IBDO vs. IWM

Last updated Jun 4, 2026

IBDO (iShares iBonds Dec 2023 Term Corporate ETF) and IWM (iShares Russell 2000 ETF) are both exchange-traded funds - IBDO is a Corporate Bonds fund tracking the Bloomberg December 2023 Maturity Corporate Index, while IWM is a Small Cap Blend Equities fund tracking the Russell 2000 Index. Both are passively managed. At a correlation of -0.04, they often move in opposite directions. IBDO charges 0.10%/yr vs 0.19%/yr for IWM.

Performance

IBDO vs. IWM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares iBonds Dec 2023 Term Corporate ETF (IBDO) and iShares Russell 2000 ETF (IWM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

IBDO

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

IWM

• 1D: -1.37%
• 1M: 3.52%
• YTD: 17.07%
• 6M: 15.83%
• 1Y: 39.10%
• 3Y*: 17.88%
• 5Y*: 6.11%
• 10Y*: 10.93%

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

IBDO vs. IWM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IBDO iShares iBonds Dec 2023 Term Corporate ETF	0.00%	0.00%	0.00%	4.93%	-0.68%	-0.29%	5.37%	8.94%	-0.49%	4.45%
IWM iShares Russell 2000 ETF	17.07%	12.66%	11.38%	16.83%	-20.48%	14.54%	20.03%	25.39%	-11.12%	14.58%

Correlation

The correlation between IBDO and IWM is -0.04, 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 (3Y) Calculated over the trailing 3-year period	-0.02
Correlation (5Y) Calculated over the trailing 5-year period	0.07
Correlation (10Y) Calculated over the trailing 10-year period	-0.03
Correlation (All Time) Calculated using the full available price history since Mar 13, 2015	-0.04

The correlation between IBDO and IWM shifts across timeframes, from -0.04 (all time) to 0.07 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

IBDO vs. IWM — Risk / Return Rank

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

IWM

IWM Risk / Return Rank: 62
IWM Sharpe Ratio Rank: 59
IWM Sortino Ratio Rank: 59
IWM Omega Ratio Rank: 53
IWM Calmar Ratio Rank: 70
IWM Martin Ratio Rank: 67

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.

IBDO vs. IWM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2023 Term Corporate ETF (IBDO) and iShares Russell 2000 ETF (IWM). 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

	IBDO	IWM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.05	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.27	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.48	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.37	—

Drawdowns

Drawdown Indicators

	IBDO	IWM	Difference
Max Drawdown Largest peak-to-trough decline	—	-59.05%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-11.03%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-27.50%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-31.91%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-41.13%	—
Current Drawdown Current decline from peak	—	-1.49%	—
Average Drawdown Average peak-to-trough decline	—	-10.77%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	3.10%	—

Volatility

Volatility by Period

	IBDO	IWM	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	5.75%	—
Volatility (6M) Calculated over the trailing 6-month period	—	13.53%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	19.20%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	22.52%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	23.04%	—

IBDO vs. IWM - Expense Ratio Comparison

IBDO has a 0.10% expense ratio, which is lower than IWM's 0.19% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

IBDO vs. IWM - Dividend Comparison

IBDO has not paid dividends to shareholders, while IWM's dividend yield for the trailing twelve months is around 0.88%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IBDO iShares iBonds Dec 2023 Term Corporate ETF	0.00%	0.00%	0.00%	3.61%	1.85%	2.04%	2.47%	3.01%	3.10%	2.96%	3.01%	2.39%
IWM iShares Russell 2000 ETF	0.88%	1.04%	1.15%	1.35%	1.48%	0.94%	1.04%	1.26%	1.40%	1.26%	1.38%	1.54%

Frequently Asked Questions

Can I hold both IBDO and IWM in my portfolio?

IBDO and IWM have a correlation of -0.04, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, IBDO or IWM?

On fees, IBDO is cheaper at 0.10% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, IBDO or IWM?

IBDO is cheaper with a 0.10% expense ratio, compared with 0.19% for IWM.

Which ETF pays a higher dividend yield, IBDO or IWM?

IWM has the higher dividend yield at 0.88%, compared with 0.00% for IBDO.

What is the main difference between IBDO and IWM?

IBDO is categorized as Corporate Bonds, while IWM is Small Cap Blend Equities. IBDO tracks Bloomberg December 2023 Maturity Corporate Index, while IWM tracks Russell 2000 Index. Their fees differ too: 0.10% for IBDO and 0.19% for IWM.