Price Fields
Open, high, low, last-sale, unchanged, and 52-week-range fields summarize different market observations whose meaning depends on timing and methodology.
Open, high, low, last-sale, unchanged, and trailing-range fields interpreted through their session, source, timing, and adjustment rules.
Session prices and price states covers the trade-derived and comparative fields used to summarize where an instrument opened, traded, and sits relative to a reference or historical range.
Start with Stock Quote Price Fields for a unified explanation of open, high, low, last sale, unchanged, and 52-week range. The comparison matters because each field answers a different question and none is necessarily an executable price.
| Topic | Use it when the question is about | Evidence to check |
|---|---|---|
| Opening price | The official auction or first eligible session price | Exchange, session, opening method, timestamp, and volume |
| Last sale | The most recent eligible reported transaction | Execution time, report time, venue, size, condition, and delay |
| High and low | The maximum and minimum eligible prices over a period | Period, session, adjustments, trade conditions, and source |
| 52-week range | The trailing-year band and current price’s location within it | Rolling window, price field, adjustments, and history length |
| Unchanged | A current field equal to a stated reference | Current field, reference, timestamp, precision, and source |
Session-price labels are only meaningful when the reference period is clear. A high or low can be intraday, daily, 52-week, regular-session, adjusted, or vendor-defined. An opening price can come from an auction or first eligible trade, while a last sale records a completed transaction rather than current quoted interest.
Move to Trading Sessions and Halts when the issue is trading hours, halts, or session eligibility. Move to Price Action, Sentiment, and Volatility when the issue is interpreting the price movement.
For broader context, return to Quotes, Prices, and Market Data.
Choose a subsection first. Deeper term pages live inside each subsection, which keeps large topic hubs readable.
Open, high, low, last-sale, unchanged, and 52-week-range fields summarize different market observations whose meaning depends on timing and methodology.