NBTK.DE vs. DDOC.DE
NBTK.DE (Invesco Nasdaq Biotech UCITS ETF) and DDOC.DE (Global X Telemedicine & Digital Health UCITS ETF Acc USD) are both Health & Biotech Equities funds - NBTK.DE tracks the Nasdaq Biotechnology while DDOC.DE tracks the Solactive Telemedicine & Digital Health. Both are passively managed. Over the past 5 years, NBTK.DE returned 5.63%/yr vs -9.54%/yr for DDOC.DE. A 0.65 correlation means they provide meaningful diversification when combined. NBTK.DE charges 0.40%/yr vs 0.68%/yr for DDOC.DE.
Performance
NBTK.DE vs. DDOC.DE - Performance Comparison
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Returns By Period
In the year-to-date period, NBTK.DE achieves a 4.27% return, which is significantly higher than DDOC.DE's -1.35% return.
NBTK.DE
- 1D
- 2.92%
- 1M
- 0.38%
- YTD
- 4.27%
- 6M
- 3.76%
- 1Y
- 39.20%
- 3Y*
- 9.94%
- 5Y*
- 5.63%
- 10Y*
- —
DDOC.DE
- 1D
- 4.54%
- 1M
- 6.72%
- YTD
- -1.35%
- 6M
- -6.36%
- 1Y
- -0.14%
- 3Y*
- -5.09%
- 5Y*
- -9.54%
- 10Y*
- —
NBTK.DE vs. DDOC.DE - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
NBTK.DE Invesco Nasdaq Biotech UCITS ETF | 4.27% | 18.60% | 4.57% | 2.51% | -6.11% | -3.67% |
DDOC.DE Global X Telemedicine & Digital Health UCITS ETF Acc USD | -1.35% | -2.99% | 3.18% | -14.12% | -25.03% | -20.13% |
Correlation
The correlation between NBTK.DE and DDOC.DE is 0.56, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.56 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.57 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.63 |
Correlation (All Time) Calculated using the full available price history since Feb 5, 2021 | 0.65 |
The correlation between NBTK.DE and DDOC.DE has been stable across timeframes, ranging from 0.56 to 0.65 - a consistent structural relationship.
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Return for Risk
NBTK.DE vs. DDOC.DE — Risk / Return Rank
NBTK.DE
DDOC.DE
NBTK.DE vs. DDOC.DE - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco Nasdaq Biotech UCITS ETF (NBTK.DE) and Global X Telemedicine & Digital Health UCITS ETF Acc USD (DDOC.DE). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| NBTK.DE | DDOC.DE | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.01 | ||
| Sortino ratioReturn per unit of downside risk | +2.70 | ||
| Omega ratioGain probability vs. loss probability | 1.34 | 1.02 | +0.32 |
| Calmar ratioReturn relative to maximum drawdown | 6.16 | 0.01 | +6.15 |
| Martin ratioReturn relative to average drawdown | 17.06 | 0.03 | +17.03 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| NBTK.DE | DDOC.DE | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.03 | 0.02 | +2.01 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.27 | -0.39 | +0.67 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.42 | -0.49 | +0.90 |
Drawdowns
NBTK.DE vs. DDOC.DE - Drawdown Comparison
The maximum NBTK.DE drawdown since its inception was -30.99%, smaller than the maximum DDOC.DE drawdown of -59.88%. Use the drawdown chart below to compare losses from any high point for NBTK.DE and DDOC.DE.
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Drawdown Indicators
| NBTK.DE | DDOC.DE | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -30.99% | -59.88% | +28.89% |
Max Drawdown (1Y)Largest decline over 1 year | -6.24% | -22.33% | +16.09% |
Max Drawdown (3Y)Largest decline over 3 years | -29.35% | -32.67% | +3.32% |
Max Drawdown (5Y)Largest decline over 5 years | -30.99% | -53.96% | +22.97% |
Current DrawdownCurrent decline from peak | -1.44% | -51.22% | +49.78% |
Average DrawdownAverage peak-to-trough decline | -10.62% | -41.80% | +31.18% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.26% | 10.98% | -8.72% |
Volatility
NBTK.DE vs. DDOC.DE - Volatility Comparison
Invesco Nasdaq Biotech UCITS ETF (NBTK.DE) and Global X Telemedicine & Digital Health UCITS ETF Acc USD (DDOC.DE) have volatilities of 6.41% and 6.20%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| NBTK.DE | DDOC.DE | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.41% | 6.20% | +0.21% |
Volatility (6M)Calculated over the trailing 6-month period | 14.11% | 14.24% | -0.13% |
Volatility (1Y)Calculated over the trailing 1-year period | 19.00% | 20.70% | -1.70% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.30% | 24.10% | -3.80% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.05% | 24.26% | -2.21% |
NBTK.DE vs. DDOC.DE - Expense Ratio Comparison
NBTK.DE has a 0.40% expense ratio, which is lower than DDOC.DE's 0.68% expense ratio.
Dividends
NBTK.DE vs. DDOC.DE - Dividend Comparison
Neither NBTK.DE nor DDOC.DE has paid dividends to shareholders.
Frequently Asked Questions
NBTK.DE and DDOC.DE have a correlation of 0.56, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, NBTK.DE is cheaper at 0.40% per year. The better choice depends on whether you care most about return, fees, risk, or income.
NBTK.DE is cheaper with a 0.40% expense ratio, compared with 0.68% for DDOC.DE.
NBTK.DE tracks Nasdaq Biotechnology, while DDOC.DE tracks Solactive Telemedicine & Digital Health. They also come from different issuers: Invesco and Global X. Their fees differ too: 0.40% for NBTK.DE and 0.68% for DDOC.DE.
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