The overnight batch handles most of the work, but markets move during the day, cash arrives, mandates change, and some decisions have to be made before the close — not after it. PRISM solves intraday drift correction and deadline-bound problems fast enough to act inside the window, with the same determinism and audit trail as the nightly run.
Intraday and deadline-bound optimization is a different discipline from the overnight batch, because the constraint is no longer "finish by morning" but "finish before this specific moment, every time." Average speed is irrelevant against a hard clock; what matters is the worst case, because the one solve that runs long is the one that misses the window. A system that is dazzling on a typical instance but occasionally stalls is operationally useless here — you cannot act on an answer that arrived after the moment you needed it.
That puts a premium on two properties most optimizers treat as afterthoughts: bounded, predictable runtime, and the ability to act on a high-quality answer within a tight deadline rather than a perfect one that comes too late. The decision is not exact-versus-fast in the abstract; it is feasible-in-time versus nothing.
PRISM takes the current state and the deadline and returns an in-time, high-quality action with the same reproducible record as the nightly run.
Returns a deadline-feasible, high-quality action with bounded runtime.
Engineered to return inside the window — the worst case is bounded, not a gamble.
Keeps accounts inside their tracking-error budget as the market moves through the day.
Intraday actions carry the same deterministic, auditable trail as the overnight batch.
In a matched-workload pilot, set the window and the quality bar and see PRISM return in time, repeatedly — with every run reproducible.
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