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EUR/PLN Monitor Pro


Click here to try the Web App

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Key Features:


Real-Time Rate Engine:

  • Continuously polls Yahoo Finance API for live EUR/PLN rates
  • 60-second refresh cycle with timestamped updates
  • Bidirectional conversion calculator (PLN↔EUR)

Historical Analysis Module:

  • Adjustable timeframes (7D to 20Y)
  • 7-day moving average overlay
  • Period high/low detection with difference calculations
  • Event-driven volatility analysis

Impact Simulation System:

  • Scenario modeling for ±10% rate fluctuations
  • Dual-case analysis (Polish income/EU tourist budgets)
  • Difference tracking in both base and quote currencies

Quantitative Forecasting:

  • Linear regression-based projections (7-90 day horizons)
  • Daily trend coefficient calculation
  • Confidence interval visualization

Event Study Framework:

  • Pre-loaded economic events (2004 EU accession to 2022 Ukraine conflict)
  • Automated rate change percentage calculations
  • Visual timeline comparison interface

Bilingual Interface:

  • Dynamic English/Polish language switching
  • Culturally adapted financial terminology
  • Consistent decimal formatting (4-place precision)



Usage:


  1. Input Parameters (Sidebar):
    • Select analysis mode (Dashboard/Impact/Forecast/Events)
    • Choose timeframe (7D/30D/90D/1Y/5Y/Max)
    • Toggle language (EN/PL)
  2. Dashboard Operation:
    • Monitor real-time rate in metric panel
    • Hover interactive chart for historical rates
    • View key metrics (7D change, period extremes)
  3. Impact Calculations:
    • Enter PLN salary or EUR budget amounts
    • Review conversion scenarios at current ±10% rates
    • Analyze difference metrics in output table
  4. Forecast Modeling:
    • Adjust projection horizon (7-90 day slider)
    • Review trend direction and daily change coefficient
    • Compare forecasted range against current rate
  5. Event Analysis:
    • Select from 7 historical economic events
    • View pre/post-event rate trajectories
    • Analyze percentage changes during event periods




Click here to view the code on GitHub