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Transferring positions ​

Both Supply and Borrow Positions are ERC20 tokens. You can transfer them — but the inversion of borrow semantics means borrow transfers behave differently from supply transfers.

Supply transfers ​

Standard ERC20 push semantics:

  • transfer(to, amount) — sender pushes value to to. Sender's balance decreases, to's balance increases.
  • transferFrom(from, to, amount) — same, but with allowance.

Health-factor implications:

  • The sender must remain healthy after the transfer (their collateral decreased).
  • The receiver doesn't need to be healthy (they're gaining collateral).

If the sender has any debt, the protocol verifies their post-transfer H ≥ 100% and reverts otherwise.

Borrow transfers (inverted) ​

For Borrow Positions, semantics are inverted — the sender benefits, the receiver suffers:

  • transfer(from, amount) — caller pulls debt from from. from's debt decreases, caller's debt increases.
  • transferFrom(from, to, amount) — pulls debt from from to to. Requires both parties to approve.

Health-factor implications:

  • The caller (debt receiver) must remain healthy after the transfer.
  • The source (debt sender) doesn't need to be healthy (their debt decreased — H rises).

The Pool contract bypasses approvals during liquidation, which is what enables debt assumption.

Lock proportionality ​

If the position being transferred is partially locked, the lock fraction transfers proportionally. See Transfers and exits for the formula.

When to use transfers ​

  • Wallet migration. Move positions between wallets you control.
  • OTC trades. Sell a position privately to a buyer.
  • Compose with another protocol. Transfer position tokens into another DeFi product (with care — see Wrapped positions for the safer path).

When NOT to use transfers ​

  • Liquidation handover. Don't try to "reroute" a liquidation by transferring out — the protocol's liquidation function operates on the address with H < 100%, and you'd need to make the transfer cause H ≥ 100%, which the protocol verifies. If you can do that with a transfer, you can probably do it with a regular operation.

Where to go next ​

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