CHOLF (China Oilfield Services) 1-Year Sharpe Ratio: N/A (As of Sep. 21, 2026)

Author: Vera Yuan Vera Yuan
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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.
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Charlie Tian
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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.

CHOLF China Oilfield Services Ltd CHOLF
81 GF Score
Price $0.90
GF Value $1.30
Valuation Significantly Undervalued
! 4 Warning Signs
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What is China Oilfield Services 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 (2026-09-21), China Oilfield Services's 1-Year Sharpe Ratio is Not available.

China Oilfield Services  (OTCPK:CHOLF) 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.

China Oilfield Services 1-Year Sharpe Ratio Related Terms

CHOLF vs SLB, BKR, HAL: 1-Year Sharpe Ratio Comparison

For the Oil & Gas Equipment & Services subindustry, China Oilfield Services'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.

China Oilfield Services 1-Year Sharpe Ratio vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, China Oilfield Services's 1-Year Sharpe Ratio distribution charts can be found below:

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


CHOLF
81GF Score
China Oilfield Services Ltd CHOLF
1-Year Sharpe Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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China Oilfield Services 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 China Oilfield Services (CHOLF) Overvalued in 2026?

Based on GuruFocus' analysis, China Oilfield Services stock appears to be undervalued. The current stock price of $0.90 is trading 30.7% below its estimated GF Value™ of $1.30. GuruFocus considers China Oilfield Services to be Significantly Undervalued.

Key valuation signals for CHOLF:

  • 1-Year Sharpe Ratio: N/A
  • GF Value™: $1.30 vs. price of $0.90 (30.7% below fair value)
  • GF Score™: 81/100 with 4 warning signs

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

China Oilfield Services Business Description

Industry EnergyOil & Gas
Address 201 Haiyou Avenue, Yanjiao Economic & Technological Development Zone, Hebei Province, Sanhe City, CHN, 065201
China Oilfield Services Ltd is engaged in the provision of oilfield services including drilling services, well services, marine support services, and geophysical acquisition and surveying services. It operates in four segments namely the drilling services segment offers oilfield drilling services, the well services segment offers logging and downhole services, the marine support services segment is engaged in the transportation of materials, supplies, and personnel to offshore facilities, moving and positioning drilling structures, and the geophysical acquisition and surveying services segment is engaged in the provision of offshore seismic data acquisition and marine surveying. It generates the majority of its revenue from Well services segment.
81GF Score

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

$0.90
Price
$1.30
GF Value