BioLargo, Inc.

BioLargo, Inc.verified

BLGO

Price:

$0.179

Market Cap:

$56.28M

BioLargo, Inc. invents, develops, and commercializes various platform technologies. The company's technologies solve challenging environmental problems comprising per- and polyfluoroalkyl substances contamination, advanced water and wastewater treatment, industrial odor and VOC control, air quality control, and infection control. It holds various issued patents, maintains a pipeline of products, and provides full-service environmental engineering services. The company's products include Advanced Oxidation system, a water treatment device that generates a series of oxidative and energetic species of iodine and other molecules; Aqueous Electrostatic Concentrator, a water treatment system that ...[Read more]

Industry

Chemicals

IPO Date

2007-03-22

Stock Exchange

OTC

Ticker

BLGO

The PE Ratio as of January 2026 (TTM) for BioLargo, Inc. (BLGO) is -4.47

According to BioLargo, Inc.’s latest financial reports and current stock price. The company's current PE Ratio is -4.47. This represents a change of -62.16% compared to the average of -11.81 of the last 4 quarters.

BioLargo, Inc. (BLGO) Historical PE Ratio (quarterly & annually)

How has BLGO PE Ratio performed in the past?

The mean historical PE Ratio of BioLargo, Inc. over the last ten years is -8.52. The current -4.47 PE Ratio has changed 5.15% with respect to the historical average. Over the past ten years (40 quarters), BLGO's PE Ratio was at its highest in in the September 2025 quarter at -2.02. The PE Ratio was at its lowest in in the March 2024 quarter at -61.89.

Quarterly (TTM)
Annual

Average

-8.52

Median

-7.68

Minimum

-23.58

Maximum

-2.25

BioLargo, Inc. (BLGO) PE Ratio by Quarter and Year

Discovering the peaks and valleys of BioLargo, Inc. PE Ratio, unveiling quarterly and yearly fluctuations to gain insights into the company’s financial performance and market dynamics, offering valuable data for investors and analysts alike.

Maximum Annual Increase = 213.15%

Maximum Annual PE Ratio = -2.25

Minimum Annual Increase = -54.54%

Minimum Annual PE Ratio = -23.58

Quarterly (TTM)
Annual
YearPE RatioChange
2024-23.5872.03%
2023-13.7117.86%
2022-11.6365.28%
2021-7.04213.15%
2020-2.25-0.94%
2019-2.27-20.81%
2018-2.86-32.31%
2017-4.23-54.54%
2016-9.3111.92%
2015-8.3223.81%

BioLargo, Inc. (BLGO) Average PE Ratio

How has BLGO PE Ratio performed in the past?

The current PE Ratio of BioLargo, Inc. (BLGO) is greater than its 3-year, greater than its 5-year, and greater than its 10-year historical averages

3-year avg

-16.31

5-year avg

-11.64

10-year avg

-8.52

BioLargo, Inc. (BLGO) PE Ratio vs. Peers

How is BLGO’s PE Ratio compared to its peers?

BioLargo, Inc.’s PE Ratio is greater than Surge Copper Corp. (-71.17), greater than Blue Biofuels, Inc. (-16.11), greater than IMPACT Silver Corp. (-22.82), greater than Tree Island Steel Ltd. (-12.84), less than Pirate Gold Corp. (0), greater than A2 Gold Corp. (-40.61), greater than Lion One Metals Limited (-97.93), greater than First Graphene Limited (-12.29), less than Skyharbour Resources Ltd. (148.93), greater than Defiance Silver Corp. (-54.86),

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