Maryland became the first U.S. state to outlaw dynamic pricing in grocery stores and delivery services. The Protection From Predatory Pricing Act, effective Oct. 1, bars retailers and firms like DoorDash from charging customers higher prices based on personal data. Violations trigger fines of $10,000, with repeat offenses reaching $25,000.

Dynamic pricing lets algorithms charge a shopper from a wealthier zip code more than a neighbor buying the same item. Maryland’s law follows a wave of state‑level backlash; 33 states have introduced bills on the practice, while New York already requires disclosure and California, Colorado, Illinois and New Jersey debate outright bans.

Trade groups argue the measure duplicates existing consumer‑protection rules and cites no evidence of widespread price gouging. Consumer advocates, however, say loopholes—such as exempting loyalty programs—leave room for data‑driven surcharges. The law also limits enforcement to the attorney general and bars private lawsuits, weakening its bite.

Proponents claim the bill protects Marylanders’ wallets and signals a broader push toward pricing transparency. Critics warn that without strict penalties or consumer‑litigation rights, retailers may sidestep the law by masking price hikes within loyalty incentives. For investors, the legislation signals rising regulatory scrutiny of AI‑enabled pricing models across the retail sector.