CORO vs. WNTR

Last updated Jul 17, 2026

CORO (iShares International Country Rotation Active ETF) and WNTR (YieldMax Short MSTR Option Income Strategy ETF) are both exchange-traded funds - CORO is a Tactical Allocation fund actively managed by iShares, while WNTR is a Derivative Income fund actively managed by YieldMax. Both are actively managed. Over the past year, CORO returned 30.37% vs 127.90% for WNTR. At a correlation of -0.38, they often move in opposite directions. CORO charges 0.55%/yr vs 1.01%/yr for WNTR.

Performance

CORO vs. WNTR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares International Country Rotation Active ETF (CORO) and YieldMax Short MSTR Option Income Strategy ETF (WNTR). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CORO achieves a 15.09% return, which is significantly higher than WNTR's 9.49% return.

CORO

• 1D: -1.20%
• 1M: -2.87%
• 6M: 10.08%
• YTD: 15.09%
• 1Y: 30.37%
• 3Y*: —
• 5Y*: —
• 10Y*: —

WNTR

• 1D: 2.96%
• 1M: 17.94%
• 6M: 21.62%
• YTD: 9.49%
• 1Y: 127.90%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

CORO vs. WNTR - Yearly Performance Comparison

	2026 (YTD)	2025
CORO iShares International Country Rotation Active ETF	15.09%	24.87%
WNTR YieldMax Short MSTR Option Income Strategy ETF	9.49%	52.78%

Correlation

The correlation between CORO and WNTR is -0.39, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.39
Correlation (All Time) Calculated using the full available price history since Mar 27, 2025	-0.38

Return for Risk

CORO vs. WNTR — Risk / Return Rank

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

CORO

CORO Risk / Return Rank: 69
CORO Sharpe Ratio Rank: 69
CORO Sortino Ratio Rank: 66
CORO Omega Ratio Rank: 70
CORO Calmar Ratio Rank: 67
CORO Martin Ratio Rank: 71

WNTR

WNTR Risk / Return Rank: 73
WNTR Sharpe Ratio Rank: 90
WNTR Sortino Ratio Rank: 71
WNTR Omega Ratio Rank: 75
WNTR Calmar Ratio Rank: 74
WNTR Martin Ratio Rank: 56

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.

CORO vs. WNTR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares International Country Rotation Active ETF (CORO) and YieldMax Short MSTR Option Income Strategy ETF (WNTR). 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.

	CORO	WNTR	Difference
Sharpe ratio: Return per unit of total volatility	1.79	2.39	-0.60
Sortino ratio: Return per unit of downside risk	2.44	2.56	-0.12
Omega ratio: Gain probability vs. loss probability	1.33	1.35	-0.02
Calmar ratio: Return relative to maximum drawdown	2.71	3.02	-0.31
Martin ratio: Return relative to average drawdown	10.29	7.72	+2.57

CORO vs. WNTR - Sharpe Ratio Comparison

The current CORO Sharpe Ratio is 1.79, which is comparable to the WNTR Sharpe Ratio of 2.39. The chart below compares the historical Sharpe Ratios of CORO and WNTR, 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

CORO vs. WNTR - Drawdown Comparison

The maximum CORO drawdown since its inception was -14.13%, smaller than the maximum WNTR drawdown of -42.65%. Use the drawdown chart below to compare losses from any high point for CORO and WNTR.

Drawdown Indicators

	CORO	WNTR	Difference
Max Drawdown Largest peak-to-trough decline	-14.13%	-42.65%	+28.52%
Max Drawdown (1Y) Largest decline over 1 year	-11.25%	-42.65%	+31.40%
Current Drawdown Current decline from peak	-4.17%	-10.67%	+6.50%
Average Drawdown Average peak-to-trough decline	-1.79%	-20.46%	+18.67%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.96%	16.63%	-13.67%

Volatility

CORO vs. WNTR - Volatility Comparison

The current volatility for iShares International Country Rotation Active ETF (CORO) is 5.31%, while YieldMax Short MSTR Option Income Strategy ETF (WNTR) has a volatility of 17.89%. This indicates that CORO experiences smaller price fluctuations and is considered to be less risky than WNTR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CORO	WNTR	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.31%	17.89%	-12.58%
Volatility (6M) Calculated over the trailing 6-month period	15.13%	47.05%	-31.92%
Volatility (1Y) Calculated over the trailing 1-year period	17.00%	53.81%	-36.81%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.22%	53.49%	-36.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.22%	53.49%	-36.27%

CORO vs. WNTR - Expense Ratio Comparison

CORO has a 0.55% expense ratio, which is lower than WNTR's 1.01% expense ratio.

Dividends

CORO vs. WNTR - Dividend Comparison

CORO's dividend yield for the trailing twelve months is around 2.86%, less than WNTR's 106.86% yield.

Position	TTM	2025	2024
CORO iShares International Country Rotation Active ETF	2.86%	3.20%	1.53%
WNTR YieldMax Short MSTR Option Income Strategy ETF	106.86%	58.56%	0.00%

Frequently Asked Questions

Can I hold both CORO and WNTR in my portfolio?

CORO and WNTR have a correlation of -0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CORO or WNTR?

WNTR has higher volatility (17.89%) compared to CORO (5.31%). In terms of maximum drawdown, CORO dropped -14.13% vs WNTR's -42.65%.

Which ETF is better, CORO or WNTR?

On 1-year performance, WNTR leads with 127.90% vs 30.37% for CORO. On fees, CORO is cheaper at 0.55% per year. On volatility, CORO has been the lower-risk option at 5.31%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CORO or WNTR?

Over the 1-year period, WNTR has performed better with a 127.90% return vs 30.37%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CORO or WNTR?

CORO is cheaper with a 0.55% expense ratio, compared with 1.01% for WNTR.

Which ETF pays a higher dividend yield, CORO or WNTR?

WNTR has the higher dividend yield at 106.86%, compared with 2.86% for CORO.

What is the main difference between CORO and WNTR?

CORO is categorized as Tactical Allocation, while WNTR is Derivative Income. They also come from different issuers: iShares and YieldMax. Their fees differ too: 0.55% for CORO and 1.01% for WNTR.

Which has better risk-adjusted returns?

WNTR currently has the higher Sharpe Ratio (2.39 vs 1.79), 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.