PRSCX vs. TRSTX

Last updated Jun 4, 2026

PRSCX (T. Rowe Price Science And Technology Fund) and TRSTX (T. Rowe Price Ultra Short-Term Bond Fund Class I) are both mutual funds - PRSCX is a Technology Equities fund managed by T. Rowe Price, while TRSTX is a Ultrashort Bond fund actively managed by T. Rowe Price. Over the past 5 years, PRSCX returned 18.72%/yr vs 3.55%/yr for TRSTX. At a 0.02 correlation, their price movements are largely independent. PRSCX charges 0.84%/yr vs 0.20%/yr for TRSTX.

Performance

PRSCX vs. TRSTX - 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 Ultra Short-Term Bond Fund Class I (TRSTX). 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 higher than TRSTX's 1.64% 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%

TRSTX

• 1D: 0.00%
• 1M: 0.37%
• YTD: 1.64%
• 6M: 2.04%
• 1Y: 4.70%
• 3Y*: 5.74%
• 5Y*: 3.55%
• 10Y*: —

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

PRSCX vs. TRSTX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
PRSCX T. Rowe Price Science And Technology Fund	41.41%	24.28%	40.49%	53.77%	-35.40%	5.83%	45.94%	53.80%	-12.14%
TRSTX T. Rowe Price Ultra Short-Term Bond Fund Class I	1.64%	5.34%	6.41%	5.89%	-1.20%	0.29%	3.19%	3.65%	1.60%

Correlation

The correlation between PRSCX and TRSTX is -0.02, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.02
Correlation (3Y) Calculated over the trailing 3-year period	0.03
Correlation (5Y) Calculated over the trailing 5-year period	0.04
Correlation (All Time) Calculated using the full available price history since May 1, 2018	0.02

Return for Risk

PRSCX vs. TRSTX — 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

TRSTX

TRSTX Risk / Return Rank: 98
TRSTX Sharpe Ratio Rank: 92
TRSTX Sortino Ratio Rank: 99
TRSTX Omega Ratio Rank: 100
TRSTX Calmar Ratio Rank: 100
TRSTX 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. TRSTX - 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 Ultra Short-Term Bond Fund Class I (TRSTX). 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	TRSTX	Difference
Sharpe ratio: Return per unit of total volatility	3.79	3.15	+0.64
Sortino ratio: Return per unit of downside risk	4.40	9.73	-5.33
Omega ratio: Gain probability vs. loss probability	1.59	4.91	-3.32
Calmar ratio: Return relative to maximum drawdown	5.02	24.71	-19.69
Martin ratio: Return relative to average drawdown	18.70	55.77	-37.07
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. TRSTX - Sharpe Ratio Comparison

The current PRSCX Sharpe Ratio is 3.79, which is comparable to the TRSTX Sharpe Ratio of 3.15. The chart below compares the historical Sharpe Ratios of PRSCX and TRSTX, 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	TRSTX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.79	3.15	+0.64
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.68	2.17	-1.49
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.96	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.52	2.03	-1.51

Drawdowns

PRSCX vs. TRSTX - Drawdown Comparison

The maximum PRSCX drawdown since its inception was -85.26%, which is greater than TRSTX's maximum drawdown of -4.34%. Use the drawdown chart below to compare losses from any high point for PRSCX and TRSTX.

Drawdown Indicators

	PRSCX	TRSTX	Difference
Max Drawdown Largest peak-to-trough decline	-85.26%	-4.34%	-80.92%
Max Drawdown (1Y) Largest decline over 1 year	-17.99%	-0.20%	-17.79%
Max Drawdown (3Y) Largest decline over 3 years	-31.06%	-0.59%	-30.47%
Max Drawdown (5Y) Largest decline over 5 years	-46.19%	-2.58%	-43.61%
Max Drawdown (10Y) Largest decline over 10 years	-46.19%	—	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-29.89%	-0.30%	-29.59%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.75%	0.09%	+4.66%

Volatility

PRSCX vs. TRSTX - Volatility Comparison

T. Rowe Price Science And Technology Fund (PRSCX) has a higher volatility of 9.43% compared to T. Rowe Price Ultra Short-Term Bond Fund Class I (TRSTX) at 0.37%. This indicates that PRSCX's price experiences larger fluctuations and is considered to be riskier than TRSTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PRSCX	TRSTX	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.43%	0.37%	+9.06%
Volatility (6M) Calculated over the trailing 6-month period	19.91%	1.19%	+18.72%
Volatility (1Y) Calculated over the trailing 1-year period	23.82%	1.54%	+22.28%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.82%	1.66%	+26.16%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.81%	1.63%	+23.18%

PRSCX vs. TRSTX - Expense Ratio Comparison

PRSCX has a 0.84% expense ratio, which is higher than TRSTX's 0.20% expense ratio.

Dividends

PRSCX vs. TRSTX - Dividend Comparison

PRSCX's dividend yield for the trailing twelve months is around 8.15%, more than TRSTX's 4.59% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
TRSTX T. Rowe Price Ultra Short-Term Bond Fund Class I	4.59%	4.79%	5.19%	3.46%	1.61%	1.28%	1.94%	2.78%	1.98%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both PRSCX and TRSTX in my portfolio?

PRSCX and TRSTX have a correlation of -0.02, 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 TRSTX?

PRSCX has higher volatility (9.43%) compared to TRSTX (0.37%). In terms of maximum drawdown, PRSCX dropped -85.26% vs TRSTX's -4.34%.

Which has better risk-adjusted returns?

PRSCX currently has the higher Sharpe Ratio (3.79 vs 3.15), 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.