Dear Users,
In order to provide more contract trading options and enhance user trading experience, the ICOIN Contract platform will officially launch the SPK/USDT and UB/USDT U-Margin Perpetual Contracts on April 23, 2026, at 20:00 (UTC+8), with a maximum leverage of 75x.
SPK/USDT Introduction:
Spark is an on-chain capital allocation tool focused on providing innovative savings returns and competitive stablecoin yield rates. Spark manages over $3.95 billion in liquidity and has generated an annualized income of over $180.4 million through deploying and managing capital in DeFi. Spark supports DeFi through its three components: SparkLend, Spark Savings, and Spark Liquidity Layer (SLL).
UB/USDT Introduction:
Unibase is the first high-performance decentralized AI memory layer. It provides long-term memory and cross-platform interoperability for AI agents, enabling them to autonomously learn, evolve, and collaborate. Unibase is building the foundation for an open Agent Internet—a modular, verifiable, and composable on-chain AI agent ecosystem. Unibase addresses the missing memory layer and interoperability problem of decentralized AI. By implementing verifiable, composable, and persistent agent infrastructure on-chain, Unibase transforms any EVM chain into an AI-native chain—laying the foundation for autonomous agents to operate across ecosystems in a fully transparent and evolvable manner.
For more information on the above perpetual contract trading pairs, please refer to the table below:
| SPK/USDT(Handling fee：maker0.04%take0.04%） | ||||
| face value：10 | price accuracy：0.00001 | |||
| gear | Leverage multiple | Maximum position nominal value | Maintain margin ratio | Maximum opening margin |
| 1 | 75 | 7500000 | 0.80% | 100000 |
| 2 | 50 | 7500000 | 1.00% | 150000 |
| 3 | 20 | 10000000 | 2.50% | 500000 |
| 4 | 10 | 15000000 | 5.00% | 1500000 |
| 5 | 5 | 25000000 | 10.00% | 5000000 |
| 6 | 4 | 40000000 | 12.50% | 10000000 |
| 7 | 2 | 60000000 | 25.00% | 30000000 |
| 8 | 1 | 500000000 | 50.00% | 500000000 |
| UB/USDT(Handling fee：maker0.04%take0.04%） | ||||
| face value：10 | price accuracy：0.00001 | |||
| gear | Leverage multiple | Maximum position nominal value | Maintain margin ratio | Maximum opening margin |
| 1 | 75 | 7500000 | 0.80% | 100000 |
| 2 | 50 | 7500000 | 1.00% | 150000 |
| 3 | 20 | 10000000 | 2.50% | 500000 |
| 4 | 10 | 15000000 | 5.00% | 1500000 |
| 5 | 5 | 25000000 | 10.00% | 5000000 |
| 6 | 4 | 40000000 | 12.50% | 10000000 |
| 7 | 2 | 60000000 | 25.00% | 30000000 |
| 8 | 1 | 500000000 | 50.00% | 500000000 |
For more contract details, please refer to: “Perpetual Contract Fee Rate and Maintenance Margin Tier Parameters Table (II)”.
At that time, you can participate in trading via the ICOIN official website or app to seize market opportunities.
Risk Warning:
Due to market fluctuations and risk conditions, ICOIN may dynamically adjust key parameters of the above contracts, including but not limited to: minimum price change, maximum leverage, initial margin, maintenance margin rate, etc.
Please stay updated on platform announcements and manage your trading risks accordingly. Thank you for your support and trust in ICOIN!
ICOIN Team
April 23, 2026
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