GQETX vs. POSKX

Last updated Jun 4, 2026

GQETX (GMO Quality Fund) and POSKX (PrimeCap Odyssey Stock Fund) are both Large Cap Blend Equities funds. Over the past 10 years, GQETX returned 16.18%/yr vs 16.24%/yr for POSKX. Their correlation of 0.88 suggests significant overlap in exposure. GQETX charges 0.49%/yr vs 0.65%/yr for POSKX.

Performance

GQETX vs. POSKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in GMO Quality Fund (GQETX) and PrimeCap Odyssey Stock Fund (POSKX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GQETX achieves a 5.77% return, which is significantly lower than POSKX's 22.10% return. Both investments have delivered pretty close results over the past 10 years, with GQETX having a 16.18% annualized return and POSKX not far ahead at 16.24%.

GQETX

• 1D: -0.27%
• 1M: 4.19%
• YTD: 5.77%
• 6M: 6.66%
• 1Y: 22.85%
• 3Y*: 17.78%
• 5Y*: 13.46%
• 10Y*: 16.18%

POSKX

• 1D: 0.52%
• 1M: 9.11%
• YTD: 22.10%
• 6M: 22.48%
• 1Y: 50.17%
• 3Y*: 25.06%
• 5Y*: 15.87%
• 10Y*: 16.24%

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

GQETX vs. POSKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GQETX GMO Quality Fund	5.77%	19.61%	17.76%	28.94%	-15.33%	31.67%	18.33%	31.77%	0.50%	29.11%
POSKX PrimeCap Odyssey Stock Fund	22.10%	25.73%	12.77%	21.18%	-11.12%	32.48%	10.13%	27.15%	-7.19%	25.99%

Correlation

The correlation between GQETX and POSKX is 0.82, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.82
Correlation (3Y) Calculated over the trailing 3-year period	0.84
Correlation (5Y) Calculated over the trailing 5-year period	0.88
Correlation (10Y) Calculated over the trailing 10-year period	0.87
Correlation (All Time) Calculated using the full available price history since Jan 4, 2005	0.88

The correlation between GQETX and POSKX has been stable across timeframes, ranging from 0.82 to 0.88 - a consistent structural relationship.

Return for Risk

GQETX vs. POSKX — Risk / Return Rank

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

GQETX

GQETX Risk / Return Rank: 35
GQETX Sharpe Ratio Rank: 41
GQETX Sortino Ratio Rank: 40
GQETX Omega Ratio Rank: 37
GQETX Calmar Ratio Rank: 23
GQETX Martin Ratio Rank: 31

POSKX

POSKX Risk / Return Rank: 91
POSKX Sharpe Ratio Rank: 94
POSKX Sortino Ratio Rank: 91
POSKX Omega Ratio Rank: 85
POSKX Calmar Ratio Rank: 93
POSKX Martin Ratio Rank: 94

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.

GQETX vs. POSKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for GMO Quality Fund (GQETX) and PrimeCap Odyssey Stock Fund (POSKX). 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.

	GQETX	POSKX	Difference
Sharpe ratio Return per unit of total volatility	1.88	3.25	-1.37
Sortino ratio Return per unit of downside risk	2.66	4.48	-1.82
Omega ratio Gain probability vs. loss probability	1.33	1.57	-0.25
Calmar ratio Return relative to maximum drawdown	1.80	5.18	-3.38
Martin ratio Return relative to average drawdown	7.13	21.69	-14.56
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GQETX vs. POSKX - Sharpe Ratio Comparison

The current GQETX Sharpe Ratio is 1.88, which is lower than the POSKX Sharpe Ratio of 3.25. The chart below compares the historical Sharpe Ratios of GQETX and POSKX, 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

	GQETX	POSKX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.88	3.25	-1.37
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.85	0.89	-0.04
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.95	0.86	+0.09
Sharpe Ratio (All Time) Calculated using the full available price history	0.71	0.67	+0.05

Drawdowns

GQETX vs. POSKX - Drawdown Comparison

The maximum GQETX drawdown since its inception was -39.99%, smaller than the maximum POSKX drawdown of -50.18%. Use the drawdown chart below to compare losses from any high point for GQETX and POSKX.

Drawdown Indicators

	GQETX	POSKX	Difference
Max Drawdown Largest peak-to-trough decline	-39.99%	-50.18%	+10.19%
Max Drawdown (1Y) Largest decline over 1 year	-12.76%	-9.99%	-2.77%
Max Drawdown (3Y) Largest decline over 3 years	-15.54%	-20.25%	+4.71%
Max Drawdown (5Y) Largest decline over 5 years	-24.22%	-22.96%	-1.26%
Max Drawdown (10Y) Largest decline over 10 years	-30.44%	-36.88%	+6.44%
Current Drawdown Current decline from peak	-0.30%	-0.12%	-0.18%
Average Drawdown Average peak-to-trough decline	-5.00%	-6.15%	+1.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.22%	2.38%	+0.84%

Volatility

GQETX vs. POSKX - Volatility Comparison

The current volatility for GMO Quality Fund (GQETX) is 2.81%, while PrimeCap Odyssey Stock Fund (POSKX) has a volatility of 6.13%. This indicates that GQETX experiences smaller price fluctuations and is considered to be less risky than POSKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GQETX	POSKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.81%	6.13%	-3.32%
Volatility (6M) Calculated over the trailing 6-month period	9.48%	12.66%	-3.18%
Volatility (1Y) Calculated over the trailing 1-year period	12.24%	15.92%	-3.68%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.86%	17.87%	-2.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.07%	19.00%	-1.93%

GQETX vs. POSKX - Expense Ratio Comparison

GQETX has a 0.49% expense ratio, which is lower than POSKX's 0.65% expense ratio.

Dividends

GQETX vs. POSKX - Dividend Comparison

GQETX's dividend yield for the trailing twelve months is around 10.55%, less than POSKX's 22.47% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GQETX GMO Quality Fund	10.55%	11.16%	3.91%	3.43%	11.85%	10.19%	13.61%	8.08%	21.66%	8.10%	3.56%	17.25%
POSKX PrimeCap Odyssey Stock Fund	22.47%	27.44%	18.13%	10.14%	12.13%	14.58%	7.85%	6.03%	3.03%	2.17%	2.93%	1.92%

Frequently Asked Questions

Can I hold both GQETX and POSKX in my portfolio?

GQETX and POSKX have a correlation of 0.82, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GQETX or POSKX?

POSKX has higher volatility (6.13%) compared to GQETX (2.81%). In terms of maximum drawdown, GQETX dropped -39.99% vs POSKX's -50.18%.

Which has better risk-adjusted returns?

POSKX currently has the higher Sharpe Ratio (3.25 vs 1.88), 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.