D11-F02-A02 · GUIDED PLAYGROUND
Effective Spread
How far did a signed execution occur from the contemporaneous quote midpoint? 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: Effective spread (bps).
Liquidity and Spreads · measurement context
How far did a signed execution occur from its contemporaneous midpoint?
Nearest comparison
Quoted Spread is displayed cost; Realized Spread moves the benchmark to a future midpoint.
Do not substitute
It is not a post-trade dealer-revenue measure and does not isolate market impact.