Question 1

What is IonQ's P/B ratio?

Accepted Answer

IonQ (IONQ) P/B ratio is 4.2× as of June 5, 2026. The ratio is calculated by dividing market capitalisation by book value of equity, using USD-normalised financials (IAS 21 exchange-rate translation for non-USD reporters).

Question 2

How is the P/B ratio calculated?

Accepted Answer

P/B = Market Capitalisation ÷ Book Value of Equity (most recent quarterly shareholders' equity), or equivalently Share Price ÷ Book Value Per Share. All inputs are sourced from audited GAAP/IFRS filings and translated to USD using period-end exchange rates so the multiple is comparable across companies and currencies.

Question 3

What is the P/B ratio?

Accepted Answer

The price-to-book (P/B) ratio compares a company's market capitalisation to its book value of equity (total shareholders' equity) on the most recent quarterly balance sheet. It is calculated as market cap ÷ book value of equity (equivalent to share price ÷ book value per share). A P/B below 1× implies the market values the business below its accounting net worth; values well above 1× reflect intangible assets, brand value, or a high return on equity.

Question 4

What is a good P/B ratio for IonQ?

Accepted Answer

A "good" P/B depends on the business model. Banks, insurers, and other capital-heavy financials typically trade near 1×; asset-light technology and consumer-brand companies can sustainably trade at 5×+ because much of their value is intangible. P/B is most informative when paired with return on equity (ROE). For IonQ specifically, the relevant sector benchmark is the current sector median of 6.0×.

Question 5

Is IonQ's P/B ratio high or low?

Accepted Answer

IonQ's P/B ratio of 4.2× is below its own 5-year average of 7.5× and below the sector median of 6.0×. That places the current reading at the 43th percentile of its 10-year history. A higher multiple usually reflects stronger expected growth, lower perceived risk, or higher returns on capital; a lower multiple reflects the opposite.

Question 6

What is IonQ's historical P/B ratio range?

Accepted Answer

In the available daily series, IonQ (IONQ) P/B ratio has ranged from a low of 1.1× in 2022 to a high of 99.9× in 2021. The 5-year average is 7.5× and the 5-year median is 4.3×.

Question 7

What was IonQ's P/B ratio in 2025?

Accepted Answer

IonQ (IONQ) P/B ratio at the end of 2025 was 4.1×. Annual values reflect the multiple on the last trading day of each calendar year, using the trailing twelve-month book value figure available at that date.

Question 8

Why does IonQ's P/B ratio change over time?

Accepted Answer

Valuation multiples move with two inputs: the numerator (market capitalisation, which tracks the share price) and the denominator (book value). Share-price changes — driven by interest rates, earnings expectations, risk appetite, and broader market sentiment — typically dominate short-term moves, while changes in the underlying fundamental drive the longer-term trend. As a result, the ratio can rise during stock-price rallies even if the business itself has not become more valuable, and fall during sell-offs even when fundamentals are improving.


2025	$15.51B	$3.80B	4.1×	-19.6×	Dec 31, 2025
2024	$9.10B	$383.86M	23.7×	+18.5×	Dec 31, 2024
2023	$2.54B	$484.99M	5.2×	+4.0×	Dec 31, 2023
2022	$687.09M	$568.21M	1.2×	-4.2×	Dec 31, 2022
2021	$3.21B	$591.23M	5.4×	—	Dec 31, 2021
2020	$2.08B	—	—	—	Dec 31, 2020


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P/B Ratio for IonQ (IONQ)

P/B Ratio daily chart for IonQ (IONQ)

Historical P/B Ratio for IonQ (IONQ) from 2020 to 2025

About P/B Ratio at IonQ (IONQ)

IonQ P/B Ratio by Year

IonQ P/B Ratio 2025: 4.1×

IonQ P/B Ratio 2024: 23.7×

IonQ P/B Ratio 2023: 5.2×

IonQ P/B Ratio 2022: 1.2×

IonQ P/B Ratio 2021: 5.4×

Sector peers by P/B Ratio — chart

Sector peers by P/B Ratio — table

Frequently asked questions

IonQ (IONQ) Key Financials

P/B Ratio daily chart for IonQ (IONQ)

Historical P/B Ratio for IonQ (IONQ) from 2020 to 2025

About P/B Ratio at IonQ (IONQ)

IonQ P/B Ratio by Year

IonQ P/B Ratio 2025: 4.1×

IonQ P/B Ratio 2024: 23.7×

IonQ P/B Ratio 2023: 5.2×

IonQ P/B Ratio 2022: 1.2×

IonQ P/B Ratio 2021: 5.4×

Sector peers by P/B Ratio — chart

Sector peers by P/B Ratio — table

Frequently asked questions

+What is IonQ's P/B ratio?

+How is the P/B ratio calculated?

+What is the P/B ratio?

+What is a good P/B ratio for IonQ?

+Is IonQ's P/B ratio high or low?

+What is IonQ's historical P/B ratio range?

+What was IonQ's P/B ratio in 2025?

+Why does IonQ's P/B ratio change over time?

IonQ (IONQ) Key Financials