NUSIX vs. IGSB

Last updated Jun 23, 2026

NUSIX (Navigator Ultra Short Term Bond Fund) and IGSB (iShares 1-5 Year Investment Grade Corporate Bond ETF) are both funds - NUSIX is a Ultrashort Bond fund managed by Navigator Funds, while IGSB is a Corporate Bonds fund tracking the ICE BofA 1-5 Year US Corporate Index. Over the past 5 years, NUSIX returned 3.70%/yr vs 2.45%/yr for IGSB. At a 0.15 correlation, their price movements are largely independent. NUSIX charges 0.71%/yr vs 0.04%/yr for IGSB.

Performance

NUSIX vs. IGSB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Navigator Ultra Short Term Bond Fund (NUSIX) and iShares 1-5 Year Investment Grade Corporate Bond ETF (IGSB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NUSIX achieves a 1.66% return, which is significantly higher than IGSB's 0.66% return.

NUSIX

• 1D: 0.00%
• 1M: 0.30%
• YTD: 1.66%
• 6M: 1.76%
• 1Y: 4.16%
• 3Y*: 5.01%
• 5Y*: 3.70%
• 10Y*: —

IGSB

• 1D: -0.13%
• 1M: 0.21%
• YTD: 0.66%
• 6M: 0.83%
• 1Y: 4.20%
• 3Y*: 5.68%
• 5Y*: 2.45%
• 10Y*: 2.70%

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

NUSIX vs. IGSB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
NUSIX Navigator Ultra Short Term Bond Fund	1.66%	4.63%	5.54%	5.64%	1.14%	0.36%	1.49%	1.60%
IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF	0.66%	6.96%	4.97%	6.40%	-5.63%	-0.56%	5.37%	3.92%

Correlation

The correlation between NUSIX and IGSB is 0.10, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.10
Correlation (3Y) Calculated over the trailing 3-year period	0.10
Correlation (5Y) Calculated over the trailing 5-year period	0.19
Correlation (All Time) Calculated using the full available price history since May 6, 2019	0.15

Return for Risk

NUSIX vs. IGSB — Risk / Return Rank

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

NUSIX

NUSIX Risk / Return Rank: 100
NUSIX Sharpe Ratio Rank: 100
NUSIX Sortino Ratio Rank: 100
NUSIX Omega Ratio Rank: 100
NUSIX Calmar Ratio Rank: 100
NUSIX Martin Ratio Rank: 100

IGSB

IGSB Risk / Return Rank: 70
IGSB Sharpe Ratio Rank: 69
IGSB Sortino Ratio Rank: 78
IGSB Omega Ratio Rank: 76
IGSB Calmar Ratio Rank: 60
IGSB Martin Ratio Rank: 65

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.

NUSIX vs. IGSB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Navigator Ultra Short Term Bond Fund (NUSIX) and iShares 1-5 Year Investment Grade Corporate Bond ETF (IGSB). 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.

	NUSIX	IGSB	Difference
Sharpe ratio: Return per unit of total volatility	6.80	2.16	+4.64
Sortino ratio: Return per unit of downside risk	28.33	3.31	+25.02
Omega ratio: Gain probability vs. loss probability	18.48	1.43	+17.05
Calmar ratio: Return relative to maximum drawdown	42.21	2.89	+39.32
Martin ratio: Return relative to average drawdown	329.78	11.59	+318.19

NUSIX vs. IGSB - Sharpe Ratio Comparison

The current NUSIX Sharpe Ratio is 6.80, which is higher than the IGSB Sharpe Ratio of 2.16. The chart below compares the historical Sharpe Ratios of NUSIX and IGSB, 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

NUSIX vs. IGSB - Drawdown Comparison

The maximum NUSIX drawdown since its inception was -2.69%, smaller than the maximum IGSB drawdown of -13.38%. Use the drawdown chart below to compare losses from any high point for NUSIX and IGSB.

Drawdown Indicators

	NUSIX	IGSB	Difference
Max Drawdown Largest peak-to-trough decline	-2.69%	-13.38%	+10.69%
Max Drawdown (1Y) Largest decline over 1 year	-0.10%	-1.46%	+1.36%
Max Drawdown (3Y) Largest decline over 3 years	-0.10%	-1.46%	+1.36%
Max Drawdown (5Y) Largest decline over 5 years	-0.80%	-9.46%	+8.66%
Max Drawdown (10Y) Largest decline over 10 years	—	-13.38%	—
Current Drawdown Current decline from peak	0.00%	-0.38%	+0.38%
Average Drawdown Average peak-to-trough decline	-0.08%	-0.85%	+0.77%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.01%	0.36%	-0.35%

Volatility

NUSIX vs. IGSB - Volatility Comparison

The current volatility for Navigator Ultra Short Term Bond Fund (NUSIX) is 0.16%, while iShares 1-5 Year Investment Grade Corporate Bond ETF (IGSB) has a volatility of 0.68%. This indicates that NUSIX experiences smaller price fluctuations and is considered to be less risky than IGSB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NUSIX	IGSB	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.16%	0.68%	-0.52%
Volatility (6M) Calculated over the trailing 6-month period	0.42%	1.50%	-1.08%
Volatility (1Y) Calculated over the trailing 1-year period	0.61%	1.96%	-1.35%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.77%	2.94%	-2.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.83%	3.47%	-2.64%

NUSIX vs. IGSB - Expense Ratio Comparison

NUSIX has a 0.71% expense ratio, which is higher than IGSB's 0.04% expense ratio.

Dividends

NUSIX vs. IGSB - Dividend Comparison

NUSIX's dividend yield for the trailing twelve months is around 4.16%, less than IGSB's 4.58% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF	4.58%	4.44%	4.02%	3.26%	2.07%	1.82%	2.36%	3.06%	2.46%	1.65%	1.45%	1.18%
NUSIX Navigator Ultra Short Term Bond Fund	4.16%	4.25%	5.23%	4.92%	1.74%	0.66%	1.08%	1.99%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both NUSIX and IGSB in my portfolio?

NUSIX and IGSB have a correlation of 0.10, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, NUSIX or IGSB?

IGSB has higher volatility (0.68%) compared to NUSIX (0.16%). In terms of maximum drawdown, NUSIX dropped -2.69% vs IGSB's -13.38%.

Which has better risk-adjusted returns?

NUSIX currently has the higher Sharpe Ratio (6.80 vs 2.16), 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.