Independent Archived

StockyLab

Consumer Investing App with Fundamental Analysis

Timeline 2020 - 2021
Role Founder & Developer
StockyLab

Project Overview

A consumer investing app for iOS and Android that scored companies on fundamentals, estimated intrinsic value, and generated buy or hold signals with a simple portfolio simulator.

Key Metrics

Value Proposition
Transparent Quality
Opinionated fundamental analysis
User Safety
Paper Trading
Test ideas before capital commitment
Platform Coverage
iOS + Android
Cross-platform deployment

Technology Stack

Cross-platform Mobile AppCloud AuthPush NotificationsServerless EndpointsDocument DBObject StorageMarket Data APIs

Key Features

Data ingestion with scheduled pulls from market-data APIs and normalization

Composite scoring model from profitability, leverage, growth and cash metrics

Multi-model fair value estimator blending DCF and relative multiples

Thresholded signals with confidence bands and watchlist alerts

Paper-trading portfolio with PnL and drawdown tracking

Basic cohort analytics to correlate factors with user retention

Guardrails and missing-data handling for scoring accuracy

Cross-platform mobile app with cloud auth and push notifications

Challenges Solved

  • Building composite scoring model with guardrails for missing data
  • Implementing multi-model fair value estimator with sanity bands
  • Creating thresholded signal system with confidence intervals
  • Developing cohort analytics to understand user retention factors
  • Ensuring accurate data normalization and caching from market APIs

Key Outcomes

  • Successfully launched cross-platform consumer investing app
  • Built transparent fundamental analysis system for retail investors
  • Implemented paper trading portfolio with comprehensive tracking
  • Achieved comprehensive press coverage and app store presence