Written byCollateral risk is the chance that an asset pledged as security fails to cover the exposure because it falls in value, cannot be sold quickly or cannot be enforced.
Also known as: collateral shortfall, under-collateralisation
Key points
- Collateral is meant to reduce credit risk, but it brings its own: under-collateralisation raises expected losses, while over-collateralisation ties up the borrower's capital.
- The main types are market or resale value, liquidity, valuation, legal enforceability and concentration risk, with wrong-way and rehypothecation risk in wholesale markets.
- Lenders measure it by revaluing the asset, advancing only a proportion of that value, then checking the coverage of discounted collateral against the exposure.
- Physical assets like equipment and property need an appraisal, a security interest registered on the PPSR or a registered mortgage, and time to sell.
- When coverage falls below the lender's threshold it can call for more security or cash, or move to sell the asset it holds.
Types of collateral risk
Most Australian lending is secured over something physical, so start there. Market risk is the collateral losing value: a used excavator or ute is worth less each year, and resale prices move with the sector. Liquidity risk is not being able to sell it quickly at close to the valued figure, which hits specialised plant hardest. Valuation risk is a stale or optimistic appraisal that hides a shortfall until the asset has to be sold. Legal risk is a security interest that proves unenforceable, which is why the right document and a timely registration matter.
Concentration risk is too much exposure to one asset type, sector or borrower. Wholesale and traded collateral, from listed shares to securitisations, adds its own: wrong-way risk, where the collateral falls just as the borrower's credit worsens; rehypothecation risk, where the collateral taker re-uses the asset; and operational risk from settlement and system failures. These interact, so a stale valuation in a soft market with heavy concentration quickly produces a shortfall.
How lenders measure collateral
The starting point is a current value: a dealer or independent valuation for equipment and vehicles, a registered valuation for property. The lender then advances only a proportion of it, which is the same idea as a haircut, discounting the value for volatility, how long the asset would take to sell, and concentration. Advance rates are conservative on assets that are specialised, ageing or hard to move, and more generous on newer mainstream equipment with a deep second-hand market.
The coverage ratio compares the discounted collateral with the exposure, and lenders set a minimum above 100%; on property the same idea appears as a loan to value ratio. Revaluation follows volatility: at review or refinance for stable equipment lending, daily or intraday for traded collateral, where a shortfall brings a margin call and an unmet call lets the lender close out. Lenders also stress test values against a soft resale market.
Collateral risk in business lending
Which document the lender uses decides what happens if the borrower fails. A security interest over specific goods is perfected by registering it on the PPSR against the serial number or VIN, and land is secured by a registered mortgage. Whether a charge is fixed or floating affects the lender's priority in an insolvency, and an interest registered late or not at all can vest in the grantor on insolvency, leaving the lender unsecured. Secured facilities such as asset finance and invoice finance tie their terms to how the collateral is treated.
Mitigation combines contract terms that spell out eligible security, advance rates and revaluation; spreading exposure across asset types and sectors; PPSR searches and registrations done properly and on time; and legal work to test enforceability, with advice on non-standard or cross-border collateral.
Example
A lender advances $120,000 against a $150,000 excavator, an advance rate of 80%, so it holds $30,000 of headroom on day one. Two years later the borrower stops paying. The machine has aged, the sector has slowed, and it makes $85,000 at auction once transport, refurbishment and selling costs come out. The loan balance is $95,000, so the sale leaves a $10,000 shortfall the lender has to chase as an unsecured debt. That gap is collateral risk: not the default itself, but the security failing to cover the exposure once it is actually sold.
Not to be confused with
- Credit risk
- credit risk is the chance the borrower fails to pay; collateral risk is the chance the security taken against that failure does not cover the loss
- Business risk
- business risk is the borrower's exposure across its own operations; collateral risk is the lender's exposure to the security it holds
Frequently asked questions
What is the difference between collateral and margin?
Collateral is the asset pledged to secure a loan, such as an excavator or a property. Margin is the day-to-day requirement to keep the exposure covered, which mostly applies to traded collateral rather than equipment lending. If cover falls below the lender's threshold, it can ask for more security or cash.
How are haircuts on collateral worked out?
A haircut is the percentage taken off an asset's market value to reach the figure a lender will lend against. On equipment it reflects how fast the asset depreciates, how specialised it is and how long a sale would take. On property it reflects the age of the valuation and the state of the local market.
How often should collateral be revalued?
It depends on how volatile the asset is and what it secures. Equipment and property lending is usually revalued at review, on refinance, or when the borrower's position changes, while traded collateral is marked daily or intraday. Infrequent revaluation creates valuation risk, because a shortfall can build up unnoticed between valuations.
What happens if the asset sells for less than the loan balance?
The lender applies the sale proceeds, after transport, refurbishment and selling costs, to the balance and chases the shortfall as an unsecured debt. That gap is collateral risk. Where a director has signed a personal guarantee, the lender can pursue them for the shortfall, so it does not disappear with the asset.
How do lenders decide how much to advance against an asset?
They start with a current value, a dealer or independent valuation for equipment and vehicles and a registered valuation for property, then advance only a proportion of it. The advance rate is lower for specialised, ageing or hard to sell assets, and higher for newer mainstream equipment with a deep second-hand market.
Related terms
Security (collateral)
Security (collateral) is an asset or legal interest a borrower grants a lender, which the lender can take and sell to recover the debt if the borrower defaults.
Read definitionCredit risk
Credit risk is the possibility that a borrower or counterparty will default on their contractual repayments, leaving the lender or investor with a loss.
Read definitionLoan-to-value ratio (LVR)
A loan-to-value ratio (LVR) is the amount you borrow as a percentage of the value of the security, usually property, and a key measure of lending risk.
Read definitionAppraisal
An appraisal is a professional estimate of an asset's value at a set date, which lenders and lessors use to set loan-to-value ratios, price leases and assess collateral risk.
Read definitionLien
A lien is a legal right a creditor holds over another person's property, such as goods or land, as security until a debt is paid.
Read definitionFixed charge
A fixed charge is a security interest over a specific, identifiable asset, such as a named machine or building, which the borrower cannot deal with without the lender's consent.
Read definitionGo deeper
Sources
This article is general information only and is not financial advice.