NSI vs. MEMY

Last updated Jun 24, 2026

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 0.65 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

The chart below illustrates the hypothetical performance of a $10,000 investment in National Security Emerging Markets Index ETF (NSI) and Tuttle Capital Meme Stock Income Blast ETF (MEMY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

NSI

• 1D: -3.73%
• 1M: -0.13%
• YTD: 12.82%
• 6M: 13.56%
• 1Y: 34.20%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MEMY

• 1D: -3.21%
• 1M: -7.80%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

NSI vs. MEMY - Yearly Performance Comparison

	2026 (YTD)
NSI National Security Emerging Markets Index ETF	6.57%
MEMY Tuttle Capital Meme Stock Income Blast ETF	-6.17%

Correlation

The correlation between NSI and MEMY is 0.65, 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 20, 2026	0.65

Return for Risk

NSI vs. MEMY — Risk / Return Rank

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

NSI

NSI Risk / Return Rank: 54
NSI Sharpe Ratio Rank: 54
NSI Sortino Ratio Rank: 51
NSI Omega Ratio Rank: 54
NSI Calmar Ratio Rank: 55
NSI Martin Ratio Rank: 55

MEMY

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

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.

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.

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.

	NSI	MEMY	Difference
Sharpe ratio: Return per unit of total volatility	1.71	—	—
Sortino ratio: Return per unit of downside risk	2.32	—	—
Omega ratio: Gain probability vs. loss probability	1.31	—	—
Calmar ratio: Return relative to maximum drawdown	2.51	—	—
Martin ratio: Return relative to average drawdown	8.95	—	—

Drawdowns

NSI vs. MEMY - Drawdown Comparison

The maximum NSI drawdown since its inception was -18.77%, smaller than the maximum MEMY drawdown of -27.45%. Use the drawdown chart below to compare losses from any high point for NSI and MEMY.

Drawdown Indicators

	NSI	MEMY	Difference
Max Drawdown Largest peak-to-trough decline	-18.77%	-27.45%	+8.68%
Max Drawdown (1Y) Largest decline over 1 year	-13.66%	—	—
Current Drawdown Current decline from peak	-5.47%	-15.67%	+10.20%
Average Drawdown Average peak-to-trough decline	-3.66%	-13.19%	+9.53%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.83%	—	—

Volatility

Volatility by Period

	NSI	MEMY	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.61%	—	—
Volatility (6M) Calculated over the trailing 6-month period	17.60%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	20.16%	54.02%	-33.86%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.78%	54.02%	-35.24%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.78%	54.02%	-35.24%

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 1.22%, less than MEMY's 7.02% yield.

Position	TTM	2025	2024	2023
MEMY Tuttle Capital Meme Stock Income Blast ETF	7.02%	0.00%	0.00%	0.00%
NSI National Security Emerging Markets Index ETF	1.22%	1.69%	3.39%	0.34%

Frequently Asked Questions

Can I hold both NSI and MEMY in my portfolio?

NSI and MEMY have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, NSI or MEMY?

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.

Which ETF is cheaper, NSI or MEMY?

MEMY is cheaper with a 0.99% expense ratio, compared with 1.00% for NSI.

Which ETF pays a higher dividend yield, NSI or MEMY?

MEMY has the higher dividend yield at 7.02%, compared with 1.22% for NSI.

What is the main difference between NSI and MEMY?

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.