NTSX vs. NTSI

Last updated Apr 3, 2026

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

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

Performance

NTSX vs. NTSI - Performance Comparison

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

NTSX vs. NTSI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
NTSX WisdomTree U.S. Efficient Core Fund	-3.80%	18.82%	20.20%	22.70%	-25.84%	14.23%
NTSI WisdomTree International Efficient Core Fund	0.79%	30.37%	1.11%	15.42%	-19.27%	1.76%

Returns By Period

In the year-to-date period, NTSX achieves a -3.80% return, which is significantly lower than NTSI's 0.79% return.

NTSX

• 1D: 0.44%
• 1M: -3.79%
• YTD: -3.80%
• 6M: -2.16%
• 1Y: 16.12%
• 3Y*: 15.66%
• 5Y*: 8.16%
• 10Y*: —

NTSI

• 1D: -0.74%
• 1M: -2.91%
• YTD: 0.79%
• 6M: 4.35%
• 1Y: 20.88%
• 3Y*: 11.71%
• 5Y*: —
• 10Y*: —

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

NTSX vs. NTSI - Expense Ratio Comparison

NTSX has a 0.20% expense ratio, which is lower than NTSI's 0.26% expense ratio. Despite the difference, 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

NTSX vs. NTSI — Risk / Return Rank

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

NTSX

NTSX Risk / Return Rank: 48
NTSX Sharpe Ratio Rank: 44
NTSX Sortino Ratio Rank: 43
NTSX Omega Ratio Rank: 49
NTSX Calmar Ratio Rank: 50
NTSX Martin Ratio Rank: 56

NTSI

NTSI Risk / Return Rank: 62
NTSI Sharpe Ratio Rank: 67
NTSI Sortino Ratio Rank: 65
NTSI Omega Ratio Rank: 61
NTSI Calmar Ratio Rank: 57
NTSI Martin Ratio Rank: 58

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.

NTSX vs. NTSI - Risk-Adjusted Trends Comparison

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

	NTSX	NTSI	Difference
Sharpe ratio Return per unit of total volatility	0.88	1.26	-0.38
Sortino ratio Return per unit of downside risk	1.29	1.75	-0.45
Omega ratio Gain probability vs. loss probability	1.20	1.24	-0.04
Calmar ratio Return relative to maximum drawdown	1.51	1.71	-0.20
Martin ratio Return relative to average drawdown	6.39	6.71	-0.32
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NTSX vs. NTSI - Sharpe Ratio Comparison

The current NTSX Sharpe Ratio is 0.88, which is lower than the NTSI Sharpe Ratio of 1.26. The chart below compares the historical Sharpe Ratios of NTSX and NTSI, 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

	NTSX	NTSI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.88	1.26	-0.38
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.48	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.63	0.31	+0.31

Correlation

The correlation between NTSX and NTSI 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

NTSX vs. NTSI - Dividend Comparison

NTSX's dividend yield for the trailing twelve months is around 1.21%, less than NTSI's 3.73% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018
NTSX WisdomTree U.S. Efficient Core Fund	1.21%	1.14%	1.14%	1.21%	1.36%	0.82%	0.92%	1.42%	0.62%
NTSI WisdomTree International Efficient Core Fund	3.73%	3.65%	2.92%	2.35%	2.66%	0.97%	0.00%	0.00%	0.00%

Drawdowns

NTSX vs. NTSI - Drawdown Comparison

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

Drawdown Indicators

	NTSX	NTSI	Difference
Max Drawdown Largest peak-to-trough decline	-31.34%	-34.01%	+2.67%
Max Drawdown (1Y) Largest decline over 1 year	-9.16%	-12.33%	+3.17%
Max Drawdown (5Y) Largest decline over 5 years	-31.34%	—	—
Current Drawdown Current decline from peak	-5.63%	-8.19%	+2.56%
Average Drawdown Average peak-to-trough decline	-6.92%	-9.36%	+2.44%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.62%	3.14%	-0.52%

Volatility

NTSX vs. NTSI - Volatility Comparison

The current volatility for WisdomTree U.S. Efficient Core Fund (NTSX) is 6.11%, while WisdomTree International Efficient Core Fund (NTSI) has a volatility of 7.61%. This indicates that NTSX experiences smaller price fluctuations and is considered to be less risky than NTSI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NTSX	NTSI	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.11%	7.61%	-1.50%
Volatility (6M) Calculated over the trailing 6-month period	9.65%	11.32%	-1.67%
Volatility (1Y) Calculated over the trailing 1-year period	18.38%	16.64%	+1.74%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.03%	15.56%	+1.47%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.38%	15.56%	+2.82%