Freddie_Mac_PMMS.svg
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Summary
| Description |
English:
Freddie Mac weekly Primary Mortgage Market Survey (PMMS) from April 1971 to March 2024, showing 30-Yr FRM, 15-Yr FRM, and 5/1 ARMs. Source:
https://www.freddiemac.com/pmms
|
| Date | |
| Source | Own work |
| Author | Semper Exploro |
Source
# packages
library(tidyverse)
# read pmms data
df <- read_csv("PMMS_history.csv")
# make date into date format
df <- df %>%
mutate(date = as.Date(date, format = "%m/%d/%Y"))
# arrange data in tidy format
df <- df %>%
select(date, pmms30, pmms15, pmms51) %>%
rename("30-Yr FRM" = 2, "15-Yr FRM" = 3, "5/1 ARM" = 4) %>%
pivot_longer(-date, names_to = "rate_type", values_to = "rate_value")
# generate line plot for rates
df %>%
ggplot(aes(x = date, y = rate_value/100, color = rate_type)) +
geom_line() +
scale_x_date(date_labels = "%Y", date_breaks = "8 years") +
scale_y_continuous(labels = scales::percent) +
labs(title = "Primary Mortgage Market Survey (PMMS)",
subtitle = "U.S. Weekly Averages since April 1971",
caption = "Source: Freddie Mac",
x = "", y = "", color = "") +
theme_bw() +
theme(text = element_text(family = "serif"),
plot.title = element_text(hjust = 0.5),
plot.subtitle = element_text(hjust = 0.5),
legend.position = c(.88,.93),
legend.background=element_blank())
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