PRIO KNOWLEDGE
Market Forecasting Guides
A stock of evergreen guides covering market basics, drivers, economic events, indicators, and how to build and review a forecast.
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Market Basics
What Is the S&P 500? How the Index Works
A practical introduction to the S&P 500's structure, calculation, and role as a large-cap U.S. equity benchmark.
What Is the Nikkei 225? How the Price-Weighted Index Works
An English introduction to the Nikkei 225's constituents, calculation, review process, and role in Japanese equities.
Nikkei 225 vs TOPIX: 5 Key Differences (With Table)
A practical comparison that keeps price-weighted and float-adjusted market-cap-weighted indexes distinct.
Market Drivers
What Moves the S&P 500? Key Market Drivers Explained
A framework for separating a headline from the several channels through which it may reach index prices.
S&P 500 Futures: How to Read Prices, Hours, and Contracts
A guide to contract context, overnight information, price differences, and the limits of reading futures as a signal.
Nikkei 225 Futures Explained
A concise guide to futures, the cash index, contract context, and the limits of using futures prices as a forecast.
Economic Events
Indicators & Charts
Building a Forecast
How to Forecast the S&P 500: Indicators and Time Horizons
A repeatable process for organizing evidence without promising a future index level or treating one indicator as decisive.
How to Forecast the Nikkei 225
A structured way to make a Nikkei 225 forecast without treating any one market input as decisive.