COMPANIES · REPORTS · MARKETS

Reading Market Data

Short interest and daily short-sale volume count different things

Short interest measures open positions at a reporting point; daily short-sale volume measures trading activity. Compare the definitions before interpreting a chart.

29 October 2026 · 2 min read

Reading Market Data

A Closing Share Price Can Differ From the Last After-Hours Trade

Compare share-price displays by checking the trading session, timestamp and market, rather than assuming the regular close must match the latest after-hours trade.

22 October 2026 · 2 min read