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Articles that name today’s leaders, then explainers for the concepts that came up.
Short Interest vs. Short Volume: different data, limited intraday usefulnessCompare short interest and short-sale volume, publication delays, coverage and days to cover. Learn why these public datasets have limited value for live day trading.
Low-float stocks: why float estimates disagree and what the number does not tell youUnderstand low-float stocks and conflicting float estimates. Separate shares outstanding, regulatory public float, potential dilution and executable liquidity.
Gap up, gap down, and premarket change: which price are you comparing?Learn how gap up and gap down are calculated, how opening gaps differ from premarket changes, and why the reference price and timestamp matter.
What Time Do Small-Cap Gappers Hit Their High of Day?A look at 671 US stock gap-ups of 20% or more from July 1 to October 2, 2026: when the 4:00 a.m.–8:00 p.m. ET high printed, split by gap size, price and how the day ended.
Offering, dilution, and reverse split: what is actually changing?Understand stock offerings, dilution, and reverse splits. Distinguish new issuance from resale and check transaction stages before interpreting share counts.
What is a shelf registration? Reading S-3 filings, ATMs and offering capacityLearn what a shelf registration means in U.S. stocks. Separate S-3 capacity, ATM programs and actual sales; understand baby shelves and check SEC filings.
A stock suddenly moves: how do you establish what happened?Research why a stock moved using company announcements, SEC filings, and a source-linked timeline. Separate confirmed events from explanations and unknowns.
Retrospective data built after the session from stored records, with links to the original sources. Not real-time, not investment advice and not a recommendation to buy or sell any security.