DEFINITION of 'NonFluctuating'
The characteristic of constancy in a security or measurement's value, rate of change or other metric. Nonfluctuating is a feature of a fixedrate asset which has a constant yield, such as a governmentissued debenture (which, however, the market price of the debenture will fluctuate as interest rates change.) A nonfluctuating characteristic is the opposite of a volatile characteristic where changes in value do occur. An investment that has nonfluctuating returns with little risk tends to have lower returns than investments that are exposed to volatility.
INVESTOPEDIA EXPLAINS 'NonFluctuating'
In contrast, common stock of a public corporation is more likely to fluctuate in both dividend yield and market price. Dividends paid on preferred stock are nonfluctuating; that is, they are paid at a fixed rate. Dividends paid on common stock, on the other hand, can fluctuate, though some secure and stable companies, such as blue chips, may offer steady dividends. Other nonfluctuating investments include money market funds (which are similar to savings accounts), savings accounts and certificates of deposit.

Effective Duration
A duration calculation for bonds with embedded options. Effective ... 
Volatility
1. A statistical measure of the dispersion of returns for a given ... 
Historical Volatility  HV
The realized volatility of a financial instrument over a given ... 
Dividend Yield
A financial ratio that shows how much a company pays out in dividends ... 
Implied Volatility  IV
The estimated volatility of a security's price. In general, implied ... 
Beta
A measure of the volatility, or systematic risk, of a security ...

Markets
The Uses And Limits Of Volatility
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Economics
Forces Behind Interest Rates
Get a deeper understanding of the importance of interest rates and what makes them change. 
Investing Basics
Beta: Gauging Price Fluctuations
Learn how to properly use this measure that can help you meet your criteria for risk. 
Options & Futures
Volatility's Impact On Market Returns
Find out how to adjust your portfolio when the market fluctuates to increase your potential return. 
Mutual Funds & ETFs
Understanding Volatility Measurements
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Economics
Where do funds report their rsquared?
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Mutual Funds & ETFs
How much of my total assets should I be keeping in my money market account?
Investing a portion of total assets in a cash position such as a money market account provides investors access to funds in the case of an emergency. 
Bonds & Fixed Income
How does preferred stock differ from company issued bonds?
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Fundamental Analysis
How do you calculate rsquared in Excel?
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Bonds & Fixed Income
What is the difference between yield to maturity and the yield to call?
Determining various the various yields that callable bonds can provide investors is an important factor in the bond purchasing process.