Advanced EV Lab · The R&D Sandbox
The lab is a sandbox with a door.
Layer 01 — R&D boundary
The lab is a sandbox with a door.
Weight experiments, filter ideas, and profile candidates live here — validated against evidence before deliberate promotion. Production data flows forward cleanly; the lab must never contaminate the live Scorecard until a change is tested, approved, and intentionally moved into production.
Layer 02 — Where it lives
Inside Advanced EV Lab.
Within Advanced EV Lab, this is one load-bearing idea — worth its own page. The parent module frames it this way: The Advanced EV Analytics Lab is the deep expectancy environment: EV by branch, rolling EV, blended EV, standard-versus-variant logic, sensitivity maps, and outlier-robustness testing. It answers whether the EV number you're trusting deserves the trust.
How MARS uses this
Each closed trade logs its worst adverse excursion and best favorable excursion. The lab plots them into quadrants and pairs the picture with capture efficiency, giveback, and fee drag - then the EV Driver Diagnostics rank which repair (entry location, coefficient, trail logic, cost avoidance) would move net expectancy most.
How it benefits you
Review produces one concrete fix instead of a vague resolution to 'trade better'. You see whether stops are too tight, entries are chased, exits leak the runner, or fees quietly eat the edge - and whether a profitable week was actually clean or just lucky.
Every trade plotted by pain taken (MAE) versus opportunity generated (MFE). The four quadrants diagnose entry precision and exit management at a glance.
Layer 03 — The door's paperwork
Findings exit with their assumptions stapled on.
Anything leaving the sandbox carries its provenance: the evidence window used, the sensitivity ranges tested, and the conditions under which the finding held. Downstream reviewers see the finding and its fragility together — which prevents the classic failure where a conclusion outlives the narrow conditions that produced it.
The governing idea
Connected inside MARS
This module doesn't work alone.
Go deeper
Operator briefs on this territory.
Deep dive — 01
Evidence flows into the sandbox freely. Nothing leaves without paperwork.
Data in, freely. Conclusions out, only through the workflow. The asymmetry is the whole design.
Read the full brief →
Deep dive — 02
Four research tools, four production rules — the boundary drawn precisely.
EV sensitivity, the Scorecard Lab, scenario profiles, Monte Carlo — each with a stated production rule.
Read the full brief →
Deep dive — 03
The written change note: the only legal door from research into production.
Promotion is a documented act. Undocumented adoption isn't a faster promotion — it's a different thing entirely.
Read the full brief →
Take it further
The sandbox inside the workbook is bounded by the workbook. The Foundry is the same idea without that ceiling — upload a record, stress it, and bring back only what survived.
Open the AlphaRail Foundry Lab ↗
Every module ships in the complete MARS package.
One price. Eleven workbooks, three TradingView indicators, and the full manual library — $497.