CHICAGO, IL – December 1, 2025 – Rival Systems, a leading provider of trading and risk management technology, today announced that it has added full support for event contracts within both its Rival One multi-asset trading application and Rival Risk post-trade risk system.

Within Rival One, traders can view real-time market data, implied volatility, theoretical prices, risk metrics, and trade prediction markets using the same intuitive interface and advanced order management tools they rely on for other asset classes. Rival’s support for 24/7 trading ensures clients can engage with event contracts continuously, taking advantage of opportunities as they emerge around the clock.

Rival Risk delivers real-time P&L, position tracking, and risk metrics, for event contracts — all available 24/7 — giving firms a unified, always-on view of exposure across their full portfolio. The systems’ continuous risk monitoring allows clients to measure intraday performance and manage positions dynamically, even in markets that trade outside traditional trading hours.

“Event contracts are opening the door to a new generation of traders, and we’re excited to support that growth by providing 24/7 trading and risk tools that deliver the same level of accuracy and performance users expect from Rival.” said Rob D’Arco, CEO of Rival Systems.

By adding support for event contracts, Rival continues to expand its coverage of global derivatives products, ensuring that clients can stay ahead of evolving market opportunities while maintaining a robust, real-time view of performance and risk.

About Rival Systems

Founded in 2015, Rival Systems delivers an integrated ecosystem of enterprise trading and risk management solutions. The company’s technology suite includes market data feed handlers, multi-asset trading tools, enterprise risk management systems, and open APIs for algorithmic development—all built on ultra-low latency architecture. Rival’s products empower firms to compete in today’s fast-moving markets while achieving greater efficiency, scalability, and insight.

To learn more about Rival’s comprehensive solutions for market data, trading, and risk management, visit RivalSystems.com.