TransAltaSTU:TZ1 55 9-Day RSI is 74.79 as of Jun. 24, 2026. GuruFocus rates STU:TZ1 with a GF Score™ of 55/100 and a GF Value™ of €6.22 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 553 Utilities - Independent Power Producers companies, TransAlta ranks worse than 92.22% on this metric.
The Relative Strength Index (RSI) is a momentum oscillator that measures the speed and change of price movements. The RSI is most typically used on a 14-day period, measured on a scale from 0 to 100. Traditionally, an asset is considered overbought or overvalued when the RSI is above 70 and oversold or undervalued when it is below 30. A shorter period RSI is more reactive to recent price changes, so it can show early signs of reversals. 9-Day RSI is sometimes used together with 14-Day RSI in a two period divergence strategy.
As of today (2026-06-24), TransAlta's 9-Day RSI is 74.79.
The industry rank for TransAlta's 9-Day RSI or its related term are showing as below:
The Relative Strength Index (RSI), developed by J. Welles Wilder in his book “New Concepts in Technical Trading Systems.”, is a momentum oscillator that measures the speed and change of price movements. The RSI is most typically used on a 14-day period, measured on a scale from 0 to 100.
Traditionally, an asset is considered overbought or overvalued when the RSI is above 70 and oversold or undervalued when it is below 30. A RSI surpasses the 30 level indicates a bullish sign, when it slides below 70 level, it’s a bearish sign. This level can be adjusted depending on the security’s pattern and the market’s underlying trend. In an uptrend or bullish market, the RSI might range within a higher interval, investors could set the support level higher. If a downtrend or bearish market occurs, investors may need to lower the resistance level.
RSI can also be used in trading techniques to indicate the trading signal, such as Divergences and Swing Rejections. A shorter period RSI is more reactive to recent price changes, so it can show early signs of reversals. 9-Day RSI is sometimes used together with 14-Day RSI in a two period divergence strategy.
TransAlta 9-Day RSI Related Terms
STU:TZ1 vs CEG, VST, NRG: 9-Day RSI Comparison
For the Utilities - Independent Power Producers subindustry, TransAlta's 9-Day RSI, along with its competitors' market caps and 9-Day RSI 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.
TransAlta 9-Day RSI vs Utilities - Independent Power Producers Industry
For the Utilities - Independent Power Producers industry and Utilities sector, TransAlta's 9-Day RSI distribution charts can be found below:
* The bar in red indicates where TransAlta's 9-Day RSI falls into.
* Note that the formula uses a positive value for the average loss.
* 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.
TransAlta (STU:TZ1) has a 9-Day RSI of 74.79 as of Jun. 24, 2026. According to the industry distribution chart, TransAlta ranks #510 out of 553 companies in the Utilities - Independent Power Producers industry, placing it in the top 92.2%.
Is TransAlta's 9-Day RSI too high?
TransAlta's current 9-Day RSI is 74.79. The Utilities - Independent Power Producers industry median 9-Day RSI is 40.76. TransAlta's value of 74.79 is 83.5% above this industry median. Based on the distribution chart, TransAlta ranks #510 out of 553 companies in the Utilities - Independent Power Producers industry, which is in the bottom quartile relative to peers. Overall, TransAlta has a GF Score™ of 55/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does TransAlta's 9-Day RSI compare to CEG and VST?
According to the Utilities - Independent Power Producers industry distribution chart, TransAlta ranks #510 out of 553 companies for 9-Day RSI. This places TransAlta in the lower half of its industry. The industry median 9-Day RSI is 40.76. TransAlta's value of 74.79 is 83.5% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 9-Day RSI for an Utilities - Independent Power Producers company?
The median 9-Day RSI among Utilities - Independent Power Producers companies is 40.76, based on 553 companies in the industry. Companies in the top quartile (top 25%) have a 9-Day RSI significantly above this median, while those in the bottom quartile fall well below. However, 9-Day RSI should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. TransAlta's current 9-Day RSI of 74.79 is 83.5% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high 9-Day RSI mean?
A high 9-Day RSI can signal that a stock is expensive relative to its fundamentals. For the Utilities - Independent Power Producers industry, the median 9-Day RSI is 40.76 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. TransAlta's current 9-Day RSI is 74.79. 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 (STU:TZ1) is currently considered Significantly Overvalued. The stock's GF Value™ is €6.22, compared to a current price of €12.40 — trading 99.4% above its estimated fair value. The current 9-Day RSI is 74.79 and 83.5% above the Utilities - Independent Power Producers industry median of 40.76. TransAlta's overall GF Score™ is 55/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 9-Day RSI calculated?
9-Day RSI is calculated from a company's financial statements. For TransAlta (STU:TZ1), the current 9-Day RSI is 74.79 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 (STU:TZ1) Overvalued in 2026?
Based on GuruFocus' analysis, TransAlta stock appears to be overvalued.
The current stock price of €12.40 is trading 99.4% above its estimated GF Value™ of €6.22.
GuruFocus considers TransAlta to be Significantly Overvalued.
Key valuation signals for STU:TZ1:
9-Day RSI: 74.79
GF Value™: €6.22 vs. price of €12.40 (99.4% above fair value)
Industry Position: 83.5% above the Utilities - Independent Power Producers median (#510 of 553)
No single metric tells the full story. See the STU:TZ1 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
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.
55GF Score
Get the complete analysis for STU:TZ1
9-Day RSI is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
STU:TZ1 has been successfully added to your 