IsoRay

IsoRay P/E

Delisted

The (Price Earnings Ratio) is an important metric for stock valuation. It is calculated by dividing the current share price by the earnings per share. The P/E indicates how many years it would take to recoup the current share price through the expected earnings per share. A low P/E may indicate that a stock is undervalued, while a high P/E may suggest an overvalued stock. However, the P/E alone should not be considered the sole basis for an investment decision, as other factors must also be taken into account. of IsoRay (ISR) as of Nov 4, 2026 is -6.46. In the previous year, (Price Earnings Ratio) is an important metric for stock valuation. It is calculated by dividing the current share price by the earnings per share. The P/E indicates how many years it would take to recoup the current share price through the expected earnings per share. A low P/E may indicate that a stock is undervalued, while a high P/E may suggest an overvalued stock. However, the P/E alone should not be considered the sole basis for an investment decision, as other factors must also be taken into account. was -14.45 — a change of -55.31% (higher).

P/E

-6.46

YoY

-55.31%

Last updated:

As of Nov 4, 2026, IsoRay's P/E ratio was -6.46, a -55.31% change from the -14.45 P/E ratio recorded in the previous year.

The IsoRay P/E history

  • 3 Years

  • 10 Years

  • 25 Years

  • Max

P/E
Date
P/E
Jan 1, 2015
-12.55 USD
Jan 1, 2016
-9.81 USD
Jan 1, 2017
-7.50 USD
Jan 1, 2018
-6.89 USD
Jan 1, 2019
-9.52 USD
Jan 1, 2020
-14.13 USD
Jan 1, 2021
-14.45 USD
Jan 1, 2022
-6.46 USD
The IsoRay P/E history
YEARP/EYoY
-6.46-55.31%
-14.45+2.25%
-14.13+48.36%
-9.52+38.14%
-6.89-8.03%
-7.50-23.55%
-9.81-21.86%
-12.55+61.89%
-7.75—

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IsoRay Stock analysis

What does IsoRay do? The company IsoRay Inc is a leading global company in the field of brachytherapy and specializes in the development of novel medical devices for the treatment of cancer. The company's history dates back to the 1980s when it was founded by a team of doctors and scientists. IsoRay Inc's business model is based on the research, development, and manufacturing of medical products used in the treatment of cancer. Brachytherapy is a particularly important focus. This involves a treatment method where radioactive seeds or sources are directly implanted into the tumor. The radiation destroys the cancer cells without damaging the surrounding tissue. IsoRay Inc's product range includes a variety of medical devices and accessories for conducting brachytherapy procedures. The company specializes in the development of high-tech products that enable precise and effective radiation therapy. This includes, for example, radioactive seeds that are directly implanted into the tumor or apparatuses that can selectively use radiation in specific structures of the body. A special focus of IsoRay Inc is computer-assisted planning of brachytherapy treatments. The tumor is precisely measured and the radiation sources are individually customized based on the data to achieve an optimal radiation dose. This planning is done using modern software and is an important factor for the successful treatment of cancer. In addition to research and development of medical products, IsoRay Inc also encompasses the production and distribution of these products. The company operates in more than 30 countries worldwide and collaborates closely with numerous clinics and practices to research and improve new technologies in the field of radiation therapy. One of IsoRay Inc's most well-known products is the "Cesium-131 Brachytherapy seed." This radioactive seed is particularly small and therefore ideal for targeted radiation therapy of tumors. It is used in almost all clinical areas worldwide and is considered particularly safe and effective. Other products of the company include the "Gladius™ Applicator Needle," a device for precise placement of radiation sources in tumors, as well as "Intraoperative Application Systems" that enable effective radiation therapy during surgery. Overall, IsoRay Inc is considered an innovative and successful company in the field of brachytherapy and radiation therapy. The constant development and improvement of its own products is a key factor for the company's success. High quality and close collaboration with research and practice are central to its operations. IsoRay is one of the most popular companies on Eulerpool.

