Sentiment Analysis
Track news sentiment, analyst upgrades/downgrades en social media buzz voor stocks.
Overzicht
Sentiment Analysis helpt je om market psychology te meten:
- News Sentiment - Positive/negative/neutral classification van articles
- Analyst Sentiment - Buy/hold/sell ratings + price target changes
- Social Sentiment - Twitter, StockTwits, Reddit mentions
- Sentiment Score - Aggregated 0-100 bullish/bearish meter
- Sentiment Changes - Track shifts in perception over time
- Correlation Analysis - How sentiment predicts price moves
Sentiment Indicators
Put/Call Ratio
High ratio (>1.0) = bearish, lots of puts. Low ratio (<0.7) = bullish, calls dominate. Contrarian indicator - extreme readings signal reversals.
VIX (Fear Index)
VIX < 15 = complacency, VIX > 30 = panic. Spikes mark bottoms - "buy when VIX is high, sell when VIX is low".
AAII Bull/Bear Survey
Retail investor sentiment survey - weekly data. Extreme bullishness (>50%) often precedes corrections. Contrarian tool.
News Sentiment Score
NLP analysis van headlines - quantify positive/negative tone. 80+ = overly bullish, <30 = despair (buy signal).
Using Sentiment
- Contrarian Strategy - Extreme pessimism = buying opportunity, euphoria = sell signal
- Confirmation Tool - Rising sentiment + rising price = healthy trend
- Divergence Signals - Price up but sentiment down = warning sign
- Volume Validation - High sentiment + low volume = weak signal
💡 Pro Tip: Best trades often come when sentiment is worst - "be greedy when others are fearful"!
Sentiment Extremes
- Extreme Fear - March 2020 COVID crash, 2008 financial crisis - beste buying opportunities
- Extreme Greed - Dot-com bubble 2000, crypto mania 2021 - distribution phases
- Capitulation - When last bull gives up = bottom is near
- Euphoria - "Everyone" is bullish, taxi driver gives stock tips = top
Sentiment Tools
- Google Trends - Search volume voor stocks/crypto - retail interest gauge
- Twitter Sentiment - Track $TICKER mentions, bullish/bearish ratio
- Reddit WallStreetBets - Retail mania indicator - extreme posts = reversal
- Analyst Ratings - Upgrade/downgrade waves drive short-term moves
Common Pitfalls
- Following the Crowd - Consensus is usually wrong at extremes
- Ignoring Fundamentals - Sentiment kan misleading zijn - check earnings
- Timing Too Early - Markets can stay irrational longer than you can stay solvent
- Echo Chambers - Social media amplifies bias - seek diverse views