Eisai Co (HAM:EII) 1-Year Sharpe Ratio: N/A (As of Jul. 30, 2026)

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.

HAM:EII Eisai Co Ltd HAM:EII
71 GF Score
Price €27.24
GF Value €30.78
Valuation Modestly Undervalued
! 6 Warning Signs
View Full Analysis

What is Eisai Co 1-Year Sharpe Ratio?

The 1-Year Sharpe Ratio measures the additional return that an investor receives per unit of increase in risk over the past year. As of today (2026-07-30), Eisai Co's 1-Year Sharpe Ratio is Not available.

Eisai Co  (HAM:EII) 1-Year Sharpe Ratio Explanation

The 1-Year Sharpe Ratio inidicates the risk-adjusted return of an investment over the past year. It is calculated as the annualized result of the average monthly excess return divided by its standard deviation over the past year. The monthly excess return is the monthly investment return minus the monthly risk-free rate (typically the 10-year Treasury Constant Maturity Rate). If the risk-free rate for a specific region is not available, U.S. data is used by default.

The greater a portfolio's Sharpe Ratio, the better its risk-adjusted performance. A negative Sharpe Ratio means the risk-free rate is greater than the portfolio’s historical or projected return, or else the portfolio's return is expected to be negative.

Eisai Co 1-Year Sharpe Ratio Related Terms

HAM:EII vs ZTS: 1-Year Sharpe Ratio Comparison

For the Drug Manufacturers - Specialty & Generic subindustry, Eisai Co's 1-Year Sharpe Ratio, along with its competitors' market caps and 1-Year Sharpe 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.

Eisai Co 1-Year Sharpe Ratio vs Drug Manufacturers Industry

For the Drug Manufacturers industry and Healthcare sector, Eisai Co's 1-Year Sharpe Ratio distribution charts can be found below:

* The bar in red indicates where Eisai Co's 1-Year Sharpe Ratio falls into.


HAM:EII
71GF Score
Eisai Co Ltd HAM:EII
1-Year Sharpe Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Eisai Co 1-Year Sharpe Ratio Calculation

The 1-Year Sharpe Ratio measures the performance of an investment such as a stock or portfolio compared to a risk-free asset. A stock / portfolio's 1-Year Sharpe Ratio can be calculated by dividing the difference between the one-year returns of the investment and the risk-free rate, by the standard deviation of the investment returns over one year.

Is Eisai Co (HAM:EII) Overvalued in 2026?

Based on GuruFocus' analysis, Eisai Co stock appears to be undervalued. The current stock price of €27.24 is trading 11.5% below its estimated GF Value™ of €30.78. GuruFocus considers Eisai Co to be Modestly Undervalued.

Key valuation signals for HAM:EII:

  • 1-Year Sharpe Ratio: N/A
  • GF Value™: €30.78 vs. price of €27.24 (11.5% below fair value)
  • GF Score™: 71/100 with 6 warning signs

No single metric tells the full story. See the HAM:EII stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Eisai Co Business Description

Address 4-6-10 Koishikawa, Bunkyo-ku, Tokyo, JPN, 112-8088
Eisai Co Ltd is a specialty and generic drug manufacturing company. The company's business consists of research and development, manufacturing, sales, import, and export of pharmaceuticals. The pharmaceutical business is categorized by region, including East Asia & Global South; Europe, Middle East, Africa, Russia, Oceania (EMEA); Americas; China; and Japan. The company also reports a consumer healthcare business for Japan. The vast majority of the company's revenue is derived from its American pharmaceutical business, followed by its Japanese pharmaceuticals segment. The company utilizes licensing strategies in order to expand its research, development, manufacturing, and marketing capabilities.
71GF Score

Get the complete analysis for HAM:EII

1-Year Sharpe Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€27.24
Price
€30.78
GF Value