Securities Lending
Shares held in a margin account can be lent to short sellers. The holder usually keeps the economics and loses some rights while the loan is outstanding.
MadStockAlerts Research · Updated August 29, 2026
What to take away
- The margin agreement is what permits it, and it is standard rather than optional.
- Lent shares are still economically yours, but the legal position changes.
- Dividends on lent shares arrive as a substitute payment, which is taxed differently.
- Voting rights on lent shares generally do not pass through.
- Some brokers share the borrow fee with the holder under a separate programme.
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Your Shares, Somebody Else's Trade
Brokers lend customer shares to short sellers, and the member usually finds out through a changed dividend line on a statement.
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What changes for the holder
| While shares are lent | |
|---|---|
| Price exposure | Unchanged. The economics remain yours |
| Ability to sell | Unchanged. The loan is recalled or replaced |
| Dividends | Received as a substitute payment from the borrower |
| Voting | Generally lost for the lent shares |
| Protection scheme coverage | Lent shares are collateralised rather than held in custody |
The third row is the one with a concrete consequence. A substitute payment is economically equivalent to the dividend and is not a qualified dividend for tax purposes, which can change the rate applied to it in a taxable account.
That is a description of the mechanics rather than tax advice, and the treatment depends on the account and on circumstances a professional would assess.
Fully paid lending programmes
Separately from margin lending, many brokers offer a programme under which fully paid shares can be lent with the fee shared with the account holder. Participation is voluntary and the terms differ by firm.
- The holder receives a share of the borrow fee, which is meaningful only on hard-to-borrow securities.
- Shares can generally still be sold at any time, and the loan is closed when they are.
- Voting rights are lost while lent, which matters more in a contested situation.
- The loan is collateralised, and the collateral arrangement is what replaces custody protection.
The income is negligible on ordinary large-cap holdings and can be substantial on a security in high demand. Whether the trade-off is acceptable depends on the terms, which are in the programme agreement rather than in any general description.
Recalls, and why they matter
A lender can recall lent shares, typically because they were sold or because voting is required. The borrower must then return them, which means buying them in the market if no replacement borrow is available.
Forced buy-ins are one of the specific mechanisms behind a short squeeze. They are not driven by any view about the security; they are a contractual obligation to return shares, executed at whatever price is available.
This is also why borrow availability is watched alongside short interest. A position that is heavily shorted and hard to borrow is exposed to a mechanical source of buying that has nothing to do with sentiment.
Reading a borrow rate
The cost of borrowing a security is set by supply and demand for that specific name, and it is the clearest available measure of how difficult a short position is to maintain.
| Annualised borrow rate | What it indicates |
|---|---|
| Under 1 percent | General collateral. Ample supply, and the cost is negligible |
| 1 to 10 percent | Some scarcity, and a real cost on a held position |
| 10 to 50 percent | Hard to borrow. The cost alone requires a substantial move to overcome |
| Above 50 percent | Severe scarcity, and frequently associated with a squeeze dynamic |
The rate is charged daily and accrues whether or not the position moves, which makes it the clearest example in this library of time being a direct cost. A short position at a fifty percent borrow rate loses roughly a percent a week to financing alone.
Borrow rates are not published on a consistent public basis, which is one of the informational asymmetries in short selling. Brokers show their own rates to their own customers, and the market-wide picture is a commercial data product.
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