Overlay is a decentralized protocol designed for trading based on any scalar, non-manipulable, and unpredictable data stream. The platform allows users to take long or short positions in various markets by locking the native token. This mechanism creates a flexible trading environment where outcomes are determined by the success of the user's positions. Users engage with the protocol by locking the OVL token, which plays a crucial role in executing trades. The smart contract system within Overlay dynamically mints or burns OVL tokens in response to the performance of these positions, ensuring that the supply of tokens reflects the market activity. The protocol has been successfully launched on the mainnet within a controlled setting called the Litter Box. This innovative environment is designed to facilitate user engagement while keeping the overall token circulation limited, with fewer than 20,000 OVL currently in circulation. By focusing on data-driven trading, Overlay provides an exciting opportunity for users to participate in markets that are typically difficult to navigate. Its unique features aim to enhance trading strategies and create a more accessible financial ecosystem for all participants.