Estimate weighted portfolio beta across assets and cash. Compare market exposure with instant charts reports. Export results and study risk before rebalancing your holdings.
βp = Σ (wi × βi)
wi = Asset Value ÷ Total Portfolio Value
βi = Covariance(Ri, Rm) ÷ Variance(Rm)
Estimated Portfolio Move = Portfolio Beta × Market Move
Hedge Notional ≈ (Current Beta − Target Beta) × Portfolio Value ÷ Hedge Instrument Beta
| Holding | Weight | Beta | Contribution |
|---|---|---|---|
| Equity ETF | 60% | 1.10 | 0.6600 |
| Bond Fund | 25% | 0.40 | 0.1000 |
| Cash | 15% | 0.00 | 0.0000 |
| Total | 100% | — | 0.7600 |
Portfolio beta shows how strongly a group of holdings may react to broad market movement. A beta of one suggests market-like behavior. A beta below one usually means lower sensitivity. A beta above one often means higher sensitivity. Investors use this number before rebalancing, hedging, or comparing strategies. It does not predict return. It measures relative exposure.
A portfolio is not judged by one stock alone. Each holding has a different size and beta. The calculator multiplies each asset beta by its portfolio weight. Then it adds every contribution. Cash is included because cash normally has a beta near zero. That lowers total market sensitivity. Manual weights are useful for target allocations. Market values are useful for live positions.
A portfolio beta of 0.70 means a one percent market move may create a 0.70 percent portfolio move, before fees and tracking differences. A beta of 1.30 means a one percent market move may create about a 1.30 percent move. The direction is usually the same as the benchmark when beta is positive. Negative beta can imply inverse exposure, hedging, or unusual assets.
Beta depends on the chosen benchmark and time period. A technology portfolio may look high beta versus a broad index. It may look different versus a sector index. Betas can also change during crises, earnings shocks, and interest rate cycles. For this reason, beta should be reviewed with volatility, correlation, valuation, and cash needs. The calculator gives a clean estimate. It should support decisions, not replace research.
Portfolio beta helps test simple market scenarios. You can enter a market move and view the estimated portfolio move. You can also compare current beta with a target beta. The hedge estimate shows notional exposure that may need reduction or addition. This is useful for planning, but actual hedge results depend on instruments, costs, taxes, and execution.
Check whether weights total one hundred percent. Confirm that each beta matches the same benchmark. Update values often. Review the output after trades. Small input errors can change the beta.
Portfolio beta measures how sensitive a portfolio may be to market movement. It combines each holding’s beta with its portfolio weight.
A beta of one means the portfolio may move roughly with the benchmark. A 5% market rise may imply about a 5% portfolio rise.
Cash usually has a beta near zero. Adding cash often lowers total portfolio beta because it reduces exposure to market-linked assets.
Use market values for current holdings. Use manual weights when testing a planned allocation or target portfolio mix.
Yes. Negative beta can happen with inverse funds, hedges, or assets that often move opposite to the benchmark.
No. Beta measures market sensitivity only. Full risk review should also include volatility, liquidity, concentration, costs, and time horizon.
Normalization scales entered weights so they total 100%. This helps when rough weights are entered but a complete allocation is needed.
Yes. It estimates notional exposure needed to move from current beta toward target beta, using the selected hedge instrument beta.
Important Note: All the Calculators listed in this site are for educational purpose only and we do not guarentee the accuracy of results. Please do consult with other sources as well.