🔑 Add-to-cart without purchase is the highest-intent retargetable signal in Amazon Marketing Cloud. These shoppers found your product, read the listing, and initiated a transaction — then stopped. The barrier wasn't awareness. It was price, timing, or distraction. All three are addressable through media.
Cart abandonment happens on 70%+ of e-commerce add-to-cart events. Most advertisers build retargeting around product page views or past purchasers. Neither captures the specific, high-intent moment that ATC without purchase represents: a shopper who expressed purchase intent strong enough to initiate a transaction — and then stopped.
Building the Audience in AMC
Amazon Marketing Cloud lets you build this audience with SQL-based queries. The logic: identify users who triggered an add-to-cart event for your ASINs within a defined lookback window, then exclude anyone who completed a purchase of the same ASIN in that same window. What remains is a clean list of high-intent non-converters.
Lookback Window by Category
| Category Type | Lookback Window |
| High-ASP considered purchases (supplements, appliances, electronics, furniture) | 180–365 days |
| Mid-range discretionary (apparel, home goods, mid-tier supplements) | 30–90 days |
| CPG and consumables (food, cleaning, personal care under $20) | 15–30 days |
| Seasonal and event-driven (holiday decor, grilling, back-to-school) | Align to purchase season |
Apply the lookback window as a strategic decision, not a blanket rule. Most brands use a flat 30 days and leave high-ASP consumers unreached for months — consumers who are still actively in-market.
Deploying on Amazon DSP
Treat ATC without purchase as a mid-funnel retargeting segment, not a prospecting layer. These consumers already know your product. Generic brand awareness creative is a waste of this signal.
The Negation Most Advertisers Miss
Critical exclusion: negate users who purchased a competitor ASIN within the same lookback window. Without this, you're paying DSP CPMs to re-engage shoppers who added your product to cart but bought a competitor instead. That consumer has already resolved their purchase decision against you. Paying to reach them is waste dressed as strategy.
Layering on Sponsored Ads as a Bid Modifier
Push your ATC without purchase segment to Sponsored Products and Sponsored Brands via AMC audience integration. Apply a 20–50% bid multiplier above your base bid. You're not adding incremental spend — you're bidding more aggressively on the exact people already in your funnel.
When a user in that segment searches for a keyword your campaign targets, your adjusted bid competes more aggressively for that placement. You pay more only when the person on the other end has already demonstrated they want your product. The math is straightforward: pay a premium only where intent is already proven.
Why ATC Outperforms Standard DPVR Retargeting
A detail page view is passive — a consumer can trigger it by misclicking or idle browsing. An add-to-cart requires navigating to the button and initiating a transaction. The friction is low, but the intent signal is meaningfully higher.
The barrier to conversion for an ATC shopper was not awareness, not consideration, and not product relevance. Something interrupted the transaction. Price, timing, comparison shopping, or distraction — all four are addressable through media.
Action Plan
📚 Sources: Amazon DSP — Audience targeting documentation (advertising.amazon.com); IAB — Digital Advertising Measurement Guidelines (iab.com); eMarketer — Retail Media and Retargeting Trends 2024 (emarketer.com); Amazon Advertising Help — Sponsored Display retargeting (advertising.amazon.com).
