PortfoliosLab logoPortfoliosLab logo
PRSCX vs. PRMTX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

Performance

PRSCX vs. PRMTX - Performance Comparison

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

Loading charts...

Returns By Period

In the year-to-date period, PRSCX achieves a 34.24% return, which is significantly higher than PRMTX's -1.65% return. Over the past 10 years, PRSCX has outperformed PRMTX with an annualized return of 22.88%, while PRMTX has yielded a comparatively lower 15.30% annualized return.


PRSCX

1D
-7.38%
1M
3.56%
YTD
34.24%
6M
32.16%
1Y
64.32%
3Y*
37.75%
5Y*
16.55%
10Y*
22.88%

PRMTX

1D
-1.83%
1M
-3.57%
YTD
-1.65%
6M
-2.41%
1Y
-3.91%
3Y*
21.22%
5Y*
4.80%
10Y*
15.30%
*Multi-year figures are annualized to reflect compound growth (CAGR)

PRSCX vs. PRMTX - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
PRSCX
T. Rowe Price Science And Technology Fund
34.24%24.28%40.49%53.77%-35.40%5.83%45.94%53.80%-7.52%39.38%
PRMTX
T. Rowe Price Communications & Technology Fund
-1.65%6.86%48.75%39.30%-40.90%9.81%53.69%35.69%-1.85%33.00%

Correlation

The correlation between PRSCX and PRMTX is 0.65, 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

0.65

Correlation (3Y)
Calculated over the trailing 3-year period

0.81

Correlation (5Y)
Calculated over the trailing 5-year period

0.87

Correlation (10Y)
Calculated over the trailing 10-year period

0.87

Correlation (All Time)
Calculated using the full available price history since Jan 7, 1994

0.80

The correlation between PRSCX and PRMTX shifts across timeframes, from 0.65 (1 year) to 0.87 (5 years), reflecting how their relationship changes across market environments.

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


Return for Risk

PRSCX vs. PRMTX — Risk / Return Rank

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

PRSCX
PRSCX Risk / Return Rank: 7575
Overall Rank
PRSCX Sharpe Ratio Rank: 8282
Sharpe Ratio Rank
PRSCX Sortino Ratio Rank: 5757
Sortino Ratio Rank
PRSCX Omega Ratio Rank: 6767
Omega Ratio Rank
PRSCX Calmar Ratio Rank: 8686
Calmar Ratio Rank
PRSCX Martin Ratio Rank: 8080
Martin Ratio Rank

PRMTX
PRMTX Risk / Return Rank: 22
Overall Rank
PRMTX Sharpe Ratio Rank: 22
Sharpe Ratio Rank
PRMTX Sortino Ratio Rank: 22
Sortino Ratio Rank
PRMTX Omega Ratio Rank: 22
Omega Ratio Rank
PRMTX Calmar Ratio Rank: 22
Calmar Ratio Rank
PRMTX Martin Ratio Rank: 22
Martin Ratio Rank
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. PRMTX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Science And Technology Fund (PRSCX) and T. Rowe Price Communications & Technology Fund (PRMTX). 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.


PRSCXPRMTXDifference
Sharpe ratioReturn per unit of total volatility

+2.61

Sortino ratioReturn per unit of downside risk

+2.99

Omega ratioGain probability vs. loss probability

1.41

0.99

+0.42

Calmar ratioReturn relative to maximum drawdown

3.94

-0.13

+4.06

Martin ratioReturn relative to average drawdown

13.96

-0.30

+14.26

PRSCX vs. PRMTX - Sharpe Ratio Comparison

The current PRSCX Sharpe Ratio is 2.46, which is higher than the PRMTX Sharpe Ratio of -0.14. The chart below compares the historical Sharpe Ratios of PRSCX and PRMTX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.


Loading charts...

Drawdowns

PRSCX vs. PRMTX - Drawdown Comparison

The maximum PRSCX drawdown since its inception was -85.26%, which is greater than PRMTX's maximum drawdown of -66.30%. Use the drawdown chart below to compare losses from any high point for PRSCX and PRMTX.


Loading charts...

Drawdown Indicators


PRSCXPRMTXDifference

Max Drawdown

Largest peak-to-trough decline

-85.26%

-66.30%

-18.96%

Max Drawdown (1Y)

Largest decline over 1 year

-17.99%

-17.29%

-0.70%

Max Drawdown (3Y)

Largest decline over 3 years

-31.06%

-20.69%

-10.37%

Max Drawdown (5Y)

Largest decline over 5 years

-46.19%

-47.17%

+0.98%

Max Drawdown (10Y)

Largest decline over 10 years

-46.19%

-47.17%

+0.98%

Current Drawdown

Current decline from peak

-7.38%

-9.41%

+2.03%

Average Drawdown

Average peak-to-trough decline

-29.85%

-13.94%

-15.91%

Ulcer Index

Depth and duration of drawdowns from previous peaks

4.99%

7.41%

-2.42%

Volatility

PRSCX vs. PRMTX - Volatility Comparison

T. Rowe Price Science And Technology Fund (PRSCX) has a higher volatility of 17.47% compared to T. Rowe Price Communications & Technology Fund (PRMTX) at 6.83%. This indicates that PRSCX's price experiences larger fluctuations and is considered to be riskier than PRMTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


Loading charts...

Volatility by Period


PRSCXPRMTXDifference

Volatility (1M)

Calculated over the trailing 1-month period

17.47%

6.83%

+10.64%

Volatility (6M)

Calculated over the trailing 6-month period

25.24%

12.45%

+12.79%

Volatility (1Y)

Calculated over the trailing 1-year period

28.73%

15.71%

+13.02%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

28.73%

21.69%

+7.04%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

25.27%

20.94%

+4.33%

PRSCX vs. PRMTX - Expense Ratio Comparison

PRSCX has a 0.80% expense ratio, which is higher than PRMTX's 0.77% expense ratio.


Dividends

PRSCX vs. PRMTX - Dividend Comparison

PRSCX's dividend yield for the trailing twelve months is around 8.59%, less than PRMTX's 25.65% yield.


PositionTTM20252024202320222021202020192018201720162015
PRMTX
T. Rowe Price Communications & Technology Fund
25.65%25.23%14.78%7.74%17.50%8.35%5.29%2.45%1.28%2.35%2.24%3.20%
PRSCX
T. Rowe Price Science And Technology Fund
8.59%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


PRSCX and PRMTX have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

PRSCX has higher volatility (17.47%) compared to PRMTX (6.83%). In terms of maximum drawdown, PRSCX dropped -85.26% vs PRMTX's -66.30%.

PRSCX currently has the higher Sharpe Ratio (2.46 vs -0.14), 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.

Portfolio Optimizer

Find the right allocation for PRSCX and PRMTX

Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

Open Portfolio Optimizer