Open data · Updated monthly · November 2026
Public data, woven into signals.
Free monthly data indexes built from public sources. Each index is a set of aggregate tables with its methodology, a CSV download and a dated edition, licensed CC BY 4.0.
Indexes
Startup & Tech Salary Index
Across 11,531 open job postings with an advertised pay range at 383 companies (Greenhouse, Ashby and Lever job boards, 2026-11-14), the US median advertised salary for a senior engineer is $176,250, against $156,500 at mid level and $205,000 at staff level.
Open the index → Index 02 · Local economyNew Openings Pulse
In the 30 days to 2026-11-14, official open-data records show 1,205 new food, drink and food-retail businesses in New York City (1,238 in the 30 days before, -2.7%), 138 in Seattle and King County (+7.8%) and 99 in Chicago (-25.0%).
Open the index →SaaS outage leaderboard
Incidents reported on vendors' public status pages, once the data passes our quality gates.
DTC discount index
How often and how deeply online stores discount, once the data passes our quality gates.
Watch the tools in action
Signalloom on YouTube
Short captioned demos of each data tool: what it collects, what the output looks like and how to run it.