PFSLX vs. FNKFX

Last updated Apr 1, 2026

Compare and contrast key facts about Paradigm Select Fund (PFSLX) and Fidelity Mid-Cap Stock K6 Fund (FNKFX).

PFSLX is managed by Paradigm Funds. It was launched on Jan 3, 2005. FNKFX is managed by Fidelity. It was launched on Jun 13, 2019.

Performance

PFSLX vs. FNKFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Paradigm Select Fund (PFSLX) and Fidelity Mid-Cap Stock K6 Fund (FNKFX). The values are adjusted to include any dividend payments, if applicable.

PFSLX vs. FNKFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
PFSLX Paradigm Select Fund	6.58%	13.27%	16.73%	26.94%	-26.44%	31.16%	26.05%	19.71%
FNKFX Fidelity Mid-Cap Stock K6 Fund	1.09%	11.07%	21.99%	11.55%	-5.98%	27.16%	11.27%	8.97%

Returns By Period

In the year-to-date period, PFSLX achieves a 6.58% return, which is significantly higher than FNKFX's 1.09% return.

PFSLX

• 1D: -2.77%
• 1M: -9.33%
• YTD: 6.58%
• 6M: 18.76%
• 1Y: 39.31%
• 3Y*: 17.89%
• 5Y*: 9.03%
• 10Y*: 13.73%

FNKFX

• 1D: -1.40%
• 1M: -7.76%
• YTD: 1.09%
• 6M: 3.47%
• 1Y: 19.33%
• 3Y*: 14.58%
• 5Y*: 9.94%
• 10Y*: —

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

PFSLX vs. FNKFX - Expense Ratio Comparison

PFSLX has a 1.16% expense ratio, which is higher than FNKFX's 0.52% expense ratio.

PFSLX

Paradigm Select Fund

FNKFX

Fidelity Mid-Cap Stock K6 Fund

Return for Risk

PFSLX vs. FNKFX — Risk / Return Rank

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

PFSLX

PFSLX Risk / Return Rank: 82
PFSLX Sharpe Ratio Rank: 78
PFSLX Sortino Ratio Rank: 80
PFSLX Omega Ratio Rank: 70
PFSLX Calmar Ratio Rank: 91
PFSLX Martin Ratio Rank: 90

FNKFX

FNKFX Risk / Return Rank: 53
FNKFX Sharpe Ratio Rank: 51
FNKFX Sortino Ratio Rank: 54
FNKFX Omega Ratio Rank: 50
FNKFX Calmar Ratio Rank: 51
FNKFX 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.

PFSLX vs. FNKFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Paradigm Select Fund (PFSLX) and Fidelity Mid-Cap Stock K6 Fund (FNKFX). 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.

	PFSLX	FNKFX	Difference
Sharpe ratio Return per unit of total volatility	1.42	0.98	+0.44
Sortino ratio Return per unit of downside risk	2.02	1.47	+0.56
Omega ratio Gain probability vs. loss probability	1.26	1.20	+0.06
Calmar ratio Return relative to maximum drawdown	2.59	1.24	+1.34
Martin ratio Return relative to average drawdown	10.06	5.64	+4.43
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PFSLX vs. FNKFX - Sharpe Ratio Comparison

The current PFSLX Sharpe Ratio is 1.42, which is higher than the FNKFX Sharpe Ratio of 0.98. The chart below compares the historical Sharpe Ratios of PFSLX and FNKFX, 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

	PFSLX	FNKFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.42	0.98	+0.44
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.02	0.53	-0.51
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.04	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.05	0.57	-0.52

Correlation

The correlation between PFSLX and FNKFX is 0.87, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

PFSLX vs. FNKFX - Dividend Comparison

PFSLX's dividend yield for the trailing twelve months is around 0.13%, less than FNKFX's 0.58% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PFSLX Paradigm Select Fund	0.13%	0.14%	0.02%	0.31%	0.01%	0.17%	0.11%	0.58%	2.93%	3.89%	0.74%	9.40%
FNKFX Fidelity Mid-Cap Stock K6 Fund	0.58%	0.59%	12.35%	0.99%	2.91%	4.03%	1.45%	0.52%	0.00%	0.00%	0.00%	0.00%

Drawdowns

PFSLX vs. FNKFX - Drawdown Comparison

The maximum PFSLX drawdown since its inception was -93.50%, which is greater than FNKFX's maximum drawdown of -41.25%. Use the drawdown chart below to compare losses from any high point for PFSLX and FNKFX.

Drawdown Indicators

	PFSLX	FNKFX	Difference
Max Drawdown Largest peak-to-trough decline	-93.50%	-41.25%	-52.25%
Max Drawdown (1Y) Largest decline over 1 year	-13.70%	-13.51%	-0.19%
Max Drawdown (5Y) Largest decline over 5 years	-93.50%	-21.86%	-71.64%
Max Drawdown (10Y) Largest decline over 10 years	-93.50%	—	—
Current Drawdown Current decline from peak	-89.74%	-8.67%	-81.07%
Average Drawdown Average peak-to-trough decline	-13.34%	-5.07%	-8.27%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.52%	2.98%	+0.54%

Volatility

PFSLX vs. FNKFX - Volatility Comparison

Paradigm Select Fund (PFSLX) has a higher volatility of 10.40% compared to Fidelity Mid-Cap Stock K6 Fund (FNKFX) at 6.61%. This indicates that PFSLX's price experiences larger fluctuations and is considered to be riskier than FNKFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PFSLX	FNKFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.40%	6.61%	+3.79%
Volatility (6M) Calculated over the trailing 6-month period	18.06%	12.09%	+5.97%
Volatility (1Y) Calculated over the trailing 1-year period	27.80%	20.24%	+7.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	475.26%	18.73%	+456.53%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	336.38%	22.06%	+314.32%