Beta Calculator India (2026) – Stock Volatility & Market Risk

Calculate stock beta to measure volatility and determine how much risk you are taking relative to the Nifty 50 or Sensex benchmarks.

Assess the volatility of your stock portfolio compared to the Nifty 50 or Sensex. Our Beta calculator helps you identify Aggressive, Defensive, and Market-Neutral assets for 2026.

About | Formula | Example | FAQs

Volatility Inputs

%

Volatility Ratio

1.67

Market Correlation

0.70

Stock Beta Summary

Calculated Beta Value (β)

1.17

Assessment

Aggressive

Stock Volatility Market Volatility
Stock: 25%
Market: 15%

Key Interpretation

  • ✅ Beta > 1: Aggressive stock
  • 📉 Beta < 1: Defensive stock
  • 🔄 Beta = 1: Market Neutral
  • ⚡ Beta < 0: Inverse Correlation

Expected Market Sensitivity

How the stock is expected to perform based on various market movements.

Market Move Stock Move Outcome Risk Detail

How is Stock Beta Calculated?

Beta (β) = ρ × (σs / σm)

β: Beta Coefficient | ρ: Correlation Coefficient

σs: Standard Deviation of Stock Returns

σm: Standard Deviation of Market Returns

Example Beta Calculation (India)

If a stock in the Nifty 50 has a volatility of 30%, the market has a volatility of 15%, and the correlation is 0.8:
  • Volatility Ratio: 2.0
  • Beta (β): 0.8 × 2.0 = 1.6
  • Interpretation: Aggressive (60% more volatile)

Understanding Stock Beta in Portfolio Management

In the Indian stock market (NSE/BSE), Beta is a fundamental measure used to determine the systematic risk of a security or a portfolio in comparison to the entire market. It is a key component of risk-adjusted return models like the Alpha Tool or the Sharpe Ratio Calculator.

A beta of 1.0 indicates that the stock moves exactly with the index. To understand your overall wealth growth including these riskier assets, use our CAGR Calculator. Professional traders often combine beta analysis with the Treynor Ratio and Sortino Ratio to get a 360-degree view of portfolio efficiency.

Risk Optimization via Asset Allocation

Understanding beta is useless without a proper Asset Allocation strategy. If your portfolio beta is too high, you might be over-leveraged for your age. Use our Asset Allocation Tool to find your ideal mix. Periodically resetting your holdings to target weights via a Rebalancing Tool can help maintain a stable beta even in volatile markets.

Building a corpus over time? Factor in beta when planning your SIP or Lumpsum targets.

Frequently Asked Questions

1. What does a Beta of 1.5 mean?
A Beta of 1.5 means the stock is 50% more volatile than the market. If the market rises by 10%, the stock is expected to rise by 15%.
2. Is a low Beta stock always safer?
Generally, yes, as it fluctuates less than the market. However, low beta also means lower potential returns during a strong bull market.
3. What is a "Good" Beta for a stock?
There is no single "good" beta. It depends on your risk appetite. For long-term wealth building, a mix of 1.0 to 1.3 is often preferred, while retirees may prefer beta below 0.8 for protection.
4. Can a stock have a negative Beta?
Yes. A negative beta means the stock moves inversely to the market. Gold-related assets or inverse ETFs often exhibit this behavior.
5. Does Beta predict future stock prices?
No, Beta only measures historical volatility. It helps you understand how a stock might react to market movements but doesn't guarantee specific targets.

Related Risk Analytics Tools

Alpha Tool

Sharpe Ratio

Treynor Ratio

Sortino Ratio

Disclaimer

Calculations are based on historical volatility and correlation coefficients. Beta values change over time as market conditions evolve. This calculator is based on standard risk-adjusted formulas followed by financial institutions in India.

Last Updated: April 12, 2026