NTSI vs. NTSX

Last updated Apr 2, 2026

Compare and contrast key facts about WisdomTree International Efficient Core Fund (NTSI) and WisdomTree U.S. Efficient Core Fund (NTSX).

NTSI and NTSX are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. NTSI is an actively managed fund by WisdomTree. It was launched on May 18, 2021. NTSX is an actively managed fund by WisdomTree. It was launched on Aug 2, 2018.

Performance

NTSI vs. NTSX - Performance Comparison

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

NTSI vs. NTSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
NTSI WisdomTree International Efficient Core Fund	1.54%	30.37%	1.11%	15.42%	-19.27%	1.76%
NTSX WisdomTree U.S. Efficient Core Fund	-4.22%	18.82%	20.20%	22.70%	-25.84%	14.23%

Returns By Period

In the year-to-date period, NTSI achieves a 1.54% return, which is significantly higher than NTSX's -4.22% return.

NTSI

• 1D: 1.34%
• 1M: -5.13%
• YTD: 1.54%
• 6M: 5.18%
• 1Y: 21.96%
• 3Y*: 12.37%
• 5Y*: —
• 10Y*: —

NTSX

• 1D: 0.38%
• 1M: -5.07%
• YTD: -4.22%
• 6M: -2.82%
• 1Y: 16.25%
• 3Y*: 15.70%
• 5Y*: 8.07%
• 10Y*: —

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

NTSI vs. NTSX - Expense Ratio Comparison

NTSI has a 0.26% expense ratio, which is higher than NTSX's 0.20% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

NTSI

WisdomTree International Efficient Core Fund

NTSX

WisdomTree U.S. Efficient Core Fund

Return for Risk

NTSI vs. NTSX — Risk / Return Rank

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

NTSI

NTSI Risk / Return Rank: 68
NTSI Sharpe Ratio Rank: 72
NTSI Sortino Ratio Rank: 70
NTSI Omega Ratio Rank: 66
NTSI Calmar Ratio Rank: 66
NTSI Martin Ratio Rank: 67

NTSX

NTSX Risk / Return Rank: 53
NTSX Sharpe Ratio Rank: 46
NTSX Sortino Ratio Rank: 45
NTSX Omega Ratio Rank: 51
NTSX Calmar Ratio Rank: 58
NTSX Martin Ratio Rank: 63

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.

NTSI vs. NTSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for WisdomTree International Efficient Core Fund (NTSI) 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.

	NTSI	NTSX	Difference
Sharpe ratio Return per unit of total volatility	1.33	0.89	+0.44
Sortino ratio Return per unit of downside risk	1.83	1.30	+0.53
Omega ratio Gain probability vs. loss probability	1.25	1.20	+0.05
Calmar ratio Return relative to maximum drawdown	1.79	1.52	+0.27
Martin ratio Return relative to average drawdown	7.12	6.52	+0.61
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NTSI vs. NTSX - Sharpe Ratio Comparison

The current NTSI Sharpe Ratio is 1.33, which is higher than the NTSX Sharpe Ratio of 0.89. The chart below compares the historical Sharpe Ratios of NTSI and NTSX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	NTSI	NTSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.33	0.89	+0.44
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.48	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.32	0.62	-0.30

Correlation

The correlation between NTSI and NTSX is 0.73, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

NTSI vs. NTSX - Dividend Comparison

NTSI's dividend yield for the trailing twelve months is around 3.70%, more than NTSX's 1.22% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018
NTSI WisdomTree International Efficient Core Fund	3.70%	3.65%	2.92%	2.35%	2.66%	0.97%	0.00%	0.00%	0.00%
NTSX WisdomTree U.S. Efficient Core Fund	1.22%	1.14%	1.14%	1.21%	1.36%	0.82%	0.92%	1.42%	0.62%

Drawdowns

NTSI vs. NTSX - Drawdown Comparison

The maximum NTSI drawdown since its inception was -34.01%, which is greater than NTSX's maximum drawdown of -31.34%. Use the drawdown chart below to compare losses from any high point for NTSI and NTSX.

Drawdown Indicators

	NTSI	NTSX	Difference
Max Drawdown Largest peak-to-trough decline	-34.01%	-31.34%	-2.67%
Max Drawdown (1Y) Largest decline over 1 year	-12.33%	-11.13%	-1.20%
Max Drawdown (5Y) Largest decline over 5 years	—	-31.34%	—
Current Drawdown Current decline from peak	-7.50%	-6.04%	-1.46%
Average Drawdown Average peak-to-trough decline	-9.36%	-6.92%	-2.44%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.10%	2.60%	+0.50%

Volatility

NTSI vs. NTSX - Volatility Comparison

WisdomTree International Efficient Core Fund (NTSI) has a higher volatility of 7.69% compared to WisdomTree U.S. Efficient Core Fund (NTSX) at 6.11%. This indicates that NTSI's price experiences larger fluctuations and is considered to be riskier than NTSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NTSI	NTSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.69%	6.11%	+1.58%
Volatility (6M) Calculated over the trailing 6-month period	11.35%	9.65%	+1.70%
Volatility (1Y) Calculated over the trailing 1-year period	16.62%	18.38%	-1.76%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.56%	17.04%	-1.48%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.56%	18.38%	-2.82%