D08-F01-A13 · LEVEL 2 GUIDED LAB · SYNTHETIC DATA

Pivot Range Width

How wide is the central pivot range implied by prior-session prices? Walk the evidence clock one stage at a time. This lab teaches the publication contract; it does not simulate returns, platform parity, or trade performance.

Selected expression

CPR: P=(H+L+C)/3; BC=(H+L)/2; TC=2P-BC; width=abs(TC-BC)

Availability rule

A level derived from a prior session becomes available only after that source session is final; a confirmed pivot becomes available only after its declared confirmation lag.

calculated · step 1 of 7

Verified synthetic fixture

This lab is paired with datasets/implementation-fixtures.json: 96 deterministic, oldest-to-newest observations spanning oscillating, rising, and moderating regimes. It is teaching data—not market history or predictive evidence.

Canonical latest output (D08-F01-A13)
{
  "pivot": 101.55414906333333,
  "bottom": 101.59647065,
  "top": 101.51182747666665,
  "width": 0.08464317333334748
}

Executable checks cover this result, flat/zero-volume boundaries, invalid timestamps, and prefix causality in both language entry points.