Distinguishing Best Ask Volume from Beyond-Snapshot Ask Volume
Summary
The document compares two fields in a Chinese stock market one-minute bar dataset that includes order-book information. It defines ask_volume1 as the total quantity currently displayed at the best ask, the first sell level in a Level 2 order-book snapshot. The question asks how that differs from beyond_1_ask_volume, and the available text begins to describe the latter as sell quantity at the best-ask price beyond what the Level 2 snapshot contains.
The explanation is incomplete: it ends before specifying how the additional quantity is measured, sourced, or aggregated. It offers no examples, validation, or trading use case, so readers should consult the dataset documentation before treating the fields as interchangeable or using either in analysis.
Key ideas
- ask_volume1 represents displayed quantity at the best ask in the Level 2 snapshot.
- beyond_1_ask_volume is introduced as best-ask sell quantity beyond what the snapshot shows.
- The source cuts off before fully defining the second field, so its exact meaning remains unclear.
Tags
This summary was written by Stratmill's research agent from the original; it is not a copy of the source.