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The Ultimate Guide to Retail Allocation

Written by

Steph Byce

Director of Demand Gen

Table of contents

Category

Learning Series

Last Updated

March 19, 2025

The Ultimate Guide to Retail Allocation

Retail allocation is the process of distributing products to stores or online channels in the right quantities at the right time. When done correctly, it helps retailers meet customer demand, optimize inventory, and boost profitability. Poor allocation, on the other hand, can lead to stockouts, excess inventory, and lost sales.

In this guide, we’ll break down everything you need to know about retail allocation, why it’s important, the challenges it presents, and how AI-powered technology is changing the game.

What Is Retail Allocation?

Retail allocation, also known as merchandise allocation, is a key part of retail planning. It involves assigning individual item quantities to different stores or channels based on factors like historical sales data, customer demographics, and demand forecasts.

retail allocation process

The goal is simple: make sure each store has the right products in the right amounts to maximize sales and minimize excess inventory. This helps retailers:

  • Meet customer demand by ensuring products are available where shoppers need them.
  • Avoid stockouts that drive customers to competitors.
  • Reduce excess inventory that leads to markdowns and profit losses.
  • Optimize inventory levels to balance supply and demand efficiently.

Initial Allocation vs. Replenishment

Retail allocation happens in two main phases: initial allocation and replenishment. Both ensure stores have the right products, but they happen at different times and serve different purposes.

Initial Allocation: First Product Distribution

Initial allocation is the first shipment of new products to stores. It usually happens at the start of a season or product launch. Retailers decide how much inventory to send based on store size, past sales, customer demographics, and regional demand. A high-traffic store may receive more inventory, while a smaller store may get less.

Retailers often hold back some stock in distribution centers instead of sending everything at once. This allows them to adjust based on early sales trends, making sure inventory goes where it’s needed most.

Replenishment: Restocking Based on Sales

Replenishment happens after initial allocation. It ensures stores continue to receive inventory throughout the season based on actual sales and stock levels. If a product is selling out quickly, replenishment sends more units to prevent stockouts. If a product is selling slowly, shipments can be reduced or stopped to prevent excess stock.

Replenishment is often automated. Systems track sales and inventory levels in real time, adjusting stock as needed. This keeps bestsellers available and prevents overstock in low-performing stores.

Together, initial allocation and replenishment help retailers manage inventory efficiently. Initial allocation sets the foundation, while replenishment fine-tunes stock levels throughout the season.

Manual vs. Automated Allocation

Retailers use both manual and automated allocation methods. While automation speeds up the process, manual adjustments are still necessary for special cases.

Manual Allocation: Hands-On but Slow

Manual allocation relies on planners and allocators to analyze data and decide where inventory should go. This method gives teams full control and allows them to react to unique store needs. However, it’s time-consuming and prone to errors, especially for retailers with many stores and products.

Automated Allocation: Fast and Data-Driven

Automated allocation uses software to track sales, inventory levels, and forecasts. It makes real-time decisions on where inventory should go, reducing stockouts and excess stock. Many modern tools adjust allocations based on current sales trends, ensuring fast-selling products get more stock while slower-moving items receive less.

In other words, use automation for speed and scale, but keep a human in the loop to deal with the artful side of allocation (nuances that algorithms might miss). The best results often come when the technology (the science) is guided by the planner’s expertise (the art).

Key Reports for Weekly Review

Retail allocation isn’t a “set it and forget it” process. It needs regular monitoring and adjustments to keep inventory balanced. Each week, planning and allocation teams review key reports to track sales, spot trends, and fix inventory issues. Here are the most important reports:

Sell-Through Rates Sell-through rate measures how much of a product has sold compared to how much was received. It’s calculated as units sold ÷ total units received. For example, if a store gets 100 units and sells 60, the sell-through rate is 60%.

  • High sell-through: The product is popular and may need restocking.
  • Low sell-through: The product is underperforming and may need a markdown or slower replenishment.

Tracking sell-through by product, store, and size helps retailers adjust allocation before stock runs out or piles up.

Stock-to-Sales Ratio & Weeks of Supply These reports track inventory levels compared to sales. Stock-to-sales ratio shows how much stock a store has relative to its weekly sales. Weeks of supply estimates how long inventory will last based on current sales.

  • High ratio (too much stock): Risk of markdowns and overstock.
  • Low ratio (too little stock): Risk of stockouts and missed sales.

For example, a basic item like jeans might need 12 weeks of supply, while a trend-based fashion item should sell out in 8 weeks or less. These reports help teams adjust replenishment to avoid excess or shortages.

