Meaning
Algorithmic rules for establishing a legitimate anchor price during sales events provide the basis for calculating percentage reductions. Using promotional reference mechanics ensures that a was price is based on actual historical sales rather than a fictional number. This system protects the credibility of the discount in the eyes of the consumer and the law.
It applies to any temporary price reduction that uses a comparison.
Anchor Selection
Choosing the highest or most common price from a recent period provides the baseline for the sale. The anchor must be a price at which the product was actually available for a meaningful amount of time. This prevents the use of a single day high price as a fake reference point.
Selection logic is often programmed into the pricing software.
Duration Verification
Measuring the duration an item remains at a price confirms its status as a valid reference. Short spikes are excluded to prevent the manipulation of the sales history. This check ensures that only stable prices are used.
Historical Stability
Consistency in the reference price over time ensures that the promotion is a special event rather than a permanent change. If the price fluctuates too much, the system might reject the promotion as misleading. A stable history is required to support a strong discount claim.
Stability in pricing history supports the legality of the discount.