Ball (WBO:BLL) 9-Day RSI: 78.40 (As of Jul. 05, 2026)


WBO:BLL Ball Corp WBO:BLL
76 GF Score
Price €55.40
GF Value €64.50
Valuation Modestly Undervalued
! 4 Warning Signs
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What is Ball 9-Day RSI?

Ball WBO:BLL +1.13% 76 9-Day RSI is 78.40 as of Jul. 05, 2026. GuruFocus rates WBO:BLL with a GF Score™ of 76/100 and a GF Value™ of €64.50 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 420 Packaging & Containers companies, Ball ranks worse than 95.24% 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 (2026-07-05), Ball's 9-Day RSI is 78.40.

The industry rank for Ball's 9-Day RSI or its related term are showing as below:

WBO:BLL's 9-Day RSI is ranked worse than
95.24% of 420 companies
in the Packaging & Containers industry
Industry Median: 49.095 vs WBO:BLL: 78.40

Ball  (WBO:BLL) 9-Day RSI Explanation

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.


Ball 9-Day RSI Related Terms


WBO:BLL vs AMCR, AVY, IP: 9-Day RSI Comparison

For the Packaging & Containers subindustry, Ball'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.


Ball 9-Day RSI vs Packaging & Containers Industry

For the Packaging & Containers industry and Consumer Cyclical sector, Ball's 9-Day RSI distribution charts can be found below:

* The bar in red indicates where Ball's 9-Day RSI falls into.


WBO:BLL
76GF Score
Ball Corp WBO:BLL
9-Day RSI is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Ball  (WBO:BLL) 9-Day RSI Calculation

The formula for calculating RSI is:

RSI=100[ 100 / ( 1 + Average Gain / Average Loss )]

* 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.

Frequently Asked Questions Learn more about 9-Day RSI →
What does a 9-Day RSI of 78.40 mean?
Ball (WBO:BLL) has a 9-Day RSI of 78.40 as of Jul. 05, 2026. According to the industry distribution chart, Ball ranks #400 out of 420 companies in the Packaging & Containers industry, placing it in the top 95.2%.
Is Ball's 9-Day RSI too high?
Ball's current 9-Day RSI is 78.40. The Packaging & Containers industry median 9-Day RSI is 49.10. Ball's value of 78.40 is 59.7% above this industry median. Based on the distribution chart, Ball ranks #400 out of 420 companies in the Packaging & Containers industry, which is in the bottom quartile relative to peers. Overall, Ball has a GF Score™ of 76/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Ball's 9-Day RSI compare to AMCR and AVY?
According to the Packaging & Containers industry distribution chart, Ball ranks #400 out of 420 companies for 9-Day RSI. This places Ball in the lower half of its industry. The industry median 9-Day RSI is 49.10. Ball's value of 78.40 is 59.7% 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 a Packaging & Containers company?
The median 9-Day RSI among Packaging & Containers companies is 49.10, based on 420 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. Ball's current 9-Day RSI of 78.40 is 59.7% 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 Packaging & Containers industry, the median 9-Day RSI is 49.10 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Ball's current 9-Day RSI is 78.40. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ball stock overvalued right now?
Based on GuruFocus' analysis, Ball (WBO:BLL) is currently considered Modestly Undervalued. The stock's GF Value™ is €64.50, compared to a current price of €55.40 — trading 14.1% below its estimated fair value. The current 9-Day RSI is 78.40 and 59.7% above the Packaging & Containers industry median of 49.10. Ball's overall GF Score™ is 76/100 with 4 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 Ball (WBO:BLL), the current 9-Day RSI is 78.40 as of Jul. 05, 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 Ball (WBO:BLL) Overvalued in 2026?

Based on GuruFocus' analysis, Ball stock appears to be undervalued. The current stock price of €55.40 is trading 14.1% below its estimated GF Value™ of €64.50. GuruFocus considers Ball to be Modestly Undervalued.

Key valuation signals for WBO:BLL:

  • 9-Day RSI: 78.40
  • GF Value™: €64.50 vs. price of €55.40 (14.1% below fair value)
  • GF Score™: 76/100 with 4 warning signs
  • Industry Position: 59.7% above the Packaging & Containers median (#400 of 420)

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


Ball Business Description

Other Exchanges BALL:USA0HL5:UKBL8:Germany
Address 9200 West 108th Circle, Westminster, CO, USA, 80021
Ball is the world's largest metal can manufacturer with market share over 30% in its three main regions (North America, Europe, and South America). The company is focused on increasing capacity amid a wave of new developed-market demand, while also investing in faster-growing emerging-market economies. Ball spun-off its glass jar business in 1993 and is now owned by Newell. The company reports three segments—beverage packaging, North and Central America (48% of 2025 revenue), beverage packaging, EMEA (30%), beverage packaging, South America (16%)—and it generated $13 billion in revenue in 2025.
76GF Score

Get the complete analysis for WBO:BLL

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

€55.40
Price
€64.50
GF Value