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An extension rolls an active loan into a fresh period on the same terms: same rate, same collateral amount, new deadline. The borrower pays the closing period’s interest, the principal stays borrowed, and the collateral never moves. Extensions are opt-in on the lender’s side and manual on the borrower’s side. Nothing rolls over by itself.
Extensions are never automatic. You extend manually, and only before the deadline. Past maturity the lender can claim your collateral as usual — an extendable loan is not a safety net. See Borrowing.

Lenders: allowing extensions

Allow extensions (“same terms, new deadline”) is a toggle you set when creating an offer. It appears in every offer creation surface: the offer wizard, Pro, the borrow request form, and the Loop lend panel. Loans filled from that offer start extendable. The toggle is only a starting value:
  • After a fill, you can revoke or re-grant the permission per loan
  • Revoking never shortens the period already running — it only prevents the next extension

Borrowers: spotting and using them

Extendable offers carry a ↻ marker next to their duration everywhere offers are listed: the offer book, the Borrow page, Pro, and collectible cards. Once you fill one, the loan’s row in Portfolio > Loans leads with an Extend button while the loan runs. Repaying stays one click away in the row menu.

What an extension costs and changes

Before confirming, the panel shows exactly what you pay and what changes: Two things are worth knowing:
  • The new deadline replaces the current one rather than adding to it. Extending the day you take the loan wastes the time you already paid for, so extending near expiry gets you the most.
  • The principal and the collateral never move. Only the deadline and the interest clock reset.

Lenders earn every period

Each extension settles the closing period’s interest to the lender immediately, so the capital keeps earning without being redeployed into a new offer. Extended loans wear an ×N badge, and the loan panel keeps the full extension history: the date, the interest paid, and each new deadline.