The U.S. Treasury on Thursday released proposed rules clarifying which investments would be allowed inside new, tax-deferred savings accounts for children, known as Trump Accounts or 530A accounts. The guidance narrows eligible options to simple, low-cost funds—decisions that could materially affect how much money these accounts hold when children reach adulthood.
The Treasury says the rules are meant to steer families toward long-term growth rather than higher-fee products that erode returns over decades. Officials argue the move prioritizes transparency and lower costs as these accounts roll out nationwide.
What the proposal would allow
Under the draft guidance, an index used inside a Trump Account must primarily track a broad slice of the U.S. or global equity market and be constructed using objective, financial criteria. The Treasury also proposes caps on expense ratios and other technical requirements designed to limit more complex or actively managed options.

In plain terms, that means most eligible choices would be passively managed ETFs that aim to mirror broad market performance rather than beat it.
Bank of New York Mellon has been named the initial manager for the newly created accounts, and the guidance is written to apply to any future custodians families might select if they move their accounts.
Default and permitted investments
Treasury officials previously signaled that the State Street SPDR Portfolio S&P 500 ETF would serve as the program’s default investment. The proposed rules list the following funds among the permitted options:

- SPYM — State Street SPDR Portfolio S&P 500 ETF (default)
- IVV — iShares Core S&P 500 ETF
- VTI — Vanguard Total Stock Market ETF
- SPTM — State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF
- ITOT — iShares Core S&P Total U.S. Stock Market ETF
Each of these funds tracks a broad equity benchmark and is known for relatively low fees, consistent with the Treasury’s emphasis on reducing costs for long-horizon savers.
Officials framed the policy as a way to ensure a larger portion of investment returns remain in young savers’ accounts rather than being lost to fees. The department’s announcement said the proposed approach is intended to maximize the benefit of compounding over many years.
Practical effects for families
Small differences in annual expense ratios matter more the longer money stays invested. Over multiple decades, even a fraction of a percentage point can translate into thousands of dollars’ difference at withdrawal.
The accounts will be paired with a mobile app built in partnership with Robinhood, where families can monitor activity and balances. Robinhood CEO Vlad Tenev commented that starting with a diversified portfolio of large, well-known companies has proven to be an effective default for new savers.
The proposal is open for public comment before any final rules are adopted, so the list of qualifying investments and specific cost limits could change. Policymakers say the next steps will consider feedback from fiduciaries, fund managers and families who plan to use the accounts.
At stake is how much of a child’s long-term nest egg is preserved for future use. The Treasury’s draft seeks to limit frictional costs and complexity, but critics may press for broader options or safeguards before the program is finalized.
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