ARNI (Arno Therapeutics) Volatility: 115.80% (As of Aug. 01, 2026)

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What is Arno Therapeutics Volatility?

Arno Therapeutics ARNI Volatility is 115.80% as of Aug. 01, 2026.

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 (2026-08-01), Arno Therapeutics's Volatility is 115.80%.

Arno Therapeutics  (OTCPK:ARNI) 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.

Arno Therapeutics Volatility Related Terms

ARNI vs PLPL, BTHE, WIZP: Volatility Comparison

For the Biotechnology subindustry, Arno Therapeutics'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.

Arno Therapeutics Volatility vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Arno Therapeutics's Volatility distribution charts can be found below:

* The bar in red indicates where Arno Therapeutics's Volatility falls into.


Arno Therapeutics  (OTCPK:ARNI) 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 115.80% mean?
Arno Therapeutics (ARNI) has a Volatility of 115.80% as of Aug. 01, 2026. Volatility is measured as the annualized standard deviation between monthly returns from the security over the past year. View historical data on Arno Therapeutics and its competitors.
Is Arno Therapeutics' Volatility too high?
Arno Therapeutics' current Volatility is 115.80%.
How does Arno Therapeutics' Volatility compare to PLPL and BTHE?
Arno Therapeutics' Volatility of 115.80% can be compared against companies in the Biotechnology 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 Biotechnology company?
A good Volatility depends on the Biotechnology 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 Arno Therapeutics and its competitors. Arno Therapeutics's current Volatility is 115.80%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Arno Therapeutics stock overvalued right now?
Arno Therapeutics (ARNI) has a current Volatility of 115.80%. The current Volatility is 115.80%. 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 Arno Therapeutics (ARNI), the current Volatility is 115.80% as of Aug. 01, 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.

Arno Therapeutics Business Description

Address 200 Route 31 North, Suite 104, Flemington, NJ, USA, 08822
Arno Therapeutics Inc operates as a biopharmaceutical company. It develops drug candidates to treat patients with cancer and other life-threatening diseases. It develops pre-clinical and clinical-stage product under the following name: Onapristone, AR-42, and AR-12. Onapristone is indicated for endometrial, prostate and breast cancer indications, AR-42 is provided for hematological malignancies and solid tumors indications and AR-12 is offered for solid tumors and hematological malignancies, and various anti-microbial targets.