The national statistical spine: prices, labour, housing, trade, population. If Australia measures it, it starts here.

Taxation statistics down to postcode level: incomes, deductions, occupations. The finest personal-finance grain in the archive.
Bank-by-bank lending and deposits, monthly. The credit-transmission data that connects rate decisions to real activity.

Corporate insolvency appointments, company by company, week by week, split by industry and state.
Thousands more datasets sit on data.gov.au: road deaths, gaming machines, visa grants, crime. Browse the catalogue from inside Primara and pull anything with a time axis straight onto a board.
Request a datasetCSV or Excel, any shape with a date column. We find the join key.
Your series aligns to the archive's clock: monthly or quarterly.
Every public series, every lag. Anything that clears the statistical bar surfaces.
Pulled from each agency on its own release schedule.
Everything on one quarterly clock, growth-transformed.
Every pair, every lag, with false-discovery control.
Held out-of-sample before it's shown as a signal.