Learn as you scan

Plain-English guides to the numbers momentum traders look at every morning.

• What is float?Float is the number of a company's shares available for public trading. Learn what counts as low float, why low-float stocks move so sharply, and what float rotation means.
• What is relative volume?Relative volume compares how much a stock is trading with its normal volume. Learn how time-adjusted RVOL works, how to read 2× or 5×, and why it matters for momentum traders.
• What is VWAP?VWAP is the average price a stock has traded at today, weighted by volume. Learn how it's calculated, why traders watch it, and what above or below VWAP means.
• How pre-market gaps workA pre-market gap is when a stock trades well above or below yesterday's close before the open. Learn what causes gaps, how to measure them, and the risks of trading them.
• What is SSR?SSR, the short-sale restriction, kicks in when a stock falls 10% from the previous close. Learn how SEC Rule 201 works, how long it lasts, and what it means for traders.
• How trading halts workA trading halt stops trading in a stock. Learn the difference between volatility (LULD) pauses and news halts, how long halts last, and what happens when trading resumes.
• Dilution and offerings explainedWhy small caps sell new shares, what S-1, S-3 and 424B filings mean, how at-the-market (ATM) offerings work, and why reverse splits often come before an offering.