functionSPACE is a prediction market for trading complete probability distributions of continuous outcomes. Rather than reducing forecasts to binary outcomes or a single price, it aggregates participants’ beliefs into a consensus probability density function, providing a richer view of market expectations. Users can create and trade custom payoff functions, including ranges, directional positions, binaries, and structured derivatives, using shared liquidity. Its developer SDK enables prediction markets, trading applications, research tools, AI agents, and DeFi products to build on this infrastructure.