# Investing by The Assembly Method

> An early-stage long-term investing tool designed to review a portfolio monthly, analyze market and risk conditions, explain what changed, and keep the user in control of permissions.

Canonical site: https://investing.theassemblymethod.com/
Public methodology: https://investing.theassemblymethod.com/methodology/
Public trust and brokerage boundary: https://investing.theassemblymethod.com/trust
Sample monthly financial letter (synthetic owner data): https://investing.theassemblymethod.com/sample-letter
Privacy notice: https://investing.theassemblymethod.com/privacy
Early-access service terms: https://investing.theassemblymethod.com/terms

## Core facts

- Product: Investing by The Assembly Method
- Primary decision cadence: monthly
- Weekly behavior: observe_only
- Strategy: ETF Tilt System
- Policy version: v0.1.0
- Policy hash: 3faadabdf71da180
- Current methodology snapshot: 2026-08-25
- Intended behavior: disciplined recurring portfolio review and bounded ETF allocation, not day trading or individual-stock prediction
- User authority: recommendations and execution permission are separate; account permissions remain explicit

## Methodology and machine-readable sources

- https://investing.theassemblymethod.com/methodology/README.md — methodology overview
- https://investing.theassemblymethod.com/methodology/system-card.md — inputs, decision path, controls, outputs, limitations
- https://investing.theassemblymethod.com/methodology/implementation-audit.md — executable-code audit
- https://investing.theassemblymethod.com/methodology/evidence-standard.md — publication standard for performance evidence
- https://investing.theassemblymethod.com/methodology/evidence/publication-gate.md — machine-checkable historical-evidence requirements
- https://investing.theassemblymethod.com/methodology/methodology-manifest.json — current methodology/evidence status
- https://investing.theassemblymethod.com/methodology/generated-policy.json — current public-safe policy parameters
- https://investing.theassemblymethod.com/methodology/calculations.py — public core return/risk calculations
- https://investing.theassemblymethod.com/methodology/examples/reproduce_synthetic_metrics.py — standalone synthetic calculation example
- https://investing.theassemblymethod.com/methodology/data/treasury_bill_2025-06-30.json — official Treasury bill input snapshot
- https://investing.theassemblymethod.com/methodology/examples/reproduce_treasury_cash_benchmark.py — standalone real-market cash benchmark calculation

## Current evidence boundary

- Long-term independently verified live track record: not_established
- Proven superiority to a simple passive portfolio: not_established
- Independent third-party methodology review: not_completed
- Synthetic reproducibility example: standalone_and_private_parity_tested

A methodology specification is not a performance result. A backtest is not a live track record. Nothing on the public methodology surface should be interpreted as guaranteed returns, proven outperformance, or suitability for every investor.