US Weekly Initial Jobless Claims (ICSA)

Published every Thursday morning at 8:30 AM ET by the U.S. Department of Labor’s Employment and Training Administration, Initial Jobless Claims counts actual administrative filings for state unemployment benefits with only a five-day lag. Unlike sample surveys, it captures real-world corporate layoffs every single week. US Weekly Initial Jobless Claims (ICSA) earns #9 ahead of Advance Monthly Retail Sales (#10) and just behind the 10Y–2Y Treasury Spread (#8) because no other federal statistic delivers an administrative headcount of real-world layoffs every seven days. Compiled directly from state unemployment insurance filings across all fifty states rather than household phone or web polls, Thursday 8:30 AM ET claims become Wall Street’s highest-focus growth check whenever labor-market nerves flare between monthly Nonfarm Payrolls (#2) Fridays—especially during the mid-month week matching the BLS payroll survey window. It places #9 rather than top-five because single-week filings swing around federal holidays, summer auto-plant retooling, and severe weather, muting average single-Thursday Treasury moves relative to monthly CPI (#1) or preliminary Michigan Consumer Sentiment (#4).