VHCIX vs. THW

Last updated Jun 4, 2026

VHCIX (Vanguard Health Care Index Fund Admiral Shares) and THW (abrdn World Healthcare Fund) are both Health & Biotech Equities funds. Over the past 10 years, VHCIX returned 9.16%/yr vs 9.09%/yr for THW. A 0.63 correlation means they provide meaningful diversification when combined. VHCIX charges 0.10%/yr vs 1.54%/yr for THW.

Performance

VHCIX vs. THW - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Health Care Index Fund Admiral Shares (VHCIX) and abrdn World Healthcare Fund (THW). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VHCIX achieves a -4.82% return, which is significantly lower than THW's 0.57% return. Both investments have delivered pretty close results over the past 10 years, with VHCIX having a 9.16% annualized return and THW not far behind at 9.09%.

VHCIX

• 1D: -1.27%
• 1M: 0.60%
• YTD: -4.82%
• 6M: -4.99%
• 1Y: 13.36%
• 3Y*: 5.84%
• 5Y*: 4.43%
• 10Y*: 9.16%

THW

• 1D: -2.15%
• 1M: -2.04%
• YTD: 0.57%
• 6M: 2.45%
• 1Y: 31.64%
• 3Y*: 6.83%
• 5Y*: 5.44%
• 10Y*: 9.09%

*Multi-year figures are annualized to reflect compound growth (CAGR)

VHCIX vs. THW - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VHCIX Vanguard Health Care Index Fund Admiral Shares	-4.82%	15.43%	2.64%	2.48%	-5.50%	20.56%	18.22%	21.97%	5.55%	23.35%
THW abrdn World Healthcare Fund	0.57%	31.10%	5.35%	-11.52%	-1.21%	12.03%	26.40%	32.98%	-5.40%	16.95%

Correlation

The correlation between VHCIX and THW is 0.65, 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	0.65
Correlation (3Y) Calculated over the trailing 3-year period	0.64
Correlation (5Y) Calculated over the trailing 5-year period	0.66
Correlation (10Y) Calculated over the trailing 10-year period	0.65
Correlation (All Time) Calculated using the full available price history since Jun 29, 2015	0.63

The correlation between VHCIX and THW has been stable across timeframes, ranging from 0.63 to 0.66 - a consistent structural relationship.

Return for Risk

VHCIX vs. THW — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

VHCIX

VHCIX Risk / Return Rank: 13
VHCIX Sharpe Ratio Rank: 13
VHCIX Sortino Ratio Rank: 14
VHCIX Omega Ratio Rank: 12
VHCIX Calmar Ratio Rank: 14
VHCIX Martin Ratio Rank: 11

THW

THW Risk / Return Rank: 38
THW Sharpe Ratio Rank: 31
THW Sortino Ratio Rank: 29
THW Omega Ratio Rank: 28
THW Calmar Ratio Rank: 55
THW Martin Ratio Rank: 48

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

VHCIX vs. THW - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Health Care Index Fund Admiral Shares (VHCIX) 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.

	VHCIX	THW	Difference
Sharpe ratio Return per unit of total volatility	0.96	1.59	-0.63
Sortino ratio Return per unit of downside risk	1.51	2.24	-0.73
Omega ratio Gain probability vs. loss probability	1.17	1.28	-0.11
Calmar ratio Return relative to maximum drawdown	1.33	2.82	-1.49
Martin ratio Return relative to average drawdown	3.34	9.92	-6.57
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VHCIX vs. THW - Sharpe Ratio Comparison

The current VHCIX Sharpe Ratio is 0.96, which is lower than the THW Sharpe Ratio of 1.59. The chart below compares the historical Sharpe Ratios of VHCIX and THW, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	VHCIX	THW	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.96	1.59	-0.63
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.30	0.29	0.00
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.54	0.43	+0.11
Sharpe Ratio (All Time) Calculated using the full available price history	0.55	0.27	+0.28

Drawdowns

VHCIX vs. THW - Drawdown Comparison

The maximum VHCIX drawdown since its inception was -39.12%, roughly equal to the maximum THW drawdown of -37.36%. Use the drawdown chart below to compare losses from any high point for VHCIX and THW.

Drawdown Indicators

	VHCIX	THW	Difference
Max Drawdown Largest peak-to-trough decline	-39.12%	-37.36%	-1.76%
Max Drawdown (1Y) Largest decline over 1 year	-10.39%	-11.28%	+0.89%
Max Drawdown (3Y) Largest decline over 3 years	-16.89%	-28.48%	+11.59%
Max Drawdown (5Y) Largest decline over 5 years	-17.77%	-31.53%	+13.76%
Max Drawdown (10Y) Largest decline over 10 years	-28.58%	-37.36%	+8.78%
Current Drawdown Current decline from peak	-7.85%	-4.88%	-2.97%
Average Drawdown Average peak-to-trough decline	-5.97%	-9.71%	+3.74%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.11%	3.20%	+0.91%

Volatility

VHCIX vs. THW - Volatility Comparison

The current volatility for Vanguard Health Care Index Fund Admiral Shares (VHCIX) is 4.01%, while abrdn World Healthcare Fund (THW) has a volatility of 5.05%. This indicates that VHCIX experiences smaller price fluctuations and is considered to be less risky than THW based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VHCIX	THW	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.01%	5.05%	-1.04%
Volatility (6M) Calculated over the trailing 6-month period	10.17%	13.17%	-3.00%
Volatility (1Y) Calculated over the trailing 1-year period	14.34%	20.02%	-5.68%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.00%	18.65%	-3.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.93%	21.20%	-4.27%

VHCIX vs. THW - Expense Ratio Comparison

VHCIX has a 0.10% expense ratio, which is lower than THW's 1.54% expense ratio.

Dividends

VHCIX vs. THW - Dividend Comparison

VHCIX's dividend yield for the trailing twelve months is around 1.72%, less than THW's 11.41% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
THW abrdn World Healthcare Fund	11.41%	10.96%	12.72%	12.00%	9.56%	8.60%	8.85%	10.11%	12.08%	10.29%	10.91%	3.69%
VHCIX Vanguard Health Care Index Fund Admiral Shares	1.72%	1.61%	1.53%	1.36%	1.33%	1.19%	1.21%	1.89%	1.38%	1.31%	1.45%	1.22%

Frequently Asked Questions

Can I hold both VHCIX and THW in my portfolio?

VHCIX and THW have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VHCIX or THW?

THW has higher volatility (5.05%) compared to VHCIX (4.01%). In terms of maximum drawdown, VHCIX dropped -39.12% vs THW's -37.36%.

Which has better risk-adjusted returns?

THW currently has the higher Sharpe Ratio (1.59 vs 0.96), 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.