PAIHX vs. PRSCX

Last updated Jun 23, 2026

PAIHX (T. Rowe Price Global High Income Bond Fund) and PRSCX (T. Rowe Price Science And Technology Fund) are both mutual funds - PAIHX is a High Yield Bonds fund managed by T. Rowe Price, while PRSCX is a Technology Equities fund actively managed by T. Rowe Price. Over the past 10 years, PAIHX returned 5.04%/yr vs 23.39%/yr for PRSCX. At a 0.36 correlation, their price movements are largely independent. PAIHX charges 0.96%/yr vs 0.80%/yr for PRSCX.

Performance

PAIHX vs. PRSCX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price Global High Income Bond Fund (PAIHX) 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, PAIHX achieves a 1.37% return, which is significantly lower than PRSCX's 42.10% return. Over the past 10 years, PAIHX has underperformed PRSCX with an annualized return of 5.04%, while PRSCX has yielded a comparatively higher 23.39% annualized return.

PAIHX

• 1D: 0.00%
• 1M: 0.90%
• YTD: 1.37%
• 6M: 2.21%
• 1Y: 6.89%
• 3Y*: 8.74%
• 5Y*: 3.10%
• 10Y*: 5.04%

PRSCX

• 1D: 4.93%
• 1M: 9.62%
• YTD: 42.10%
• 6M: 40.90%
• 1Y: 79.76%
• 3Y*: 39.17%
• 5Y*: 18.25%
• 10Y*: 23.39%

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

PAIHX vs. PRSCX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PAIHX T. Rowe Price Global High Income Bond Fund	1.37%	9.10%	7.77%	12.51%	-13.33%	2.86%	5.67%	14.47%	-2.07%	8.58%
PRSCX T. Rowe Price Science And Technology Fund	42.10%	24.28%	40.49%	53.77%	-35.40%	5.83%	45.94%	53.80%	-7.52%	39.38%

Correlation

The correlation between PAIHX and PRSCX is 0.44, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.44
Correlation (3Y) Calculated over the trailing 3-year period	0.32
Correlation (5Y) Calculated over the trailing 5-year period	0.35
Correlation (10Y) Calculated over the trailing 10-year period	0.35
Correlation (All Time) Calculated using the full available price history since Jan 4, 2016	0.36

The correlation between PAIHX and PRSCX shifts across timeframes, from 0.32 (3 years) to 0.44 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

PAIHX vs. PRSCX — Risk / Return Rank

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

PAIHX

PAIHX Risk / Return Rank: 69
PAIHX Sharpe Ratio Rank: 73
PAIHX Sortino Ratio Rank: 90
PAIHX Omega Ratio Rank: 86
PAIHX Calmar Ratio Rank: 42
PAIHX Martin Ratio Rank: 56

PRSCX

PRSCX Risk / Return Rank: 87
PRSCX Sharpe Ratio Rank: 94
PRSCX Sortino Ratio Rank: 80
PRSCX Omega Ratio Rank: 80
PRSCX Calmar Ratio Rank: 91
PRSCX Martin Ratio Rank: 89

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.

PAIHX vs. PRSCX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Global High Income Bond Fund (PAIHX) 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.

	PAIHX	PRSCX	Difference
Sharpe ratio: Return per unit of total volatility	2.30	2.97	-0.67
Sortino ratio: Return per unit of downside risk	4.06	3.46	+0.60
Omega ratio: Gain probability vs. loss probability	1.54	1.48	+0.06
Calmar ratio: Return relative to maximum drawdown	2.37	4.56	-2.19
Martin ratio: Return relative to average drawdown	10.57	16.24	-5.66

PAIHX vs. PRSCX - Sharpe Ratio Comparison

The current PAIHX Sharpe Ratio is 2.30, which is comparable to the PRSCX Sharpe Ratio of 2.97. The chart below compares the historical Sharpe Ratios of PAIHX 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

PAIHX vs. PRSCX - Drawdown Comparison

The maximum PAIHX drawdown since its inception was -23.76%, smaller than the maximum PRSCX drawdown of -85.26%. Use the drawdown chart below to compare losses from any high point for PAIHX and PRSCX.

Drawdown Indicators

	PAIHX	PRSCX	Difference
Max Drawdown Largest peak-to-trough decline	-23.76%	-85.26%	+61.50%
Max Drawdown (1Y) Largest decline over 1 year	-2.92%	-17.99%	+15.07%
Max Drawdown (3Y) Largest decline over 3 years	-3.78%	-31.06%	+27.28%
Max Drawdown (5Y) Largest decline over 5 years	-19.47%	-46.19%	+26.72%
Max Drawdown (10Y) Largest decline over 10 years	-23.76%	-46.19%	+22.43%
Current Drawdown Current decline from peak	-0.23%	0.00%	-0.23%
Average Drawdown Average peak-to-trough decline	-3.04%	-29.86%	+26.82%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.65%	4.97%	-4.32%

Volatility

PAIHX vs. PRSCX - Volatility Comparison

The current volatility for T. Rowe Price Global High Income Bond Fund (PAIHX) is 0.87%, while T. Rowe Price Science And Technology Fund (PRSCX) has a volatility of 15.51%. This indicates that PAIHX 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

	PAIHX	PRSCX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.87%	15.51%	-14.64%
Volatility (6M) Calculated over the trailing 6-month period	2.34%	23.90%	-21.56%
Volatility (1Y) Calculated over the trailing 1-year period	3.02%	27.63%	-24.61%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.28%	28.51%	-24.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.28%	25.18%	-19.90%

PAIHX vs. PRSCX - Expense Ratio Comparison

PAIHX has a 0.96% expense ratio, which is higher than PRSCX's 0.80% expense ratio.

Dividends

PAIHX vs. PRSCX - Dividend Comparison

PAIHX's dividend yield for the trailing twelve months is around 6.46%, less than PRSCX's 8.11% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PAIHX T. Rowe Price Global High Income Bond Fund	6.46%	6.34%	5.90%	5.25%	8.37%	5.19%	5.16%	5.96%	7.12%	6.07%	6.02%	0.00%
PRSCX T. Rowe Price Science And Technology Fund	8.11%	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 PAIHX and PRSCX in my portfolio?

PAIHX and PRSCX have a correlation of 0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PAIHX or PRSCX?

PRSCX has higher volatility (15.51%) compared to PAIHX (0.87%). In terms of maximum drawdown, PAIHX dropped -23.76% vs PRSCX's -85.26%.

Which has better risk-adjusted returns?

PRSCX currently has the higher Sharpe Ratio (2.97 vs 2.30), 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.