How concentrated is my downside risk?
A risk question asks how much of a portfolio depends on one thing going right — a single position, a sector, a country. Concentration is read as a share of the total, which is what the figures below show.
Worked through on a sample portfolio. The figures below are that portfolio’s, not yours.
Here’s how your portfolio’s downside risk is concentrated across holdings and sectors.
| Asset | Weight (%) | Volatility contribution to portfolio (%) |
|---|---|---|
| Apple Inc. | 18,41% | 20,90 |
| Microsoft Corp. | 11,62% | 15,98 |
| Deutsche Lufthansa AG | 8,41 | 14,48 |
| iShares Core MSCI World UCITS ETF | 16,55% | 10,69 |
| Bitcoin | 5,11% | 10,40 |
| Ethereum | 3,50% | 10,24 |
| MasterCard Inc. | 10,66% | 5,40 |
| SPDR MSCI USA Small Cap Value Weighted UCITS ETF | 4,37% | 3,96 |
| Gold | 5,03% | 3,19 |
| Xtrackers MSCI USA UCITS ETF 1C | 6,38% | 2,48 |
| iShares Core MSCI EM IMI UCITS ETF USD (Acc) | 3,91% | 2,27 |
What this shows
- The top three contributors to portfolio volatility are Apple Inc., Microsoft Corp. and Deutsche Lufthansa AG. Together they account for a large share of volatility contribution.
- Crypto positions (Bitcoin and Ethereum) each contribute double-digit shares of volatility despite smaller weights.
- The portfolio-wide annualized volatility used here is 8,85% (window: 11/09/2025–09/09/2026). Downside volatility is 11,63%.
Notes
- Sector concentration: Technology is the largest sector at 39,98% of the portfolio and is likely tied to the largest volatility contributors.
- Coverage: holdings-by-volatility data covers the observation window stated above.
Would you like a ranked table of contributors limited to the top five instead?
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Related questions
See this for your own portfolio
The assistant answers the same question about your own holdings, with your figures and today’s prices. Import from your broker, or open the demo portfolio and ask it there.