AHSAX vs. THW
AHSAX (Alger Health Sciences Fund) and THW (abrdn World Healthcare Fund) are both Health & Biotech Equities funds. Over the past 10 years, AHSAX returned 10.07%/yr vs 9.84%/yr for THW. Their 0.56 correlation means they have sometimes moved together and sometimes differently. AHSAX charges 1.05%/yr vs 1.54%/yr for THW.
Performance
AHSAX vs. THW - Performance Comparison
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Returns By Period
In the year-to-date period, AHSAX achieves a 23.38% return, which is significantly higher than THW's 10.91% return. Both investments have delivered pretty close results over the past 10 years, with AHSAX having a 10.07% annualized return and THW not far behind at 9.84%.
AHSAX
- 1D
- 0.64%
- 1M
- 7.49%
- 6M
- 23.38%
- YTD
- 23.38%
- 1Y
- 55.59%
- 3Y*
- 10.53%
- 5Y*
- 0.59%
- 10Y*
- 10.07%
- ALL TIME*
- 7.65%
THW
- 1D
- 0.08%
- 1M
- -2.77%
- 6M
- 12.28%
- YTD
- 10.91%
- 1Y
- 37.10%
- 3Y*
- 11.03%
- 5Y*
- 6.22%
- 10Y*
- 9.84%
- ALL TIME*
- 6.69%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $1.70M | $2.42M | $1.78M |
AHSAX vs. THW - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AHSAX Alger Health Sciences Fund | 23.38% | 10.14% | 1.17% | -4.26% | -17.04% | 3.26% | 30.99% | 22.02% | 5.71% | 33.06% |
THW abrdn World Healthcare Fund | 10.91% | 31.10% | 5.35% | -11.52% | -1.21% | 12.03% | 26.40% | 32.98% | -5.40% | 16.95% |
Correlation
The correlation between AHSAX and THW is 0.62, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.62 |
Correlation (3Y) Balances recent behavior with more history. | 0.58 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.59 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.57 |
Correlation (All Time) Calculated using the full available price history since Jun 26, 2015 | 0.56 |
The correlation between AHSAX and THW has been stable across timeframes, ranging from 0.56 to 0.62 - a consistent structural relationship.
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Return for Risk
AHSAX vs. THW — Risk / Return Rank
AHSAX
THW
AHSAX vs. THW - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Alger Health Sciences Fund (AHSAX) and abrdn World Healthcare Fund (THW). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| AHSAX | THW | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.12 | ||
| Sortino ratioReturn per unit of downside risk | +1.68 | ||
| Omega ratioGain probability vs. loss probability | 1.53 | 1.34 | +0.19 |
| Calmar ratioReturn relative to maximum drawdown | 5.55 | 3.41 | +2.15 |
| Martin ratioReturn relative to average drawdown | 17.97 | 12.06 | +5.91 |
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Drawdowns
AHSAX vs. THW - Drawdown Comparison
The maximum AHSAX drawdown since its inception was -46.23%, which is greater than THW's maximum drawdown of -37.36%. Use the drawdown chart below to compare losses from any high point for AHSAX and THW.
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Drawdown Indicators
| AHSAX | THW | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -46.23% | -37.36% | -8.87% |
Max Drawdown (1Y)Largest decline over 1 year | -9.67% | -11.28% | +1.61% |
Max Drawdown (3Y)Largest decline over 3 years | -23.11% | -26.76% | +3.65% |
Max Drawdown (5Y)Largest decline over 5 years | -45.04% | -31.53% | -13.51% |
Max Drawdown (10Y)Largest decline over 10 years | -45.04% | -37.36% | -7.68% |
Current DrawdownCurrent decline from peak | -10.27% | -2.77% | -7.50% |
Average DrawdownAverage peak-to-trough decline | -14.73% | -9.61% | -5.12% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.99% | 3.18% | -0.19% |
Volatility
AHSAX vs. THW - Volatility Comparison
Alger Health Sciences Fund (AHSAX) has a higher volatility of 6.39% compared to abrdn World Healthcare Fund (THW) at 5.11%. This indicates that AHSAX's price experiences larger fluctuations and is considered to be riskier than THW based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AHSAX | THW | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.39% | 5.11% | +1.28% |
Volatility (6M)Calculated over the trailing 6-month period | 13.29% | 13.59% | -0.30% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.89% | 18.79% | -1.90% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 24.31% | 18.81% | +5.50% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.37% | 21.18% | +2.19% |
AHSAX vs. THW - Expense Ratio Comparison
AHSAX has a 1.05% expense ratio, which is lower than THW's 1.54% expense ratio.
Dividends
AHSAX vs. THW - Dividend Comparison
AHSAX has not paid dividends to shareholders, while THW's dividend yield for the trailing twelve months is around 10.54%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AHSAX Alger Health Sciences Fund | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 27.18% | 11.68% | 6.98% | 7.82% | 0.00% | 0.00% | 0.00% |
THW abrdn World Healthcare Fund | 10.54% | 10.96% | 12.72% | 12.00% | 9.56% | 8.60% | 8.85% | 10.11% | 12.08% | 10.29% | 10.91% | 3.69% |
Frequently Asked Questions
AHSAX and THW have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AHSAX has higher volatility (6.39%) compared to THW (5.11%). In terms of maximum drawdown, AHSAX dropped -46.23% vs THW's -37.36%.
AHSAX currently has the higher Sharpe Ratio (3.18 vs 2.06), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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