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Interval Fund

An interval fund is a closed-end mutual fund (or interval company) that restricts redemptions to specific periods — typically quarterly or semi-annually. Shareholders can only exit during redemption windows, accepting illiquidity in exchange for higher yields. Interval funds occupy a middle ground between open-end funds (which redeem daily) and closed-end funds (which never redeem).

This entry covers interval funds structurally. For broader fund structures, see closed-end fund and open-end fund.

How interval funds work

An interval fund operates as a closed-end structure but offers periodic liquidity:

Normal operation. The fund is closed to redemptions; you cannot sell your shares.

Redemption window. Quarterly or semi-annually, the fund opens a redemption window lasting 2–4 weeks. Shareholders can redeem up to 5–25% of the fund’s assets per window.

Pricing. Shares redeem at NAV, not at a market price. This protects against discounts.

Investment. Between redemption windows, the fund invests in illiquid assets (private credit loans, distressed debt, real estate, etc.) that would be impossible to trade daily.

Why interval funds exist

Interval funds serve investors who want:

Higher yields. By holding illiquid assets (which offer higher yields due to lower liquidity), interval funds can yield 8–12% vs. 4–5% for bond ETFs.

Controlled liquidity. Unlike closed-end funds (which never redeem), interval funds offer periodic exit opportunities.

Stability. By restricting redemptions, the fund avoids the “forced sales at bad prices” problem that open-end funds face during redemption rushes.

Risks specific to interval funds

Redemption timing. If you need cash between redemption windows, you are stuck. You cannot access your money for weeks or months.

Overage and deferral. If redemption requests exceed the 5–25% limit, the fund can defer redemptions to the next window. You might wait 6+ months to exit.

Illiquid holdings. The fund’s underlying assets are illiquid, making NAV calculation difficult. True NAV is uncertain.

Expense ratio drag. Interval funds charge 1.0–2.0%, well above ETFs. This drag accumulates.

Liquidity preference. During financial stress, redemption requests spike. The fund may defer redemptions or restrict the redemption percentage to 5% (instead of the normal 25%), trapping you longer.

Performance track record

Interval funds have performed adequately in normal times but have suffered during crises:

  • Normal periods. Yield 8–12%, meeting expectations.
  • 2020 COVID crash. Many interval funds suspended redemptions or deferred them, leaving investors locked in.

The lesson: interval funds trade liquidity for yield, but the liquidity is more limited than advertised.

Comparison to alternatives

Fund TypeLiquidityYieldExpense ratioRisk
Bond ETFDaily4–5%0.03–0.20%Low
High-yield ETFDaily6–7%0.30–0.50%Moderate
Interval fundQuarterly8–12%1.0–2.0%High
Closed-end fundNever (exchange trade)7–10%0.50–1.50%High

Interval funds are suitable only for investors who can afford to lock up capital for 3–5 years.

Who should consider interval funds

Interval funds are suitable for:

  • Retirees with adequate income. Who do not need access to the funds they allocate here.
  • Income seekers. Who want high yields and can tolerate illiquidity.
  • Accredited investors. Many interval funds are unregistered and require accredited status.

They are NOT suitable for:

  • Anyone needing liquid assets. Emergency funds, near-term expenses.
  • Inexperienced investors. The complexity and illiquidity are not beginner-friendly.

See also

Wider context