TAC (TransAlta) 6-Month Price Index: 1.08 (As of Jun. 24, 2026)


TAC TransAlta Corp TAC
51 GF Score
Price $13.69
GF Value $6.86
Valuation Significantly Overvalued
! 6 Warning Signs
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What is TransAlta 6-Month Price Index?

TransAlta TAC 51 6-Month Price Index is 1.08 as of Jun. 24, 2026. GuruFocus rates TAC with a GF Score™ of 51/100 and a GF Value™ of $6.86 (Significantly Overvalued). The stock has 6 warning signs investors should review.

6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago. It’s calculated by current share price divided by share price 6-months ago. As of today (2026-06-24), TransAlta's 6-Month Price Index is 1.08.

TransAlta  (NYSE:TAC) 6-Month Price Index Explanation

Price Index (PI) also called momentum. Strategies involving Price Index are also known as momentum strategies as they allow investors to profit from a company’s stock price. 6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago.

The investment strategy for momentum investors is to buy winners and sell losers. That is, buy stocks that performed well and sell stocks that performed poorly in the past.

TransAlta 6-Month Price Index Related Terms

TAC vs CEG, VST, NRG: 6-Month Price Index Comparison

For the Utilities - Independent Power Producers subindustry, TransAlta's 6-Month Price Index, along with its competitors' market caps and 6-Month Price Index 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.

TAC
51GF Score
TransAlta Corp TAC
6-Month Price Index is just one metric. See GF Score™, valuation, warning signs, and more.
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TransAlta  (NYSE:TAC) 6-Month Price Index Calculation

6-Month Price Index is calculated as following:

6-Month Price Index=Current Share Price / Share Price 6-Months Ago

* 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 6-Month Price Index →
What does a 6-Month Price Index of 1.08 mean?
TransAlta (TAC) has a 6-Month Price Index of 1.08 as of Jun. 24, 2026. 6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago. View historical data on TransAlta and its competitors.
Is TransAlta's 6-Month Price Index too high?
TransAlta's current 6-Month Price Index is 1.08. Overall, TransAlta has a GF Score™ of 51/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does TransAlta's 6-Month Price Index compare to CEG and VST?
TransAlta's 6-Month Price Index of 1.08 can be compared against companies in the Utilities - Independent Power Producers industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 6-Month Price Index for an Utilities - Independent Power Producers company?
A good 6-Month Price Index depends on the Utilities - Independent Power Producers industry context. However, 6-Month Price Index 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 6-Month Price Index mean?
A high 6-Month Price Index can signal that a stock is expensive relative to its fundamentals. 6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago. View historical data on TransAlta and its competitors. TransAlta's current 6-Month Price Index is 1.08. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is TransAlta stock overvalued right now?
Based on GuruFocus' analysis, TransAlta (TAC) is currently considered Significantly Overvalued. The stock's GF Value™ is $6.86, compared to a current price of $13.69 — trading 99.6% above its estimated fair value. The current 6-Month Price Index is 1.08. TransAlta's overall GF Score™ is 51/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 6-Month Price Index calculated?
6-Month Price Index is calculated from a company's financial statements. For TransAlta (TAC), the current 6-Month Price Index is 1.08 as of Jun. 24, 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 TransAlta (TAC) Overvalued in 2026?

Based on GuruFocus' analysis, TransAlta stock appears to be overvalued. The current stock price of $13.69 is trading 99.6% above its estimated GF Value™ of $6.86. GuruFocus considers TransAlta to be Significantly Overvalued.

Key valuation signals for TAC:

  • 6-Month Price Index: 1.08
  • GF Value™: $6.86 vs. price of $13.69 (99.6% above fair value)
  • GF Score™: 51/100 with 6 warning signs

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

TransAlta Business Description

Address 1100 1st Street SE, TransAlta Place, Suite 1400, Calgary, AB, CAN, T2G 1B1
TransAlta Corp is an independent power producer based in Alberta, Canada. The company operates a diverse electrical power generation assets in Canada, the United States, and Western Australia. The company has reportable segments namely, Hydro, Wind & Solar, Gas, Energy Transition segment and Corporate Segment. The company generates the majority of its revenue from the gas segment.
51GF Score

Get the complete analysis for TAC

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

$13.69
Price
$6.86
GF Value