Sentimenttier 2exploratory

`wayback homepage diff`

cadence: Dailydata: low

Implied from RenTec / Two Sigma alt-data culture (DE Shaw, Eagle Alpha, Crimson Hexagon variants)

Mechanism

Marketing/product-launch URLs appearing on the homepage precede product-revenue inflection. New CEO/CFO bios appearing predict regime change.

Signal rule

daily diff of company IR/marketing pages via Wayback CDX; classify product-launch vs minor edit

Data dependencies

wayback_cdx_api
Worker data table — see services/worker schema.

Expected edge

Anecdotal — pilot required before sizing. Lower confidence.

Illustrative pattern only

NOT a backtest

Illustrative pattern only — see /app for live backtests and the actual current equity curve.

Example tickers where this is likely to fire

TSLA AAPL NVDA

Illustrative only — the signal fires based on the live data, not a fixed list.

Related families

wikipedia attentionSentiment

Abnormal retail attention → 2-week price run-up, year-out reversal. Wikipedia pageviews is a cleaner orthogonal signal than Google Trends (Pyun 2024 shows it dominates Trends in OOS tests).

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wayback homepage diff