ISWN vs. NTSX

Last updated Jun 23, 2026

ISWN (Amplify BlackSwan ISWN ETF) and NTSX (WisdomTree U.S. Efficient Core Fund) are both exchange-traded funds - ISWN is a Options Trading fund tracking the S-Network International BlackSwan, while NTSX is a Diversified Portfolio fund actively managed by WisdomTree. ISWN is passively managed, while NTSX is actively managed. Over the past 5 years, ISWN returned 0.14%/yr vs 9.12%/yr for NTSX. A 0.65 correlation means they provide meaningful diversification when combined. ISWN charges 0.49%/yr vs 0.20%/yr for NTSX.

Performance

ISWN vs. NTSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Amplify BlackSwan ISWN ETF (ISWN) and WisdomTree U.S. Efficient Core Fund (NTSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ISWN achieves a 5.44% return, which is significantly lower than NTSX's 7.41% return.

ISWN

• 1D: -0.19%
• 1M: 1.65%
• YTD: 5.44%
• 6M: 5.63%
• 1Y: 14.94%
• 3Y*: 8.86%
• 5Y*: 0.14%
• 10Y*: —

NTSX

• 1D: -0.82%
• 1M: 0.02%
• YTD: 7.41%
• 6M: 6.67%
• 1Y: 23.36%
• 3Y*: 18.59%
• 5Y*: 9.12%
• 10Y*: —

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

ISWN vs. NTSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
ISWN Amplify BlackSwan ISWN ETF	5.44%	23.23%	-3.96%	8.19%	-24.93%	0.23%
NTSX WisdomTree U.S. Efficient Core Fund	7.41%	18.82%	20.20%	22.70%	-25.84%	19.82%

Correlation

The correlation between ISWN and NTSX 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 (3Y) Calculated over the trailing 3-year period	0.66
Correlation (5Y) Calculated over the trailing 5-year period	0.64
Correlation (All Time) Calculated using the full available price history since Jan 26, 2021	0.65

The correlation between ISWN and NTSX has been stable across timeframes, ranging from 0.64 to 0.72 - a consistent structural relationship.

Return for Risk

ISWN vs. NTSX — Risk / Return Rank

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

ISWN

ISWN Risk / Return Rank: 34
ISWN Sharpe Ratio Rank: 34
ISWN Sortino Ratio Rank: 34
ISWN Omega Ratio Rank: 33
ISWN Calmar Ratio Rank: 32
ISWN Martin Ratio Rank: 35

NTSX

NTSX Risk / Return Rank: 55
NTSX Sharpe Ratio Rank: 55
NTSX Sortino Ratio Rank: 51
NTSX Omega Ratio Rank: 53
NTSX Calmar Ratio Rank: 53
NTSX Martin Ratio Rank: 62

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.

ISWN vs. NTSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Amplify BlackSwan ISWN ETF (ISWN) and WisdomTree U.S. Efficient Core Fund (NTSX). 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.

	ISWN	NTSX	Difference
Sharpe ratio: Return per unit of total volatility	1.18	1.79	-0.61
Sortino ratio: Return per unit of downside risk	1.72	2.43	-0.71
Omega ratio: Gain probability vs. loss probability	1.22	1.32	-0.10
Calmar ratio: Return relative to maximum drawdown	1.56	2.56	-1.00
Martin ratio: Return relative to average drawdown	5.05	10.96	-5.92

ISWN vs. NTSX - Sharpe Ratio Comparison

The current ISWN Sharpe Ratio is 1.18, which is lower than the NTSX Sharpe Ratio of 1.79. The chart below compares the historical Sharpe Ratios of ISWN and NTSX, 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

ISWN vs. NTSX - Drawdown Comparison

The maximum ISWN drawdown since its inception was -32.35%, roughly equal to the maximum NTSX drawdown of -31.34%. Use the drawdown chart below to compare losses from any high point for ISWN and NTSX.

Drawdown Indicators

	ISWN	NTSX	Difference
Max Drawdown Largest peak-to-trough decline	-32.35%	-31.34%	-1.01%
Max Drawdown (1Y) Largest decline over 1 year	-9.63%	-9.16%	-0.47%
Max Drawdown (3Y) Largest decline over 3 years	-13.77%	-16.82%	+3.05%
Max Drawdown (5Y) Largest decline over 5 years	-32.35%	-31.34%	-1.01%
Current Drawdown Current decline from peak	-2.97%	-2.15%	-0.82%
Average Drawdown Average peak-to-trough decline	-16.06%	-6.76%	-9.30%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.97%	2.14%	+0.83%

Volatility

ISWN vs. NTSX - Volatility Comparison

The current volatility for Amplify BlackSwan ISWN ETF (ISWN) is 4.49%, while WisdomTree U.S. Efficient Core Fund (NTSX) has a volatility of 5.19%. This indicates that ISWN experiences smaller price fluctuations and is considered to be less risky than NTSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ISWN	NTSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.49%	5.19%	-0.70%
Volatility (6M) Calculated over the trailing 6-month period	10.78%	10.54%	+0.24%
Volatility (1Y) Calculated over the trailing 1-year period	12.71%	13.12%	-0.41%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.81%	17.16%	-5.35%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.66%	18.30%	-6.64%

ISWN vs. NTSX - Expense Ratio Comparison

ISWN has a 0.49% expense ratio, which is higher than NTSX's 0.20% expense ratio.

Dividends

ISWN vs. NTSX - Dividend Comparison

ISWN's dividend yield for the trailing twelve months is around 2.79%, more than NTSX's 1.09% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
ISWN Amplify BlackSwan ISWN ETF	2.79%	2.89%	3.27%	2.91%	2.00%	0.76%	0.00%	0.00%	0.00%
NTSX WisdomTree U.S. Efficient Core Fund	1.09%	1.14%	1.14%	1.21%	1.36%	0.82%	0.92%	1.42%	0.62%

Frequently Asked Questions

Can I hold both ISWN and NTSX in my portfolio?

ISWN and NTSX 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.

Which is riskier, ISWN or NTSX?

NTSX has higher volatility (5.19%) compared to ISWN (4.49%). In terms of maximum drawdown, ISWN dropped -32.35% vs NTSX's -31.34%.

Which ETF is better, ISWN or NTSX?

On 5-year performance, NTSX leads with 9.12% vs 0.14% for ISWN. On fees, NTSX is cheaper at 0.20% per year. On volatility, ISWN has been the lower-risk option at 4.49%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ISWN or NTSX?

Over the 5-year period, NTSX has performed better with a 9.12% return vs 0.14%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ISWN or NTSX?

NTSX is cheaper with a 0.20% expense ratio, compared with 0.49% for ISWN.

Which ETF pays a higher dividend yield, ISWN or NTSX?

ISWN has the higher dividend yield at 2.79%, compared with 1.09% for NTSX.

What is the main difference between ISWN and NTSX?

ISWN is categorized as Options Trading, while NTSX is Diversified Portfolio. They also come from different issuers: Amplify and WisdomTree. Their fees differ too: 0.49% for ISWN and 0.20% for NTSX.

Which has better risk-adjusted returns?

NTSX currently has the higher Sharpe Ratio (1.79 vs 1.18), 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.