Gemfields (LSE:GEMA) 1-Year Sharpe Ratio: N/A (As of Sep. 01, 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.

What is Gemfields 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 (2026-09-01), Gemfields's 1-Year Sharpe Ratio is Not available.

Gemfields  (LSE:GEMA) 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.

Gemfields 1-Year Sharpe Ratio Related Terms

Gemfields 1-Year Sharpe Ratio Competitor Comparison

For the Other Precious Metals & Mining subindustry, Gemfields'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.

Gemfields 1-Year Sharpe Ratio vs Metals & Mining Industry

For the Metals & Mining industry and Basic Materials sector, Gemfields's 1-Year Sharpe Ratio distribution charts can be found below:

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


Gemfields 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.

Gemfields Business Description

Address St Julian’s Avenue, Royal Chambers, PO Box 186, Saint Peter Port, GGY, W1S 2HR
Gemfields PLC is a supplier of colored gemstones specializing in emeralds and amethysts from Zambia and rubies from Mozambique. The company's assets include Kagem emerald mine, Montepuez ruby mine, Kariba amethyst mine, Faberge, and it also has emerald, sapphire and ruby exploration projects at Colombia, Ethiopia, Sri Lanka, and Madagascar. Its segments consist of Zambia, Mozambique, United Kingdom, Faberge, and others. The company earns the majority of the revenue from the sale of rough and cut and polished gemstones as well as wholesale and retail sales of the gemstones and jewelry in the Faberge business.