P/E Details

Deciphering IsoRay's P/E Ratio

The Price to Earnings (P/E) Ratio of IsoRay is a vital metric that investors and analysts use to determine the company’s market value relative to its earnings. It is calculated by dividing the current stock price by the earnings per share (EPS). A higher P/E ratio could suggest that investors are expecting higher future growth, while a lower ratio may indicate a potentially undervalued company or lower growth expectations.

Year-to-Year Comparison

Assessing IsoRay's P/E ratio on a yearly basis provides insights into the valuation trends and investor sentiment. An increasing P/E ratio over the years signifies growing investor confidence and expectations for future earnings growth, while a decreasing ratio may reflect concerns over the company's profitability or growth prospects.

Impact on Investments

The P/E ratio of IsoRay is a key consideration for investors aiming to balance risk and reward. A comprehensive analysis of this ratio, in conjunction with other financial indicators, aids investors in making informed decisions regarding buying, holding, or selling the company’s stocks.

Interpreting P/E Ratio Fluctuations

Fluctuations in IsoRay’s P/E ratio can be attributed to various factors including changes in earnings, stock price movements, and shifts in investor expectations. Understanding the underlying reasons for these fluctuations is essential for predicting future stock performance and assessing the company's intrinsic value.

Frequently Asked Questions about IsoRay stock

(Price Earnings Ratio) is an important metric for stock valuation. It is calculated by dividing the current share price by the earnings per share. The P/E indicates how many years it would take to recoup the current share price through the expected earnings per share. A low P/E may indicate that a stock is undervalued, while a high P/E may suggest an overvalued stock. However, the P/E alone should not be considered the sole basis for an investment decision, as other factors must also be taken into account. of IsoRay is -6.46 in 2022.

(Price Earnings Ratio) is an important metric for stock valuation. It is calculated by dividing the current share price by the earnings per share. The P/E indicates how many years it would take to recoup the current share price through the expected earnings per share. A low P/E may indicate that a stock is undervalued, while a high P/E may suggest an overvalued stock. However, the P/E alone should not be considered the sole basis for an investment decision, as other factors must also be taken into account. of IsoRay changed from -14.45 to -6.46, representing a -55.31% change. The value is higher than the previous year.

On Eulerpool you can find the complete historical development of (Price Earnings Ratio) is an important metric for stock valuation. It is calculated by dividing the current share price by the earnings per share. The P/E indicates how many years it would take to recoup the current share price through the expected earnings per share. A low P/E may indicate that a stock is undervalued, while a high P/E may suggest an overvalued stock. However, the P/E alone should not be considered the sole basis for an investment decision, as other factors must also be taken into account. IsoRay since 2006 – with annual values, charts, and detailed analysis.

The price-earnings ratio (P/E ratio) is a key figure for evaluating a stock. The stock price is compared to the earnings per share. The ratio therefore expresses the number of years it takes for a company to generate the current earnings to match the stock price.

P/E ratio formula:
P/E ratio = Stock price / Earnings per Share (EPS)
If the earnings per share (EPS) is not readily available, it can be calculated by dividing the company's total earnings by the number of shares issued.

EPS formula:
Total earnings of the company / Number of shares issued
The earnings per share (EPS) can usually be easily found on most financial websites.

The P/E ratio is one of the most commonly used indicators for valuing stocks. However, the correct application of the P/E ratio is slightly more complicated than the formula described above would suggest. Therefore, it is always only a snapshot and not a reliable consideration of the future. If future earnings were to increase without any change in the stock price, the P/E ratio would accordingly decrease.

