Text-NLP#53tier 1live in production
transcript tone drift
cadence: Dailydata: mediumlong onlyshort onlylong short
Mechanism
Loughran-McDonald 2011, Price et al. 2012: changes in management's linguistic tone on earnings calls predict near-term price drift. We compute a per-call LM tone = (positive - negative) / (positive + negative) on the FULL transcript, then signal on the quarter-over-quarter
Data dependencies
daily_pricesAdjusted-close OHLCV for every US-listed ticker; primary price feed.
earnings_call_transcriptsFull earnings-call transcripts (prepared + Q&A), tokenised.
Expected edge
See referenced paper for original effect size; modern out-of-sample replication may be weaker.
Illustrative pattern only
NOT a backtestIllustrative pattern only — see /app for live backtests and the actual current equity curve.
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