PRSCX vs. FSELX

Last updated Jun 4, 2026

PRSCX (T. Rowe Price Science And Technology Fund) and FSELX (Fidelity Select Semiconductors Portfolio) are both mutual funds - PRSCX is a Technology Equities fund managed by T. Rowe Price, while FSELX is a Semiconductors fund managed by Fidelity. Over the past 10 years, PRSCX returned 23.56%/yr vs 39.21%/yr for FSELX. Their correlation of 0.87 suggests significant overlap in exposure. PRSCX charges 0.84%/yr vs 0.68%/yr for FSELX.

Performance

PRSCX vs. FSELX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price Science And Technology Fund (PRSCX) and Fidelity Select Semiconductors Portfolio (FSELX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PRSCX achieves a 41.41% return, which is significantly lower than FSELX's 85.56% return. Over the past 10 years, PRSCX has underperformed FSELX with an annualized return of 23.56%, while FSELX has yielded a comparatively higher 39.21% annualized return.

PRSCX

• 1D: 2.32%
• 1M: 21.76%
• YTD: 41.41%
• 6M: 38.56%
• 1Y: 83.87%
• 3Y*: 40.30%
• 5Y*: 18.72%
• 10Y*: 23.56%

FSELX

• 1D: 6.35%
• 1M: 26.53%
• YTD: 85.56%
• 6M: 83.27%
• 1Y: 166.37%
• 3Y*: 68.85%
• 5Y*: 46.95%
• 10Y*: 39.21%

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

PRSCX vs. FSELX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PRSCX T. Rowe Price Science And Technology Fund	41.41%	24.28%	40.49%	53.77%	-35.40%	5.83%	45.94%	53.80%	-7.52%	39.38%
FSELX Fidelity Select Semiconductors Portfolio	85.56%	52.17%	49.68%	78.49%	-35.27%	59.16%	44.33%	64.50%	-12.01%	34.51%

Correlation

The correlation between PRSCX and FSELX is 0.84, 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	0.84
Correlation (3Y) Calculated over the trailing 3-year period	0.85
Correlation (5Y) Calculated over the trailing 5-year period	0.84
Correlation (10Y) Calculated over the trailing 10-year period	0.83
Correlation (All Time) Calculated using the full available price history since Jan 5, 1988	0.87

The correlation between PRSCX and FSELX has been stable across timeframes, ranging from 0.83 to 0.87 - a consistent structural relationship.

Return for Risk

PRSCX vs. FSELX — Risk / Return Rank

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

PRSCX

PRSCX Risk / Return Rank: 91
PRSCX Sharpe Ratio Rank: 98
PRSCX Sortino Ratio Rank: 90
PRSCX Omega Ratio Rank: 86
PRSCX Calmar Ratio Rank: 92
PRSCX Martin Ratio Rank: 91

FSELX

FSELX Risk / Return Rank: 97
FSELX Sharpe Ratio Rank: 99
FSELX Sortino Ratio Rank: 96
FSELX Omega Ratio Rank: 93
FSELX Calmar Ratio Rank: 99
FSELX Martin Ratio Rank: 99

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.

PRSCX vs. FSELX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Science And Technology Fund (PRSCX) and Fidelity Select Semiconductors Portfolio (FSELX). 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.

	PRSCX	FSELX	Difference
Sharpe ratio: Return per unit of total volatility	3.79	5.35	-1.56
Sortino ratio: Return per unit of downside risk	4.40	5.23	-0.83
Omega ratio: Gain probability vs. loss probability	1.59	1.71	-0.12
Calmar ratio: Return relative to maximum drawdown	5.02	12.18	-7.17
Martin ratio: Return relative to average drawdown	18.70	46.77	-28.06
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PRSCX vs. FSELX - Sharpe Ratio Comparison

The current PRSCX Sharpe Ratio is 3.79, which is comparable to the FSELX Sharpe Ratio of 5.35. The chart below compares the historical Sharpe Ratios of PRSCX and FSELX, 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

	PRSCX	FSELX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.79	5.35	-1.56
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.68	1.21	-0.53
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.96	1.12	-0.17
Sharpe Ratio (All Time) Calculated using the full available price history	0.52	0.55	-0.02

Drawdowns

PRSCX vs. FSELX - Drawdown Comparison

The maximum PRSCX drawdown since its inception was -85.26%, roughly equal to the maximum FSELX drawdown of -82.54%. Use the drawdown chart below to compare losses from any high point for PRSCX and FSELX.

Drawdown Indicators

	PRSCX	FSELX	Difference
Max Drawdown Largest peak-to-trough decline	-85.26%	-82.54%	-2.72%
Max Drawdown (1Y) Largest decline over 1 year	-17.99%	-14.38%	-3.61%
Max Drawdown (3Y) Largest decline over 3 years	-31.06%	-36.31%	+5.25%
Max Drawdown (5Y) Largest decline over 5 years	-46.19%	-46.37%	+0.18%
Max Drawdown (10Y) Largest decline over 10 years	-46.19%	-46.37%	+0.18%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-29.89%	-28.70%	-1.19%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.75%	3.74%	+1.01%

Volatility

PRSCX vs. FSELX - Volatility Comparison

The current volatility for T. Rowe Price Science And Technology Fund (PRSCX) is 9.43%, while Fidelity Select Semiconductors Portfolio (FSELX) has a volatility of 12.01%. This indicates that PRSCX experiences smaller price fluctuations and is considered to be less risky than FSELX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PRSCX	FSELX	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.43%	12.01%	-2.58%
Volatility (6M) Calculated over the trailing 6-month period	19.91%	25.42%	-5.51%
Volatility (1Y) Calculated over the trailing 1-year period	23.82%	32.74%	-8.92%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.82%	38.97%	-11.15%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.81%	35.07%	-10.26%

PRSCX vs. FSELX - Expense Ratio Comparison

PRSCX has a 0.84% expense ratio, which is higher than FSELX's 0.68% expense ratio.

Dividends

PRSCX vs. FSELX - Dividend Comparison

PRSCX's dividend yield for the trailing twelve months is around 8.15%, less than FSELX's 8.83% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSELX Fidelity Select Semiconductors Portfolio	8.83%	11.11%	7.97%	7.20%	6.69%	6.99%	8.13%	3.36%	26.80%	14.44%	3.82%	15.22%
PRSCX T. Rowe Price Science And Technology Fund	8.15%	11.53%	9.43%	0.00%	7.83%	33.69%	13.90%	10.91%	36.03%	13.21%	3.68%	18.51%

Frequently Asked Questions

Can I hold both PRSCX and FSELX in my portfolio?

PRSCX and FSELX have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PRSCX or FSELX?

FSELX has higher volatility (12.01%) compared to PRSCX (9.43%). In terms of maximum drawdown, PRSCX dropped -85.26% vs FSELX's -82.54%.

Which has better risk-adjusted returns?

FSELX currently has the higher Sharpe Ratio (5.35 vs 3.79), 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.