KOOL vs. UJUN

Last updated Jul 12, 2026

KOOL (North Shore Equity Rotation ETF) and UJUN (Innovator U.S. Equity Ultra Buffer ETF - June) are both exchange-traded funds - KOOL is a Large Cap Blend Equities fund actively managed by North Shore, while UJUN is a Defined Outcome fund tracking the Cboe S&P 500 30% (-5% to -35%) Buffer Protect June Series Index. KOOL is actively managed, while UJUN is passively managed. Over the past year, KOOL returned 22.57% vs 8.47% for UJUN. Their correlation of 0.82 suggests significant overlap in exposure. KOOL charges 0.94%/yr vs 0.79%/yr for UJUN.

Performance

KOOL vs. UJUN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in North Shore Equity Rotation ETF (KOOL) and Innovator U.S. Equity Ultra Buffer ETF - June (UJUN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, KOOL achieves a 13.81% return, which is significantly higher than UJUN's 3.57% return.

KOOL

• 1D: 0.44%
• 1M: 1.06%
• 6M: 11.62%
• YTD: 13.81%
• 1Y: 22.57%
• 3Y*: —
• 5Y*: —
• 10Y*: —

UJUN

• 1D: 0.21%
• 1M: 1.12%
• 6M: 3.06%
• YTD: 3.57%
• 1Y: 8.47%
• 3Y*: 10.63%
• 5Y*: 6.17%
• 10Y*: —

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

KOOL vs. UJUN - Yearly Performance Comparison

	2026 (YTD)	2025	2024
KOOL North Shore Equity Rotation ETF	13.81%	16.05%	10.83%
UJUN Innovator U.S. Equity Ultra Buffer ETF - June	3.57%	10.63%	9.02%

Correlation

The correlation between KOOL and UJUN is 0.79, 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	0.79
Correlation (All Time) Calculated using the full available price history since Apr 2, 2024	0.82

The correlation between KOOL and UJUN has been stable across timeframes, ranging from 0.79 to 0.82 - a consistent structural relationship.

KOOL vs. UJUN - Sectors Allocation Comparison

Sectors	KOOL	UJUN
Financial Services	27.9%	11.0%
Technology	17.5%	38.4%
Energy	11.7%	3.2%
Industrials	8.5%	7.9%
Utilities	7.4%	2.1%
Communication Services	7.0%	10.8%
Basic Materials	6.1%	1.7%
Consumer Cyclical	4.3%	10.0%
Consumer Defensive	3.0%	4.6%
Healthcare	2.7%	8.4%
Real Estate	2.4%	1.8%

Return for Risk

KOOL vs. UJUN — Risk / Return Rank

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

KOOL

KOOL Risk / Return Rank: 65
KOOL Sharpe Ratio Rank: 61
KOOL Sortino Ratio Rank: 58
KOOL Omega Ratio Rank: 58
KOOL Calmar Ratio Rank: 75
KOOL Martin Ratio Rank: 73

UJUN

UJUN Risk / Return Rank: 78
UJUN Sharpe Ratio Rank: 70
UJUN Sortino Ratio Rank: 75
UJUN Omega Ratio Rank: 86
UJUN Calmar Ratio Rank: 73
UJUN Martin Ratio Rank: 87

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.

KOOL vs. UJUN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for North Shore Equity Rotation ETF (KOOL) and Innovator U.S. Equity Ultra Buffer ETF - June (UJUN). 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.

	KOOL	UJUN	Difference
Sharpe ratio: Return per unit of total volatility	1.61	1.81	-0.20
Sortino ratio: Return per unit of downside risk	2.22	2.68	-0.46
Omega ratio: Gain probability vs. loss probability	1.28	1.41	-0.13
Calmar ratio: Return relative to maximum drawdown	3.06	2.94	+0.12
Martin ratio: Return relative to average drawdown	10.70	14.37	-3.67

KOOL vs. UJUN - Sharpe Ratio Comparison

The current KOOL Sharpe Ratio is 1.61, which is comparable to the UJUN Sharpe Ratio of 1.81. The chart below compares the historical Sharpe Ratios of KOOL and UJUN, 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

KOOL vs. UJUN - Drawdown Comparison

The maximum KOOL drawdown since its inception was -20.46%, which is greater than UJUN's maximum drawdown of -13.73%. Use the drawdown chart below to compare losses from any high point for KOOL and UJUN.

Drawdown Indicators

	KOOL	UJUN	Difference
Max Drawdown Largest peak-to-trough decline	-20.46%	-13.73%	-6.73%
Max Drawdown (1Y) Largest decline over 1 year	-7.18%	-2.84%	-4.34%
Max Drawdown (3Y) Largest decline over 3 years	—	-11.24%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-11.96%	—
Current Drawdown Current decline from peak	-2.20%	-0.05%	-2.15%
Average Drawdown Average peak-to-trough decline	-2.55%	-2.05%	-0.50%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.05%	0.58%	+1.47%

Volatility

KOOL vs. UJUN - Volatility Comparison

North Shore Equity Rotation ETF (KOOL) has a higher volatility of 4.46% compared to Innovator U.S. Equity Ultra Buffer ETF - June (UJUN) at 2.02%. This indicates that KOOL's price experiences larger fluctuations and is considered to be riskier than UJUN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	KOOL	UJUN	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.46%	2.02%	+2.44%
Volatility (6M) Calculated over the trailing 6-month period	11.23%	3.98%	+7.25%
Volatility (1Y) Calculated over the trailing 1-year period	13.67%	4.61%	+9.06%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.96%	8.38%	+8.58%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.96%	8.75%	+8.21%

KOOL vs. UJUN - Expense Ratio Comparison

KOOL has a 0.94% expense ratio, which is higher than UJUN's 0.79% expense ratio.

Dividends

KOOL vs. UJUN - Dividend Comparison

KOOL's dividend yield for the trailing twelve months is around 0.43%, while UJUN has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
KOOL North Shore Equity Rotation ETF	0.43%	0.37%	0.56%	0.00%	0.00%	0.00%	0.00%	0.00%
UJUN Innovator U.S. Equity Ultra Buffer ETF - June	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	3.89%

Frequently Asked Questions

Can I hold both KOOL and UJUN in my portfolio?

KOOL and UJUN have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, KOOL or UJUN?

KOOL has higher volatility (4.46%) compared to UJUN (2.02%). In terms of maximum drawdown, KOOL dropped -20.46% vs UJUN's -13.73%.

Which ETF is better, KOOL or UJUN?

On 1-year performance, KOOL leads with 22.57% vs 8.47% for UJUN. On fees, UJUN is cheaper at 0.79% per year. On volatility, UJUN has been the lower-risk option at 2.02%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, KOOL or UJUN?

Over the 1-year period, KOOL has performed better with a 22.57% return vs 8.47%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, KOOL or UJUN?

UJUN is cheaper with a 0.79% expense ratio, compared with 0.94% for KOOL.

Which ETF pays a higher dividend yield, KOOL or UJUN?

KOOL has the higher dividend yield at 0.43%, compared with 0.00% for UJUN.

What is the main difference between KOOL and UJUN?

KOOL is categorized as Large Cap Blend Equities, while UJUN is Defined Outcome. They also come from different issuers: North Shore and Innovator. Their fees differ too: 0.94% for KOOL and 0.79% for UJUN.

Which has better risk-adjusted returns?

UJUN currently has the higher Sharpe Ratio (1.81 vs 1.61), 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.