D11-F02-A01 · GUIDED PLAYGROUND
Quoted Spread
How far apart are the best displayed prices available to an immediate seller and buyer? Choose a scenario, step through 61 deterministic calculations, and audit why the state changes.
◆ Synthetic teaching data · not a live market measurementHorizontal: controlled step. Vertical: Quoted spread (bps).
Liquidity and Spreads · measurement context
What liquidity is displayed at the best bid and ask right now?
Nearest comparison
Effective Spread adds an execution; Queue Imbalance adds displayed size.
Do not substitute
It is not the price a trade actually received and says nothing about hidden depth.