IG vs. USIG

Last updated Jun 4, 2026

IG (Principal Investment Grade Corporate Active ETF) and USIG (iShares Broad USD Investment Grade Corporate Bond ETF) are both Corporate Bonds funds. IG is actively managed, while USIG is passively managed. Their correlation of 0.94 suggests significant overlap in exposure. IG charges 0.26%/yr vs 0.04%/yr for USIG.

Performance

IG vs. USIG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Principal Investment Grade Corporate Active ETF (IG) and iShares Broad USD Investment Grade Corporate Bond ETF (USIG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

IG

• 1D: -0.23%
• 1M: 0.57%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

USIG

• 1D: -0.23%
• 1M: 0.56%
• YTD: 0.56%
• 6M: 0.37%
• 1Y: 6.04%
• 3Y*: 5.46%
• 5Y*: 0.72%
• 10Y*: 2.63%

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

IG vs. USIG - Yearly Performance Comparison

	2026 (YTD)
IG Principal Investment Grade Corporate Active ETF	-0.22%
USIG iShares Broad USD Investment Grade Corporate Bond ETF	-0.19%

Correlation

The correlation between IG and USIG is 0.94, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (All Time) Calculated using the full available price history since Apr 23, 2026	0.94

Return for Risk

IG vs. USIG — Risk / Return Rank

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

USIG

USIG Risk / Return Rank: 42
USIG Sharpe Ratio Rank: 41
USIG Sortino Ratio Rank: 42
USIG Omega Ratio Rank: 39
USIG Calmar Ratio Rank: 44
USIG Martin Ratio Rank: 43

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.

IG vs. USIG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Principal Investment Grade Corporate Active ETF (IG) and iShares Broad USD Investment Grade Corporate Bond ETF (USIG). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	IG	USIG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	1.47	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.11	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.39	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.40	0.54	-0.94

Drawdowns

IG vs. USIG - Drawdown Comparison

The maximum IG drawdown since its inception was -1.75%, smaller than the maximum USIG drawdown of -22.21%. Use the drawdown chart below to compare losses from any high point for IG and USIG.

Drawdown Indicators

	IG	USIG	Difference
Max Drawdown Largest peak-to-trough decline	-1.75%	-22.21%	+20.46%
Max Drawdown (1Y) Largest decline over 1 year	—	-2.79%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-6.10%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-21.45%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-21.45%	—
Current Drawdown Current decline from peak	-0.32%	-0.97%	+0.65%
Average Drawdown Average peak-to-trough decline	-0.53%	-3.42%	+2.89%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.86%	—

Volatility

Volatility by Period

	IG	USIG	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	1.27%	—
Volatility (6M) Calculated over the trailing 6-month period	—	3.04%	—
Volatility (1Y) Calculated over the trailing 1-year period	4.90%	4.13%	+0.77%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.90%	6.82%	-1.92%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.90%	6.82%	-1.92%

IG vs. USIG - Expense Ratio Comparison

IG has a 0.26% expense ratio, which is higher than USIG's 0.04% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

IG vs. USIG - Dividend Comparison

IG's dividend yield for the trailing twelve months is around 0.84%, less than USIG's 4.74% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IG Principal Investment Grade Corporate Active ETF	0.84%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
USIG iShares Broad USD Investment Grade Corporate Bond ETF	4.74%	4.62%	4.51%	3.94%	3.14%	2.33%	2.82%	3.37%	3.44%	3.03%	2.87%	3.24%

Frequently Asked Questions

Can I hold both IG and USIG in my portfolio?

With a correlation of 0.94, IG and USIG move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which ETF is better, IG or USIG?

On fees, USIG is cheaper at 0.04% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, IG or USIG?

USIG is cheaper with a 0.04% expense ratio, compared with 0.26% for IG.

Which ETF pays a higher dividend yield, IG or USIG?

USIG has the higher dividend yield at 4.74%, compared with 0.84% for IG.

What is the main difference between IG and USIG?

They also come from different issuers: Principal and iShares. Their fees differ too: 0.26% for IG and 0.04% for USIG.