REI vs. VGSTX

Last updated Apr 1, 2026

Compare and contrast key facts about Ring Energy, Inc. (REI) and Vanguard STAR Fund (VGSTX).

VGSTX is managed by Vanguard. It was launched on Mar 29, 1985.

Performance

REI vs. VGSTX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Ring Energy, Inc. (REI) and Vanguard STAR Fund (VGSTX). The values are adjusted to include any dividend payments, if applicable.

REI vs. VGSTX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
REI Ring Energy, Inc.	75.86%	-36.03%	-6.85%	-40.65%	7.89%	245.51%	-75.00%	-48.03%	-63.45%	7.01%
VGSTX Vanguard STAR Fund	-4.01%	15.88%	13.69%	17.14%	-18.05%	9.65%	21.45%	22.21%	-5.33%	16.95%

Returns By Period

In the year-to-date period, REI achieves a 75.86% return, which is significantly higher than VGSTX's -4.01% return. Over the past 10 years, REI has underperformed VGSTX with an annualized return of -11.11%, while VGSTX has yielded a comparatively higher 8.76% annualized return.

REI

• 1D: -4.97%
• 1M: 8.51%
• YTD: 75.86%
• 6M: 40.37%
• 1Y: 33.04%
• 3Y*: -6.97%
• 5Y*: -8.99%
• 10Y*: -11.11%

VGSTX

• 1D: 0.04%
• 1M: -6.61%
• YTD: -4.01%
• 6M: -1.24%
• 1Y: 11.52%
• 3Y*: 11.57%
• 5Y*: 5.39%
• 10Y*: 8.76%

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

Return for Risk

REI vs. VGSTX — Risk / Return Rank

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

REI

REI Risk / Return Rank: 59
REI Sharpe Ratio Rank: 62
REI Sortino Ratio Rank: 59
REI Omega Ratio Rank: 56
REI Calmar Ratio Rank: 61
REI Martin Ratio Rank: 56

VGSTX

VGSTX Risk / Return Rank: 57
VGSTX Sharpe Ratio Rank: 56
VGSTX Sortino Ratio Rank: 58
VGSTX Omega Ratio Rank: 56
VGSTX Calmar Ratio Rank: 53
VGSTX Martin Ratio Rank: 59

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.

REI vs. VGSTX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Ring Energy, Inc. (REI) and Vanguard STAR Fund (VGSTX). 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.

	REI	VGSTX	Difference
Sharpe ratio Return per unit of total volatility	0.54	1.01	-0.47
Sortino ratio Return per unit of downside risk	1.13	1.49	-0.36
Omega ratio Gain probability vs. loss probability	1.14	1.21	-0.08
Calmar ratio Return relative to maximum drawdown	0.84	1.25	-0.41
Martin ratio Return relative to average drawdown	1.45	5.64	-4.20
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

REI vs. VGSTX - Sharpe Ratio Comparison

The current REI Sharpe Ratio is 0.54, which is lower than the VGSTX Sharpe Ratio of 1.01. The chart below compares the historical Sharpe Ratios of REI and VGSTX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	REI	VGSTX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.54	1.01	-0.47
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.15	0.46	-0.61
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.15	0.75	-0.90
Sharpe Ratio (All Time) Calculated using the full available price history	-0.07	0.79	-0.86

Correlation

The correlation between REI and VGSTX is 0.23, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

REI vs. VGSTX - Dividend Comparison

REI has not paid dividends to shareholders, while VGSTX's dividend yield for the trailing twelve months is around 9.51%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
REI Ring Energy, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VGSTX Vanguard STAR Fund	9.51%	9.13%	10.67%	5.35%	8.34%	6.70%	6.68%	6.07%	6.90%	3.32%	4.77%	5.62%

Drawdowns

REI vs. VGSTX - Drawdown Comparison

The maximum REI drawdown since its inception was -97.68%, which is greater than VGSTX's maximum drawdown of -38.62%. Use the drawdown chart below to compare losses from any high point for REI and VGSTX.

Drawdown Indicators

	REI	VGSTX	Difference
Max Drawdown Largest peak-to-trough decline	-97.68%	-38.62%	-59.06%
Max Drawdown (1Y) Largest decline over 1 year	-37.75%	-8.19%	-29.56%
Max Drawdown (5Y) Largest decline over 5 years	-85.32%	-25.55%	-59.77%
Max Drawdown (10Y) Largest decline over 10 years	-97.24%	-25.55%	-71.69%
Current Drawdown Current decline from peak	-92.48%	-6.73%	-85.75%
Average Drawdown Average peak-to-trough decline	-69.40%	-4.04%	-65.36%
Ulcer Index Depth and duration of drawdowns from previous peaks	22.04%	1.82%	+20.22%

Volatility

REI vs. VGSTX - Volatility Comparison

Ring Energy, Inc. (REI) has a higher volatility of 14.47% compared to Vanguard STAR Fund (VGSTX) at 3.49%. This indicates that REI's price experiences larger fluctuations and is considered to be riskier than VGSTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	REI	VGSTX	Difference
Volatility (1M) Calculated over the trailing 1-month period	14.47%	3.49%	+10.98%
Volatility (6M) Calculated over the trailing 6-month period	37.81%	6.36%	+31.45%
Volatility (1Y) Calculated over the trailing 1-year period	61.10%	11.32%	+49.78%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	61.13%	11.79%	+49.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	73.50%	11.79%	+61.71%