To evaluate (Price Earnings Ratio) is an important metric for stock valuation. It is calculated by dividing the current share price by the earnings per share. The P/E indicates how many years it would take to recoup the current share price through the expected earnings per share. A low P/E may indicate that a stock is undervalued, while a high P/E may suggest an overvalued stock. However, the P/E alone should not be considered the sole basis for an investment decision, as other factors must also be taken into account.'s, it is essential to compare it with peers in the same industry and sector. On Eulerpool, you can find direct industry comparisons for (Price Earnings Ratio) is an important metric for stock valuation. It is calculated by dividing the current share price by the earnings per share. The P/E indicates how many years it would take to recoup the current share price through the expected earnings per share. A low P/E may indicate that a stock is undervalued, while a high P/E may suggest an overvalued stock. However, the P/E alone should not be considered the sole basis for an investment decision, as other factors must also be taken into account..

A 'good' varies by industry and company stage. On Eulerpool, you can compare (Price Earnings Ratio) is an important metric for stock valuation. It is calculated by dividing the current share price by the earnings per share. The P/E indicates how many years it would take to recoup the current share price through the expected earnings per share. A low P/E may indicate that a stock is undervalued, while a high P/E may suggest an overvalued stock. However, the P/E alone should not be considered the sole basis for an investment decision, as other factors must also be taken into account.'s IsoRay with sector peers and the industry average to assess whether it is attractive.

The P/E ratio in evaluating a stock.

The price-earnings ratio (P/E ratio) is an important financial ratio that is often used by investors to assess the attractiveness of a stock. It is an indicator of a company's earnings and valuation, and provides an indication of whether a stock is overvalued or undervalued. It is also used as an indicator of whether a stock is "expensive" or "cheap".

History of P/E ratio

The P/E ratio was first used in 1881 by the famous financial scientist Benjamin Graham. He developed the P/E ratio as a means to evaluate whether a stock is trading at a "good" or "bad" price. Since then, the P/E ratio has had a long history in the financial world, particularly among investors who are looking for a way to evaluate stocks in an informed manner.

Calculation of the P/E ratio

The P/E ratio is calculated by dividing the current stock price by the earnings per share. A simple formula for calculating the P/E ratio is as follows:

P/E ratio = Stock price / Earnings per share

Example: If a stock is traded at the current price of $10 and the earnings per share is $1, the P/E ratio would be 10 ($10 / $1 = 10).

Application of the P/E ratio

Investors use the P/E ratio to assess the attractiveness of a stock. A high P/E ratio can indicate that a stock is overvalued, while a low P/E ratio means that a stock is undervalued. Investors can then decide whether to buy, sell, or hold a stock based on this information. Another reason why investors use the P/E ratio is to check how stocks perform compared to other stocks or the market as a whole. If a stock's P/E ratio is higher than the overall market's P/E ratio, this may mean that the stock is overvalued, and investors can decide whether to sell or hold the stock. Investors usually also use the P/E ratio to compare stocks over time. If a stock has a P/E ratio of 10 and a year later has a P/E ratio of 20, this may mean that the stock is overvalued. Investors can then decide whether to hold or sell the stock.

Advantages and Disadvantages of using the P/E ratio

BenefitsThe P/E ratio is a useful tool to assess the attractiveness of a stock and to evaluate how a stock is performing compared to the market. It is a simple tool that can assist investors in deciding whether to buy, sell, or hold a stock.

DisadvantagesThe P/E ratio is a simple tool that does not provide any information about the future performance of a stock. It can be difficult to predict the future performance of a stock, and sometimes the P/E ratio can give a false picture of a stock. Therefore, investors must be cautious when relying on the P/E ratio.

In addition, the P/E ratio can vary depending on the industry, which makes comparability difficult. For example, a stock in a certain industry may have a low P/E ratio, while another stock in a different industry may have a higher P/E ratio. Therefore, investors must be cautious when relying on the P/E ratio.

Conclusion

The P/E ratio is a useful tool that can assist investors in assessing the attractiveness and value of a stock. It can also be used to check how a stock is performing in comparison to the market. However, it is important to note that it is a simple tool that does not make any statement about the future performance of a stock, and investors must be cautious when relying on the P/E ratio.

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