JNSTX vs. VIITX

Last updated Jun 4, 2026

JNSTX (Janus Henderson Short Duration Flexible Bond Fund) and VIITX (Vanguard Institutional Intermediate-Term Bond Fund) are both Short-Term Bond funds. Over the past 10 years, JNSTX returned 2.21%/yr vs 2.13%/yr for VIITX. At a 0.47 correlation, their price movements are largely independent. JNSTX charges 0.53%/yr vs 0.02%/yr for VIITX.

Performance

JNSTX vs. VIITX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Janus Henderson Short Duration Flexible Bond Fund (JNSTX) and Vanguard Institutional Intermediate-Term Bond Fund (VIITX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, JNSTX achieves a 1.13% return, which is significantly higher than VIITX's 0.56% return. Both investments have delivered pretty close results over the past 10 years, with JNSTX having a 2.21% annualized return and VIITX not far behind at 2.13%.

JNSTX

• 1D: 0.00%
• 1M: 0.71%
• YTD: 1.13%
• 6M: 1.52%
• 1Y: 4.99%
• 3Y*: 5.20%
• 5Y*: 2.18%
• 10Y*: 2.21%

VIITX

• 1D: 0.05%
• 1M: 0.29%
• YTD: 0.56%
• 6M: 0.76%
• 1Y: 5.12%
• 3Y*: 4.93%
• 5Y*: 1.50%
• 10Y*: 2.13%

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

JNSTX vs. VIITX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
JNSTX Janus Henderson Short Duration Flexible Bond Fund	1.13%	5.89%	5.27%	4.67%	-5.44%	-0.09%	4.81%	4.09%	0.90%	1.28%
VIITX Vanguard Institutional Intermediate-Term Bond Fund	0.56%	7.23%	3.67%	5.31%	-7.99%	-1.02%	6.17%	6.44%	0.87%	2.00%

Correlation

The correlation between JNSTX and VIITX is 0.46, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.46
Correlation (3Y) Calculated over the trailing 3-year period	0.53
Correlation (5Y) Calculated over the trailing 5-year period	0.58
Correlation (10Y) Calculated over the trailing 10-year period	0.48
Correlation (All Time) Calculated using the full available price history since Nov 4, 2015	0.47

The correlation between JNSTX and VIITX shifts across timeframes, from 0.46 (1 year) to 0.58 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

JNSTX vs. VIITX — Risk / Return Rank

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

JNSTX

JNSTX Risk / Return Rank: 68
JNSTX Sharpe Ratio Rank: 38
JNSTX Sortino Ratio Rank: 49
JNSTX Omega Ratio Rank: 87
JNSTX Calmar Ratio Rank: 80
JNSTX Martin Ratio Rank: 85

VIITX

VIITX Risk / Return Rank: 50
VIITX Sharpe Ratio Rank: 50
VIITX Sortino Ratio Rank: 55
VIITX Omega Ratio Rank: 51
VIITX Calmar Ratio Rank: 51
VIITX Martin Ratio Rank: 41

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.

JNSTX vs. VIITX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Janus Henderson Short Duration Flexible Bond Fund (JNSTX) and Vanguard Institutional Intermediate-Term Bond Fund (VIITX). 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.

	JNSTX	VIITX	Difference
Sharpe ratio: Return per unit of total volatility	1.80	2.07	-0.27
Sortino ratio: Return per unit of downside risk	2.97	3.11	-0.14
Omega ratio: Gain probability vs. loss probability	1.62	1.39	+0.22
Calmar ratio: Return relative to maximum drawdown	3.64	2.72	+0.93
Martin ratio: Return relative to average drawdown	16.22	8.89	+7.33
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

JNSTX vs. VIITX - Sharpe Ratio Comparison

The current JNSTX Sharpe Ratio is 1.80, which is comparable to the VIITX Sharpe Ratio of 2.07. The chart below compares the historical Sharpe Ratios of JNSTX and VIITX, 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

	JNSTX	VIITX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.80	2.07	-0.27
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.68	0.39	+0.29
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.79	0.70	+0.10
Sharpe Ratio (All Time) Calculated using the full available price history	0.80	0.76	+0.04

Drawdowns

JNSTX vs. VIITX - Drawdown Comparison

The maximum JNSTX drawdown since its inception was -8.11%, smaller than the maximum VIITX drawdown of -11.86%. Use the drawdown chart below to compare losses from any high point for JNSTX and VIITX.

Drawdown Indicators

	JNSTX	VIITX	Difference
Max Drawdown Largest peak-to-trough decline	-8.11%	-11.86%	+3.75%
Max Drawdown (1Y) Largest decline over 1 year	-1.37%	-1.89%	+0.52%
Max Drawdown (3Y) Largest decline over 3 years	-1.37%	-3.32%	+1.95%
Max Drawdown (5Y) Largest decline over 5 years	-8.11%	-11.86%	+3.75%
Max Drawdown (10Y) Largest decline over 10 years	-8.11%	-11.86%	+3.75%
Current Drawdown Current decline from peak	0.00%	-0.87%	+0.87%
Average Drawdown Average peak-to-trough decline	-0.92%	-2.13%	+1.21%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.31%	0.58%	-0.27%

Volatility

JNSTX vs. VIITX - Volatility Comparison

Janus Henderson Short Duration Flexible Bond Fund (JNSTX) has a higher volatility of 1.07% compared to Vanguard Institutional Intermediate-Term Bond Fund (VIITX) at 0.87%. This indicates that JNSTX's price experiences larger fluctuations and is considered to be riskier than VIITX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	JNSTX	VIITX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.07%	0.87%	+0.20%
Volatility (6M) Calculated over the trailing 6-month period	2.11%	1.84%	+0.27%
Volatility (1Y) Calculated over the trailing 1-year period	2.81%	2.49%	+0.32%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.22%	3.84%	-0.62%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.79%	3.06%	-0.27%

JNSTX vs. VIITX - Expense Ratio Comparison

JNSTX has a 0.53% expense ratio, which is higher than VIITX's 0.02% expense ratio.

Dividends

JNSTX vs. VIITX - Dividend Comparison

JNSTX's dividend yield for the trailing twelve months is around 4.88%, more than VIITX's 4.57% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
JNSTX Janus Henderson Short Duration Flexible Bond Fund	4.88%	4.65%	4.76%	3.12%	1.92%	1.55%	2.05%	2.33%	2.24%	1.61%	1.24%	1.30%
VIITX Vanguard Institutional Intermediate-Term Bond Fund	4.57%	4.51%	4.71%	3.61%	2.14%	2.20%	2.87%	2.69%	2.62%	2.04%	2.95%	0.57%

Frequently Asked Questions

Can I hold both JNSTX and VIITX in my portfolio?

JNSTX and VIITX have a correlation of 0.46, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, JNSTX or VIITX?

JNSTX has higher volatility (1.07%) compared to VIITX (0.87%). In terms of maximum drawdown, JNSTX dropped -8.11% vs VIITX's -11.86%.

Which has better risk-adjusted returns?

VIITX currently has the higher Sharpe Ratio (2.07 vs 1.80), 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.