What Is LTV in Crypto?

LTV (loan-to-value) is the ratio of a loan's outstanding balance to the market value of the collateral backing it. At 50% LTV, a $100 collateral position backs a $50 loan. DeFi lending protocols set two LTV thresholds per asset: a max LTV at loan origination, and a liquidation LTV at which the position becomes liquidatable. The gap between the two is your liquidation buffer.

Also known as: loan to value, loan-to-value ratio

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How LTV works

LTV = borrowed balance / collateral value. Example:

  • Collateral: 10 ETH at $3,000 = $30,000.
  • Borrowed: 12,000 USDC = $12,000.
  • LTV: $12,000 / $30,000 = 40%.

The protocol sets three parameters per collateral asset:

  • Max LTV — the highest LTV you can open or increase a loan at. Often 70-80% for majors, lower for volatile alts.
  • Liquidation threshold — the LTV at which the position becomes liquidatable. Typically 5-10% above max LTV.
  • Liquidation bonus — the discount the liquidator gets on the seized collateral (5-10% is standard).

LTV moves as either variable changes: collateral price drops (LTV rises), loan accrues interest (LTV rises), you repay principal (LTV falls), or you deposit more collateral (LTV falls). You can track LTV live in most lending UIs; “health factor” is the inverse — health >1 means solvent, <1 means liquidatable.

How experienced users manage LTV

The goal isn’t to maximize borrow capacity — it’s to stay far enough from the liquidation line that normal price moves don’t trigger liquidation. A few heuristics:

  • Keep real LTV ≤ 50% of the liquidation threshold. If liquidation is at 85%, aim for 40-45% actual LTV.
  • Watch volatility. A 30% volatility asset needs more buffer than a 10% volatility asset for the same comfort level.
  • Pre-position collateral. Keep spare collateral ready to deposit so you can add margin quickly in a drawdown.
  • Use isolated mode on protocols that support it — a bad loan on one position can’t trigger liquidation of your other positions.

Risks and considerations

LTV discipline is where most DeFi users get liquidated. The pattern is always the same: borrow aggressively during a calm market, fail to reduce during an early drawdown, get hit by a gap-down move that pushes LTV past the threshold before you can respond. Gas spikes during stress events make it harder to repay or top up quickly — a $2 gas fee in calm markets can hit $200 during a flush, and failed transactions still cost gas.

For large positions, set up on-chain automation (Gelato, DeFiSaver) that automatically tops up margin or repays a portion of the loan when LTV crosses a soft threshold. For smaller positions, phone alerts wired to LTV (DeFiSaver’s Smart Savings + Telegram bots) are a cheap way to avoid the cascade.

Related terms

Collateral Collateral is an asset posted to back a loan or derivative position. Liquidation Liquidation is the forced closure of a leveraged position when its margin falls below the exchange's maintenance requirement. Lending Protocol A lending protocol is a DeFi application where users deposit crypto to earn interest from borrowers. Leverage Leverage is using borrowed capital to amplify position size beyond your own collateral.