GMMA vs. CORO
GMMA (GammaRoad Market Navigation ETF) and CORO (iShares International Country Rotation Active ETF) are both Tactical Allocation funds. GMMA is passively managed, while CORO is actively managed. Over the past year, GMMA returned 10.84% vs 36.95% for CORO. A 0.61 correlation means they provide meaningful diversification when combined. GMMA charges 0.75%/yr vs 0.55%/yr for CORO.
Performance
GMMA vs. CORO - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, GMMA achieves a 3.61% return, which is significantly lower than CORO's 18.04% return.
GMMA
- 1D
- -0.41%
- 1M
- 3.45%
- YTD
- 3.61%
- 6M
- 3.75%
- 1Y
- 10.84%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
CORO
- 1D
- 0.11%
- 1M
- 4.89%
- YTD
- 18.04%
- 6M
- 20.42%
- 1Y
- 36.95%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
GMMA vs. CORO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
GMMA GammaRoad Market Navigation ETF | 3.61% | 8.95% | -4.22% |
CORO iShares International Country Rotation Active ETF | 18.04% | 35.09% | -3.56% |
Correlation
The correlation between GMMA and CORO is 0.72, 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 | 0.72 |
Correlation (All Time) Calculated using the full available price history since Dec 5, 2024 | 0.61 |
The correlation between GMMA and CORO shifts across timeframes, from 0.61 (all time) to 0.72 (1 year), reflecting how their relationship changes across market environments.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
GMMA vs. CORO — Risk / Return Rank
GMMA
CORO
GMMA vs. CORO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for GammaRoad Market Navigation ETF (GMMA) and iShares International Country Rotation Active ETF (CORO). 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.
| GMMA | CORO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.36 | ||
| Sortino ratioReturn per unit of downside risk | -0.34 | ||
| Omega ratioGain probability vs. loss probability | 1.40 | 1.44 | -0.04 |
| Calmar ratioReturn relative to maximum drawdown | 3.21 | 3.30 | -0.09 |
| Martin ratioReturn relative to average drawdown | 11.19 | 13.19 | -2.00 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading charts...
Sharpe Ratios by Period
| GMMA | CORO | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.05 | 2.41 | -0.36 |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.09 | 2.02 | -0.94 |
Drawdowns
GMMA vs. CORO - Drawdown Comparison
The maximum GMMA drawdown since its inception was -5.21%, smaller than the maximum CORO drawdown of -14.13%. Use the drawdown chart below to compare losses from any high point for GMMA and CORO.
Loading charts...
Drawdown Indicators
| GMMA | CORO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.21% | -14.13% | +8.92% |
Max Drawdown (1Y)Largest decline over 1 year | -3.39% | -11.25% | +7.86% |
Current DrawdownCurrent decline from peak | -0.41% | -0.76% | +0.35% |
Average DrawdownAverage peak-to-trough decline | -1.23% | -1.74% | +0.51% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.97% | 2.81% | -1.84% |
Volatility
GMMA vs. CORO - Volatility Comparison
The current volatility for GammaRoad Market Navigation ETF (GMMA) is 1.88%, while iShares International Country Rotation Active ETF (CORO) has a volatility of 5.32%. This indicates that GMMA experiences smaller price fluctuations and is considered to be less risky than CORO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| GMMA | CORO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.88% | 5.32% | -3.44% |
Volatility (6M)Calculated over the trailing 6-month period | 4.09% | 13.21% | -9.12% |
Volatility (1Y)Calculated over the trailing 1-year period | 5.32% | 15.44% | -10.12% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 7.10% | 16.64% | -9.54% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 7.10% | 16.64% | -9.54% |
GMMA vs. CORO - Expense Ratio Comparison
GMMA has a 0.75% expense ratio, which is higher than CORO's 0.55% expense ratio.
Dividends
GMMA vs. CORO - Dividend Comparison
GMMA's dividend yield for the trailing twelve months is around 3.65%, more than CORO's 2.71% yield.
| Position | TTM | 2025 | 2024 |
|---|---|---|---|
CORO iShares International Country Rotation Active ETF | 2.71% | 3.20% | 1.53% |
GMMA GammaRoad Market Navigation ETF | 3.65% | 3.00% | 0.57% |
Frequently Asked Questions
GMMA and CORO have a correlation of 0.72, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CORO has higher volatility (5.32%) compared to GMMA (1.88%). In terms of maximum drawdown, GMMA dropped -5.21% vs CORO's -14.13%.
On 1-year performance, CORO leads with 36.95% vs 10.84% for GMMA. On fees, CORO is cheaper at 0.55% per year. On volatility, GMMA has been the lower-risk option at 1.88%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, CORO has performed better with a 36.95% return vs 10.84%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
CORO is cheaper with a 0.55% expense ratio, compared with 0.75% for GMMA.
GMMA has the higher dividend yield at 3.65%, compared with 2.71% for CORO.
They also come from different issuers: GammaRoad Capital Partners and iShares. Their fees differ too: 0.75% for GMMA and 0.55% for CORO.
CORO currently has the higher Sharpe Ratio (2.41 vs 2.05), 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.
Find the right allocation for GMMA and CORO
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer