Lab
Instruments & counterfactuals
Descriptive instruments and counterfactual replays. edge_claimed:false throughout -- these surfaces measure, they do not claim.
Counterfactual explorer
A score-margin x game-time heatmap of calibration error, per state cell, model vs. market vs. realized outcome.
Open counterfactual -->Microstructure lab
Tick-level instruments: gap/entropy over game-time, info arrival, market convergence, residual autocorrelation.
Open microstructure -->