Deep Fission Nuclear, Inc. engages in the provision of nuclear energy through underground nuclear reactor. It uses clustered boreholes as a containment system.
Deep Fission stock last closed at $7.82, down 3.69% from the previous day, and has decreased N/A in one year. It has underperformed other stocks in the Specialty Industrial Machinery industry by N/A percentage points. Deep Fission stock is currently +2.36% from its 52-week low of $7.64, and -58.84% from its 52-week high of $19.00.
There are currently 58.91M shares of FISN outstanding. The market value of FISN is $460.64M. In the last 24 hours, 235,000 FISN shares were traded.
How to Buy Deep Fission Stock
Wondering how to invest in Deep Fission stock? Here's how.
Choose where to buy Deep Fission stock: You need to pick a stock brokerage, but don't worry - we've sifted through dozens of stock brokerages and apps to help you decide where to buy Deep Fission stock.
Sign up for your brokerage account: Sign up for 0% fee trading with the highest-rated brokerage we've found.
Put funds into your brokerage account: Choose your method of payment and add your details.
Evaluate Deep Fission stock: The Deep Fission ticker symbol is FISN. Is Deep Fission stock a good investment? Should you buy shares of FISN? How do FISN's underlying business fundamentals look? Do top analysts think Deep Fission is a good buy? Why has FISN's stock price moved recently? (Hint: Our stock market research website can help you decide if FISN is a good stock to buy).
Execute your FISN buy order: Decide if you will purchase FISN shares at the current market price or use a limit order to buy FISN stock at a given price.
Get the latest news on your investment in FISN: Create a watchlist to watch your new investment in Deep Fission stock.
Step 1: Choose where to buy Deep Fission stock
You need a brokerage account to access the NASDAQ market and buy FISN shares.
A brokerage account is an investment account that enables you to buy and sell a variety of investments, such as stocks, bonds, mutual funds, and ETFs.
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Step 2: Sign up for your brokerage account
Now that you've picked your brokerage, it's time to fill out some personal information so you are able to buy FISN stock today.
eToro is a multi-asset investment platform. The value of your investments may go up or down. Your capital is at risk.
Step 4: Evaluate Deep Fission stock
Once you have selected the best place to buy Deep Fission stock, it's very important to research their stock before you buy, so you truly comprehend the risk as well as the opportunity.
Deep Fission stock quick numbers
FISN Price
$7.82
1w %
-5.21%
1y %
N/A
5y %
N/A
P/E
-3.23x
P/B
4.66x
P/S
N/A
PEG
N/A
Revenue
$0.00
Earnings
-$106.22M
Fore. Rev. Growth
N/A
Fore. Earn. Growth
N/A
Market Cap
$460.64M
Next Earnings
N/A
Next Dividend
N/A
Deep Fission Due Diligence Score
WallStreetZen was created to help everyday investors do better fundamental analysis quickly.
No, Deep Fission doesn't provide an income stream by paying out dividends.
What others are saying about FISN
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Step 5: Execute your FISN buy order
You have two main options:
Market order: A market order is an order to buy or sell a security at the best price on the market. Market orders are generally sufficient.
Limit order: A limit order is an order to buy or sell a security at a specific price (or better). If you want to make sure you're buying or selling at a given dollar amount, use a limit order.
Click the Open Trade button and your broker will place the order.
If you need additional help with buying stocks on eToro, click the how to video below:
How much does it cost to buy one Deep Fission share?
As of Aug 18, 2026, it costs $7.82 to buy one share of Deep Fission stock.
Remember, eToro's fractional share buying allows you to buy partial shares of stocks and ETFs. Even if you only have $3, you can buy 0.384 shares of FISN.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.
Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.