15+ Institutional Data Sources
Every factor, signal, and score is built on transparent, auditable data — from SEC filings to Reddit sentiment. No black boxes.
Yahoo Finance
OHLCV prices, fundamentals, market caps for 1000+ tickers across NYSE, NASDAQ, and NSE
FRED (Federal Reserve)
High-yield spreads, CPI, Fed funds rate, 2Y/10Y yield curve, ISM PMI
NSE Bhavcopy
End-of-day delivery percentages, OHLCV data, and corporate actions for NSE-listed stocks
SEC EDGAR Form 4
Real-time insider buying/selling filings — cluster scoring for corporate insiders
News Aggregation
Headlines from Yahoo Finance, Reuters, Economic Times — VADER sentiment scoring
India VIX
Volatility index for India market regime detection — replaces US VIX for NSE
US VIX
CBOE Volatility Index — key input for US regime detection and low-volatility factor
r/wallstreetbets, r/stocks, r/IndiaInvestments sentiment — bullish/bearish signal extraction
StockTwits
Real-time ticker sentiment streams — bullish/bearish emoji classification
DuckDB DataStore
Zero-copy columnar cache — nightly score recomputation across full universe
LightGBM Ranker
LambdaRank ML model combining 5 factors with walk-forward validation and IC/ICIR metrics
HMM Regime Detector
4-state Hidden Markov Model (Risk-On, Late-Cycle, Bear, Recovery) — dynamic factor weighting
SEC EDGAR Filings
10-K, 10-Q financial statements for fundamental quality scoring (Piotroski F-Score)
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