Algostream_pairsmodule Adf : sig ... endAugmented Dickey-Fuller unit-root test.
module Cointegration : sig ... endCointegration tests.
module Config : sig ... endTunable parameters for the pairs trading layer.
module Correlation : sig ... endThin wrapper around Rolling_corr: per-pair price-level Pearson correlation.
module Hedge_ratio : sig ... endβ estimator for the spread regression y ≈ β·x + α.
module Mackinnon_cv : sig ... endmodule Mean_reversion : sig ... endMean-reversion signal classifier + half-life estimator.
module Ols : sig ... endSmall-dim ordinary least squares via Gram matrix + Cholesky.
module Pair_id : sig ... endCanonical pair identifier.
module Per_pair : sig ... endSingle-Domain-owned per-pair state machine.
module Processor : sig ... endPairs Trading facade.
module Selection : sig ... endPair universe enumeration + screening / ranking.
module Snapshot : sig ... endImmutable per-pair snapshot.
module Spread : sig ... endSpread tracker: s_t = y_t − β·x_t − α, with rolling mean / std / z-score.