AllianzIM U.S. Large Cap Buffer10 May ETF (MAYT)

The AllianzIM U.S. Large Cap Buffer10 May ETF (MAYT) is a rules-based fund that wraps US large-cap equity exposure inside a structured outcome: each May, it resets with a 10% downside buffer (absorbing the first 10% of annual losses) and a cap on upside gains. The fund appeals to institutional and individual investors who prioritize steady performance over maximum upside.

Ticker	MAYT (NASDAQ)
Underlying index	US large-cap equities
Fund family	AllianzIM (Allianz Investment Management)
Buffer level	10% (reset annually in May)
Upside structure	Capped; typically 9–12% depending on conditions
Reset frequency	Annual (each May)
Investment model	Derivatives-based synthetic exposure
Typical investors	Conservative equity seekers; institutions focused on downside control

The core idea: gentle equity with guardrails

MAYT is designed for investors who want US large-cap stock market exposure but do not want the full amplitude of equity volatility. Rather than owning a plain index fund, the structure trades some upside for downside cushioning. In a year when large caps fall 15%, MAYT investors lose 5% (the 10% buffer absorbs the first 10 percentage points). In a year when large caps rise 20%, MAYT investors might capture only 10% or 12%, depending on where the cap was set.

The fund does not hold individual stocks directly; instead, it reconstructs the US large-cap market using derivatives — primarily options on equity indices. This approach allows AllianzIM to embed the buffer and cap within a single continuous product, resetting the terms once per year.

How the buffer and cap are set

At each May reset, AllianzIM calculates the year’s protection and upside limit based on current market conditions. The buffer is fixed: 10% downside protection. The cap — the maximum upside the fund will capture — is variable, derived from the cost of the options strategy required to deliver the buffer.

In an environment of low volatility (when options are cheap), the fund can offer a higher cap — perhaps 11% or 12%. When volatility is elevated (when options cost more), the cap is lower — perhaps 9% or 10%. This is the fundamental economics of options: protection has a cost, and if you want a high level of downside cushioning, you must pay for it, usually by surrendering some upside.

The cap is locked in for the full 12 months. If the market explodes higher and volatility collapses, the cap does not adjust. Conversely, if volatility spikes and returns tank, the buffer does not increase — it stays at 10%.

What the fund actually holds

MAYT does not hold all the stocks in the US large-cap universe. AllianzIM likely holds a representative sample — the largest 100 to 200 constituents of the Russell 1000 or a similar large-cap index — plus a dynamic options overlay (put spreads or similar structures) that provides the 10% downside floor and caps the upside.

The use of derivatives means the fund’s holdings list does not perfectly mirror the market. There is a small amount of basis risk: the sample stocks plus the options strategy will not track the true US large-cap market perfectly, even in the absence of the buffer and cap. This tracking error is usually modest (less than 0.5% per year) but not zero.

Costs and liquidity

MAYT charges an annual expense ratio typical for a structured-outcome ETF — likely in the 0.30% to 0.50% range. This covers the fund’s management, the cost of the derivatives overlay, and the rebalancing required to maintain the buffer and cap.

The fund is liquid, trading on the NASDAQ throughout the day with reasonably tight spreads, because market makers can hedge their exposure in the underlying stocks and equity options markets. Assets under management and trading volume are solid enough that retail and institutional investors can enter and exit without friction.

Risks and what to understand

The 10% buffer is reset annually. An investor who holds MAYT for 10 years experiences 10 separate one-year buffers — not a single 10% downside protection for the entire period. If the market falls 15% in year 1, 10% in year 2, and 8% in year 3, the investor is protected in years 1 and 2 but exposed fully to the year-3 decline.

The cap is equally temporary. Upside is capped within each 12-month period; on reset day in May, the cap resets. An investor who has captured 9% by late April and sees a 20% rally between April 20 and May 20 will have captured the 9% and then started fresh, perhaps with a lower or higher cap depending on June’s volatility environment.

Over long periods, the capped upside can become a material drag. If US large-cap equities return an average of 10% per year, but MAYT’s annual cap averages 11%, the fund is losing 1 percentage point of annual return to the upside cap. Over 30 years, that compounds into substantially lower wealth.

The fund is also not suitable for investors with volatile trading patterns. Each purchase and sale resets the investor’s relationship with the buffer and cap. Frequent traders will realize some resets at bad times and miss others at good times.

Who this fund serves

MAYT is well-matched to:

Retired investors or others living off portfolio returns, who want to reduce the amplitude of annual changes.
Conservative institutions (pension funds, endowments) seeking equity upside with a floor for planning purposes.
Investors who have underperformed in past bear markets and want a behavioral aid — a guarantee that they will not lose more than 10% in any given year.
Portfolios where MAYT serves as a “core equity with guardrails” position, alongside bonds or cash.

MAYT is poorly matched to:

Young, accumulating investors with decades until retirement and the ability to tolerate volatility.
Index investors who accept full market returns and can stay the course during downturns.
Investors with very low fee tolerance, for whom 0.40% annual costs are material.

How to research MAYT

The fund’s prospectus and monthly fact sheet (available from AllianzIM and the fund’s NASDAQ page) lay out the exact buffer level, the current cap, the underlying holdings, and the fee structure. Read these first.

Review the fund’s rolling performance against the Russell 1000 or other US large-cap benchmarks over the past three to five May reset cycles. Observe how the cap behaved in both calm and volatile years. Check whether the fund has successfully delivered on its promise of the 10% buffer in down years, and whether the cap’s level has been consistent or volatile.

Look at the fund’s holdings concentration. If AllianzIM holds only 50 stocks but the large-cap market has 500+, the fund’s tracking error will be larger. Compare this against the fund’s stated mandate and reported tracking error figures.

Finally, understand that MAYT is a derivative product. Its performance depends on how well AllianzIM’s risk management has maintained the buffer and cap, not on the inherent quality of the underlying stocks. The fund is a service provided by a manager, not a passive passthrough; that manager’s execution matters.