PB Ratio: 0.92

Basis: FMP quote market capitalization / book value attributable to common shareholders (matching reported total stockholders equity minus preferred stock). Source: stored company filings and market data; unavailable inputs remain N/A.

Is the P/B ratio high or low?

The P/B ratio of 0.92 is 33% below its estimated 5-year average of 1.37, near the low end of its estimated 5-year range (0.49–2.89).

As of 2026-10-06T16:15:46.605Z. 25.80% below its estimated 12-month average of 1.24.

ATOS PB Ratio Metrics

P/B vs. estimated history

At 0.92, P/B is below its estimated 14-year median — higher than 19% of readings in its estimated 14-year history.

Historical values estimate market capitalization from statement-period weighted shares. Comparisons with the current quote-based value are approximate. Only filing versions delivered by FMP are available for the historical calculation.

Book Value Analysis

PB Ratio Formula & Definition

PB Ratio = Market Cap / (Total Shareholders' Equity − Preferred Stock)

The price-to-book ratio compares market capitalization to book value attributable to common shareholders (total equity minus preferred stock). Lower values can indicate a cheaper valuation relative to net assets.

Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute

PB Ratio FAQ

What is the P/B ratio for Atossa Therapeutics, Inc. (ATOS)?

The P/B ratio for ATOS stock is 0.92.

Is Atossa Therapeutics, Inc.'s P/B ratio high or low?

The P/B ratio of 0.92 is 33% below its estimated 5-year average of 1.37, near the low end of its estimated 5-year range (0.49–2.89).

What is the estimated TTM average P/B ratio for Atossa Therapeutics, Inc. (ATOS)?

The estimated TTM average P/B ratio for ATOS stock is 1.24.

What is the estimated 3Y average P/B ratio for Atossa Therapeutics, Inc. (ATOS)?

The estimated 3Y average P/B ratio for ATOS stock is 1.52.

What is the estimated 5Y average P/B ratio for Atossa Therapeutics, Inc. (ATOS)?

The estimated 5Y average P/B ratio for ATOS stock is 1.37.

What is the estimated 10Y average P/B ratio for Atossa Therapeutics, Inc. (ATOS)?

The estimated 10Y average P/B ratio for ATOS stock is 1.54.

What is the estimated 15Y average P/B ratio for Atossa Therapeutics, Inc. (ATOS)?

The estimated 15Y average P/B ratio for ATOS stock is 1.78.

Showing the most recent 260 of 3,208 data points. The chart above shows the full history.

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