WisdomTree U.S. Efficient Core Fund (NTSX) Covered Calls

The WisdomTree U.S. Efficient Core Fund is an exchange-traded fund that provides leveraged exposure to a traditional 60/40 balanced portfolio. By investing 90% of its assets in large-cap U.S. equities and using the remaining capital as collateral for laddered Treasury futures, the fund achieves a 1.5x notional exposure (90% stocks/60% bonds). This "efficient core" strategy is designed to enhance capital efficiency and potentially deliver higher returns with lower volatility.

You can sell covered calls on WisdomTree U.S. Efficient Core Fund to lower risk and earn monthly income. Born To Sell's covered call screener gives you customized search capabilities across all possible covered calls but here are a couple of examples for NTSX (prices last updated Mon 4:16 PM ET):

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The WisdomTree U.S. Efficient Core Fund (NTSX) is a unique, capital-efficient ETF designed to provide a leveraged version of the classic balanced portfolio. The fund utilizes a 90/60 structure, meaning for every dollar invested, the fund provides approximately $0.90 of exposure to large-cap U.S. equities (tracking the S&P 500 Index) and $0.60 of notional exposure to a ladder of U.S. Treasury futures (maturities ranging from 2 to 30 years). This approach allows investors to capture the diversification benefits of bonds without sacrificing the potential returns of a full equity allocation.

By using futures contracts to gain fixed-income exposure, NTSX frees up capital that can remain invested in the equity market. This results in a portfolio that is 150% long relative to its net assets. The strategy is built on the principle of modern portfolio theory, aiming to improve the risk-adjusted return profile (Sharpe ratio) by magnifying the exposure of a diversified asset mix rather than concentrating risk in a single asset class. The fund is often used by investors as a "core" holding to replace traditional 60/40 allocations or to free up "dry powder" for other satellite investments.

Competitive Landscape

NTSX competes within the growing category of "Return Stacking" and leveraged multi-asset ETFs. Its primary competitors include funds that use similar capital-efficient techniques, such as Amplify BlackSwan Growth & Treasury Core ETF and RPAR Risk Parity ETF. While many balanced funds exist, NTSX is distinguished by its specific 1.5x leverage ratio and its focus on tax efficiency by primarily using futures rather than physical bonds, which minimizes interest income distributions.

In the broader market of balanced solutions, the fund also competes with non-leveraged traditional giants like SPDR S&P 500 ETF Trust and Vanguard Total Bond Market ETF for investors who might manually construct their own leveraged overlays. Other notable peers in the active multi-asset space include iShares Core Allocation ETFs and specialized leveraged equity products like ProShares Ultra S&P 500, although these typically carry much higher expense ratios and different risk profiles than WisdomTree’s "efficient core" approach.

Strategic Outlook and Innovation

The fund’s strategy is particularly relevant in the 2026 market environment, where investors are increasingly looking for ways to hedge against equity volatility while maintaining growth exposure. WisdomTree continues to innovate within this "Efficient Core" family, recently expanding the suite to include international (NTSI) and emerging market (NTSE) versions. These funds allow for a globally diversified, capital-efficient "Return Stacked" portfolio that can be managed across different geographical regions with a consistent leverage methodology.

A key focus for management in the coming year is the optimization of the Treasury futures ladder to navigate the shifting yield curve. By dynamically managing the duration of the 60% bond portion, the fund aims to mitigate interest rate risk during periods of high inflation while capturing the "flight to quality" benefits of Treasuries during equity drawdowns. Additionally, the fund is being positioned as a core building block for "portable alpha" strategies, where the capital freed up by NTSX’s efficiency is deployed into uncorrelated alternative assets like trend-following or long-short equity strategies.

Want more examples? NTRS Covered Calls | NTWK Covered Calls