Origin Grid
Emit origin timestamps for walk-forward or backtest sweeps.
Builds the grid of scenarios a PreScore fills in: every forecast origin crossed with every lever value.
start, end and cadence give the origins; each lever in levers multiplies them by its values. maxOrigins is the brake — the cross product grows fast, and this is what stops an author asking for a hundred thousand twin runs by accident.
At a glance
Module type
OriginGrid
Category
Inputs
Default tier
reactive
Runs on
reactive, durable
Starts a flow
no
Holds a body
no
Keeps state between runs
no
Available in
every application type
Parameters
start
string · required · defaults to ""
First forecast origin in the range.
end
string · required · defaults to ""
Last forecast origin in the range.
cadence
OriginGridCadence · required · defaults to "quarter"
The step between origins.
maxOrigins
number · optional · defaults to 40
Cap on how many origins the range may produce — the brake on an accidental cross product.
levers
OriginGridLever[] · required · defaults to []
Each lever multiplies the origins by its values to make the grid.
Inputs
on
event
no
Implicit on every module that does not itself start a flow: wire an event here to make this module the start of what that event runs.
Outputs
origins
dataframe
dataframe, signal
One row per forecast origin in the range.
grid
dataframe
dataframe, signal
The full cross product of origins and lever values — one row per scenario to score.
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