SAMKX vs. POGSX

Last updated Jun 4, 2026

SAMKX (SA U.S. Core Market Fund) and POGSX (Pin Oak Equity) are both Large Cap Blend Equities funds. Over the past 10 years, SAMKX returned 14.68%/yr vs 13.73%/yr for POGSX. Their correlation of 0.90 suggests significant overlap in exposure. SAMKX charges 0.67%/yr vs 0.91%/yr for POGSX.

Performance

SAMKX vs. POGSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SA U.S. Core Market Fund (SAMKX) and Pin Oak Equity (POGSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SAMKX achieves a 10.70% return, which is significantly lower than POGSX's 15.39% return. Over the past 10 years, SAMKX has outperformed POGSX with an annualized return of 14.68%, while POGSX has yielded a comparatively lower 13.73% annualized return.

SAMKX

• 1D: 0.20%
• 1M: 5.03%
• YTD: 10.70%
• 6M: 10.65%
• 1Y: 26.48%
• 3Y*: 20.97%
• 5Y*: 12.86%
• 10Y*: 14.68%

POGSX

• 1D: -0.34%
• 1M: 0.37%
• YTD: 15.39%
• 6M: 16.77%
• 1Y: 36.49%
• 3Y*: 26.62%
• 5Y*: 12.09%
• 10Y*: 13.73%

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

SAMKX vs. POGSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SAMKX SA U.S. Core Market Fund	10.70%	15.80%	22.80%	25.81%	-18.91%	25.66%	18.88%	30.56%	-4.69%	22.20%
POGSX Pin Oak Equity	15.39%	27.41%	18.99%	27.16%	-25.10%	21.42%	10.60%	27.72%	-6.15%	15.14%

Correlation

The correlation between SAMKX and POGSX is 0.73, 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	0.73
Correlation (3Y) Calculated over the trailing 3-year period	0.77
Correlation (5Y) Calculated over the trailing 5-year period	0.86
Correlation (10Y) Calculated over the trailing 10-year period	0.89
Correlation (All Time) Calculated using the full available price history since Aug 6, 2012	0.90

The correlation between SAMKX and POGSX shifts across timeframes, from 0.73 (1 year) to 0.90 (all time), reflecting how their relationship changes across market environments.

Return for Risk

SAMKX vs. POGSX — Risk / Return Rank

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

SAMKX

SAMKX Risk / Return Rank: 78
SAMKX Sharpe Ratio Rank: 82
SAMKX Sortino Ratio Rank: 78
SAMKX Omega Ratio Rank: 72
SAMKX Calmar Ratio Rank: 77
SAMKX Martin Ratio Rank: 83

POGSX

POGSX Risk / Return Rank: 83
POGSX Sharpe Ratio Rank: 70
POGSX Sortino Ratio Rank: 87
POGSX Omega Ratio Rank: 79
POGSX Calmar Ratio Rank: 90
POGSX Martin Ratio Rank: 86

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.

SAMKX vs. POGSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SA U.S. Core Market Fund (SAMKX) and Pin Oak Equity (POGSX). 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.

	SAMKX	POGSX	Difference
Sharpe ratio: Return per unit of total volatility	2.66	2.45	+0.22
Sortino ratio: Return per unit of downside risk	3.76	4.16	-0.40
Omega ratio: Gain probability vs. loss probability	1.48	1.52	-0.04
Calmar ratio: Return relative to maximum drawdown	3.49	4.60	-1.11
Martin ratio: Return relative to average drawdown	15.78	16.60	-0.82
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SAMKX vs. POGSX - Sharpe Ratio Comparison

The current SAMKX Sharpe Ratio is 2.66, which is comparable to the POGSX Sharpe Ratio of 2.45. The chart below compares the historical Sharpe Ratios of SAMKX and POGSX, 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

	SAMKX	POGSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.66	2.45	+0.22
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.79	0.68	+0.10
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.85	0.74	+0.11
Sharpe Ratio (All Time) Calculated using the full available price history	0.88	0.30	+0.57

Drawdowns

SAMKX vs. POGSX - Drawdown Comparison

The maximum SAMKX drawdown since its inception was -33.77%, smaller than the maximum POGSX drawdown of -89.46%. Use the drawdown chart below to compare losses from any high point for SAMKX and POGSX.

Drawdown Indicators

	SAMKX	POGSX	Difference
Max Drawdown Largest peak-to-trough decline	-33.77%	-89.46%	+55.69%
Max Drawdown (1Y) Largest decline over 1 year	-8.75%	-8.03%	-0.72%
Max Drawdown (3Y) Largest decline over 3 years	-19.29%	-15.76%	-3.53%
Max Drawdown (5Y) Largest decline over 5 years	-24.88%	-29.81%	+4.93%
Max Drawdown (10Y) Largest decline over 10 years	-33.77%	-33.05%	-0.72%
Current Drawdown Current decline from peak	0.00%	-1.28%	+1.28%
Average Drawdown Average peak-to-trough decline	-3.93%	-36.73%	+32.80%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.86%	2.22%	-0.36%

Volatility

SAMKX vs. POGSX - Volatility Comparison

SA U.S. Core Market Fund (SAMKX) and Pin Oak Equity (POGSX) have volatilities of 2.29% and 2.31%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SAMKX	POGSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.29%	2.31%	-0.02%
Volatility (6M) Calculated over the trailing 6-month period	8.58%	12.59%	-4.01%
Volatility (1Y) Calculated over the trailing 1-year period	11.48%	15.09%	-3.61%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.85%	17.75%	-0.90%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.53%	18.54%	-1.01%

SAMKX vs. POGSX - Expense Ratio Comparison

SAMKX has a 0.67% expense ratio, which is lower than POGSX's 0.91% expense ratio.

Dividends

SAMKX vs. POGSX - Dividend Comparison

SAMKX's dividend yield for the trailing twelve months is around 0.60%, less than POGSX's 16.47% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
POGSX Pin Oak Equity	16.47%	8.85%	17.87%	8.21%	0.15%	10.93%	4.60%	3.22%	2.94%	1.79%	2.03%	3.83%
SAMKX SA U.S. Core Market Fund	0.60%	0.66%	0.69%	0.86%	5.83%	7.72%	8.08%	12.72%	6.46%	4.09%	6.20%	0.89%

Frequently Asked Questions

Can I hold both SAMKX and POGSX in my portfolio?

SAMKX and POGSX have a correlation of 0.73, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SAMKX or POGSX?

POGSX has higher volatility (2.31%) compared to SAMKX (2.29%). In terms of maximum drawdown, SAMKX dropped -33.77% vs POGSX's -89.46%.

Which has better risk-adjusted returns?

SAMKX currently has the higher Sharpe Ratio (2.66 vs 2.45), 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.