IMSIX vs. COTZX

Last updated Aug 1, 2026

IMSIX (IMS Strategic Income Fund) and COTZX (Columbia Thermostat Fund) are both Tactical Allocation funds. Over the past 10 years, IMSIX returned 1.36%/yr vs 7.19%/yr for COTZX. Their 0.58 correlation means they have sometimes moved together and sometimes differently. IMSIX charges 1.95%/yr vs 0.24%/yr for COTZX.

Performance

IMSIX vs. COTZX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in IMS Strategic Income Fund (IMSIX) and Columbia Thermostat Fund (COTZX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IMSIX achieves a 1.51% return, which is significantly lower than COTZX's 2.42% return. Over the past 10 years, IMSIX has underperformed COTZX with an annualized return of 1.36%, while COTZX has yielded a comparatively higher 7.19% annualized return.

IMSIX

• 1D: -0.51%
• 1M: -1.51%
• 6M: 0.51%
• YTD: 1.51%
• 1Y: 4.56%
• 3Y*: 5.72%
• 5Y*: -0.09%
• 10Y*: 1.36%
• ALL TIME*: 0.95%

COTZX

• 1D: 0.56%
• 1M: -0.60%
• 6M: 2.13%
• YTD: 2.42%
• 1Y: 7.46%
• 3Y*: 9.83%
• 5Y*: 4.24%
• 10Y*: 7.19%
• ALL TIME*: 7.33%

*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)
COTZX Columbia Thermostat Fund	$0.00	$0.00	$0.00
IMSIX IMS Strategic Income Fund	$0.00	$0.00	$0.00

IMSIX vs. COTZX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IMSIX IMS Strategic Income Fund	1.51%	8.83%	0.41%	10.14%	-17.29%	11.84%	4.01%	15.97%	-9.31%	-5.36%
COTZX Columbia Thermostat Fund	2.42%	15.02%	7.98%	11.66%	-12.92%	6.44%	29.61%	15.15%	-1.17%	3.33%

Correlation

The correlation between IMSIX and COTZX is 0.43, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.43
Correlation (3Y) Balances recent behavior with more history.	0.54
Correlation (5Y) Shows whether the relationship held over a longer period.	0.54
Correlation (10Y) Provides a long-term view across more market conditions.	0.51
Correlation (All Time) Calculated using the full available price history since Nov 5, 2002	0.58

The correlation between IMSIX and COTZX shifts across timeframes, from 0.43 (1 year) to 0.58 (all time), reflecting how their relationship changes across market environments.

Return for Risk

IMSIX vs. COTZX — Risk / Return Rank

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

IMSIX

IMSIX Risk / Return Rank: 20
IMSIX Sharpe Ratio Rank: 19
IMSIX Sortino Ratio Rank: 17
IMSIX Omega Ratio Rank: 24
IMSIX Calmar Ratio Rank: 18
IMSIX Martin Ratio Rank: 20

COTZX

COTZX Risk / Return Rank: 55
COTZX Sharpe Ratio Rank: 53
COTZX Sortino Ratio Rank: 54
COTZX Omega Ratio Rank: 54
COTZX Calmar Ratio Rank: 49
COTZX Martin Ratio Rank: 65

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.

IMSIX vs. COTZX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for IMS Strategic Income Fund (IMSIX) and Columbia Thermostat Fund (COTZX). 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.

	IMSIX	COTZX	Difference
Sharpe ratio: Return per unit of total volatility	0.73	1.35	-0.62
Sortino ratio: Return per unit of downside risk	1.06	1.97	-0.92
Omega ratio: Gain probability vs. loss probability	1.16	1.25	-0.09
Calmar ratio: Return relative to maximum drawdown	0.93	1.82	-0.89
Martin ratio: Return relative to average drawdown	2.89	8.08	-5.19

IMSIX vs. COTZX - Sharpe Ratio Comparison

The current IMSIX Sharpe Ratio is 0.73, which is lower than the COTZX Sharpe Ratio of 1.35. The chart below compares the historical Sharpe Ratios of IMSIX and COTZX, 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

IMSIX vs. COTZX - Drawdown Comparison

The maximum IMSIX drawdown since its inception was -51.80%, which is greater than COTZX's maximum drawdown of -47.48%. Use the drawdown chart below to compare losses from any high point for IMSIX and COTZX.

Drawdown Indicators

	IMSIX	COTZX	Difference
Max Drawdown Largest peak-to-trough decline	-51.80%	-47.48%	-4.32%
Max Drawdown (1Y) Largest decline over 1 year	-4.93%	-4.02%	-0.91%
Max Drawdown (3Y) Largest decline over 3 years	-7.88%	-6.92%	-0.96%
Max Drawdown (5Y) Largest decline over 5 years	-25.83%	-17.80%	-8.03%
Max Drawdown (10Y) Largest decline over 10 years	-26.09%	-17.80%	-8.29%
Current Drawdown Current decline from peak	-23.48%	-1.04%	-22.44%
Average Drawdown Average peak-to-trough decline	-20.85%	-3.45%	-17.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.58%	0.90%	+0.68%

Volatility

IMSIX vs. COTZX - Volatility Comparison

IMS Strategic Income Fund (IMSIX) and Columbia Thermostat Fund (COTZX) have volatilities of 1.62% and 1.57%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IMSIX	COTZX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.62%	1.57%	+0.05%
Volatility (6M) Calculated over the trailing 6-month period	4.53%	4.51%	+0.02%
Volatility (1Y) Calculated over the trailing 1-year period	6.28%	5.42%	+0.86%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	8.82%	7.42%	+1.40%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	9.20%	7.42%	+1.78%

IMSIX vs. COTZX - Expense Ratio Comparison

IMSIX has a 1.95% expense ratio, which is higher than COTZX's 0.24% expense ratio.

Dividends

IMSIX vs. COTZX - Dividend Comparison

IMSIX's dividend yield for the trailing twelve months is around 8.21%, more than COTZX's 3.28% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COTZX Columbia Thermostat Fund	3.28%	3.37%	3.55%	2.74%	3.28%	14.82%	6.92%	5.57%	4.45%	3.13%	2.66%	4.26%
IMSIX IMS Strategic Income Fund	8.21%	7.96%	7.00%	5.16%	7.84%	6.79%	5.93%	5.02%	6.38%	7.27%	9.32%	11.40%

Frequently Asked Questions

Can I hold both IMSIX and COTZX in my portfolio?

IMSIX and COTZX have a correlation of 0.43, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IMSIX or COTZX?

IMSIX has higher volatility (1.62%) compared to COTZX (1.57%). In terms of maximum drawdown, IMSIX dropped -51.80% vs COTZX's -47.48%.

Which has better risk-adjusted returns?

COTZX currently has the higher Sharpe Ratio (1.35 vs 0.73), 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.