**AsterDEX is implementing major risk parameter changes for stock perpetual contracts.**
**Key Changes:**
- Maintenance margin rate for 10x leverage bracket increases from **1.25% to 5.00%**
- Affects major stock perpetuals: AMZN, MSFT, AAPL, META, TSLA, GOOG, NVDA, SBET
- **Effective December 1, 2025 at 04:00 UTC**
**Impact on Traders:**
- 10x leveraged positions will require significantly more maintenance margin
- Liquidation prices may move closer for high-leverage users
- Other leverage brackets remain unchanged
**Action Required Before Dec 1:**
- Review all stock perpetual positions
- Add additional margin if needed
- Reduce position sizes if near liquidation risk
This represents a **300% increase** in margin requirements for the highest leverage bracket, signaling increased risk management measures.