PB Ratio: 3.80

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 3.80 is 53% above its estimated 5-year average of 2.48, around the middle of its estimated 5-year range (0.93–5.12).

As of 2026-10-06T19:17:36.745Z. 31.72% above its estimated 12-month average of 2.88.

MGNI PB Ratio Metrics

P/B vs. estimated history

At 3.80, P/B is above its estimated 12-year median — higher than 78% of readings in its estimated 12-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 Magnite, Inc. (MGNI)?

The P/B ratio for MGNI stock is 3.80.

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

The P/B ratio of 3.80 is 53% above its estimated 5-year average of 2.48, around the middle of its estimated 5-year range (0.93–5.12).

What is the estimated TTM average P/B ratio for Magnite, Inc. (MGNI)?

The estimated TTM average P/B ratio for MGNI stock is 2.88.

What is the estimated 3Y average P/B ratio for Magnite, Inc. (MGNI)?

The estimated 3Y average P/B ratio for MGNI stock is 2.83.

What is the estimated 5Y average P/B ratio for Magnite, Inc. (MGNI)?

The estimated 5Y average P/B ratio for MGNI stock is 2.48.

What is the estimated 10Y average P/B ratio for Magnite, Inc. (MGNI)?

The estimated 10Y average P/B ratio for MGNI stock is 2.31.

Showing the most recent 260 of 2,856 data points. The chart above shows the full history.

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