A latest-revised historical series cannot recreate what was available to a reader before the original release.
sounding open dataReading the waterlineLive sources are loading. Nothing is filled with placeholder market data.
Observation time and system time stay separate so first releases, later revisions, and method changes can be inspected without look-ahead bias.
This instrument is a method view. No value, direction, or macro score is inferred from missing coverage.
A latest-revised historical series cannot recreate what was available to a reader before the original release.
Run bounded scheduled captures and preserve each changed observation under its source receipt and vintage.