SISB PCL (BKK:SISB-R) 10-Year Sharpe Ratio: N/A (As of Aug. 27, 2026)

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Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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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.

BKK:SISB-R SISB PCL BKK:SISB-R
83 GF Score
Price ฿9.40
GF Value ฿27.38
Valuation Significantly Undervalued
! 2 Warning Signs
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What is SISB PCL 10-Year Sharpe Ratio?

The 10-Year Sharpe Ratio measures the additional return that an investor receives per unit of increase in risk over the past ten years. As of today (2026-08-27), SISB PCL's 10-Year Sharpe Ratio is Not available.


SISB PCL  (BKK:SISB-R) 10-Year Sharpe Ratio Explanation

The 10-Year Sharpe Ratio inidicates the risk-adjusted return of an investment over the past ten years. It is calculated as the annualized result of the average ten-year monthly excess returns divided by its standard deviation in the ten-year period. 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.


SISB PCL 10-Year Sharpe Ratio Related Terms


BKK:SISB-R vs EDU, TAL, LAUR: 10-Year Sharpe Ratio Comparison

For the Education & Training Services subindustry, SISB PCL's 10-Year Sharpe Ratio, along with its competitors' market caps and 10-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.


SISB PCL 10-Year Sharpe Ratio vs Education Industry

For the Education industry and Consumer Defensive sector, SISB PCL's 10-Year Sharpe Ratio distribution charts can be found below:

* The bar in red indicates where SISB PCL's 10-Year Sharpe Ratio falls into.


BKK:SISB-R
83GF Score
SISB PCL BKK:SISB-R
10-Year Sharpe Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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SISB PCL 10-Year Sharpe Ratio Calculation

The 10-Year Sharpe Ratio measures the performance of an investment such as a stock or portfolio compared to a risk-free asset in the last ten years. A stock / portfolio's 10-Year Sharpe Ratio can be calculated by dividing the difference between the ten-year average monthly returns of the investment and the risk-free rate, by the standard deviation of the investment returns over the past ten years.

Is SISB PCL (BKK:SISB-R) Overvalued in 2026?

Based on GuruFocus' analysis, SISB PCL stock appears to be undervalued. The current stock price of ฿9.40 is trading 65.7% below its estimated GF Value™ of ฿27.38. GuruFocus considers SISB PCL to be Significantly Undervalued.

Key valuation signals for BKK:SISB-R:

  • 10-Year Sharpe Ratio: N/A
  • GF Value™: ฿27.38 vs. price of ฿9.40 (65.7% below fair value)
  • GF Score™: 83/100 with 2 warning signs

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


SISB PCL Business Description

Other Exchanges SISB:Thailand
Address Pracha Uthit Road, 498/12, Soi Ramkhamhaeng 39 (Tepleela 1), Wangthonglang, Bangkok, THA, 10310
SISB PCL is principally engaged in the operation of international schools. Its operations are carried on only in Thailand. It is a provider of the Singapore curriculum for Mathematics and Science, with a focus on English, based on the Programme for International Student Assessment (PISA). It has five campuses in Thailand, which adopt the Singapore curriculum and Cambridge IGCSE A and AS Levels, as well as the International Baccalaureate. It teaches students to be trilingual: English, Thai, and Chinese, in addition to a holistic education to develop students to their fullest potential.
83GF Score

Get the complete analysis for BKK:SISB-R

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

฿9.40
Price
฿27.38
GF Value