Is there seasonality? Like hiring slows down into the end of the year, is my guess. In which case, can you get 10-15 years of HN posts? Then you would need to a

Is there seasonality? Like hiring slows down into the end of the year, is my guess. In which case, can you get 10-15 years of HN posts? Then you would need to adjust by user base as well.. https://fred.stlouisfed.org/series/ICNSA https://fred.stlouisfed.org/series/ICNSA << in fact, Jobless Claims are typically seasonally adjusted. Non-seasonal adjustment indicates claims spike around start/end of the year. The idea being, all else equal, if same amount of people get hired/fired every month, but supply of jobs dips, then claims go up... Conclusion: not enough data points.