Introduction

In 2025, forced liquidations in the crypto derivatives market exceeded $150 billion in notional value. The October 10 event alone wiped out over $19 billion in a single day and affected 1.6 million traders. They're the direct consequence of how leverage, collateral, and risk management work in crypto markets.

Liquidation is the forced closure of a leveraged position or the seizure of loan collateral when an account no longer meets minimum requirements. It applies in two major contexts: leveraged trading on exchanges (perpetual futures, margin trading) and crypto-backed borrowing and lending. Whether you're a trader using 10x leverage on a Bitcoin perpetual or a borrower who pledged BTC for a loan, the mechanics are different but the underlying principle is the same.

This article breaks down how crypto liquidation works across both contexts, what triggers it, and what you can do to protect yourself.

What Is Crypto Liquidation?

Liquidation is a protective mechanism for an exchange or lender. When a trader or borrower can no longer cover their obligations, the exchange or lending platform closes the position or sells collateral to prevent further losses. It exists to keep platforms solvent and to prevent one person's bad trade from becoming everyone's problem.

The term gets used broadly, but it actually describes two meaningfully different processes depending on the context.

Liquidation in Leveraged Trading vs. Crypto Lending

Leveraged trading is where most liquidation volume occurs. A trader borrows funds from an exchange to open a position larger than their account balance. If the market moves against them and their margin balance falls below the exchange's maintenance threshold, the exchange auto-liquidates the position. This is the main cause behind the massive cascade events that dominate crypto headlines.

Crypto-backed lending works differently. A borrower pledges crypto as collateral for a loan, typically in fiat or stablecoins. If the collateral's market value drops and the loan-to-value (LTV) ratio crosses a predefined threshold, the lender may issue a margin call or liquidate a portion of the collateral to restore the ratio. There's no leverage multiplier involved, and many lenders offer borrowers a window to respond before any collateral is sold.

The vast majority of the $150 billion in annual liquidation volume comes from the derivatives and trading side. But for holders who want liquidity without selling their crypto, the lending context is where the concept has the most practical relevance.

How Does Crypto Liquidation Work?

Key Terms

It’s important to understand the following terms before getting into the mechanics:

• Initial margin is the capital required to open a leveraged position or secure a loan.

• Maintenance margin is the minimum equity an exchange requires you to hold to keep that position open.

• Leverage is the multiplier on your position size relative to your own capital. At 10x leverage, a 10% adverse price move wipes out your entire equity.

• Loan-to-value (LTV) ratio, used in lending, measures the size of your loan relative to the value of your collateral. A 50% LTV means you've borrowed half the value of what you've pledged.

• Liquidation price is the specific price at which your position or collateral gets liquidated.

• Mark price is the smoothed index price most exchanges use (rather than the last traded price) to trigger liquidations, which reduces the risk of manipulation-driven closures.

A Step-by-Step Example

Imagine a trader who deposits $10,000 and opens a 10x long position on Bitcoin, controlling $100,000 in notional exposure. If Bitcoin drops roughly 9-10%, the trader's $10,000 in equity is effectively gone since the exchange will liquidate the position before the account balance turns negative.

Some exchanges liquidate incrementally, closing just enough of the position to restore margin requirements. Others close the entire position at once. The approach varies by platform, but the outcome for the trader is the same: a forced exit at the worst possible time.

Now contrast that with a lending scenario. A borrower pledges 1 BTC (worth $90,000) for a $45,000 loan at a 50% LTV. Bitcoin drops to $60,000, pushing the LTV to 75%. If the lender's margin call threshold is 70% and the liquidation threshold is 85%, the borrower gets a warning and a defined window to add collateral or make a partial repayment. Liquidation only happens if the borrower takes no action and the price continues to fall.

What Causes Crypto Liquidations?

Excessive Leverage

This is the primary driver. Crypto derivatives platforms have historically offered leverage up to 100x. At that level, a price move of less than 1% can wipe out an entire position. Even at more moderate levels like 20x, a 5% correction is enough to trigger liquidation.

The October 2025 crash illustrated what happens when record-high open interest (above $217 billion across major venues) collides with even a moderate shock. The market was leveraged in the same direction, with roughly 85-90% of the liquidated positions on the long side.

Sudden Market Volatility

Crypto trades 24/7 with no circuit breakers. When macro shocks hit (tariff announcements, regulatory actions, geopolitical events), they propagate through crypto markets instantly. Bitcoin's annualized volatility has averaged around 80% since 2013. That level of price movement makes highly leveraged positions inherently fragile, especially over weekends and holidays when liquidity is thinnest.

Cascade Effects and Vanishing Liquidity

Liquidations can create a vicious cycle. One liquidation creates forced selling, which pushes prices lower, which triggers the next round of liquidations. During the October 2025 event, top-of-book depth on major exchanges shrank by more than 90%, and bid-ask spreads widened from single-digit basis points to double-digit percentages. Market makers stepped away or widened their quotes significantly, and the result was a self-reinforcing spiral where $6.93 billion in positions were liquidated in just 40 minutes.

Oracle and Infrastructure Failures

In decentralized lending, liquidations depend on price oracles like Chainlink to report accurate, real-time prices. Stale or manipulated oracle data can trigger liquidations that shouldn't have happened. On the centralized side, exchange infrastructure failures (frozen trading interfaces, delayed order execution) can prevent traders from managing risk in time. During the October 2025 crash, multiple exchanges reported interface issues at precisely the moment traders needed to act.

