Merged_data <- Merged_data %>%
mutate(Price_GBP_rescale = Price_GBP* 2)
p1 <- ggplot(Merged_data, aes(x = Date)) +
geom_line(aes(y = Price, color = "Share price (AUD)"), linewidth= 0.8) +
geom_line(aes(y = FX_shifted, color = "GBP vs AUD (rescaled)"), linewidth = 0.8) +
geom_line(aes(y = Price_GBP_rescale, color = "Share price (GBP rescaled)"), linewidth = 0.8) +
geom_line(aes(y = Price_GBP, color = "Share price (GBP)"), linewidth = 0.8) +
scale_color_manual(values = c(
"Share price (AUD)" = "#00BFC4",
"GBP vs AUD (rescaled)" = "#F8766D",
"Share price (GBP rescaled)" = "blue",
"Share price (GBP)" = "steelblue"
))
p1