How does emphasizing the current open change a pivot map—and when is that open actually known? 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
P=(H+L+2O_current)/4 for the selected intraday convention; levels derive from P and prior range
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.
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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.