Prediction

Implement Walk-Forward Optimization with XGBoost for Stock Price Prediction in Python

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Implement Walk-Forward Optimization with XGBoost for Stock Price Prediction in Python

By Ajay Pawar Have you ever noticed how a model that once predicted stock prices with pinpoint accuracy suddenly starts missing the mark? This isn’t just bad luck—it’s often the result of concept drift or model drift, common challenges in the ever-evolving world of quantitative finance. Financial markets are anything but static; their dynamic nature … Read more

Decentralized Prediction Markets: A New Era of Forecasting and Decision-Making

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Decentralized Prediction Markets: A New Era of Forecasting and Decision-Making

By Terry Ashton, updated February 6, 2025 Prediction markets enable trading contracts on future events. Contract prices reflect the market’s belief in an event’s outcome. For instance, a candidate’s election contract price rises as their victory chances increase Traditionally, prediction markets have been centralized, controlled by a single entity. This centralization presents inherent risks: Manipulation: … Read more