HTX to Adjust Position Limits, Leverage Tiers, and Margin Rates for Some USDT-M Futures

Dear HTX Users,

To provide users with a better trading experience and reduce market risks, HTX will adjust the position limits in the Single-Asset Collateral mode and leverage tiers and margin rates in the Multi-Assets Collateral mode for the following perpetual futures on August 22, 2025, at 07:00 (UTC). See below for the adjustment details:

1. Position limit adjustments in the Single-Asset Collateral mode:

DMCUSDT perpetual futures:
Leverage	Position Limit in USDT (before)	Position Limit in USDT (after)
≥1	200,000	100,000
≥6	100,000	50,000
≥11	25,000	10,000
VELVETUSDT perpetual futures:
Leverage	Position Limit in USDT (before)	Position Limit in USDT (after)
≥1	200,000	100,000
≥6	500,000	50,000
≥11	25,000	10,000
NAORISUSDT perpetual futures:
Leverage	Position Limit in USDT (before)	Position Limit in USDT (after)
≥1	200,000	100,000
≥6	100,000	50,000
≥11	25,000	10,000
SUNDOGUSDT perpetual futures:
Leverage	Position Limit in USDT (before)	Position Limit in USDT (after)
≥1	600,000	300,000
≥6	200,000	100,000
≥11	75,000	25,000

2. Leverage tier and margin rate adjustments in the Multi-Assets Collateral mode:

DMCUSDT perpetual futures:
Tier	Leverage	Position Limit In Cont (before)	Position Limit In Cont (after)	Maintenance Margin Rate
1	20	5,000	2,400	2.00%
2	10	20,000	10,000	3.00%
3	5	40,000	25,000	4.00%
VELVETUSDT perpetual futures:
Tier	Leverage	Position Limit In Cont (before)	Position Limit In Cont (after)	Maintenance Margin Rate
1	20	4,100	1,600	2.00%
2	10	16,000	8,000	3.00%
3	5	33,000	16,000	4.00%
SUNDOGUSDT perpetual futures:
Tier	Leverage	Position Limit In Cont (before)	Position Limit In Cont (after)	Maintenance Margin Rate
1	20	15,000	7,000	2.50%
2	10	61,000	23,000	3.50%
3	5	180,000	70,000	4.00%
HUMAUSDT perpetual futures:
Tier	Leverage	Position Limit In Cont (before)	Position Limit In Cont (after)	Maintenance Margin Rate
1	20	3,500	8,000	2.00%
2	10	14,200	32,000	3.00%
3	5	28,500	64,600	4.00%

Please note:

• Existing positions opened before the update will be affected;

Thank you for your continued support!

HTX Team

Aug 22, 2025

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HTX reserves the right in its sole discretion to amend or change or cancel this announcement at any time and for any reasons without prior notice. The above is for information purposes only and HTX makes no recommendations or guarantees in respect of any virtual asset, product, or promotion on HTX. Prices of virtual assets are highly volatile and trading virtual assets involves risk. Please read our Risk Reminder text here.