Sentiment analysis (AI)

AI bepaalt of tekst positief/negatief is.

Sentiment analysis is AI/NLP-techniek om de emotionele tonality van tekst te bepalen — positief, negatief of neutraal.

Toepassingen in finance:

News sentiment: aggregeer headlines, bepaal markt-stemming
Social media sentiment: Twitter, Reddit, StockTwits
Earnings call transcripts: positive/negative language door management
Analyst reports: bullish vs bearish

Approaches:

Rule-based: keyword lijsten (oud)
Machine learning: Naive Bayes, SVM (medium)
Deep learning (BERT, transformers): state of art
LLM-based: Claude/GPT direct sentiment scores

Voor onze app:

We gebruiken sentiment analysis voor:

Reddit/Twitter mention scoring
News sentiment per ticker
Earnings call tone

Output zichtbaar op /dash/sentiment + /dash/reddit-sentiment.

Beperkingen:

Sarcasm + irony moeilijk
Context-dependent
Spreektaal vs financial jargon
Manipulatie mogelijk (bots, pumps)

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Sentiment analysis (AI) · Insiviz