SPCK vs. IBMR

Last updated Aug 1, 2026

SPCK (SPAC and New Issue ETF) and IBMR (iShares iBonds Dec 2029 Term Muni Bond ETF) are both exchange-traded funds - SPCK is a Actively Managed fund actively managed by Tuttle, while IBMR is a Municipal Bonds fund tracking the S&P AMT-Free Municipal Series Callable-Adjusted 2029 Index. SPCK is actively managed, while IBMR is passively managed. Over the past 3 years, SPCK returned 3.82%/yr vs 3.05%/yr for IBMR. Their -0.01 correlation means they have often moved in opposite directions in the past. SPCK charges 0.95%/yr vs 0.18%/yr for IBMR.

Performance

SPCK vs. IBMR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SPAC and New Issue ETF (SPCK) and iShares iBonds Dec 2029 Term Muni Bond ETF (IBMR). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SPCK achieves a 1.34% return, which is significantly higher than IBMR's 0.44% return.

SPCK

• 1D: -0.29%
• 1M: -0.26%
• 6M: -0.03%
• YTD: 1.34%
• 1Y: 3.66%
• 3Y*: 3.82%
• 5Y*: -1.39%
• 10Y*: —
• ALL TIME*: 1.18%

IBMR

• 1D: -0.10%
• 1M: -0.51%
• 6M: -0.33%
• YTD: 0.44%
• 1Y: 1.67%
• 3Y*: 3.05%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 2.60%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
IBMR iShares iBonds Dec 2029 Term Muni Bond ETF	$1.28M	$1.40M	$1.46M
SPCK SPAC and New Issue ETF	$38.34K	$97.37K	$145.22K

SPCK vs. IBMR - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
SPCK SPAC and New Issue ETF	1.34%	7.81%	2.84%	-0.95%
IBMR iShares iBonds Dec 2029 Term Muni Bond ETF	0.44%	4.45%	0.06%	3.46%

Correlation

The correlation between SPCK and IBMR is -0.08, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	-0.08
Correlation (3Y) Balances recent behavior with more history.	-0.01
Correlation (All Time) Calculated using the full available price history since May 11, 2023	-0.01

Return for Risk

SPCK vs. IBMR — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

SPCK

SPCK Risk / Return Rank: 25
SPCK Sharpe Ratio Rank: 22
SPCK Sortino Ratio Rank: 21
SPCK Omega Ratio Rank: 21
SPCK Calmar Ratio Rank: 33
SPCK Martin Ratio Rank: 26

IBMR

IBMR Risk / Return Rank: 47
IBMR Sharpe Ratio Rank: 52
IBMR Sortino Ratio Rank: 51
IBMR Omega Ratio Rank: 56
IBMR Calmar Ratio Rank: 39
IBMR Martin Ratio Rank: 34

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

SPCK vs. IBMR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPAC and New Issue ETF (SPCK) and iShares iBonds Dec 2029 Term Muni Bond ETF (IBMR). 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.

	SPCK	IBMR	Difference
Sharpe ratio: Return per unit of total volatility	0.47	1.28	-0.81
Sortino ratio: Return per unit of downside risk	0.72	1.84	-1.11
Omega ratio: Gain probability vs. loss probability	1.09	1.25	-0.16
Calmar ratio: Return relative to maximum drawdown	1.11	1.38	-0.27
Martin ratio: Return relative to average drawdown	2.02	3.33	-1.31

SPCK vs. IBMR - Sharpe Ratio Comparison

The current SPCK Sharpe Ratio is 0.47, which is lower than the IBMR Sharpe Ratio of 1.28. The chart below compares the historical Sharpe Ratios of SPCK and IBMR, 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

SPCK vs. IBMR - Drawdown Comparison

The maximum SPCK drawdown since its inception was -28.28%, which is greater than IBMR's maximum drawdown of -4.83%. Use the drawdown chart below to compare losses from any high point for SPCK and IBMR.

Drawdown Indicators

	SPCK	IBMR	Difference
Max Drawdown Largest peak-to-trough decline	-28.28%	-4.83%	-23.45%
Max Drawdown (1Y) Largest decline over 1 year	-2.58%	-1.55%	-1.03%
Max Drawdown (3Y) Largest decline over 3 years	-7.72%	-3.63%	-4.09%
Max Drawdown (5Y) Largest decline over 5 years	-19.89%	—	—
Current Drawdown Current decline from peak	-17.09%	-0.94%	-16.15%
Average Drawdown Average peak-to-trough decline	-18.79%	-1.00%	-17.79%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.44%	0.64%	+0.80%

Volatility

SPCK vs. IBMR - Volatility Comparison

SPAC and New Issue ETF (SPCK) has a higher volatility of 1.81% compared to iShares iBonds Dec 2029 Term Muni Bond ETF (IBMR) at 0.43%. This indicates that SPCK's price experiences larger fluctuations and is considered to be riskier than IBMR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SPCK	IBMR	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.81%	0.43%	+1.38%
Volatility (6M) Calculated over the trailing 6-month period	4.84%	1.10%	+3.74%
Volatility (1Y) Calculated over the trailing 1-year period	6.13%	1.68%	+4.45%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	8.33%	3.00%	+5.33%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	9.20%	3.00%	+6.20%

SPCK vs. IBMR - Expense Ratio Comparison

SPCK has a 0.95% expense ratio, which is higher than IBMR's 0.18% expense ratio.

Dividends

SPCK vs. IBMR - Dividend Comparison

SPCK's dividend yield for the trailing twelve months is around 16.27%, more than IBMR's 2.55% yield.

Position	TTM	2025	2024	2023	2022	2021
IBMR iShares iBonds Dec 2029 Term Muni Bond ETF	2.33%	2.55%	2.53%	1.27%	0.00%	0.00%
SPCK SPAC and New Issue ETF	16.27%	16.48%	0.69%	2.27%	0.00%	1.28%

Frequently Asked Questions

Can I hold both SPCK and IBMR in my portfolio?

SPCK and IBMR have a correlation of -0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SPCK or IBMR?

SPCK has higher volatility (1.81%) compared to IBMR (0.43%). In terms of maximum drawdown, SPCK dropped -28.28% vs IBMR's -4.83%.

Which ETF is better, SPCK or IBMR?

On 3-year performance, SPCK leads with 3.82% vs 3.05% for IBMR. On fees, IBMR is cheaper at 0.18% per year. On volatility, IBMR has been the lower-risk option at 0.43%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SPCK or IBMR?

Over the 3-year period, SPCK has performed better with a 3.82% return vs 3.05%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SPCK or IBMR?

IBMR is cheaper with a 0.18% expense ratio, compared with 0.95% for SPCK.

Which ETF pays a higher dividend yield, SPCK or IBMR?

SPCK has the higher dividend yield at 16.27%, compared with 2.33% for IBMR.

What is the main difference between SPCK and IBMR?

SPCK is categorized as Actively Managed, while IBMR is Municipal Bonds. They also come from different issuers: Tuttle and iShares. Their fees differ too: 0.95% for SPCK and 0.18% for IBMR.

Which has better risk-adjusted returns?

IBMR currently has the higher Sharpe Ratio (1.28 vs 0.47), 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.