Pre-Built PCL (BKK:PREB) Volatility: 22.44% (As of Jul. 22, 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.
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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.

BKK:PREB Pre-Built PCL BKK:PREB
73 GF Score
Price ฿3.60
GF Value ฿5.11
Valuation Significantly Undervalued
! 5 Warning Signs
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What is Pre-Built PCL Volatility?

Pre-Built PCL BKK:PREB +2.86% 73 Volatility is 22.44% as of Jul. 22, 2026. GuruFocus rates BKK:PREB with a GF Score™ of 73/100 and a GF Value™ of ฿5.11 (Significantly Undervalued). The stock has 5 warning signs investors should review.

Volatility is a statistical measure of the dispersion of returns for a given security or market index, it shows how the price swings around its mean. The volatility here is measured as the annualized standard deviation between monthly returns from the security over the past year. In most cases, the higher the volatility, the riskier the security.

As of today (2026-07-22), Pre-Built PCL's Volatility is 22.44%.


Pre-Built PCL  (BKK:PREB) Volatility Explanation

Volatility is a statistical measure of the dispersion of returns for a given security or market index. It’s often measured as standard deviation or variance of historical returns over a certain period. The volatility here is measured as the annualized standard deviation between monthly returns from the security over the past year.

Volatility reflects the uncertainty or risk of a security’s value. Generally speaking, a higher volatility suggests a higher risk, because it implies a wider fluctuation around average price. This means the price of the security can change dramatically in either direction within a short period. Conversely, a lower volatility means that the security's price is more steady, which suggests a lower risk.

Another measurement of relative volatility is Beta. Beta is a measure of systematic risk of a security or a portfolio in comparison to the market as a whole. Beta is usually compared to 1. A beta of greater than 1 indicates that the security's price will be more volatile than the market.


Pre-Built PCL Volatility Related Terms


BKK:PREB vs PWR, FIX, EME: Volatility Comparison

For the Engineering & Construction subindustry, Pre-Built PCL's Volatility, along with its competitors' market caps and Volatility 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.


Pre-Built PCL Volatility vs Construction Industry

For the Construction industry and Industrials sector, Pre-Built PCL's Volatility distribution charts can be found below:

* The bar in red indicates where Pre-Built PCL's Volatility falls into.


BKK:PREB
73GF Score
Pre-Built PCL BKK:PREB
Volatility is just one metric. See GF Score™, valuation, warning signs, and more.
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Pre-Built PCL  (BKK:PREB) Volatility Calculation

The annualized volatility is calculated as following:

σA=σM * 12
= 1/(n-1) ∑(Ri - R')^2 * 12

Where: σM is the monthly volatility, n is the number of months in the period, Ri is the security's historical monthly returns and R' is the arithmetic mean of monthly returns.

* 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.

Frequently Asked Questions Learn more about Volatility →
What does a Volatility of 22.44% mean?
Pre-Built PCL (BKK:PREB) has a Volatility of 22.44% as of Jul. 22, 2026. Volatility is measured as the annualized standard deviation between monthly returns from the security over the past year. View historical data on Pre-Built PCL and its competitors.
Is Pre-Built PCL's Volatility too high?
Pre-Built PCL's current Volatility is 22.44%. Overall, Pre-Built PCL has a GF Score™ of 73/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Pre-Built PCL's Volatility compare to PWR and FIX?
Pre-Built PCL's Volatility of 22.44% can be compared against companies in the Construction industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Volatility for a Construction company?
A good Volatility depends on the Construction industry context. However, Volatility should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Volatility mean?
A high Volatility can signal that a stock is expensive relative to its fundamentals. Volatility is measured as the annualized standard deviation between monthly returns from the security over the past year. View historical data on Pre-Built PCL and its competitors. Pre-Built PCL's current Volatility is 22.44%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Pre-Built PCL stock overvalued right now?
Based on GuruFocus' analysis, Pre-Built PCL (BKK:PREB) is currently considered Significantly Undervalued. The stock's GF Value™ is ฿5.11, compared to a current price of ฿3.60 — trading 29.5% below its estimated fair value. The current Volatility is 22.44%. Pre-Built PCL's overall GF Score™ is 73/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Volatility calculated?
Volatility is calculated from a company's financial statements. For Pre-Built PCL (BKK:PREB), the current Volatility is 22.44% as of Jul. 22, 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.

Is Pre-Built PCL (BKK:PREB) Overvalued in 2026?

Based on GuruFocus' analysis, Pre-Built PCL stock appears to be undervalued. The current stock price of ฿3.60 is trading 29.5% below its estimated GF Value™ of ฿5.11. GuruFocus considers Pre-Built PCL to be Significantly Undervalued.

Key valuation signals for BKK:PREB:

  • Volatility: 22.44%
  • GF Value™: ฿5.11 vs. price of ฿3.60 (29.5% below fair value)
  • GF Score™: 73/100 with 5 warning signs

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


Pre-Built PCL Business Description

Address Bond Street Road, 503, 1st Floor, Bang Phut Subdistrict, Pak Kret District, Nonthaburi, THA, 11120
Pre-Built PCL is engaged in construction and civil engineering work. The company, along with its subsidiaries, operates in the following segments: Construction contractual, Selling of pre-cast floors, Property development, and Others. A majority of its revenue is generated from the Construction contractual segment. Its construction operations include housing projects, commercial buildings, office buildings, shopping centers, hospitals, schools, and power plants. Geographically, the company operates in Thailand.
73GF Score

Get the complete analysis for BKK:PREB

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

฿3.60
Price
฿5.11
GF Value