Size Availability & Imbalances Managing sizes is critical in fashion retail. A full size run means all sizes are available, while a broken size run happens when one or more sizes sell out. If a best-selling size is missing, customers may leave without buying anything.

Weekly reports track:

  • Which sizes are selling out fastest.
  • Which sizes are overstocked.
  • Stores that need urgent replenishment for specific sizes.

Retailers can then shift inventory between stores or reorder to keep the right mix of sizes available.

Store Performance Comparisons Not all stores perform the same. A store performance report compares sales, inventory, and sell-through rates across locations. It helps retailers:

  • Identify top-selling stores that may need more stock.
  • Spot underperforming stores where inventory could be reallocated.
  • Adjust strategies based on regional demand.

For example, if a jacket is selling well in big-city stores but not in suburban locations, allocation teams can shift stock before markdowns are needed.

Exception Reports (Overstock & Stockouts) Exception reports flag unusual trends, like:

  • Fast sellers that may need urgent replenishment.
  • Slow movers that may need markdowns or transfers.
  • Stores that didn’t receive expected stock.

If a dress is selling out twice as fast in one store compared to the chain average, an exception report alerts the team to send more. On the other hand, if coats are still sitting in stock as winter ends, a markdown or transfer plan can be put in place.

Why These Reports Matter

By reviewing these reports weekly, retailers can react quickly to sales trends, prevent lost sales, and reduce excess stock. Keeping a close eye on inventory ensures the right products are in the right stores—at the right time.

Key Stakeholders in Retail Allocation

A strong allocation process requires teamwork. Different teams work together to make sure inventory is sent where it’s needed.

  • Merchandising & Buying Teams Merchants and buyers choose which products to sell and how much to order. Their sales goals and product plans guide allocation decisions. They help make sure stores get the right mix of products based on demand.
  • Planning & Allocation Teams Planners and allocators track sales data, manage inventory, and decide how to distribute stock. They work with merchants to adjust inventory based on trends and store performance. Their goal is to keep shelves stocked without overloading stores with too much product.
  • Store Operations & Managers Store teams see what sells and what doesn’t. If an item is selling fast or sitting on shelves too long, store managers can report it. This feedback helps allocation teams adjust stock levels and avoid lost sales.
  • Supply Chain & Logistics Once allocation plans are set, the supply chain team moves inventory. They make sure products arrive on time and balance stock between warehouses and stores. Their work helps reduce delays and shipping costs.

Each team plays a key role in allocation. By working together, they ensure inventory gets to the right stores, at the right time, in the right amounts.

Best Practices for a Successful Allocation Process

Good allocation helps retailers send the right products to the right stores at the right time. The best retailers follow these key practices to keep inventory balanced and sales strong.

  • Match Allocation to Business Goals Allocation should support big-picture business goals. If the goal is to sell more products at full price, stores should get inventory based on actual demand, not just past sales. If a brand is opening new stores, allocation should ensure those locations have a well-rounded mix of products. When allocation aligns with strategy, it helps retailers sell more and waste less.
  • Use Data, But Trust Experience Numbers help guide allocation, but they don’t tell the whole story. Sales trends, size curves, and forecasts show where products might sell best, but planners also need to use judgment. A product that sold well last year might not this year due to new trends. A sudden weather change or a social media trend can also shift demand. The best approach combines data with expert decision-making.
  • Watch Sales and Market Trends Past sales show what worked before, but customer demand changes. A style that was popular last year may not sell as well this season. Regional preferences, fashion trends, and even economic shifts can affect sales. Retailers should check both past sales and current market data to make smart allocation decisions.
  • Stay Flexible and Adjust Fast Retail sales change quickly. A product that sells fast in one store might sit on the shelf in another. A strong allocation plan allows for quick adjustments. If a store is selling out, retailers should send more inventory. If sales are slow, they should hold back extra stock. Many retailers use AI-powered tools to track sales in real time and adjust inventory automatically.

By using data, planning ahead, and staying flexible, retailers can improve their allocation process. This reduces markdowns, prevents stockouts, and keeps customers happy.

Challenges in Retail Allocation

Even though the goal is clear, retail allocation is complex. It requires balancing multiple factors that constantly change. Here are some of the biggest challenges retailers face:

1. Managing Large Volumes of Data

Retailers must analyze vast amounts of data, including:

  • Historical sales trends Past sales data helps predict future demand, but patterns can shift over time.
  • Inventory levels Knowing current stock levels is essential to prevent overstocking or stockouts.
  • Store performance metrics Each store has different sales velocities and demand patterns that impact allocation needs.
  • Customer demographics Age, income, and shopping behavior influence which products will sell best at each location.
  • Market conditions External factors like seasonality, economic shifts, and local trends can affect product demand.

