WELS.DE vs. 2B70.DE
WELS.DE (Amundi S&P Global Health Care ESG UCITS ETF EUR Acc) and 2B70.DE (iShares Nasdaq US Biotechnology UCITS ETF) are both Health & Biotech Equities funds - WELS.DE tracks the S&P Developed Ex-Korea LargeMidCap Sustainability Enhanced Health Care while 2B70.DE tracks the Nasdaq Biotechnology. Both are passively managed. Over the past 3 years, WELS.DE returned 2.22%/yr vs 10.00%/yr for 2B70.DE. A 0.63 correlation means they provide meaningful diversification when combined. WELS.DE charges 0.18%/yr vs 0.35%/yr for 2B70.DE.
Performance
WELS.DE vs. 2B70.DE - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, WELS.DE achieves a -3.35% return, which is significantly lower than 2B70.DE's 4.53% return.
WELS.DE
- 1D
- 2.97%
- 1M
- 4.14%
- YTD
- -3.35%
- 6M
- -2.82%
- 1Y
- 6.93%
- 3Y*
- 2.22%
- 5Y*
- —
- 10Y*
- —
2B70.DE
- 1D
- 3.29%
- 1M
- 0.58%
- YTD
- 4.53%
- 6M
- 4.05%
- 1Y
- 39.50%
- 3Y*
- 10.00%
- 5Y*
- 5.68%
- 10Y*
- —
WELS.DE vs. 2B70.DE - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
WELS.DE Amundi S&P Global Health Care ESG UCITS ETF EUR Acc | -3.35% | 1.05% | 7.20% | 2.33% | 4.02% |
2B70.DE iShares Nasdaq US Biotechnology UCITS ETF | 4.53% | 18.62% | 4.60% | 2.56% | -0.90% |
Correlation
The correlation between WELS.DE and 2B70.DE is 0.70, 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 | 0.70 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.62 |
Correlation (All Time) Calculated using the full available price history since Oct 12, 2022 | 0.63 |
The correlation between WELS.DE and 2B70.DE has been stable across timeframes, ranging from 0.62 to 0.70 - a consistent structural relationship.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
WELS.DE vs. 2B70.DE — Risk / Return Rank
WELS.DE
2B70.DE
WELS.DE vs. 2B70.DE - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Amundi S&P Global Health Care ESG UCITS ETF EUR Acc (WELS.DE) and iShares Nasdaq US Biotechnology UCITS ETF (2B70.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.
| WELS.DE | 2B70.DE | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.57 | ||
| Sortino ratioReturn per unit of downside risk | -2.07 | ||
| Omega ratioGain probability vs. loss probability | 1.09 | 1.34 | -0.25 |
| Calmar ratioReturn relative to maximum drawdown | 0.56 | 6.15 | -5.60 |
| Martin ratioReturn relative to average drawdown | 1.30 | 17.06 | -15.76 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading charts...
Sharpe Ratios by Period
| WELS.DE | 2B70.DE | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.47 | 2.04 | -1.57 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.28 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.22 | 0.36 | -0.14 |
Drawdowns
WELS.DE vs. 2B70.DE - Drawdown Comparison
The maximum WELS.DE drawdown since its inception was -23.13%, smaller than the maximum 2B70.DE drawdown of -30.87%. Use the drawdown chart below to compare losses from any high point for WELS.DE and 2B70.DE.
Loading charts...
Drawdown Indicators
| WELS.DE | 2B70.DE | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -23.13% | -30.87% | +7.74% |
Max Drawdown (1Y)Largest decline over 1 year | -12.35% | -6.33% | -6.02% |
Max Drawdown (3Y)Largest decline over 3 years | -23.13% | -29.34% | +6.21% |
Max Drawdown (5Y)Largest decline over 5 years | — | -30.87% | — |
Current DrawdownCurrent decline from peak | -12.08% | -1.26% | -10.82% |
Average DrawdownAverage peak-to-trough decline | -7.30% | -10.01% | +2.71% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.34% | 2.29% | +3.05% |
Volatility
WELS.DE vs. 2B70.DE - Volatility Comparison
The current volatility for Amundi S&P Global Health Care ESG UCITS ETF EUR Acc (WELS.DE) is 5.27%, while iShares Nasdaq US Biotechnology UCITS ETF (2B70.DE) has a volatility of 6.65%. This indicates that WELS.DE experiences smaller price fluctuations and is considered to be less risky than 2B70.DE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| WELS.DE | 2B70.DE | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.27% | 6.65% | -1.38% |
Volatility (6M)Calculated over the trailing 6-month period | 10.22% | 14.26% | -4.04% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.60% | 19.09% | -4.49% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 13.59% | 20.34% | -6.75% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 13.59% | 21.76% | -8.17% |
WELS.DE vs. 2B70.DE - Expense Ratio Comparison
WELS.DE has a 0.18% expense ratio, which is lower than 2B70.DE's 0.35% expense ratio.
Dividends
WELS.DE vs. 2B70.DE - Dividend Comparison
Neither WELS.DE nor 2B70.DE has paid dividends to shareholders.
Frequently Asked Questions
WELS.DE and 2B70.DE have a correlation of 0.70, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, WELS.DE is cheaper at 0.18% per year. The better choice depends on whether you care most about return, fees, risk, or income.
WELS.DE is cheaper with a 0.18% expense ratio, compared with 0.35% for 2B70.DE.
WELS.DE tracks S&P Developed Ex-Korea LargeMidCap Sustainability Enhanced Health Care, while 2B70.DE tracks Nasdaq Biotechnology. They also come from different issuers: Amundi and iShares. Their fees differ too: 0.18% for WELS.DE and 0.35% for 2B70.DE.
Find the right allocation for WELS.DE and 2B70.DE
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer