Nov 6 - Leverage & Margin Tier Adjustment Notice

USDT-Margined Perpetual Contracts: Leverage & Margin Tier Update (ADA, SUI, HYPE)

Effective Date: November 10, 2025

Overview

In order to maintain a high-quality trading environment and strengthen risk management, Koinbay will update the leverage and maintenance margin tiers for the following USDT-Margined Perpetual Contracts:

• ADA/USDT

• SUI/USDT

• HYPE/USDT

These adjustments may affect open positions. All users are advised to take precautionary measures to rebalance positions and avoid forced liquidation or strategy termination.

Updated Leverage & Margin Tiers

ADA/USDT

Position Size (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%

SUI/USDT

Position Size (USDT)	Max Leverage	Maintenance Margin Ratio
0 – 50,000	75x	0.65%
50,000 – 120,000	50x	1.00%
120,000 – 300,000	40x	1.25%
300,000 – 1,000,000	25x	2.00%
1,000,000 – 2,000,000	20x	2.50%
2,000,000 – 10,000,000	10x	5.00%
10,000,000 – 20,000,000	5x	10.00%
20,000,000 – 30,000,000	4x	12.50%
30,000,000 – 60,000,000	2x	25.00%
60,000,000 – 100,000,000	1x	50.00%

HYPE/USDT

Position Size (USDT)	Max Leverage	Maintenance Margin Ratio
0 – 30,000	75x	0.65%
30,000 – 80,000	50x	1.00%
80,000 – 200,000	40x	1.25%
200,000 – 800,000	25x	2.00%
800,000 – 2,000,000	20x	2.50%
2,000,000 – 8,000,000	10x	5.00%
8,000,000 – 16,000,000	5x	10.00%
16,000,000 – 24,000,000	4x	12.50%
24,000,000 – 40,000,000	2x	25.00%
40,000,000 – 80,000,000	1x	50.00%

Important Notes

• Existing open positions may be affected by this change.

• Users should review and manage their account’s margin ratios accordingly.

• Contract grid strategies may be automatically terminated if they no longer meet the new margin or leverage rules.

• This update will be applied automatically during the system upgrade window.

Update Schedule

• Update Time: November 10, 2025

• Time: 15:00 (UTC+8) / 07:00 (UTC)

• Duration: Approx. 1 hour