IBDS vs. BSCX

Last updated Jun 3, 2026

IBDS (iShares iBonds Dec 2027 Term Corporate ETF) and BSCX (Invesco BulletShares 2033 Corporate Bond ETF) are both Corporate Bonds funds - IBDS tracks the Bloomberg Barclays December 2027 Maturity Corporate Index while BSCX tracks the Invesco BulletShares USD Corporate Bond 2033 Index. Both are passively managed. Over the past year, IBDS returned 4.57% vs 6.45% for BSCX. Their correlation of 0.81 suggests significant overlap in exposure. Both charge a 0.10% expense ratio.

Performance

IBDS vs. BSCX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares iBonds Dec 2027 Term Corporate ETF (IBDS) and Invesco BulletShares 2033 Corporate Bond ETF (BSCX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IBDS achieves a 1.27% return, which is significantly higher than BSCX's 0.36% return.

IBDS

• 1D: 0.00%
• 1M: 0.31%
• YTD: 1.27%
• 6M: 1.74%
• 1Y: 4.57%
• 3Y*: 5.29%
• 5Y*: 1.51%
• 10Y*: —

BSCX

• 1D: 0.00%
• 1M: 0.16%
• YTD: 0.36%
• 6M: 0.59%
• 1Y: 6.45%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

IBDS vs. BSCX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
IBDS iShares iBonds Dec 2027 Term Corporate ETF	1.27%	5.86%	4.61%	4.52%
BSCX Invesco BulletShares 2033 Corporate Bond ETF	0.36%	9.31%	1.73%	7.88%

Correlation

The correlation between IBDS and BSCX is 0.71, 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	0.71
Correlation (All Time) Calculated using the full available price history since Sep 21, 2023	0.81

The correlation between IBDS and BSCX has been stable across timeframes, ranging from 0.71 to 0.81 - a consistent structural relationship.

Return for Risk

IBDS vs. BSCX — 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

BSCX

BSCX Risk / Return Rank: 44
BSCX Sharpe Ratio Rank: 44
BSCX Sortino Ratio Rank: 48
BSCX Omega Ratio Rank: 42
BSCX Calmar Ratio Rank: 43
BSCX 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.

IBDS vs. BSCX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2027 Term Corporate ETF (IBDS) and Invesco BulletShares 2033 Corporate Bond ETF (BSCX). 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	BSCX	Difference
Sharpe ratio Return per unit of total volatility	4.19	1.58	+2.61
Sortino ratio Return per unit of downside risk	8.04	2.36	+5.67
Omega ratio Gain probability vs. loss probability	2.09	1.28	+0.81
Calmar ratio Return relative to maximum drawdown	10.59	2.17	+8.42
Martin ratio Return relative to average drawdown	49.03	7.07	+41.95
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. BSCX - Sharpe Ratio Comparison

The current IBDS Sharpe Ratio is 4.19, which is higher than the BSCX Sharpe Ratio of 1.58. The chart below compares the historical Sharpe Ratios of IBDS and BSCX, 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	BSCX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	4.19	1.58	+2.61
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.36	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.57	1.18	-0.61

Drawdowns

IBDS vs. BSCX - Drawdown Comparison

The maximum IBDS drawdown since its inception was -16.75%, which is greater than BSCX's maximum drawdown of -5.13%. Use the drawdown chart below to compare losses from any high point for IBDS and BSCX.

Drawdown Indicators

	IBDS	BSCX	Difference
Max Drawdown Largest peak-to-trough decline	-16.75%	-5.13%	-11.62%
Max Drawdown (1Y) Largest decline over 1 year	-0.43%	-2.90%	+2.47%
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	-0.02%	-1.22%	+1.20%
Average Drawdown Average peak-to-trough decline	-3.36%	-1.37%	-1.99%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.09%	0.89%	-0.80%

Volatility

IBDS vs. BSCX - Volatility Comparison

The current volatility for iShares iBonds Dec 2027 Term Corporate ETF (IBDS) is 0.15%, while Invesco BulletShares 2033 Corporate Bond ETF (BSCX) has a volatility of 1.34%. This indicates that IBDS experiences smaller price fluctuations and is considered to be less risky than BSCX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IBDS	BSCX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.15%	1.34%	-1.19%
Volatility (6M) Calculated over the trailing 6-month period	0.64%	3.00%	-2.36%
Volatility (1Y) Calculated over the trailing 1-year period	1.09%	4.11%	-3.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.18%	6.09%	-1.91%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.55%	6.09%	-0.54%

IBDS vs. BSCX - Expense Ratio Comparison

Both IBDS and BSCX have an expense ratio of 0.10%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

Dividends

IBDS vs. BSCX - Dividend Comparison

IBDS's dividend yield for the trailing twelve months is around 4.32%, less than BSCX's 4.88% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
BSCX Invesco BulletShares 2033 Corporate Bond ETF	4.88%	4.82%	5.00%	1.08%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
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%

Frequently Asked Questions

Can I hold both IBDS and BSCX in my portfolio?

IBDS and BSCX have a correlation of 0.71, 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 BSCX?

BSCX has higher volatility (1.34%) compared to IBDS (0.15%). In terms of maximum drawdown, IBDS dropped -16.75% vs BSCX's -5.13%.

Which ETF is better, IBDS or BSCX?

On 1-year performance, BSCX leads with 6.45% vs 4.57% for IBDS. Both ETFs have the same 0.10% expense ratio. 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 BSCX?

Over the 1-year period, BSCX has performed better with a 6.45% 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 BSCX?

IBDS and BSCX have the same expense ratio: 0.10% per year.

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

BSCX has the higher dividend yield at 4.88%, compared with 4.32% for IBDS.

What is the main difference between IBDS and BSCX?

IBDS tracks Bloomberg Barclays December 2027 Maturity Corporate Index, while BSCX tracks Invesco BulletShares USD Corporate Bond 2033 Index. They also come from different issuers: iShares and Invesco.

Which has better risk-adjusted returns?

IBDS currently has the higher Sharpe Ratio (4.19 vs 1.58), 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.