Firefly Aerospace (STU:89C) 14-Day RSI: N/A (As of Jul. 23, 2026)

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STU:89C Firefly Aerospace Inc STU:89C
18 GF Score
Price €17.71
! 2 Warning Signs
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What is Firefly Aerospace 14-Day RSI?

The Relative Strength Index (RSI) is a momentum oscillator that measures the speed and change of price movements. The RSI is most typically used on a 14-day period, measured on a scale from 0 to 100. Traditionally, an asset is considered overbought or overvalued when the RSI is above 70 and oversold or undervalued when it is below 30.

As of today (2026-07-23), Firefly Aerospace's 14-Day RSI is N/A.

The industry rank for Firefly Aerospace's 14-Day RSI or its related term are showing as below:

STU:89C's 14-Day RSI is not ranked *
in the Aerospace & Defense industry.
Industry Median: 44.355
* Ranked among companies with meaningful 14-Day RSI only.

Firefly Aerospace  (STU:89C) 14-Day RSI Explanation

The Relative Strength Index (RSI), developed by J. Welles Wilder in his book “New Concepts in Technical Trading Systems.”, is a momentum oscillator that measures the speed and change of price movements. The RSI is most typically used on a 14-day period, measured on a scale from 0 to 100.

Traditionally, an asset is considered overbought or overvalued when the RSI is above 70 and oversold or undervalued when it is below 30. A RSI surpasses the 30 level indicates a bullish sign, when it slides below 70 level, it’s a bearish sign. This level can be adjusted depending on the security’s pattern and the market’s underlying trend. In an uptrend or bullish market, the RSI might range within a higher interval, investors could set the support level higher. If a downtrend or bearish market occurs, investors may need to lower the resistance level.

RSI can also be used in trading techniques to indicate the trading signal, such as Divergences and Swing Rejections.

Firefly Aerospace 14-Day RSI Related Terms

STU:89C vs ATRO, BETA, ACHR: 14-Day RSI Comparison

For the Aerospace & Defense subindustry, Firefly Aerospace's 14-Day RSI, along with its competitors' market caps and 14-Day RSI 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.

Firefly Aerospace 14-Day RSI vs Aerospace & Defense Industry

For the Aerospace & Defense industry and Industrials sector, Firefly Aerospace's 14-Day RSI distribution charts can be found below:

* The bar in red indicates where Firefly Aerospace's 14-Day RSI falls into.


STU:89C
18GF Score
Firefly Aerospace Inc STU:89C
14-Day RSI is just one metric. See GF Score™, valuation, warning signs, and more.
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Firefly Aerospace  (STU:89C) 14-Day RSI Calculation

The formula for calculating RSI is:

RSI=100–[ 100 / ( 1 + Average Gain / Average Loss )]

* Note that the formula uses a positive value for the average loss.

* 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.

Firefly Aerospace Business Description

Other Exchanges FLY:USA
Address 1320 Arrow Point Drive, Suite 109, Cedar Park, TX, USA, 78613
Firefly Aerospace Inc is a space and defense technology company with an established track record of success providing comprehensive mission solutions to national security, government, and commercial customers. The company develops and provides space and defense technologies, including launch vehicles and spacecraft systems, supporting launch, transit, and in-orbit operations for government, commercial, and national security customers. It has only one operating segment. The majority of the company's revenue is derived from Spacecraft Solutions.
18GF Score

Get the complete analysis for STU:89C

14-Day RSI is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

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