SUME (Summer Energy Holdings) Volatility: 168.91% (As of Jul. 30, 2026)

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What is Summer Energy Holdings Volatility?

Summer Energy Holdings SUME Volatility is 168.91% as of Jul. 30, 2026. The stock has 5 warning signs investors should review.

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 (2026-07-30), Summer Energy Holdings's Volatility is 168.91%.

Summer Energy Holdings  (OTCPK:SUME) 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.

Summer Energy Holdings Volatility Related Terms

SUME vs CETI, NEE, SO: Volatility Comparison

For the Utilities - Regulated Electric subindustry, Summer Energy Holdings'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.

Summer Energy Holdings Volatility vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, Summer Energy Holdings's Volatility distribution charts can be found below:

* The bar in red indicates where Summer Energy Holdings's Volatility falls into.


Summer Energy Holdings  (OTCPK:SUME) 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 168.91% mean?
Summer Energy Holdings (SUME) has a Volatility of 168.91% as of Jul. 30, 2026. Volatility is measured as the annualized standard deviation between monthly returns from the security over the past year. View historical data on Summer Energy Holdings and its competitors.
Is Summer Energy Holdings' Volatility too high?
Summer Energy Holdings' current Volatility is 168.91%.
How does Summer Energy Holdings' Volatility compare to CETI and NEE?
Summer Energy Holdings' Volatility of 168.91% can be compared against companies in the Utilities - Regulated 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 an Utilities - Regulated company?
A good Volatility depends on the Utilities - Regulated 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 Summer Energy Holdings and its competitors. Summer Energy Holdings's current Volatility is 168.91%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Summer Energy Holdings stock overvalued right now?
Based on GuruFocus' analysis, Summer Energy Holdings (SUME) is currently considered Possible Value Trap. The stock's GF Value™ is $0.18, compared to a current price of $0.06 — trading 66.1% below its estimated fair value. The current Volatility is 168.91%. 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 Summer Energy Holdings (SUME), the current Volatility is 168.91% as of Jul. 30, 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.

Summer Energy Holdings Business Description

Address P.O. Box 570186, Houston, TX, USA, 77257
Summer Energy Holdings Inc operates as a retail electricity provider. The company sells electricity and provides related billing, customer service, collections, and remittance services to residential and commercial customers. It derives revenue from the sale of electricity to residential and small commercial customers.