclically Adjusted PB Ratio: 8.53 (31% below median its 10-year median of 12.43)
  • GF Value™: $4.48 vs. price of $3.24 (27.7% below fair value)
  • GF Score™: 66/100 with 4 warning signs
  • Industry Position: 376.5% above the Drug Manufacturers median (#673 of 741)

No single metric tells the full story. See the SIGA stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


SIGA Technologies Business Description

Address 31 East 62nd Street, New York, NY, USA, 10065
SIGA Technologies Inc a commercial-stage pharmaceutical company. The Company sells its product, TPOX oral TPOXX, also known as tecovirimat, Tecovirimat-SIGA, or TEPOXX (tecovirimat) in certain international markets, to the U.S. Government and international governments (including government-affiliated entities). The Company operates in one single operating and reportable segment, which includes all activities related to the sale of the Company's Oral and IV TPOXX as well as research and development services.
66GF Score

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Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$3.24
Price
$4.48
GF Value