IBDS vs. IGCB

Last updated Jun 4, 2026

IBDS (iShares iBonds Dec 2027 Term Corporate ETF) and IGCB (TCW Corporate Bond ETF) are both Corporate Bonds funds - IBDS tracks the Bloomberg Barclays December 2027 Maturity Corporate Index while IGCB tracks the Actively Managed. Both are passively managed. Over the past year, IBDS returned 4.57% vs 5.37% for IGCB. A 0.58 correlation means they provide meaningful diversification when combined. IBDS charges 0.10%/yr vs 0.35%/yr for IGCB.

Performance

IBDS vs. IGCB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares iBonds Dec 2027 Term Corporate ETF (IBDS) and TCW Corporate Bond ETF (IGCB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IBDS achieves a 1.23% return, which is significantly higher than IGCB's 0.08% return.

IBDS

• 1D: -0.04%
• 1M: 0.31%
• YTD: 1.23%
• 6M: 1.61%
• 1Y: 4.57%
• 3Y*: 5.28%
• 5Y*: 1.45%
• 10Y*: —

IGCB

• 1D: -0.30%
• 1M: 0.37%
• YTD: 0.08%
• 6M: -0.02%
• 1Y: 5.37%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

IBDS vs. IGCB - Yearly Performance Comparison

	2026 (YTD)	2025	2024
IBDS iShares iBonds Dec 2027 Term Corporate ETF	1.23%	5.86%	0.49%
IGCB TCW Corporate Bond ETF	0.08%	8.42%	-0.39%

Correlation

The correlation between IBDS and IGCB is 0.59, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.59
Correlation (All Time) Calculated using the full available price history since Nov 19, 2024	0.58

The correlation between IBDS and IGCB has been stable across timeframes, ranging from 0.58 to 0.59 - a consistent structural relationship.

Return for Risk

IBDS vs. IGCB — Risk / Return Rank

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

IBDS

IBDS Risk / Return Rank: 97
IBDS Sharpe Ratio Rank: 96
IBDS Sortino Ratio Rank: 98
IBDS Omega Ratio Rank: 98
IBDS Calmar Ratio Rank: 97
IBDS Martin Ratio Rank: 97

IGCB

IGCB Risk / Return Rank: 38
IGCB Sharpe Ratio Rank: 39
IGCB Sortino Ratio Rank: 38
IGCB Omega Ratio Rank: 38
IGCB Calmar Ratio Rank: 38
IGCB Martin Ratio Rank: 37

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.

IBDS vs. IGCB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2027 Term Corporate ETF (IBDS) and TCW Corporate Bond ETF (IGCB). 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.

	IBDS	IGCB	Difference
Sharpe ratio: Return per unit of total volatility	4.19	1.38	+2.81
Sortino ratio: Return per unit of downside risk	8.04	1.96	+6.08
Omega ratio: Gain probability vs. loss probability	2.09	1.25	+0.84
Calmar ratio: Return relative to maximum drawdown	10.55	1.85	+8.70
Martin ratio: Return relative to average drawdown	48.73	5.69	+43.04
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IBDS vs. IGCB - Sharpe Ratio Comparison

The current IBDS Sharpe Ratio is 4.19, which is higher than the IGCB Sharpe Ratio of 1.38. The chart below compares the historical Sharpe Ratios of IBDS and IGCB, 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

	IBDS	IGCB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	4.19	1.38	+2.81
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.35	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.57	1.09	-0.52

Drawdowns

IBDS vs. IGCB - Drawdown Comparison

The maximum IBDS drawdown since its inception was -16.75%, which is greater than IGCB's maximum drawdown of -4.20%. Use the drawdown chart below to compare losses from any high point for IBDS and IGCB.

Drawdown Indicators

	IBDS	IGCB	Difference
Max Drawdown Largest peak-to-trough decline	-16.75%	-4.20%	-12.55%
Max Drawdown (1Y) Largest decline over 1 year	-0.43%	-2.91%	+2.48%
Max Drawdown (3Y) Largest decline over 3 years	-2.27%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-14.98%	—	—
Current Drawdown Current decline from peak	-0.06%	-1.31%	+1.25%
Average Drawdown Average peak-to-trough decline	-3.36%	-0.93%	-2.43%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.09%	0.95%	-0.86%

Volatility

IBDS vs. IGCB - Volatility Comparison

The current volatility for iShares iBonds Dec 2027 Term Corporate ETF (IBDS) is 0.15%, while TCW Corporate Bond ETF (IGCB) has a volatility of 1.35%. This indicates that IBDS experiences smaller price fluctuations and is considered to be less risky than IGCB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IBDS	IGCB	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.15%	1.35%	-1.20%
Volatility (6M) Calculated over the trailing 6-month period	0.64%	2.78%	-2.14%
Volatility (1Y) Calculated over the trailing 1-year period	1.10%	3.92%	-2.82%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.18%	4.82%	-0.64%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.55%	4.82%	+0.73%

IBDS vs. IGCB - Expense Ratio Comparison

IBDS has a 0.10% expense ratio, which is lower than IGCB's 0.35% expense ratio.

Dividends

IBDS vs. IGCB - Dividend Comparison

IBDS's dividend yield for the trailing twelve months is around 4.32%, less than IGCB's 4.75% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
IBDS iShares iBonds Dec 2027 Term Corporate ETF	4.32%	4.36%	4.37%	3.81%	2.87%	2.19%	2.66%	3.32%	3.66%	0.97%
IGCB TCW Corporate Bond ETF	4.75%	4.52%	0.66%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both IBDS and IGCB in my portfolio?

IBDS and IGCB have a correlation of 0.59, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IBDS or IGCB?

IGCB has higher volatility (1.35%) compared to IBDS (0.15%). In terms of maximum drawdown, IBDS dropped -16.75% vs IGCB's -4.20%.

Which ETF is better, IBDS or IGCB?

On 1-year performance, IGCB leads with 5.37% vs 4.57% for IBDS. On fees, IBDS is cheaper at 0.10% per year. On volatility, IBDS has been the lower-risk option at 0.15%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IBDS or IGCB?

Over the 1-year period, IGCB has performed better with a 5.37% return vs 4.57%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IBDS or IGCB?

IBDS is cheaper with a 0.10% expense ratio, compared with 0.35% for IGCB.

Which ETF pays a higher dividend yield, IBDS or IGCB?

IGCB has the higher dividend yield at 4.75%, compared with 4.32% for IBDS.

What is the main difference between IBDS and IGCB?

IBDS tracks Bloomberg Barclays December 2027 Maturity Corporate Index, while IGCB tracks Actively Managed. They also come from different issuers: iShares and TCW. Their fees differ too: 0.10% for IBDS and 0.35% for IGCB.

Which has better risk-adjusted returns?

IBDS currently has the higher Sharpe Ratio (4.19 vs 1.38), 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.