MediciNova (TSE:4875) Cyclically Adjusted PB Ratio: 0.81 (As of Jul. 18, 2026) — 35% Below Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

TSE:4875 MediciNova Inc TSE:4875
28 GF Score
Price 円221.00
! 2 Warning Signs
View Full Analysis

What is MediciNova Cyclically Adjusted PB Ratio?

MediciNova TSE:4875 +0.45% 28 Cyclically Adjusted PB Ratio is 0.81 as of Jul. 18, 2026, which is 35% below its 10-year median of 1.25. GuruFocus rates TSE:4875 with a GF Score™ of 28/100. The stock has 2 warning signs investors should review. Among 697 Biotechnology companies, MediciNova ranks better than 65.42% on this metric.

As of today (2026-07-18), MediciNova's current share price is 円221.00. MediciNova's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was 円271.83. MediciNova's Cyclically Adjusted PB Ratio for today is 0.81.

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

TSE:4875' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.7   Med: 1.25   Max: 3.72
Current: 0.81

During the past years, MediciNova's highest Cyclically Adjusted PB Ratio was 3.72. The lowest was 0.70. And the median was 1.25.

TSE:4875's Cyclically Adjusted PB Ratio is ranked better than
65.42% of 697 companies
in the Biotechnology industry
Industry Median: 1.63 vs TSE:4875: 0.81

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.

MediciNova's adjusted book value per share data for the three months ended in Mar. 2026 was 円127.044. 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 円271.83 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


MediciNova  (TSE:4875) 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.


MediciNova Cyclically Adjusted PB Ratio Related Terms


MediciNova Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for MediciNova'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.

MediciNova Cyclically Adjusted PB Ratio Chart

MediciNova 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 1.84 1.31 0.92 1.27 0.79

MediciNova 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 0.87 0.78 0.76 0.79 0.82

TSE:4875 vs TCRX, PMVP, BSEM: Cyclically Adjusted PB Ratio Comparison

For the Biotechnology subindustry, MediciNova'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.


MediciNova Cyclically Adjusted PB Ratio vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, MediciNova's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


TSE:4875
28GF Score
MediciNova Inc TSE:4875
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

MediciNova 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.

MediciNova's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=221.00/271.83
=0.81

* 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.

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

For example, MediciNova'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)
=127.044/330.2130*330.2130
=127.044

Current CPI (Mar. 2026) = 330.2130.

MediciNova Quarterly Data

Book Value per Share CPI Adj_Book
201606 114.230 241.018 156.504
201609 105.500 241.428 144.298
201612 116.025 241.432 158.690
201703 107.068 243.801 145.017
201706 105.742 244.955 142.546
201709 107.820 246.819 144.250
201712 119.723 246.524 160.366
201803 194.849 249.554 257.827
201806 198.658 251.989 260.327
201809 196.867 252.439 257.520
201812 194.926 251.233 256.205
201903 193.677 254.202 251.590
201906 183.500 256.143 236.564
201909 184.025 256.759 236.671
201912 186.096 256.974 239.134
202003 179.195 258.115 229.249
202006 172.783 257.797 221.318
202009 172.863 260.280 219.308
202012 164.429 260.474 208.453
202103 205.882 264.877 256.666
202106 200.828 271.696 244.082
202109 194.316 274.310 233.917
202112 194.221 278.802 230.035
202203 194.306 287.504 223.170
202206 209.238 296.311 233.178
202209 213.574 296.808 237.611
202212 193.220 296.797 214.974
202303 184.573 301.836 201.926
202306 187.847 305.109 203.303
202309 194.939 307.789 209.141
202312 183.119 306.746 197.128
202403 182.760 312.332 193.223
202406 184.764 314.175 194.196
202409 160.500 315.301 168.091
202412 164.659 315.605 172.280
202503 151.744 319.799 156.685
202506 138.035 322.561 141.310
202509 132.545 324.800 134.754
202512 131.733 324.054 134.237
202603 127.044 330.213 127.044

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 0.81 mean?
MediciNova (TSE:4875) has a Cyclically Adjusted PB Ratio of 0.81 as of Jul. 18, 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 MediciNova and its competitors. This is 35% below median its historical median of 1.25. Over the past decade, MediciNova's Cyclically Adjusted PB Ratio has ranged from 0.70 to 3.72. According to the industry distribution chart, MediciNova ranks #241 out of 697 companies in the Biotechnology industry, placing it in the top 34.6%.
Is MediciNova's Cyclically Adjusted PB Ratio too high?
MediciNova's current Cyclically Adjusted PB Ratio of 0.81 is 35% below median its 10-year median of 1.25. Over the past 10 years, this metric has ranged from a low of 0.70 to a high of 3.72. The Biotechnology industry median Cyclically Adjusted PB Ratio is 1.63. MediciNova's value of 0.81 is 50.3% below this industry median. Based on the distribution chart, MediciNova ranks #241 out of 697 companies in the Biotechnology industry, which is above the industry midpoint. Overall, MediciNova has a GF Score™ of 28/100, reflecting its overall financial health beyond just this single metric.
How does MediciNova's Cyclically Adjusted PB Ratio compare to TCRX and PMVP?
According to the Biotechnology industry distribution chart, MediciNova ranks #241 out of 697 companies for Cyclically Adjusted PB Ratio. This puts MediciNova in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.63. MediciNova's value of 0.81 is 50.3% below this benchmark. Historically, MediciNova's own Cyclically Adjusted PB Ratio has ranged from 0.70 to 3.72 over the past decade. While the company's 10-year median is 1.25 vs. the industry median of 1.63, MediciNova has consistently been below 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 Biotechnology company?
The median Cyclically Adjusted PB Ratio among Biotechnology companies is 1.63, based on 697 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. MediciNova's current Cyclically Adjusted PB Ratio of 0.81 is 50.3% below 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 MediciNova and its competitors. For the Biotechnology industry, the median Cyclically Adjusted PB Ratio is 1.63 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. MediciNova's current Cyclically Adjusted PB Ratio is 0.81, which is 35% below median its own 10-year median of 1.25. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is MediciNova stock overvalued right now?
MediciNova (TSE:4875) has a current Cyclically Adjusted PB Ratio of 0.81. The current Cyclically Adjusted PB Ratio is 0.81, which is 35% below median its 10-year median of 1.25 and 50.3% below the Biotechnology industry median of 1.63. MediciNova's overall GF Score™ is 28/100 with 2 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 MediciNova (TSE:4875), the current Cyclically Adjusted PB Ratio is 0.81 as of Jul. 18, 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.

MediciNova Business Description

Other Exchanges MNOV:USA
Address 4275 Executive Square, Suite 300, La Jolla, CA, USA, 92037
MediciNova Inc is a biopharmaceutical company developing novel therapeutics for the treatment of serious diseases with unmet medical needs and a commercial focus on the United States (U.S.) market. It is currently focused on developing MN-166 (ibudilast) for neurological and other disorders such as progressive multiple sclerosis (MS), amyotrophic lateral sclerosis (ALS), chemotherapy-induced peripheral neuropathy, degenerative cervical myelopathy, glioblastoma, and prevention of acute respiratory distress syndrome (ARDS); and MN-001 (tipelukast) for fibrotic and other metabolic disorders such as nonalcoholic fatty liver disease (NAFLD), and hypertriglyceridemia.
28GF Score

Get the complete analysis for TSE:4875

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

円221.00
Price