When trading futures on Binance, you may have heard about the "insurance fund." The insurance fund is a reserve pool set up by Binance to protect traders, playing a critical role during extreme market conditions.
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What Is the Insurance Fund
The insurance fund is a pool of capital accumulated from forced liquidations. When a user is liquidated, if the liquidation price is better than the bankruptcy price (meaning there are remaining funds), the surplus goes into the insurance fund.
This money serves to protect other traders from "socialized losses" in extreme situations.
What Are Socialized Losses
Socialized losses occur when a user's position losses exceed their entire margin, resulting in a negative balance. Normally, the liquidation mechanism intervenes before margin is depleted, but during extreme market conditions (like flash crashes), it may not be possible to execute at the bankruptcy price, causing losses to exceed the margin.
Without the insurance fund, these excess losses would need to be borne by profitable traders (through auto-deleveraging).
How the Insurance Fund Protects You
When socialized losses occur, the insurance fund covers the shortfall first. This means profitable traders can receive their full profits without having their gains reduced because a counterparty went bankrupt.
Only when the insurance fund is insufficient to cover the losses does ADL (Auto-Deleveraging) trigger, reducing positions of the most profitable traders to balance the loss.
How Large Is the Insurance Fund
Binance's insurance fund balance is publicly disclosed and can be viewed on the website. Different contract types (USDT-margined, coin-margined) have their own separate insurance funds. The larger the fund, the better the protection for traders.
Can the Insurance Fund Run Out
Theoretically, under extreme market conditions, the insurance fund could be insufficient. However, Binance's insurance fund is among the largest in the industry, and it's more than adequate for normal market volatility.
What It Means for Regular Traders
The insurance fund's existence means that when trading futures on Binance, you're unlikely to face auto-deleveraging due to counterparty bankruptcy. This improves fairness and predictability in trading.
However, the insurance fund does not protect your own positions. If your position is liquidated, you lose your own margin. Proper leverage and position size management remain the most important things.