QDIBX vs. PRSCX

Last updated Jun 24, 2026

QDIBX (Fisher Investments Institutional Group Fixed Income Fund for Retirement Plans) and PRSCX (T. Rowe Price Science And Technology Fund) are both mutual funds - QDIBX is a Intermediate Core Bond fund managed by T. Rowe Price, while PRSCX is a Technology Equities fund actively managed by T. Rowe Price. Over the past 5 years, QDIBX returned 0.03%/yr vs 18.56%/yr for PRSCX. At a 0.14 correlation, their price movements are largely independent. QDIBX charges 0.03%/yr vs 0.80%/yr for PRSCX.

Performance

QDIBX vs. PRSCX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fisher Investments Institutional Group Fixed Income Fund for Retirement Plans (QDIBX) and T. Rowe Price Science And Technology Fund (PRSCX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, QDIBX achieves a -0.22% return, which is significantly lower than PRSCX's 44.94% return.

QDIBX

• 1D: -0.34%
• 1M: 0.45%
• YTD: -0.22%
• 6M: -0.00%
• 1Y: 3.61%
• 3Y*: 4.36%
• 5Y*: 0.03%
• 10Y*: —

PRSCX

• 1D: 2.00%
• 1M: 11.82%
• YTD: 44.94%
• 6M: 43.01%
• 1Y: 81.29%
• 3Y*: 41.32%
• 5Y*: 18.56%
• 10Y*: 23.83%

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

QDIBX vs. PRSCX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
QDIBX Fisher Investments Institutional Group Fixed Income Fund for Retirement Plans	-0.22%	7.72%	1.66%	6.71%	-14.11%	-0.17%	6.77%	-0.10%
PRSCX T. Rowe Price Science And Technology Fund	44.94%	24.28%	40.49%	53.77%	-35.40%	5.83%	45.94%	9.20%

Correlation

The correlation between QDIBX and PRSCX is 0.14, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.14
Correlation (3Y) Calculated over the trailing 3-year period	0.10
Correlation (5Y) Calculated over the trailing 5-year period	0.11
Correlation (All Time) Calculated using the full available price history since Dec 13, 2019	0.14

Return for Risk

QDIBX vs. PRSCX — Risk / Return Rank

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

QDIBX

QDIBX Risk / Return Rank: 15
QDIBX Sharpe Ratio Rank: 16
QDIBX Sortino Ratio Rank: 16
QDIBX Omega Ratio Rank: 14
QDIBX Calmar Ratio Rank: 15
QDIBX Martin Ratio Rank: 14

PRSCX

PRSCX Risk / Return Rank: 89
PRSCX Sharpe Ratio Rank: 96
PRSCX Sortino Ratio Rank: 83
PRSCX Omega Ratio Rank: 83
PRSCX Calmar Ratio Rank: 93
PRSCX Martin Ratio Rank: 92

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.

QDIBX vs. PRSCX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fisher Investments Institutional Group Fixed Income Fund for Retirement Plans (QDIBX) and T. Rowe Price Science And Technology Fund (PRSCX). 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.

	QDIBX	PRSCX	Difference
Sharpe ratio: Return per unit of total volatility	1.03	3.15	-2.11
Sortino ratio: Return per unit of downside risk	1.55	3.61	-2.07
Omega ratio: Gain probability vs. loss probability	1.18	1.51	-0.32
Calmar ratio: Return relative to maximum drawdown	1.30	4.84	-3.54
Martin ratio: Return relative to average drawdown	3.62	17.24	-13.62

QDIBX vs. PRSCX - Sharpe Ratio Comparison

The current QDIBX Sharpe Ratio is 1.03, which is lower than the PRSCX Sharpe Ratio of 3.15. The chart below compares the historical Sharpe Ratios of QDIBX and PRSCX, 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

QDIBX vs. PRSCX - Drawdown Comparison

The maximum QDIBX drawdown since its inception was -19.63%, smaller than the maximum PRSCX drawdown of -85.26%. Use the drawdown chart below to compare losses from any high point for QDIBX and PRSCX.

Drawdown Indicators

	QDIBX	PRSCX	Difference
Max Drawdown Largest peak-to-trough decline	-19.63%	-85.26%	+65.63%
Max Drawdown (1Y) Largest decline over 1 year	-2.97%	-17.99%	+15.02%
Max Drawdown (3Y) Largest decline over 3 years	-5.37%	-31.06%	+25.69%
Max Drawdown (5Y) Largest decline over 5 years	-19.63%	-46.19%	+26.56%
Max Drawdown (10Y) Largest decline over 10 years	—	-46.19%	—
Current Drawdown Current decline from peak	-1.98%	0.00%	-1.98%
Average Drawdown Average peak-to-trough decline	-6.35%	-29.85%	+23.50%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.06%	4.97%	-3.91%

Volatility

QDIBX vs. PRSCX - Volatility Comparison

The current volatility for Fisher Investments Institutional Group Fixed Income Fund for Retirement Plans (QDIBX) is 0.94%, while T. Rowe Price Science And Technology Fund (PRSCX) has a volatility of 15.43%. This indicates that QDIBX experiences smaller price fluctuations and is considered to be less risky than PRSCX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	QDIBX	PRSCX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.94%	15.43%	-14.49%
Volatility (6M) Calculated over the trailing 6-month period	2.67%	23.96%	-21.29%
Volatility (1Y) Calculated over the trailing 1-year period	3.75%	27.72%	-23.97%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.59%	28.53%	-21.94%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.25%	25.19%	-18.94%

QDIBX vs. PRSCX - Expense Ratio Comparison

QDIBX has a 0.03% expense ratio, which is lower than PRSCX's 0.80% expense ratio.

Dividends

QDIBX vs. PRSCX - Dividend Comparison

QDIBX's dividend yield for the trailing twelve months is around 3.51%, less than PRSCX's 7.95% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PRSCX T. Rowe Price Science And Technology Fund	7.95%	11.53%	9.43%	0.00%	7.83%	33.69%	13.90%	10.91%	36.03%	13.21%	3.68%	18.51%
QDIBX Fisher Investments Institutional Group Fixed Income Fund for Retirement Plans	3.51%	3.50%	3.55%	3.65%	2.51%	1.80%	3.25%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both QDIBX and PRSCX in my portfolio?

QDIBX and PRSCX have a correlation of 0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, QDIBX or PRSCX?

PRSCX has higher volatility (15.43%) compared to QDIBX (0.94%). In terms of maximum drawdown, QDIBX dropped -19.63% vs PRSCX's -85.26%.

Which has better risk-adjusted returns?

PRSCX currently has the higher Sharpe Ratio (3.15 vs 1.03), 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.