Author: 96acesingapore Editorial Team

By 96acesingapore Editorial Team · Reviewed July 2026

You’re trading perpetual futures, watching your PnL swing like a pendulum. Then a big liquidation happens—but your position doesn’t get wrecked by a flash crash. That’s the insurance fund doing its job. Most traders ignore it until they need it, but understanding how it works can save your account from getting caught in a cascade.

Here are 7 key things every trader should know about the insurance fund in perpetual futures.

1. It’s the Exchange’s Safety Net, Not Yours

The insurance fund isn’t your personal insurance policy. It’s the exchange’s buffer against bad debt. When a trader gets liquidated and their position can’t be closed at the liquidation price—say the market gaps down 3% in a second—the exchange eats the loss. The insurance fund covers that gap so solvent traders don’t get hit with auto-deleveraging (ADL).

Think of it like a shock absorber. Without it, every liquidation would cascade through the order book, triggering more liquidations. That’s how you get a death spiral.

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2. It’s Funded by Liquidated Traders

Here’s the part most people miss: every time a trader gets liquidated, a portion of their remaining margin goes into the insurance fund. Not the whole thing—just the surplus above what was needed to close the position. So if you’re liquidated with $1,000 in margin and it only takes $800 to close your position, the remaining $200 flows into the fund.

That means the insurance fund grows naturally as liquidations happen. On a high-volume exchange, it can hit tens of millions of dollars. Binance’s insurance fund for BTC perpetuals has topped $500 million at times.

3. It Prevents Auto-Deleveraging (Most of the Time)

Auto-deleveraging is the worst outcome for a profitable trader. It means the exchange forcibly closes your position to cover someone else’s loss. The insurance fund exists to make ADL rare. When the fund has enough capital, it absorbs those losses instead.

But the fund isn’t infinite. If a single massive liquidation—like a $50 million ETH position—blows through the fund, ADL kicks in. That’s why you should always check the insurance fund balance before trading high-leverage perps on smaller exchanges.

So, how do you know if your exchange has enough coverage? Look at the fund size relative to open interest. A ratio of 1% or higher is generally healthy.

4. The Fund Balance Is Public—But Not Always Real-Time

Most reputable exchanges display their insurance fund balance on a dedicated page. You can see it ticking up or down in real time. But some exchanges update it only every few minutes or even hourly. That lag can hide a near-empty fund during a volatile event.

Always cross-check the fund balance with your exchange’s transparency page. If the numbers seem stale, that’s a red flag.

5. Different Exchanges Use Different Models

Not all insurance funds work the same. Some use a pooled model where all assets go into one fund. Others segregate funds per trading pair. A few even let you see exactly how much BTC, ETH, and stablecoin is in each pool.

For example, Deribit’s insurance fund is split by currency. BTC perps have a BTC fund, ETH perps have an ETH fund. That means one pair’s losses don’t drain another’s buffer. It’s a cleaner design for multi-asset traders.

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6. It Doesn’t Cover Socialized Losses

This is a common misunderstanding. The insurance fund only covers losses from liquidation events. It doesn’t cover exchange hacks, smart contract exploits, or governance failures. If the exchange gets drained, the insurance fund is gone too—it’s part of the exchange’s wallet.

That’s why you should never treat the insurance fund as a guarantee. It’s a risk mitigator, not a risk eliminator. A well-funded fund reduces your chance of ADL, but it won’t save you from a black swan event that takes down the exchange itself.

7. You Can Use It as a Risk Signal

Savvy traders watch the insurance fund like a dashboard light. If the fund is growing, it means liquidations are happening but the system is absorbing them. If the fund is shrinking rapidly—say dropping 10% in an hour—that’s a warning sign. Volatility is high, and ADL may be imminent.

Some traders even reduce their leverage when they see the fund shrinking. It’s a simple but effective risk management tactic. You’re essentially reading the exchange’s stress level.

The One Thing to Remember

The insurance fund is a buffer, not a shield. It protects the exchange’s system so your profitable trades don’t get clawed back. But it won’t save you from bad entries or exchange failures. Check the fund size, watch for rapid drops, and always use stop-losses. That’s how you trade perps without getting caught in the cascade.

— 96acesingapore Editorial Team

Key Takeaways

• The insurance fund covers losses from liquidations, preventing auto-deleveraging.
• It’s funded by surplus margin from liquidated traders, not the exchange.
• Fund balance is public but may update with a delay—always verify.
• A shrinking fund signals high stress—reduce your leverage when you see it.
• It does not cover exchange hacks or socialized losses.

Risks to Consider

Insurance funds are not guaranteed. They can be drained by a single massive liquidation or a coordinated attack. Always trade with risk management that assumes the fund could fail. Use stop-losses, avoid over-leveraging, and never trade more than you can afford to lose on any single exchange.

Sources & References

• Binance Support – “What Is the Insurance Fund for Perpetual Futures” (2025)
• Deribit – “Insurance Fund Overview” (2025)
• CoinDesk – “How Perpetual Futures Work and Why Insurance Funds Matter” (2024)
• Investopedia – “Auto-Deleveraging in Crypto Futures Trading” (2025)