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Glossary

Buying & open-to-buy

What is WSSI?

Weekly sales, stock and intake: a weekly trading plan that tracks sales, stock and receipts against plan.

Why it matters: It's how many merchants trade a season week to week, and the closest spreadsheet cousin to a live open-to-buy.

Related terms

open-to-buy (OTB)

The amount of new stock you can receive this period and still hit the plan.

sell-through

The share of stock that has sold in a period.

Plan with confidence. One set of numbers, every team, every week.

There's nothing to rip out. Tightly runs on your existing ERP, EDI, e-commerce and POS. Give us 30 minutes and we'll show it on your own categories.

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