The Illiquidity Premium: Why Do Non-Listed Assets Offer Higher Target Returns?

Browse any set of non-listed products — private credit, Pre-IPO funds, private bonds — and a pattern shows up quickly: the target returns are usually higher than what comparable public-market products show. It is tempting to read that as "private assets are simply better." That reading is wrong, and understanding why is one of the most useful things a new RWA reader can learn.

The higher target reflects something called the illiquidity premium: the extra return investors demand as compensation for giving up the ability to exit. It is payment for a real cost, not free money. That has a direct consequence for how you should read product pages — a higher target return generally signals more constraint and more uncertainty, not a superior product. And the premium is a target, not a promise: in bad outcomes it fails to materialize at all. This article walks through the concept, what the premium compensates for, and where it breaks.

What Is the Illiquidity Premium?

Liquidity is the ability to convert an asset into cash quickly, at a predictable price. A large-cap public stock is highly liquid: you can usually sell within seconds at a visible market price. A stake in a private fund, a private bond, or Pre-IPO shares is not. There may be no market to sell into, a lock-up that forbids selling, or a buyer who only appears at a steep discount.

Investors treat that difference as a cost, and they demand to be paid for it. The illiquidity premium is the additional expected return, above what a comparable liquid asset would offer, that compensates the holder for tying capital up without a reliable exit.

The idea is one of the older results in finance research. Amihud and Mendelson showed in 1986 that assets that are more expensive to trade tend to price at levels that imply higher expected returns — investors pay less upfront for assets they cannot easily sell, which mechanically raises the return they expect for holding them. The same logic extends from hard-to-trade stocks to assets with no public market at all.

One caveat is worth flagging early: researchers debate how large and how reliable the premium really is in private markets. AQR's Cliff Asness has argued that some investors may even accept a lower return for illiquidity because infrequent pricing hides volatility and makes holdings look smoother than they are. You do not need to settle that debate to use the concept. The practical point stands either way: when a non-listed product targets a higher return, the illiquidity is part of the price you pay for it — never a bonus on top.

What the Extra Return Is Paying You For

"Compensation for illiquidity" sounds abstract. It becomes concrete when you list what the holder of a non-listed asset actually gives up. The premium is payment for at least three distinct costs.

No exit on demand. Money committed to a multi-year private product cannot be used for anything else during the term. If a better opportunity appears, if your circumstances change, or if you simply change your mind, the capital stays where it is. Economists call this opportunity cost and flexibility cost; a holder of a liquid asset pays neither.

Uncertainty about when and how the money comes back. Many non-listed products return capital through an event — a maturity date, an IPO, an acquisition, a refinancing. Events can be delayed or fail to happen. The stated term is often an estimate built around an exit that is not guaranteed to occur on schedule. Holding that timing risk is work, and the premium is partly wages for it.

Information risk. Public markets force continuous disclosure and continuous pricing; thousands of participants scrutinize every filing. Private assets are valued infrequently, by fewer parties, using models and judgment. The holder bears the risk that the reported value is stale or optimistic, and that problems surface late. Part of the premium compensates for operating with less information than a public-market investor gets for free.

Notice what all three have in common: they are costs the investor genuinely bears. The extra target return is not the market being generous. It is the market charging a fair-looking price for real inconvenience and real risk — and whether the price turns out to be fair depends on the outcome, which is not known in advance.

Why a Higher Target Return Signals More Constraint, Not a Better Product

Here is where the concept changes how you read a product page. If extra return is compensation for illiquidity and uncertainty, then a higher target return is evidence of more illiquidity and more uncertainty. The number is not a quality score. It is closer to a difficulty rating.

Compare two hypothetical products — the figures are illustrative examples, not real offers:

Read this way, the return column stops being the interesting one. The interesting columns are exit, pricing, and risk — because they explain the return column. Two products showing the same target return can carry very different amounts of constraint, and the one with the harder exit is the more demanding product, not the better deal.

This is the same conclusion, reached from a different direction, as the general rule that you should never judge an RWA product by its expected return alone. The illiquidity premium gives that rule an economic engine: the return figure is partly a measure of what you are giving up, so reading it in isolation means reading the price tag while ignoring what it is a price for.

It also cuts against a common instinct — treating a higher number as a reason to prefer a product. Between two otherwise similar products, the one with a higher target return usually locks capital longer, exits with less certainty, or carries more credit or valuation risk somewhere in the structure. If you cannot find where the extra constraint lives, the more likely explanation is that you have not found it yet, not that it does not exist.

When the Premium Fails to Materialize

The illiquidity premium is a target, not a coupon that arrives automatically. It describes what investors demand for bearing illiquidity — not what they are guaranteed to receive. Three failure modes matter most.

