What a rehypothecation clause is

A rehypothecation clause lets the lender use your pledged assets for its own purposes.

Hypothecation is pledging an asset as collateral. Rehypothecation is the lender then pledging or lending that same asset onward, to support its own borrowing or to supply another party.

The clause is standard in margin agreements and appears in various forms in securities-based lending documents. It typically permits the lender to lend out pledged securities, use them as collateral for its own funding, and commingle them with other clients' assets. In exchange, the loan is cheaper, because a lender that can put the collateral to work has another source of return.

What is worth understanding about the mechanism, without alarm:

It generally has no day-to-day effect. Your economic exposure to the shares is unchanged.
It can affect voting rights, because shares lent out may not be available to vote.
Substitute payments may replace dividends, which can be treated differently for tax than a qualified dividend.
In an insolvency of the intermediary, assets that were rehypothecated can be harder to trace and recover than assets that were segregated.
Protections and limits differ substantially between account types and jurisdictions.

The reason this belongs in a foundations track is not that it is likely to hurt you. It is that most borrowers do not know it is there, and it is one of the clearest examples of the general pattern in this track: the low rate is paid for with rights, and the rights are itemised in a document that nobody reads until something has already happened.

Key terms

Hypothecation: Pledging an asset as collateral for a loan while retaining ownership.
Rehypothecation: The lender's onward pledge or loan of collateral it holds from you, typically permitted by the agreement.
Substitute payment: A cash payment that replaces a dividend when your shares are on loan. Economically similar, potentially different for tax.

Worked example

Where the cheap rate comes from

A lender holds $1,000,000 of pledged shares against a $400,000 loan.

Interest income from you: $26,000/yr
Shares lent to a borrow demand at 1.2%: $12,000/yr
Your dividend, if shares are on loan: Possibly a substitute payment
Your voting rights on lent shares: Possibly unavailable
Effect on your market exposure: None

The second revenue line is part of why the first one can be small. Illustrative figures only.

Check yourself

What does a rehypothecation clause let a lender do, and what does it not change?

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Educational only. Nothing in this lesson is investment, legal or tax advice, or a recommendation to enter into any transaction. Figures are illustrative and computed from the inputs stated in the lesson.