MARKET WINDOW
This market measures July 21 through July 26 against the same days of the prior week, July 14 through July 19.
DEFINITIONS & SCOPE
Unique purchasers are distinct cardholders with at least one verified purchase at a merchant, counted once per merchant across all channels under each merchant's descriptor.
RESOLUTION METHOD
The market resolves to whichever chain records the highest week-over-week growth rate in unique purchasers. A tie for first refunds all positions in full.
DATA SOURCE
Powered by verified transaction data from American Spend's oracle. Anonymized, aggregated, and secured. Real, objective, verified proof of spend sourced from a representative sample of consumer spending.