RGC vs. VUG

Last updated Jun 4, 2026

RGC (Regencell Bioscience Holdings Limited) is a stock, while VUG (Vanguard Growth ETF) is Large Cap Growth Equities fund tracking the CRSP US Large Cap Growth Index. Over the past 3 years, RGC returned 242.31%/yr vs 25.93%/yr for VUG. At a 0.08 correlation, their price movements are largely independent.

Performance

RGC vs. VUG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Regencell Bioscience Holdings Limited (RGC) and Vanguard Growth ETF (VUG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RGC achieves a 13.10% return, which is significantly higher than VUG's 9.49% return.

RGC

• 1D: 2.59%
• 1M: -13.19%
• YTD: 13.10%
• 6M: 82.55%
• 1Y: 48.17%
• 3Y*: 242.31%
• 5Y*: —
• 10Y*: —

VUG

• 1D: -1.23%
• 1M: 6.22%
• YTD: 9.49%
• 6M: 8.72%
• 1Y: 27.84%
• 3Y*: 25.93%
• 5Y*: 15.11%
• 10Y*: 18.26%

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

RGC vs. VUG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
RGC Regencell Bioscience Holdings Limited	13.10%	16,053.85%	-52.95%	-62.35%	-12.43%	203.33%
VUG Vanguard Growth ETF	9.49%	19.40%	32.69%	46.83%	-33.16%	10.91%

Correlation

The correlation between RGC and VUG is 0.19, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.19
Correlation (3Y) Calculated over the trailing 3-year period	0.05
Correlation (All Time) Calculated using the full available price history since Jul 19, 2021	0.08

The correlation between RGC and VUG shifts across timeframes, from 0.05 (3 years) to 0.19 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

RGC vs. VUG — Risk / Return Rank

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

RGC

RGC Risk / Return Rank: 65
RGC Sharpe Ratio Rank: 45
RGC Sortino Ratio Rank: 91
RGC Omega Ratio Rank: 90
RGC Calmar Ratio Rank: 53
RGC Martin Ratio Rank: 47

VUG

VUG Risk / Return Rank: 43
VUG Sharpe Ratio Rank: 50
VUG Sortino Ratio Rank: 47
VUG Omega Ratio Rank: 48
VUG Calmar Ratio Rank: 33
VUG Martin Ratio Rank: 37

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.

RGC vs. VUG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Regencell Bioscience Holdings Limited (RGC) and Vanguard Growth ETF (VUG). 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.

	RGC	VUG	Difference
Sharpe ratio: Return per unit of total volatility	0.14	1.77	-1.63
Sortino ratio: Return per unit of downside risk	3.42	2.40	+1.02
Omega ratio: Gain probability vs. loss probability	1.44	1.31	+0.13
Calmar ratio: Return relative to maximum drawdown	0.56	1.69	-1.13
Martin ratio: Return relative to average drawdown	0.67	5.92	-5.25
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RGC vs. VUG - Sharpe Ratio Comparison

The current RGC Sharpe Ratio is 0.14, which is lower than the VUG Sharpe Ratio of 1.77. The chart below compares the historical Sharpe Ratios of RGC and VUG, 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

	RGC	VUG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.14	1.77	-1.63
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.68	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.85	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.49	0.62	-0.13

Drawdowns

RGC vs. VUG - Drawdown Comparison

The maximum RGC drawdown since its inception was -93.09%, which is greater than VUG's maximum drawdown of -50.68%. Use the drawdown chart below to compare losses from any high point for RGC and VUG.

Drawdown Indicators

	RGC	VUG	Difference
Max Drawdown Largest peak-to-trough decline	-93.09%	-50.68%	-42.41%
Max Drawdown (1Y) Largest decline over 1 year	-86.72%	-16.53%	-70.19%
Max Drawdown (3Y) Largest decline over 3 years	-88.34%	-22.85%	-65.49%
Max Drawdown (5Y) Largest decline over 5 years	—	-35.61%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-35.61%	—
Current Drawdown Current decline from peak	-69.55%	-1.51%	-68.04%
Average Drawdown Average peak-to-trough decline	-59.29%	-7.09%	-52.20%
Ulcer Index Depth and duration of drawdowns from previous peaks	71.76%	4.71%	+67.05%

Volatility

RGC vs. VUG - Volatility Comparison

Regencell Bioscience Holdings Limited (RGC) has a higher volatility of 21.55% compared to Vanguard Growth ETF (VUG) at 3.83%. This indicates that RGC's price experiences larger fluctuations and is considered to be riskier than VUG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RGC	VUG	Difference
Volatility (1M) Calculated over the trailing 1-month period	21.55%	3.83%	+17.72%
Volatility (6M) Calculated over the trailing 6-month period	110.23%	12.11%	+98.12%
Volatility (1Y) Calculated over the trailing 1-year period	344.85%	15.84%	+329.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	308.92%	22.22%	+286.70%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	308.92%	21.44%	+287.48%

Dividends

RGC vs. VUG - Dividend Comparison

RGC has not paid dividends to shareholders, while VUG's dividend yield for the trailing twelve months is around 0.37%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RGC Regencell Bioscience Holdings Limited	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VUG Vanguard Growth ETF	0.37%	0.41%	0.47%	0.58%	0.70%	0.48%	0.66%	0.95%	1.32%	1.14%	1.39%	1.30%

Frequently Asked Questions

Can I hold both RGC and VUG in my portfolio?

RGC and VUG have a correlation of 0.19, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RGC or VUG?

RGC has higher volatility (21.55%) compared to VUG (3.83%). In terms of maximum drawdown, RGC dropped -93.09% vs VUG's -50.68%.

Which has better risk-adjusted returns?

VUG currently has the higher Sharpe Ratio (1.77 vs 0.14), 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.