NJTFX vs. WEEK

Last updated Jun 4, 2026

NJTFX (T. Rowe Price New Jersey Tax Free Bond Fund) and WEEK (Roundhill Weekly T-Bill ETF) are both funds - NJTFX is a Municipal Bonds fund managed by T. Rowe Price, while WEEK is a Ultrashort Bond fund actively managed by Roundhill. Over the past year, NJTFX returned 9.51% vs 3.81% for WEEK. At a correlation of -0.01, they often move in opposite directions. NJTFX charges 0.56%/yr vs 0.19%/yr for WEEK.

Performance

NJTFX vs. WEEK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price New Jersey Tax Free Bond Fund (NJTFX) and Roundhill Weekly T-Bill ETF (WEEK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NJTFX achieves a 1.94% return, which is significantly higher than WEEK's 1.44% return.

NJTFX

• 1D: 0.17%
• 1M: 0.73%
• YTD: 1.94%
• 6M: 2.72%
• 1Y: 9.51%
• 3Y*: 4.92%
• 5Y*: 1.57%
• 10Y*: 2.49%

WEEK

• 1D: 0.02%
• 1M: 0.28%
• YTD: 1.44%
• 6M: 1.74%
• 1Y: 3.81%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

NJTFX vs. WEEK - Yearly Performance Comparison

	2026 (YTD)	2025
NJTFX T. Rowe Price New Jersey Tax Free Bond Fund	1.94%	4.43%
WEEK Roundhill Weekly T-Bill ETF	1.44%	3.37%

Correlation

The correlation between NJTFX and WEEK is -0.03, 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	-0.03
Correlation (All Time) Calculated using the full available price history since Mar 7, 2025	-0.01

Return for Risk

NJTFX vs. WEEK — Risk / Return Rank

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

NJTFX

NJTFX Risk / Return Rank: 88
NJTFX Sharpe Ratio Rank: 96
NJTFX Sortino Ratio Rank: 97
NJTFX Omega Ratio Rank: 97
NJTFX Calmar Ratio Rank: 80
NJTFX Martin Ratio Rank: 72

WEEK

WEEK Risk / Return Rank: 99
WEEK Sharpe Ratio Rank: 99
WEEK Sortino Ratio Rank: 99
WEEK Omega Ratio Rank: 99
WEEK Calmar Ratio Rank: 99
WEEK 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.

NJTFX vs. WEEK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price New Jersey Tax Free Bond Fund (NJTFX) and Roundhill Weekly T-Bill ETF (WEEK). 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.

	NJTFX	WEEK	Difference
Sharpe ratio Return per unit of total volatility	3.50	9.29	-5.79
Sortino ratio Return per unit of downside risk	5.65	19.14	-13.49
Omega ratio Gain probability vs. loss probability	1.92	4.65	-2.74
Calmar ratio Return relative to maximum drawdown	3.64	29.49	-25.84
Martin ratio Return relative to average drawdown	13.78	263.82	-250.04
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NJTFX vs. WEEK - Sharpe Ratio Comparison

The current NJTFX Sharpe Ratio is 3.50, which is lower than the WEEK Sharpe Ratio of 9.29. The chart below compares the historical Sharpe Ratios of NJTFX and WEEK, 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

	NJTFX	WEEK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.50	9.29	-5.79
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.40	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.64	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.27	10.05	-8.78

Drawdowns

NJTFX vs. WEEK - Drawdown Comparison

The maximum NJTFX drawdown since its inception was -15.19%, which is greater than WEEK's maximum drawdown of -0.13%. Use the drawdown chart below to compare losses from any high point for NJTFX and WEEK.

Drawdown Indicators

	NJTFX	WEEK	Difference
Max Drawdown Largest peak-to-trough decline	-15.19%	-0.13%	-15.06%
Max Drawdown (1Y) Largest decline over 1 year	-2.59%	-0.13%	-2.46%
Max Drawdown (3Y) Largest decline over 3 years	-5.69%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-15.19%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-15.19%	—	—
Current Drawdown Current decline from peak	-0.01%	0.00%	-0.01%
Average Drawdown Average peak-to-trough decline	-1.81%	-0.01%	-1.80%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.68%	0.01%	+0.67%

Volatility

NJTFX vs. WEEK - Volatility Comparison

T. Rowe Price New Jersey Tax Free Bond Fund (NJTFX) has a higher volatility of 1.06% compared to Roundhill Weekly T-Bill ETF (WEEK) at 0.07%. This indicates that NJTFX's price experiences larger fluctuations and is considered to be riskier than WEEK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NJTFX	WEEK	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.06%	0.07%	+0.99%
Volatility (6M) Calculated over the trailing 6-month period	1.98%	0.25%	+1.73%
Volatility (1Y) Calculated over the trailing 1-year period	2.72%	0.41%	+2.31%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.99%	0.39%	+3.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.87%	0.39%	+3.48%

NJTFX vs. WEEK - Expense Ratio Comparison

NJTFX has a 0.56% expense ratio, which is higher than WEEK's 0.19% expense ratio.

Dividends

NJTFX vs. WEEK - Dividend Comparison

NJTFX's dividend yield for the trailing twelve months is around 4.45%, more than WEEK's 3.72% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NJTFX T. Rowe Price New Jersey Tax Free Bond Fund	4.45%	4.44%	4.27%	3.27%	2.03%	2.56%	2.79%	2.84%	3.13%	3.13%	3.26%	3.36%
WEEK Roundhill Weekly T-Bill ETF	3.72%	3.27%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both NJTFX and WEEK in my portfolio?

NJTFX and WEEK have a correlation of -0.03, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, NJTFX or WEEK?

NJTFX has higher volatility (1.06%) compared to WEEK (0.07%). In terms of maximum drawdown, NJTFX dropped -15.19% vs WEEK's -0.13%.

Which has better risk-adjusted returns?

WEEK currently has the higher Sharpe Ratio (9.29 vs 3.50), 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.