NASDAQ · Utilities - Independent Power Producers · USD

ONE Nuclear Energy Inc. (ONEN) Stock Analysis

ONE Nuclear Energy Inc. (ONEN) is a Utilities - Independent Power Producers stock listed on NASDAQ and quoted in US Dollar.

Last Updated: October 21, 2026

ONEN

$1.36

+$0.03 (+2.26%)

Oct 21, 2026 · Market close

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Price History

Hover for the daily close. The dotted line marks the period open.

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ONEN Key Statistics

As of Oct 21, 2026

Trading

Open: $1.41
Previous Close: $1.33
Day's Range: 1.33–1.41
52-Week Range: 1.26–12.05
Volume: 58.24K

Valuation

Market Cap: $144.21M

Financials (FY)

Shares Outstanding: 106.04M
1-Year Return: −86.85%

Dividend and dates

Avg Volume: 342.63K

Only metrics the company reports are shown. Data provided by Yahoo Finance via yfinance. Updated daily.

Key facts

As of October 21, 2026, ONEN closed at $1.36, −86.85% over 1 year.

ONE Nuclear Energy Inc. (ONEN) has a market capitalization of $144.21M.

ONEN Stock Return by Calendar Year

ONE Nuclear Energy Inc. (ONEN) return since Feb 2025: what $10,000 became

1 year: $10,000 $1,315; −86.85%
Since Feb 2025: $10,000 $1,385; −86.15%

If you had invested $10,000 in ONE Nuclear Energy Inc. (ONEN) at the close on February 6, 2025, the earliest close on record here, it would have been worth $1,385 at the close on October 21, 2026: −86.15% in total, −68.68% a year, over a partial period shorter than 10 years. A historical calculation from closing prices adjusted for splits and dividends, before fees and taxes.

Calendar-year returns computed from daily closing prices. Partial years are shown muted and marked with an asterisk.

Year	Return
2026 (partial year)	−86.86%
2025 (partial year)	+5.40%

As of October 21, 2026.

Analysis

Data-derived

Company Overview

ONE Nuclear Energy Inc. (ONEN) carries a market capitalisation of $144.21M. The company sits in the Utilities sector, in the Utilities - Independent Power Producers industry.

The 52-week range on file runs from $1.26 to $12.05. The most recent close on file for ONEN is $1.36, dated October 21, 2026. That is +$0.03 (+2.26%) against the previous close. The latest close sits 7.94% above that 52-week low.

Valuation Assessment

Annualized volatility over the trailing 1 year is 91.54%. Over the trailing twelve months the total return is −86.85%. The stored price history starts on February 6, 2025, and the total return since then is −86.15%.

Growth & Income

The record shows no dividend for ONEN.

So far in 2026 the total return is −86.86%.

Peer Comparison

ONE Nuclear Energy Inc. (ONEN) operates in the Utilities - Independent Power Producers industry. Here is how it compares to its closest peers by market capitalization:

Company	Ticker	Market Cap	P/E Ratio
ONE Nuclear Energy Inc.	ONEN	$144.21M	—
Constellation Energy Corporation	CEG	$96.15B	26.5
Vistra Corp.	VST	$52.41B	26.3
NRG Energy, Inc.	NRG	$20.98B	26.1

The Utilities - Independent Power Producers industry average P/E ratio is 26.5x. ONE Nuclear Energy Inc. has no P/E ratio because it is not currently profitable.

Every figure above is read from this page's own data on each daily rebuild. Informational only, not financial advice. As of October 21, 2026.

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About ONE Nuclear Energy Inc.

ONE Nuclear Energy Inc. provides large-scale energy development, ownership, and operation of integrated power generation platforms using fast-track natural gas and advanced nuclear small modular reactor (SMR) technologies. It offers development; construction; ownership and operation of utility-scale natural gas power plants; deployment of factory-built SMRs; turnkey energy parks for customers, such as data centers, hydrogen production, industrial manufacturing, and utilities; and long-term power purchase agreements and offtake structures. It serves AI and data centers, hydrogen production, industrial manufacturing, utilities and grid operators, government and infrastructure, and sustainability-driven enterprises. The company is based in West Palm Beach, Florida.

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