Ouyi Officially Launches SIGN Perpetual Contract

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Dear Ouyi User,

Ouyi is excited to announce the official launch of the SIGN/USDT perpetual contract across its web platform, mobile app, and API interfaces. Trading begins at 7:30 PM (UTC+8) on April 28, 2025. Below are the key details:


Contract Overview

Sign is a blockchain-based verification infrastructure that enables cross-border validation of legal identities, digital contracts, token ownership, and other critical digital assets by governments, financial institutions, and individuals. Its flagship product, TokenTable, supports core crypto-economic functions like token airdrops, vesting schedules, and OTC trading.


Contract Specifications

ElementDetails
Underlying IndexSIGN/USDT Index
Settlement CurrencyUSDT
Contract Face Value100 SIGN
Price QuotationUSDT per 1 SIGN
Minimum Price Change0.00001
Leverage Range0.01x – 20x
Funding Rate FormulaClamped premium index + interest rate adjustments (see product docs)
Funding Fee IntervalEvery 4 hours
Trading Hours24/7

Note:


Trading Rules

The SIGN/USDT perpetual contract follows Ouyi’s standard limit-order rules. For specifics, review the:
👉 Ouyi Perpetual Contract User Agreement


Why Trade SIGN on Ouyi?


FAQ

Q1: What time does SIGN perpetual trading start?
A1: 7:30 PM UTC+8 on April 28, 2025.

Q2: Is there a leverage limit for SIGN contracts?
A2: Yes, leverage ranges from 0.01x to 20x.

Q3: How often are funding fees calculated?
A3: Every 4 hours, with rate caps as noted above.

Q4: Where can I learn more about Sign’s technology?
A4: Visit the 👉 Sign Project Website for whitepapers and updates.


Ouyi remains committed to delivering cutting-edge products and exceptional service. Happy trading!

Ouyi Team
April 28, 2025


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