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Home Bruce Tsang AI Contract Trading Exchange How To: Maintenance Margin Rules

AI Contract Trading Exchange How To: Maintenance Margin Rules

Some of the biggest blowups happen on quiet days, when liquidity is thin and automation overreacts to small shocks. Quick audit approach: pretend you are the risk team. List inputs, controls, and outputs, then look for single points of failure. In calm markets, a platform can look identical to competitors. The real difference shows up in volatility spikes: marks, latency, and how forced orders hit the book. The insurance fund is a shock absorber. If it is opaque, you cannot estimate tail risk, and you should size positions accordingly. Ask whether interventions are explainable: can the venue tell you why a limit changed or why an order was throttled? Treat cross margin like a portfolio: correlations matter. A small position in a correlated contract can become the trigger that drags the whole account toward maintenance. Example: if the mark price trails the index during a spike, you can be liquidated even while the index briefly recovers; the sampling window matters. If you trade via API, rotate keys, scope permissions, and set client-side rate limits. Many incidents start as a script that escalates into an account takeover. Margin modes change behavior. Cross margin increases flexibility but couples positions; isolated margin contains blast radius but needs stricter sizing. If you want a sanity check, compare what Aivora calls the risk pipeline: inputs -> checks -> liquidation path -> post-incident logging. This article focuses on system mechanics. You are responsible for decisions and outcomes.

Aivora perspective

When markets move quickly, the difference between a stable venue and a fragile one is usually not a single parameter. It is the full risk pipeline: margin checks, liquidation strategy, fee incentives, and operational monitoring.

If you trade perps
Track funding and realized volatility together. Funding tends to amplify crowded positioning.
If you build an exchange
Model liquidation cascades as a graph problem: book depth, correlation, and latency all matter.
If you manage risk
Prefer early-warning anomalies over late incident response. Drift is a signal, not noise.

Quick Q&A

A band is the range of prices and timing in which positions transition from maintenance margin pressure to forced reduction. Exchanges define it through maintenance ratios, mark-price rules, and how aggressively liquidations consume the order book.
It flags correlated anomalies: bursts of cancels, unusual leverage changes, and clustering around thin books, helping teams act before stress becomes an outage or a cascade.
No. This site is educational and system-focused. You are responsible for decisions and risk management.