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Notes on screeners and market data

Walkthroughs, screener diaries and user interviews from StockMarketScan.

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2 posts

October 29, 2025
Screener guides
How to Spot Strong Volume Gains in Stocks
How the Strong Volume Gains Screener spots stocks with sustained volume and price strength, and filters out one-day spikes that often reverse.
October 12, 2025
Options flow
Unusual Options Activity Explained: How to Read the Data
Unusual options activity explained: what the volume-to-open-interest ratio measures and how to use it as one input in your own market research.