import pandas as pd
# Sample data representing historical currency prices
data = {'Date': ['2022-01-01', '2022-01-02', '2022-01-03', '2022-01-04', '2022-01-05'],
'Price': [100, 110, 105, 120, 115]}
df = pd.DataFrame(data)
# Calculate daily price changes
df['Price Change'] = df['Price'].diff()
# Identify patterns based on price changes
df['Pattern'] = 'Stable'
df.loc[df['Price Change'] > 0, 'Pattern'] = 'Upward'
df.loc[df['Price Change'] < 0, 'Pattern'] = 'Downward'
print(df)