---
title: "From NAV to Impact: The Hidden Cost of Exiting Funds | Resonanz Capital"
description: Why fund allocators face their own execution trade-offs between NAV risk and secondary market costs.
image: https://resonanzcapital.com/hubfs/Hidden_Costs_Eroding_Your_Product%E2%80%99s_Profitability.webp
---

![](https://resonanzcapital.com/hubfs/Hidden_Costs_Eroding_Your_Product%E2%80%99s_Profitability.webp)

**Why fund allocators face their own execution trade-offs between NAV risk and secondary market costs.**

** 4 min read | ** Oct 2, 2025

When Robert Almgren and Neil Chriss published their [seminal work on optimal portfolio liquidation](https://www.risk.net/journal-risk/2161150/optimal-execution-portfolio-transactions) in 2000, they formalized a trade-off every equity trader understands intuitively: liquidate too quickly and you’ll pay dearly in market impact; liquidate too slowly and you’re exposed to adverse price moves. While their framework was developed for stock trading, the fundamental tension they identified appears throughout finance—including in a domain where it’s rarely discussed: institutional fund allocation.

Allocators to hedge funds and private markets face a structurally similar problem, just in disguise. The mechanics differ, but the economic trade-offs are remarkably parallel.

 

#### The Allocator’s Dilemma

Consider an institutional investor who wants to exit a $100 million position in a hedge fund. Unlike stock positions, they face a peculiar choice architecture:

The Primary Market Path (Slow Execution): Redeem through the fund’s standard process. Pay zero transaction costs (trading at NAV), but accept:

- **Notice periods** (commonly 45–90 days, sometimes longer)
- **Lock-ups** that may still be in effect
- **Gates** that can limit redemption amounts (often 10–25% of AUM per quarter)
- **Side pockets** that may trap portions of the investment indefinitely

The Secondary Market Path (Fast Execution): Sell the position to another investor. Execute immediately, but accept:

- **Discounts to NAV**** **(5–15%, sometimes much more)
- **Limited liquidity** and opaque processes
- **Information asymmetry** working against the seller

This is the allocator’s version of the Almgren–Chriss trade-off. Primary redemption is the “slow” path—no explicit cost, but exposure to NAV drift and operational risk. The secondary market is the “fast” path—certainty of exit, but at a visible haircut.

 

#### Mapping the Framework

The parallels to Almgren–Chriss are striking:

| Almgren–Chriss | Fund Allocation Analog |
| --- | --- |
| Market impact | Secondary market discount to NAV |
| Timing risk | NAV volatility, strategy blowups, or gates during notice period |
| Temporary impact | Bid–ask spread in secondary market |
| Permanent impact | Structural discount for illiquidity |
| Volatility | Fund NAV volatility + operational risk |
| Trade size | Redemption amount relative to fund size |

 

The cost functions even align conceptually:

- For equities, **cost = market impact + variance of price path**.
- For allocators, **cost = secondary discount + NAV drift/operational risk during notice**.

 

#### The Allocator’s Execution Frontier

Just as traders choose between trading fast or slow, allocators face their own efficient frontier:

- **Slow execution (NAV redemption)**: No discount, but uncertainty during the notice period.
- **Fast execution (secondary sale)**: Immediate certainty, but a discount to NAV.

 

![IMG_0516](https://resonanzcapital.com/hs-fs/hubfs/IMG_0516.png?width=1418&height=1101&name=IMG_0516.png)

Source: *Resonanz Capital*

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The plot below illustrates the trade-off. Execution risk (NAV drift) increases with longer notice periods. Execution cost (discount) rises with faster exit. Neither choice is free—allocators live on this frontier.

 

#### When to Pay the Impact Cost

Risk preferences determine where an allocator should sit on the frontier. Situations where secondary sales may be rational:

- **High conviction in deterioration.**** **If the fund’s strategy has lost its edge, expected NAV decline during notice may exceed the secondary discount.
- **Regime changes.**** **In stressed markets, volatility surges and the risk of gates rises, amplifying timing risk.
- **Operational red flags.**** **If governance, valuation, or integrity issues emerge, immediacy is insurance against deeper losses.
- **Portfolio-level risks.** Reducing exposure quickly to rebalance across managers can justify paying for liquidity.
- **Gate anticipation.** If peers are likely to redeem en masse, expected delays dwarf the secondary discount.

 

By contrast, primary redemptions remain optimal when:

- Strategies are stable and risks low.
- The redemption is for rebalancing, not urgent de-risking.
- Positions are small relative to fund AUM.

 

[![Resonanz-Capital-CTA-Rating Hedge Funds Factsheet](https://hubspot-no-cache-eu1-prod.s3.amazonaws.com/cta/default/27172334/interactive-116777107953.png) ](https://resonanzcapital.com/hs/cta/wi/redirect?encryptedPayload=AVxigLKK55T5U1U6R5Brh%2BYmmOaYtQpO7ZYlcvDExm64qFGafjrUIdGskTTPQ7%2F2Qk8cpN%2FRvzShA2NMqBN8QL%2FqNaFZm73IsRT8%2B1J6Oi%2FUwMcSCkyzWZUSym275D9wxrP6cpEJqYIli2XwVU7B0IwQOznx0wZSGVMDIWdtFnmIDGEwekcHkD%2BtT62o0TCFle5Xe7tgnnF5R9D9FLIh&webInteractiveContentId=116777107953&portalId=27172334&hsLang=en)

#### Beyond Binary Choices: A Missing Market

Here the analogy highlights inefficiency. Equity markets let traders fine-tune execution speed across a spectrum—from patient limit orders to aggressive sweeps. Allocators, by contrast, face a binary world: either wait for standard redemption terms or sell at a discount in secondary markets.

That gap suggests room for innovation:

- **Redemption tranching.** Explicit “fast lanes” priced at a premium but cheaper than secondary discounts.
- **Contingent liquidity options.**** **Investors could pre-purchase rights to faster redemption during stress events.
- **Liquid share classes.**** **Higher fees for shorter notice periods, formalizing the liquidity trade-off.

These structures exist in pockets but remain rare. The execution lens shows why they should be more common.

 

#### Making the Invisible Visible

The key breakthrough of Almgren–Chriss was not discovering that execution is costly, but showing how to make those trade-offs explicit and measurable. The same insight applies to hedge fund allocation.

Allocators face hidden execution costs: NAV drift during notice, exposure to gates, and discounts in secondary sales. Framing these as execution decisions rather than operational quirks transforms how investors assess liquidity risk.

In short: execution costs exist even where spreads aren’t flashing on a screen. The question isn’t whether you pay them—it’s whether you manage them deliberately or accept them by default.

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