2. Accurately Forecasting Demand

Customer demand isn’t static, it changes based on seasons, trends, and economic shifts. A product that sells well in one region may not perform the same elsewhere. Without accurate demand forecasting, retailers risk overstocking in some locations and understocking in others.

3. Optimizing Inventory Replenishment

Retail allocation and replenishment must work together. If initial allocation is off, replenishment must compensate. However, lead times, supply chain disruptions, and changing demand can make this difficult.

4. Managing Store-Specific Demand Patterns

Every store serves a different customer base. Factors like store size, foot traffic, and regional preferences all impact demand. A one-size-fits-all allocation strategy doesn’t work.

5. Minimizing Stock Transfers

Poor allocation often leads to stock transfers between stores, increasing logistics costs and reducing profitability. Retailers need to minimize unnecessary movement of inventory to keep costs down.

The Risks of Poor Allocation

When retail allocation isn’t done right, the consequences can be costly. Poor retail allocation creates a domino effect that leads to lost sales, wasted inventory, and higher costs. Here’s what happens when allocation goes wrong:

  • Stockouts: Lost Sales & Customer Loyalty When a store runs out of a popular product, customers don’t wait, they shop elsewhere. Frequent stockouts frustrate shoppers and damage long-term brand loyalty, leading to lost revenue.
  • Overstocking: Tied-Up Capital & Discounts Sending too much inventory to the wrong stores locks up cash and leads to markdowns. Seasonal products are especially at risk, if they don’t sell in time, retailers are forced to discount heavily or discard them.
  • Lower Profitability Missed sales from stockouts and reduced margins from markdowns both hurt profitability. Poor allocation decisions weaken financial performance and make it harder to stay competitive.
  • Higher Operational Costs Fixing bad allocation is expensive. Extra stock transfers, last-minute replenishments, and excess warehousing all drive up costs. Employees also spend more time managing inventory instead of focusing on customers.

Retailers who don’t optimize allocation end up with inefficiencies that hurt both revenue and customer satisfaction. A data-driven approach helps prevent these costly mistakes.

How Retail Allocation Fits into the Broader Retail Merchandising Strategy

Retail allocation works alongside merchandise financial planning (MFP) and assortment planning to ensure products are distributed efficiently. While MFP sets sales and inventory targets, and assortment planning determines the right product mix, allocation ensures those products are sent to the right stores in the right quantities.

how retail allocation fits in broader merchandising strategy

Allocation relies on data from MFP and assortment planning to match inventory levels with customer demand. For physical stores, factors like regional preferences, store size, and past sales performance influence distribution decisions. A strong allocation strategy prevents stock imbalances—keeping high-performing stores well-stocked while avoiding excess inventory in lower-demand locations.

How AI and Technology Improve Retail Allocation

Retailers are turning to AI-powered technology to solve allocation challenges. AI analyzes large data sets quickly, identifies patterns, and makes smarter allocation decisions. Here’s how AI improves the process:

1. More Accurate Demand Forecasting AI uses historical sales data, market trends, and real-time insights to predict demand more accurately. This reduces stockouts and excess inventory, ensuring stores get the right products at the right time.

2. Data-Driven Decision Making Retailers can use AI-driven allocation tools to make informed decisions based on data, not guesswork. These tools consider multiple factors—store performance, seasonality, and even weather trends—to optimize inventory allocation.

3. Dynamic Reallocation & Replenishment AI-powered systems continuously monitor sales and inventory levels. When demand shifts, they can recommend adjustments in real time, ensuring products are always where they need to be.

4. Store Cluster Optimization Rather than treating each store the same, AI groups stores into clusters based on similarities in sales trends, demographics, and geography. This helps retailers allocate inventory more precisely, reducing mismatches between supply and demand.

5. Improved Supply Chain Management AI-powered allocation tools integrate with supply chain data, helping retailers optimize lead times and minimize costly last-minute stock transfers.

Final Thoughts

Retail allocation is a critical part of inventory management. When done well, it ensures that products are available where and when customers need them. However, challenges like demand fluctuations, excess inventory, and stockouts make it a complex process.

AI and advanced planning solutions are transforming retail allocation. They provide real-time data insights, improve forecasting, and automate decision-making. Retailers that invest in these technologies can minimize costs, boost efficiency, and drive more sales, all while improving customer satisfaction.

By optimizing allocation with the right technology, like Toolio, retailers can turn inventory management into a competitive advantage. Speak to an expert to learn how it can help your workflows!

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