FLCKX vs. POSKX

Last updated Jun 24, 2026

FLCKX (Fidelity Leveraged Company Stock Fund Class K) and POSKX (PrimeCap Odyssey Stock Fund) are both Large Cap Blend Equities funds. Over the past 10 years, FLCKX returned 16.64%/yr vs 17.20%/yr for POSKX. Their correlation of 0.89 suggests significant overlap in exposure. Both charge a 0.65% expense ratio.

Performance

FLCKX vs. POSKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Leveraged Company Stock Fund Class K (FLCKX) and PrimeCap Odyssey Stock Fund (POSKX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with FLCKX having a 27.04% return and POSKX slightly lower at 26.80%. Both investments have delivered pretty close results over the past 10 years, with FLCKX having a 16.64% annualized return and POSKX not far ahead at 17.20%.

FLCKX

• 1D: 1.44%
• 1M: 9.27%
• YTD: 27.04%
• 6M: 25.37%
• 1Y: 44.85%
• 3Y*: 29.90%
• 5Y*: 15.42%
• 10Y*: 16.64%

POSKX

• 1D: 1.20%
• 1M: 6.08%
• YTD: 26.80%
• 6M: 25.51%
• 1Y: 53.32%
• 3Y*: 25.86%
• 5Y*: 16.80%
• 10Y*: 17.20%

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

FLCKX vs. POSKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FLCKX Fidelity Leveraged Company Stock Fund Class K	27.04%	20.45%	27.06%	26.21%	-22.91%	26.19%	26.85%	35.76%	-16.34%	20.95%
POSKX PrimeCap Odyssey Stock Fund	26.80%	25.73%	12.77%	21.18%	-11.12%	32.48%	10.13%	27.15%	-7.19%	25.99%

Correlation

The correlation between FLCKX and POSKX is 0.78, 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	0.78
Correlation (3Y) Calculated over the trailing 3-year period	0.82
Correlation (5Y) Calculated over the trailing 5-year period	0.88
Correlation (10Y) Calculated over the trailing 10-year period	0.89
Correlation (All Time) Calculated using the full available price history since May 9, 2008	0.89

The correlation between FLCKX and POSKX shifts across timeframes, from 0.78 (1 year) to 0.89 (all time), reflecting how their relationship changes across market environments.

Return for Risk

FLCKX vs. POSKX — Risk / Return Rank

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

FLCKX

FLCKX Risk / Return Rank: 63
FLCKX Sharpe Ratio Rank: 60
FLCKX Sortino Ratio Rank: 49
FLCKX Omega Ratio Rank: 51
FLCKX Calmar Ratio Rank: 82
FLCKX Martin Ratio Rank: 74

POSKX

POSKX Risk / Return Rank: 94
POSKX Sharpe Ratio Rank: 96
POSKX Sortino Ratio Rank: 93
POSKX Omega Ratio Rank: 88
POSKX Calmar Ratio Rank: 95
POSKX Martin Ratio Rank: 96

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.

FLCKX vs. POSKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Leveraged Company Stock Fund Class K (FLCKX) 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	FLCKX	POSKX	Difference
Sharpe ratio: Return per unit of total volatility	2.10	3.24	-1.13
Sortino ratio: Return per unit of downside risk	2.71	4.39	-1.68
Omega ratio: Gain probability vs. loss probability	1.36	1.57	-0.21
Calmar ratio: Return relative to maximum drawdown	3.59	5.47	-1.88
Martin ratio: Return relative to average drawdown	13.05	22.70	-9.65

FLCKX vs. POSKX - Sharpe Ratio Comparison

The current FLCKX Sharpe Ratio is 2.10, which is lower than the POSKX Sharpe Ratio of 3.24. The chart below compares the historical Sharpe Ratios of FLCKX 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.

Drawdowns

FLCKX vs. POSKX - Drawdown Comparison

The maximum FLCKX drawdown since its inception was -69.99%, which is greater than POSKX's maximum drawdown of -50.18%. Use the drawdown chart below to compare losses from any high point for FLCKX and POSKX.

Drawdown Indicators

	FLCKX	POSKX	Difference
Max Drawdown Largest peak-to-trough decline	-69.99%	-50.18%	-19.81%
Max Drawdown (1Y) Largest decline over 1 year	-13.03%	-9.99%	-3.04%
Max Drawdown (3Y) Largest decline over 3 years	-28.52%	-20.25%	-8.27%
Max Drawdown (5Y) Largest decline over 5 years	-28.52%	-22.96%	-5.56%
Max Drawdown (10Y) Largest decline over 10 years	-44.10%	-36.88%	-7.22%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-12.39%	-6.14%	-6.25%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.57%	2.40%	+1.17%

Volatility

FLCKX vs. POSKX - Volatility Comparison

Fidelity Leveraged Company Stock Fund Class K (FLCKX) has a higher volatility of 9.06% compared to PrimeCap Odyssey Stock Fund (POSKX) at 6.72%. This indicates that FLCKX's price experiences larger fluctuations and is considered to be riskier than POSKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FLCKX	POSKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.06%	6.72%	+2.34%
Volatility (6M) Calculated over the trailing 6-month period	18.28%	13.83%	+4.45%
Volatility (1Y) Calculated over the trailing 1-year period	22.29%	16.94%	+5.35%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.09%	18.05%	+5.04%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.52%	19.09%	+4.43%

FLCKX vs. POSKX - Expense Ratio Comparison

Both FLCKX and POSKX have an expense ratio of 0.65%.

Dividends

FLCKX vs. POSKX - Dividend Comparison

FLCKX's dividend yield for the trailing twelve months is around 3.69%, less than POSKX's 21.64% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FLCKX Fidelity Leveraged Company Stock Fund Class K	3.69%	4.69%	14.54%	12.22%	18.51%	8.45%	0.19%	0.14%	19.95%	18.97%	27.57%	6.18%
POSKX PrimeCap Odyssey Stock Fund	21.64%	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 FLCKX and POSKX in my portfolio?

FLCKX and POSKX have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FLCKX or POSKX?

FLCKX has higher volatility (9.06%) compared to POSKX (6.72%). In terms of maximum drawdown, FLCKX dropped -69.99% vs POSKX's -50.18%.

Which has better risk-adjusted returns?

POSKX currently has the higher Sharpe Ratio (3.23 vs 2.10), 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.