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New Features:
- Created dedicated visualizations.html with 5 interactive charts
- Distribution of Abnormal Returns (histogram)
- Cumulative Abnormal Returns timeline (-5 to +5 days)
- Event distribution by company (top 15 companies)
- Mean abnormal returns by company (horizontal bar chart)
- Event timeline showing releases over time (monthly aggregation)

Technical Implementation:
- Uses Plotly.js for interactive charts with clean, minimal styling
- D3.js for CSV data parsing and aggregation
- Loads data from docs/data/event_study_results.csv (1,413 events)
- All charts use consistent monochrome aesthetic (blacks/grays)
- Responsive design with mobile breakpoints

Styling:
- Matches clean, academic aesthetic from other pages
- Grid-based stat boxes showing key metrics
- Subtle hover interactions
- Georgia serif headings, Helvetica sans body text

Navigation Updates:
- Added "Visualizations" link to all page navigations
- Updated report.html with proper nav structure and styling
- Consistent navigation across all 5 pages

User Experience:
- Loading states while data fetches
- Error handling if data files missing
- Interactive tooltips and zoom on all charts
- Downloadable chart images via Plotly toolbar (hidden by default)
- Force add CSV and JSON data files (override .gitignore)
- Add .nojekyll to disable Jekyll processing
- Fixes 404 errors on visualizations page
@tomalmog tomalmog merged commit 5ffef04 into main Nov 15, 2025
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@tomalmog tomalmog deleted the claude/github-stock-impact-analysis-011ghrU9rLpa9ctf82aiEFrw branch November 15, 2025 22:58
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3 participants