- New backend endpoint GET /quotes/:type/peak-hours
- Groups daily price data by hour to find peak frequency
- Bar chart showing how often each hour is the daily peak
- Only displayed for BELO currency in analysis page
- New backend endpoint GET /api/quotes/monthly-last
- MonthlyVariationTable component with BELO/Blue/Oficial % changes
- Inflation data from ArgentinaDatos API with 24h cache
- Visual indicators: green if beats inflation, red if below
- Responsive: cards on mobile, table on desktop