NSI vs. MEMY
NSI (National Security Emerging Markets Index ETF) and MEMY (Tuttle Capital Meme Stock Income Blast ETF) are both exchange-traded funds - NSI is a Emerging Markets Diversified fund tracking the Alerian National Security Emerging Markets Index, while MEMY is a Derivative Income fund actively managed by Tuttle. NSI is passively managed, while MEMY is actively managed. A 0.61 correlation means they provide meaningful diversification when combined. NSI charges 1.00%/yr vs 0.99%/yr for MEMY.
Performance
NSI vs. MEMY - Performance Comparison
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Returns By Period
NSI
- 1D
- -1.59%
- 1M
- 3.72%
- YTD
- 17.45%
- 6M
- 19.18%
- 1Y
- 42.48%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
MEMY
- 1D
- -3.26%
- 1M
- 23.40%
- YTD
- —
- 6M
- —
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
NSI vs. MEMY - Yearly Performance Comparison
| 2026 (YTD) | |
|---|---|
NSI National Security Emerging Markets Index ETF | 12.24% |
MEMY Tuttle Capital Meme Stock Income Blast ETF | 8.83% |
Correlation
The correlation between NSI and MEMY is 0.61, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Jan 21, 2026 | 0.61 |
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Return for Risk
NSI vs. MEMY — Risk / Return Rank
NSI
MEMY
NSI vs. MEMY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for National Security Emerging Markets Index ETF (NSI) and Tuttle Capital Meme Stock Income Blast ETF (MEMY). 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.
| NSI | MEMY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | 1.41 | — | — |
| Calmar ratioReturn relative to maximum drawdown | 3.12 | — | — |
| Martin ratioReturn relative to average drawdown | 11.55 | — | — |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| NSI | MEMY | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.31 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.24 | 0.48 | +0.75 |
Drawdowns
NSI vs. MEMY - Drawdown Comparison
The maximum NSI drawdown since its inception was -18.77%, smaller than the maximum MEMY drawdown of -27.32%. Use the drawdown chart below to compare losses from any high point for NSI and MEMY.
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Drawdown Indicators
| NSI | MEMY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.77% | -27.32% | +8.55% |
Max Drawdown (1Y)Largest decline over 1 year | -13.66% | — | — |
Current DrawdownCurrent decline from peak | -1.59% | -3.26% | +1.67% |
Average DrawdownAverage peak-to-trough decline | -3.65% | -13.23% | +9.58% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.69% | — | — |
Volatility
NSI vs. MEMY - Volatility Comparison
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Volatility by Period
| NSI | MEMY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.13% | — | — |
Volatility (6M)Calculated over the trailing 6-month period | 15.60% | — | — |
Volatility (1Y)Calculated over the trailing 1-year period | 18.51% | 53.62% | -35.11% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.22% | 53.62% | -35.40% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.22% | 53.62% | -35.40% |
NSI vs. MEMY - Expense Ratio Comparison
NSI has a 1.00% expense ratio, which is higher than MEMY's 0.99% expense ratio.
Dividends
NSI vs. MEMY - Dividend Comparison
NSI's dividend yield for the trailing twelve months is around 1.17%, less than MEMY's 5.23% yield.
| Position | TTM | 2025 | 2024 | 2023 |
|---|---|---|---|---|
MEMY Tuttle Capital Meme Stock Income Blast ETF | 5.23% | 0.00% | 0.00% | 0.00% |
NSI National Security Emerging Markets Index ETF | 1.17% | 1.69% | 3.39% | 0.34% |
Frequently Asked Questions
NSI and MEMY have a correlation of 0.61, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, MEMY is cheaper at 0.99% per year. The better choice depends on whether you care most about return, fees, risk, or income.
MEMY is cheaper with a 0.99% expense ratio, compared with 1.00% for NSI.
MEMY has the higher dividend yield at 5.23%, compared with 1.17% for NSI.
NSI is categorized as Emerging Markets Diversified, while MEMY is Derivative Income. Their fees differ too: 1.00% for NSI and 0.99% for MEMY.
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