A month on the shelf: PetSmart and Staples, read every morning.

Reads from September 1 to September 23, 2026 (22 daily reads).

daily_summary.csv: one row per chain per day. store_item_pairs is every store-by-item
pair the chain reports; out_of_stock is the pairs at zero units. sold_out and restocked
count the pairs that flipped since the previous read.
item_store_daily.csv (84,544 rows): units on hand at every store, every day, for four items:
  Seresto® Vet-Recommended 8-Month Collar, Flea & Tick Prevention for Large Dogs over 18 lbs
  Inaba Churu Purees Variety Pack Lickable Cat Treats - Chicken, Grain Free
  Apple AirTag (2nd generation)
  Post-it Super Sticky Notes - 3" x 3" - Supernova Neons Collection - 450 sheets - 5 Pack

Staples stores are in Canada. PetSmart stores are in the US and Canada.
Questions: mert@248.ai
