FDTIX vs. FOCKX

Last updated Jul 3, 2026

FDTIX (Fidelity Advisor Diversified Stock Fund Class I) and FOCKX (Fidelity OTC Portfolio Class K) are both Large Cap Growth Equities funds from Fidelity. Over the past 10 years, FDTIX returned 16.17%/yr vs 22.84%/yr for FOCKX. Their correlation of 0.90 suggests significant overlap in exposure. FDTIX charges 0.59%/yr vs 0.73%/yr for FOCKX.

Performance

FDTIX vs. FOCKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Diversified Stock Fund Class I (FDTIX) and Fidelity OTC Portfolio Class K (FOCKX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FDTIX achieves a 13.26% return, which is significantly lower than FOCKX's 25.77% return. Over the past 10 years, FDTIX has underperformed FOCKX with an annualized return of 16.17%, while FOCKX has yielded a comparatively higher 22.84% annualized return.

FDTIX

• 1D: -1.41%
• 1M: -1.20%
• 6M: 13.26%
• YTD: 13.26%
• 1Y: 24.70%
• 3Y*: 21.55%
• 5Y*: 12.85%
• 10Y*: 16.17%

FOCKX

• 1D: -1.75%
• 1M: -1.47%
• 6M: 25.77%
• YTD: 25.77%
• 1Y: 49.05%
• 3Y*: 32.93%
• 5Y*: 17.31%
• 10Y*: 22.84%

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

FDTIX vs. FOCKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FDTIX Fidelity Advisor Diversified Stock Fund Class I	13.26%	13.92%	27.86%	28.15%	-19.97%	28.07%	27.26%	28.02%	-5.72%	17.77%
FOCKX Fidelity OTC Portfolio Class K	25.77%	22.28%	38.91%	42.92%	-32.07%	25.06%	46.83%	39.36%	-3.18%	38.78%

Correlation

The correlation between FDTIX and FOCKX is 0.92, 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	0.92
Correlation (3Y) Calculated over the trailing 3-year period	0.92
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (10Y) Calculated over the trailing 10-year period	0.91
Correlation (All Time) Calculated using the full available price history since May 9, 2008	0.90

The correlation between FDTIX and FOCKX has been stable across timeframes, ranging from 0.90 to 0.92 - a consistent structural relationship.

Return for Risk

FDTIX vs. FOCKX — Risk / Return Rank

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

FDTIX

FDTIX Risk / Return Rank: 56
FDTIX Sharpe Ratio Rank: 50
FDTIX Sortino Ratio Rank: 45
FDTIX Omega Ratio Rank: 47
FDTIX Calmar Ratio Rank: 65
FDTIX Martin Ratio Rank: 73

FOCKX

FOCKX Risk / Return Rank: 88
FOCKX Sharpe Ratio Rank: 89
FOCKX Sortino Ratio Rank: 81
FOCKX Omega Ratio Rank: 80
FOCKX Calmar Ratio Rank: 93
FOCKX Martin Ratio Rank: 95

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.

FDTIX vs. FOCKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Diversified Stock Fund Class I (FDTIX) and Fidelity OTC Portfolio Class K (FOCKX). 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.

	FDTIX	FOCKX	Difference
Sharpe ratio: Return per unit of total volatility	1.63	2.52	-0.89
Sortino ratio: Return per unit of downside risk	2.22	3.20	-0.99
Omega ratio: Gain probability vs. loss probability	1.29	1.43	-0.13
Calmar ratio: Return relative to maximum drawdown	2.54	4.50	-1.96
Martin ratio: Return relative to average drawdown	10.78	18.32	-7.54

FDTIX vs. FOCKX - Sharpe Ratio Comparison

The current FDTIX Sharpe Ratio is 1.63, which is lower than the FOCKX Sharpe Ratio of 2.52. The chart below compares the historical Sharpe Ratios of FDTIX and FOCKX, 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

FDTIX vs. FOCKX - Drawdown Comparison

The maximum FDTIX drawdown since its inception was -62.92%, which is greater than FOCKX's maximum drawdown of -53.33%. Use the drawdown chart below to compare losses from any high point for FDTIX and FOCKX.

Drawdown Indicators

	FDTIX	FOCKX	Difference
Max Drawdown Largest peak-to-trough decline	-62.92%	-53.33%	-9.59%
Max Drawdown (1Y) Largest decline over 1 year	-10.02%	-11.28%	+1.26%
Max Drawdown (3Y) Largest decline over 3 years	-26.49%	-24.83%	-1.66%
Max Drawdown (5Y) Largest decline over 5 years	-26.49%	-36.97%	+10.48%
Max Drawdown (10Y) Largest decline over 10 years	-30.39%	-36.97%	+6.58%
Current Drawdown Current decline from peak	-1.47%	-3.02%	+1.55%
Average Drawdown Average peak-to-trough decline	-8.30%	-8.36%	+0.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.35%	2.76%	-0.41%

Volatility

FDTIX vs. FOCKX - Volatility Comparison

The current volatility for Fidelity Advisor Diversified Stock Fund Class I (FDTIX) is 7.05%, while Fidelity OTC Portfolio Class K (FOCKX) has a volatility of 10.14%. This indicates that FDTIX experiences smaller price fluctuations and is considered to be less risky than FOCKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FDTIX	FOCKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.05%	10.14%	-3.09%
Volatility (6M) Calculated over the trailing 6-month period	12.72%	16.53%	-3.81%
Volatility (1Y) Calculated over the trailing 1-year period	15.60%	20.15%	-4.55%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.69%	23.07%	-3.38%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.45%	22.56%	-3.11%

FDTIX vs. FOCKX - Expense Ratio Comparison

FDTIX has a 0.59% expense ratio, which is lower than FOCKX's 0.73% expense ratio.

Dividends

FDTIX vs. FOCKX - Dividend Comparison

FDTIX's dividend yield for the trailing twelve months is around 5.27%, less than FOCKX's 6.01% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FDTIX Fidelity Advisor Diversified Stock Fund Class I	5.27%	5.97%	13.05%	3.24%	8.46%	15.94%	4.94%	2.96%	12.86%	7.36%	1.45%	8.09%
FOCKX Fidelity OTC Portfolio Class K	6.01%	7.56%	16.42%	0.09%	3.97%	11.34%	6.18%	7.49%	7.81%	4.85%	3.25%	5.42%

Frequently Asked Questions

Can I hold both FDTIX and FOCKX in my portfolio?

With a correlation of 0.92, FDTIX and FOCKX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, FDTIX or FOCKX?

FOCKX has higher volatility (10.14%) compared to FDTIX (7.05%). In terms of maximum drawdown, FDTIX dropped -62.92% vs FOCKX's -53.33%.

Which has better risk-adjusted returns?

FOCKX currently has the higher Sharpe Ratio (2.52 vs 1.63), 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.