Nov-3-Futures Contracts: Leverage & Margin Tier Adjustment Notice

Effective Date: November 03, 2025

Overview

To better maintain a high-quality trading market and adapt to dynamic risk management protocols, Koinbay is updating the leverage and margin tiers for several USDT-margined perpetual contracts, namely: • SOL/USDT • TRX/USDT • DOGE/USDT

Users with open positions in these contracts will be affected. Please review your margin ratio and position size to avoid potential forced liquidations.

SOL/USDT Adjustments

Position Tier (USDT)	Max Leverage	Maintenance Margin Ratio
0 - 50,000	100x	0.50%
50,000 - 400,000	75x	0.65%
400,000 - 1,000,000	50x	1.00%
1,000,000 - 4,000,000	25x	2.00%
4,000,000 - 8,000,000	20x	2.50%
8,000,000 - 40,000,000	10x	5.00%
40,000,000 - 80,000,000	5x	10.00%
80,000,000 - 100,000,000	4x	12.50%
100,000,000 - 200,000,000	2x	25.00%
200,000,000 - 400,000,000	1x	50.00%

TRX/USDT Adjustments

Position Tier (USDT)	Max Leverage	Maintenance Margin Ratio
0 - 10,000	75x	0.65%
10,000 - 90,000	50x	1.00%
90,000 - 120,000	40x	1.50%
120,000 - 650,000	25x	2.00%
650,000 - 800,000	20x	2.50%
800,000 - 3,000,000	10x	5.00%
3,000,000 - 6,000,000	5x	10.00%
6,000,000 - 12,000,000	4x	12.50%
12,000,000 - 20,000,000	2x	25.00%
20,000,000 - 30,000,000	1x	50.00%

DOGE/USDT Adjustments

Position Tier (USDT)	Max Leverage	Maintenance Margin Ratio
0 - 80,000	75x	0.65%
80,000 - 150,000	50x	1.00%
150,000 - 750,000	40x	1.25%
750,000 - 2,000,000	25x	2.00%
2,000,000 - 4,000,000	20x	2.50%
4,000,000 - 20,000,000	10x	5.00%
20,000,000 - 40,000,000	5x	10.00%
40,000,000 - 50,000,000	4x	12.50%
50,000,000 - 100,000,000	2x	25.00%
100,000,000 - 200,000,000	1x	50.00%

Risk Warning

Please take the following actions to protect your account: • Review Margin Ratio: Monitor your maintenance margin ratio to avoid unexpected liquidations. • Adjust Positions: Users are advised to reduce high-risk exposures and rebalance existing positions. • Contract Grid Strategies: These may be automatically terminated if new margin/leverage requirements are not met.

Platform Adjustments

• System Update Window: Leverage tiers will update automatically across SOL/USDT, TRX/USDT, and DOGE/USDT markets during the change window. • Temporary Limitations: Certain trade types may be temporarily disabled during the 1-hour update process. • Monitoring Tools: All changes will reflect in your Futures Dashboard in real time.

Final Note

These changes aim to ensure platform safety, market integrity, and a smooth trading experience. We encourage all users to take proactive action to align with the new margin rules.