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Let's look at a Discounts Manager Summary Report for two discounts. Both discounts ran from 9/5 to 9/10.

Note: As of July 8th 2024, promotions are now being referred to as discounts on Seller Hub and eBay help pages. Sell Marketing API documentation has been updated to reflect this product name change, but note that no API interface changes have been made.

The first discount is a Buy 1, Get 2 at 50% Off discount.

Three sales were made during the discount period, however only Item 3 triggered a discount:

Discount 1

Item

Price

Sale Date

Qty Sold

Total Revenue

Item 1 $2 9/1 1 $2
Item 2 $2 9/6 1 $2
Item 3 $2 9/10 2 $1.50
Item 4 $12 9/10 1 $12

The second discount is a Spend $10, Get $5 Off discount.

There were two sales during this discount period but only Item 6 triggered a discount:

Discount 2

Item

Price

Sale Date

Qty Sold

Total Revenue

Item 5 $6 9/2 3 $18
Item 6 $6 9/5 3 $13
Item 7 $6 9/9 1 $6

Discount Summary Report results

The sections below show how the baseSale, promotionSale, and precentageSalesLift values are calculated in the Summary Report.

Base Sale calculation

The baseSale value for the two discount is $20.00, which is the total revenue from all the sales that did not trigger the promotion during the report period.

Item

Price

Sale Date

Qty Sold

Total Revenue

Notes

Item 1 $2 9/1 1 $2 Not counted - out of discount period
Item 2 $2 9/6 1 $2
Item 3 $2 9/10 2 $1.50 Not counted - discount promotion
Item 4 $12 9/10 1 $12
Item 5 $6 9/2 3 $18 Not counted - out of discount period
Item 6 $6 9/5 3 $13 Not counted - triggered discount
Item 7 $6 9/9 1 $6
$20.00

Discount Sale calculation

The promotionSale value is $14.50, which is the total revenue from all the sales that triggered the promotion during the report period.

Item

Price

Sale Date

Qty Sold

Total Revenue

Notes

Item 1 $2 9/1 1 $2 Not counted - out of discount period
Item 2 $2 9/6 1 $2 Not counted - did not trigger discount
Item 3 $2 9/10 2 $1.50
Item 4 $12 9/10 1 $12 Not counted - did not trigger discount
Item 5 $6 9/2 3 $18 Not counted - out of discount period
Item 6 $6 9/5 3 $13
Item 7 $6 9/9 1 $6 Not counted - did not trigger discount
$14.50

Percentage Sales Lift calculation

The precentageSalesLift represents the percentage of the total dollar amount gained due to promotions, which is calculated as follows:

    precentageSalesLift = promotionSale / (baseSale + promotionSale)

In this example, the precentageSalesLift is 42% during the report period:

    precentageSalesLift = $14.50 / ($20.00 + $14.50) = 42.03%