Margin Trading with Risk Management

[grantfox-oss]

Priority: High
Epic: Advanced Trading Features

Description

Implement leveraged/margin trading with comprehensive risk management to prevent excessive losses and system insolvency. This includes maintenance margin requirements, automatic liquidations, and leverage caps.

Direction

1. Add margin and leverage fields to position entity
2. Calculate and enforce maintenance margin requirements
3. Build automatic liquidation engine for undercollateralized positions
4. Implement leverage limits based on asset volatility
5. Create margin call notifications for users
6. Add interest calculation for borrowed funds

Definition of Done

• Users can open leveraged positions up to 10x (configurable)
• Maintenance margin requirements are strictly enforced
• Underwater positions are automatically liquidated
• Margin calls are sent when positions approach liquidation threshold
• Interest on borrowed funds is calculated and charged daily

Acceptance Criteria

• ✅ Users cannot open positions exceeding their available margin
• ✅ Liquidations occur before positions go negative
• ✅ All margin parameters are configurable per asset pair
• ✅ Users receive email/SMS notifications for margin calls
• ✅ Interest calculations are accurate and auditable

---

[ZuLu0890]

I would like to work on this issue

[grantfox-oss]

🦊 GrantFox — @ciynthia has been assigned to this issue as part of the Official Campaign campaign!

Next steps:

1. Open a Pull Request referencing this issue (e.g., Closes #383)
2. Your PR will be reviewed by the StelTade maintainers

Good luck! Track your progress on GrantFox.

[grantfox-oss]

🎉 This issue has been marked as completed on GrantFox as part of the Official Campaign campaign!

@ciynthia's PR #418 was approved and merged by @DevMuhdishaq.

🏆 @ciynthia: You earned 35 FoxPoints for this contribution! Your current tier: Explorer (48 total points). Track your full progress on GrantFox.

👏 Great work, @ciynthia! Keep contributing to StelTade.