Liquidation in DeFi Lending Protocols

How DeFi Liquidation Differs from CeFi

DeFi lending protocols like Aave, Compound, and MakerDAO use smart contracts to enforce overcollateralized loans. There's no human discretion involved. When a borrower's "health factor" drops below 1 (meaning their collateral value has fallen too close to their debt), the protocol opens the position to third-party liquidators. These liquidators repay the borrower's debt in exchange for the collateral at a discount.

The process is fast, automated, and final. There's no margin call email, no 24-hour grace period, and no customer support line to call.

Liquidators and Liquidation Penalties

Liquidators are economically motivated participants (often bots) that monitor on-chain positions and execute liquidations for profit. The "liquidation bonus" they earn is typically 5-10% of the collateral's value. This bonus comes directly out of the borrower's pocket, meaning liquidation costs the borrower more than just the market loss on their collateral.

The incentive structure is designed to keep lending pools solvent. But it also means that in a sharp downturn, liquidators are racing to close positions, which can deepen selling pressure across the market.

Cascading Liquidations as Systemic Risk

DeFi's composability introduces a unique risk. Borrowed assets can be re-deposited as collateral on another protocol, creating "collateral chains." When prices fall, liquidations cascade across protocols simultaneously. The Terra/UST collapse in 2022 remains the clearest example: as UST lost its peg, LUNA's price collapsed, collateral values across DeFi lending protocols cratered, and a wave of liquidations rippled through the entire ecosystem.

How to Avoid Crypto Liquidation

Use Conservative Leverage

The simplest protection is lower leverage. A 2x or 3x position can absorb a 30-50% drawdown before liquidation. A 20x position can't survive a 5% move. Most retail traders who get liquidated are using leverage that leaves them no room for the normal volatility that crypto markets deliver on any given week.

Monitor Positions and Set Stop-Losses

Set stop-loss orders well above your liquidation price. Use exchange alerts and margin monitoring tools actively. Avoid holding leveraged positions over weekends or during anticipated macro events when liquidity is predictably thin.

Maintain a Healthy LTV on Crypto-Backed Loans

For borrowers using crypto as collateral, starting with a conservative LTV (50% or below) provides a meaningful buffer against market drawdowns. Keep reserves available to add collateral during downturns, and understand your lender's margin call and liquidation thresholds before you borrow.

This is one area where the choice of lender matters. Some platforms use instant automated liquidation the moment a threshold is breached. Others, like Arch, structure their Bitcoin-backed loans with clear margin call notifications and give borrowers time to respond before any collateral is sold.

Crypto Liquidation vs. Traditional Finance

In traditional margin trading, brokers issue margin calls and typically give investors a window to deposit additional funds. Stock exchanges have circuit breakers that halt trading during extreme moves, giving the market time to stabilize. Crypto markets operate around the clock, most exchanges auto-liquidate without human review, and there are no mandatory trading halts. This is why crypto liquidation events tend to be faster and more severe than anything seen in equities or commodities.

In the context of crypto-backed lending (as opposed to derivatives trading), the experience can be closer to traditional secured lending. Some crypto lenders provide margin call warnings and grace periods similar to how a bank would handle a collateral shortfall on a secured loan. If you're borrowing against Bitcoin or other crypto holdings, the lender's approach to margin calls and liquidation timing is worth understanding before you sign.

Frequently Asked Questions

What is a liquidation price in crypto? It's the price at which your collateral or margin is no longer sufficient to support your position, triggering a forced closure by the exchange or lending platform. Your liquidation price depends on your leverage, entry price, and the platform's maintenance margin requirements.

What happens to my crypto when I get liquidated? In leveraged trading, your position is closed at market price and you lose the margin allocated to it. In lending, a portion of your collateral is sold to repay outstanding debt, and you may also incur a liquidation penalty (typically 5-10% in DeFi protocols).

Can you recover from a crypto liquidation? You keep any remaining collateral or account balance after the liquidation, but the closed position or sold collateral cannot be reversed. Recovery means rebuilding from what's left.

How do I check my liquidation price? Most exchanges and lending platforms display your liquidation price in your account dashboard. It updates in real time based on your margin balance and the current market price.

Is there a way to borrow against crypto without high liquidation risk? Yes. Crypto-backed loans with conservative LTV ratios (50% or lower) provide a substantial buffer against liquidation. The key variables are the starting LTV, the lender's margin call threshold, and whether you have time to respond before liquidation occurs. Providers like Arch offer Bitcoin-backed loans with structured margin call processes designed to give borrowers room to manage their collateral during market volatility.

Conclusion

Liquidation is an important feature that keeps exchanges and lenders solvent and prevents one participant's losses from cascading into systemic failure. But for individual traders and borrowers, it's one of the most important risk to understand and manage. It’s important to always understand leverage, monitor your liquidation price, and build a margin of safety into every position.

About Arch

Arch is building a next-gen wealth management platform for individuals holding alternative assets. Our flagship product is the crypto-backed loan, which allows you to securely and affordably borrow against your crypto. We also offer access to bank-grade custody, trading and staking services.

Disclaimer: This article is for informational purposes only and does not constitute investment, legal, or tax advice. Cryptocurrency investments are volatile and risky. Always conduct your own research before making investment decisions.