Price Anchoring: Why That Crossed-Out Number Changes What You See

Look at almost any "sale" listing and you'll see the same layout: a higher number with a line through it, sitting right beside a lower number in bold. The mechanism doing the persuading isn't really the lower number — it's the order you read them in. That first figure sets an anchor, and everything that follows gets judged relative to it, whether or not the anchor itself was ever a real, commonly paid price.

The mechanism, not just the trick

Price anchoring is a well-documented feature of how people judge numbers generally, not something specific to shopping. When you're given a reference point first, subsequent judgments tend to cluster around it, even when the reference point is arbitrary, unrelated, or — in a retail context — invented. A crossed-out "original price" works the same way: it isn't just decoration next to the sale price, it's the number your brain measures the deal against. Once you've seen "$120," a listing at "$59" reads as a steep bargain, almost regardless of whether $120 was ever a price anyone actually paid for that item.

This is why the tactic persists even though most shoppers have heard of it. Knowing a mechanism exists in the abstract doesn't fully protect you from it in the moment, because the anchor does its work quickly, before the more deliberate, comparison-shopping part of your thinking engages. The crossed-out number changes what the second number feels like before you've consciously evaluated whether it's a good price on its own terms.

Why the first number isn't always honest

Not every "original price" is fabricated — plenty of retailers do have a genuine standard price that later goes on sale. But the anchor number is also one of the easiest parts of a listing to inflate, because there's often no simple, visible way for a shopper to verify what an item actually, typically sells for. A seller can set a nominal "list price" well above what the item is ever actually sold at, then run a permanent or near-permanent "sale" against that inflated number, so the discount looks dramatic while the sale price is, in fact, close to the item's normal market value.

The tell isn't usually the sale price itself — it's how often the item is "on sale." A discount that never seems to end, across weeks or months, on the same item, is a reasonable signal that the "original" figure is functioning more as an anchor than as a price the item was recently, actually sold at.

Checking whether a discount is real

None of this requires distrust of every sale — it requires a habit of checking, which takes only a little more effort than accepting the anchor at face value.

• Look at price history where it's available. Some browser tools and price-tracking sites show a chart of an item's price over recent months. If the "sale" price sits at or near the typical price shown in that history, the discount is mostly cosmetic.
• Compare across sellers, not just within one listing. The crossed-out number only matters relative to itself. What matters more is how the sale price compares to what other sellers charge for the same or a comparable item right now.
• Ignore the percentage-off badge as a decision input. "60% off" tells you about the relationship between two numbers the seller chose to display, not about whether the resulting price is actually good.
• Ask whether you'd want the item at the sale price with no anchor shown at all. Mentally cover up the crossed-out number and judge the remaining price purely on whether it's reasonable for what you're getting. If the answer changes depending on whether the higher number is visible, the anchor was doing real work on your judgment.
• Watch for anchors that reset without a matching price change. If the "original price" of an item you're tracking creeps upward over time while the "sale" price stays roughly the same, that's a strong sign the anchor is being managed independently of any real pricing decision.

Why the effect persists even when you know about it

One of the more counterintuitive findings behind anchoring is that awareness of the effect doesn't fully cancel it out. Being told in advance that a number is arbitrary still measurably shifts people's subsequent judgments in studies designed to test exactly that. The practical implication for shopping is humbling but useful: knowing intellectually that a crossed-out price might be inflated isn't, by itself, enough to neutralize its pull on your sense of what a fair price looks like. That's precisely why a deliberate check — a price-history tool, a second seller's listing, a moment of covering up the anchor entirely — does real work that willpower alone doesn't.

This also explains why the tactic isn't limited to obvious clearance racks. It shows up in subscription pricing shown against an inflated "regular" tier, in bundle deals where the anchor is the sum of items priced individually, and in limited-time countdown timers that function as a second kind of anchor, this time on urgency rather than price. The mechanism is the same across all of them: a reference point is placed in front of you first, and the thing you're actually deciding about is judged relative to it rather than on its own footing.

The habit that generalizes beyond shopping

Anchoring shows up well outside retail — in negotiations, in real estate listings, in any situation where you're shown one number before being asked to evaluate another. The specific defense for shopping is concrete: separate the question "is this a discount" from the question "is this price good," and answer the second one first, ideally before you've let the first number shape your sense of scale. A price that's genuinely good stands on its own without needing a bigger number next to it to look that way.