Default and credit loss. In a private bond, the premium is embedded in the coupon, and the coupon depends entirely on the issuer's ability to pay. If the issuer defaults, the holder does not receive a slightly reduced premium — payments stop, and recovery depends on collateral, seniority, and a workout process that can take years. The premium was compensation for exactly this possibility. In the default scenario, it is consumed by the loss it was pricing.

Failed or delayed exits. In Pre-IPO and private equity structures, the return is realized through an exit event. If the IPO never comes, the acquisition falls through, or the company raises its next round at a lower valuation, the projected return does not simply shrink — the exit that was supposed to deliver it may not happen within the expected window, or at all. Capital stays locked while the paper return quietly stops being achievable.

Forced sales at a discount. The most direct way the premium inverts: a holder who must exit early — for personal liquidity reasons or because the product allows secondary transfers — typically sells into a thin market. Thin markets clear at discounts, and in stressed conditions the discount can be severe. An investor who bought expecting to earn a premium for illiquidity ends up paying a penalty for it instead. Illiquidity charges the most precisely when you most need liquidity.

The common thread: the events that destroy the premium are the same events the premium was compensating for. That is not a design flaw. It is what "compensation for risk" means. An investor who collects the higher return in the good scenario was being paid for silently carrying the bad scenario the whole time.

This is also why term and exit terms deserve as much reading time as the return figure. If the mechanics of lock-ups, exit events, and secondary discounts are not yet familiar, what term, exit, and liquidity each mean in an RWA product covers them in detail.

Reading a Target Return With the Premium in Mind

The concept turns into a short reading discipline. When a non-listed product shows a target return, ask four questions before the number tells you anything:

1. What is the liquid baseline? Roughly what would a comparable liquid, lower-constraint product offer? The gap between that and the target is the premium you are being asked to underwrite.
2. What constraint is the premium paying for? Find the term, the lock-up, the exit mechanism, and the early-exit rules in the product documents. The premium should map to identifiable constraints. A high target with no visible constraint is a reason for more scrutiny, not less.
3. What has to go right for the premium to be realized? An issuer paying on schedule, an exit event happening, a strategy performing. Name it in one sentence. If you cannot, keep reading the documents.
4. What happens in the failure case? Default recovery terms, exit delay scenarios, secondary-market discounts. The formal risk disclosures are where this lives.

Note what the checklist does not do: it does not tell you whether any product is a good idea, and it does not convert a target return into an expected one. Whether a given premium adequately compensates a given investor depends on that investor's own liquidity needs, horizon, and risk capacity — which is a suitability question, not a product question.

On Bifu, listings on the RWA page present term, exit arrangements, and risk disclosures alongside the return information, so the four questions above can be checked in one place rather than reconstructed from scattered materials. The reading method, though, applies anywhere: on any platform, for any non-listed product, at any stated return.

The one-line takeaway: a higher target return on a non-listed asset is the market pricing your time, your flexibility, and your tolerance for uncertainty. It is a payment for a real cost you will genuinely bear — and sometimes, in the scenarios it was pricing, it is a payment that never arrives. Read the number as a price tag on constraint, and the rest of the product page becomes much easier to judge.

FAQ

How is the illiquidity premium calculated?

There is no single formula. It is typically estimated by comparing the target return of a non-listed asset to the return of a comparable liquid public-market asset carrying similar credit or business risk, with the gap treated as the market's implied price for giving up daily liquidity. Because the "comparable liquid asset" is itself an estimate, published illiquidity premium figures vary across studies and asset classes.

Is the illiquidity premium the same as a risk premium?

No, though the two are related. A risk premium compensates for the chance an asset performs worse than expected, while the illiquidity premium specifically compensates for being unable to exit on demand, even if the underlying asset performs exactly as expected. In practice, a non-listed asset's target return usually bundles both together, which is one reason the return figure alone does not tell you which risk you are being paid for.

Does a longer lock-up always mean a bigger illiquidity premium?

Not automatically. A longer term generally justifies a higher premium in theory, but the actual target return also reflects credit quality, exit certainty, and how competitive the offering is, so two products with the same lock-up length can price very different premiums. The lock-up length is one input to check, not the only one.

Why do some private assets offer little or no illiquidity premium?

This can happen when a product is priced aggressively, when demand for the offering is high relative to supply, or when the issuer is not fully compensating investors for the constraint they are taking on. A low or absent premium does not make the product safer — it can mean investors are accepting the illiquidity risk for less compensation than the risk would normally warrant.

Related Reading

• New to this? Start with what RWA actually is.
• In the same area: the six things to check in any RWA product.