Insights

Demand Planning Insights

Practical guides on forecasting methods, S&OP processes, and demand planning best practices. Written by practitioners, for practitioners.

Technical ForecastingFeatured

Forecast Reconciliation: Solving the Multi-Hierarchy Puzzle

Why forecasts never add up and solve it. Learn reconciliation methods like MinT vs Top-down and solve the coherence problem.

Jan 18, 202612 min read
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Demand Planning

Choosing Forecast Dimensions | Granularity vs. Accuracy

Learn how to choose the right forecast dimensions and granularity. Balance accuracy with complexity using product, customer, and time hierarchies.

Jan 17, 20269 min read
Demand Planning

Designing Product Hierarchies for Better Forecasts

Learn how to design a product hierarchy that improves forecast accuracy. We cover best practices, attributes vs. trees, and handling the messy reality of supply chain data.

Jan 16, 202612 min read
Forecasting Strategy

Sales Forecasting Beyond Excel: When and How to Upgrade

Is your sales forecasting process outgrowing spreadsheets? Learn the signs it's time to move beyond sales forecasting in Excel and how to transition safely.

Jan 15, 202610 min read
Demand Planning

Bottom-Up vs Top-Down Forecasting: Which Approach Wins?

Discover the differences between bottom-up vs top-down forecasting, their pros and cons, and how to use a middle-out approach for better accuracy.

Jan 13, 202610 min read
S&OP

Sales Forecast vs Operations Forecast: Aligning on One Number

Why do sales and operations numbers always differ? Learn how to build a consensus forecasting process, measure Forecast Value Added (FVA), and align your teams.

Jan 10, 202612 min read
Strategy

Integrated Business Planning (IBP) Guide: The Strategic Evolution of S&OP

Master Integrated Business Planning (IBP). Learn how to evolve your S&OP process to align strategy, financials, and operations for better business decision-making today.

Jan 8, 202618 min read
Strategy

Why S&OP Implementations Fail: 6 Common Pitfalls & Fixes

S&OP implementations fail at an alarming rate. Discover the top 6 reasons why—from the Excel trap to executive disengagement—and how to fix them.

Jan 3, 202612 min read
S&OP

How to Run an S&OP Meeting - Agenda & Best Practices

Learn how to run an effective S&OP meeting. Get a proven 90-minute agenda, facilitation tips, and best practices to drive decisions and alignment.

Dec 30, 202510 min read
Demand Planning

When ML Forecasts Underperform Statistics: The Uncomfortable Truth

Discover why simple statistical models often beat complex machine learning in forecasting competitions and real-world scenarios. Learn when to use each approach.

Dec 19, 202510 min read
Demand Planning

Time Series Forecasting Basics: A Guide for Demand Planners

Master the fundamentals of time series forecasting. Learn the 4 key components, standard methods like ARIMA and ETS, and how to apply them to real-world supply chains.

Dec 12, 202512 min read
Demand Planning

AI in Demand Forecasting: Beyond the Hype (A Practitioner's Guide)

AI demand forecasting isn't magic—it's math. Learn the real machine learning techniques, prerequisites, and how to move beyond spreadsheet limitations.

Dec 4, 202512 min read
Forecasting Methods

Exponential Smoothing: The Workhorse of Modern Demand Forecasting

Master exponential smoothing for demand forecasting. Learn the math behind SES, Holt's, and Holt-Winters, and why it remains the industry standard for accuracy.

Nov 27, 202512 min read
Demand Planning

Demand Planning KPIs: The Metrics That Actually Drive Performance

Discover the essential demand planning KPIs you need to track. From WAPE and Bias to Inventory Turns and OTIF, learn how to measure what matters.

Nov 18, 20259 min read
Demand Planning

Demand Planning vs Forecasting: Key Differences

Understand the critical differences between demand planning and demand forecasting. Learn how to combine prediction with execution for better supply chain results.

Nov 6, 202510 min read
S&OP

Building Your First S&OP Process: A Step-by-Step Guide

Learn how to implement a successful S&OP process from scratch. A practical guide for operations leaders covering the 5-step cycle, meeting agendas, and getting executive buy-in.

Oct 28, 202512 min read
Demand Planning

Sales Forecasting for Manufacturing: Beyond Spreadsheets

Master sales forecasting for manufacturing. Learn strategies for MTS vs MTO, handle long lead times, and align sales with production.

Oct 16, 202512 min read
Demand Planning

How to Build a Demand Planning Process from Scratch

A step-by-step guide to building a demand planning process from zero. Learn how to define scope, align stakeholders, and move from spreadsheets to a mature process.

Oct 2, 202512 min read
Demand Planning

Forecast Hierarchy Explained: Top-Down vs. Bottom-Up & Best Practices

Master your forecast hierarchy. Learn the differences between top-down, bottom-up, and middle-out forecasting, and how to solve reconciliation headaches.

Sep 23, 20259 min read
Demand Planning

Demand Forecasting Methods: The Complete Practitioner's Guide

Explore the complete guide to demand forecasting methods, from simple moving averages to advanced machine learning models. Learn how to choose the right technique for your data.

Sep 10, 202515 min read
Demand Planning

What is Demand Planning Software? A Guide for Modern Teams

Discover what demand planning software is, how it outperforms spreadsheets and ERP modules, and when your business needs a dedicated solution.

Aug 29, 202512 min read
Demand Planning

Forecast Accuracy Metrics: MAPE, WAPE, Bias Explained

Confused by forecast accuracy metrics? Learn how to calculate and use MAPE, WAPE, and Forecast Bias to measure performance and improve your demand planning.

Aug 18, 202512 min read
Demand Planning

5 Signs Your Spreadsheet Demand Planning is Failing - DemandPlan

Is your spreadsheet demand planning process breaking down? Discover 5 warning signs it's time to upgrade, from version control nightmares to the 'hero planner' trap.

Aug 5, 20258 min read
Supply Chain Strategy

S&OP vs SIOP: What's the Real Difference?

Confused by the alphabet soup of S&OP vs SIOP? We break down the key differences, why the 'Inventory' matters, and which process is right for your business.

Jul 22, 202510 min read
Demand Planning

Statistical Forecasting vs Machine Learning

Statistical forecasting vs machine learning: Understand the key differences, accuracy tradeoffs, and why a hybrid approach is best for modern supply chains.

Jul 14, 202510 min read
Product

Introduction to DemandPlan.io: Modern Demand Planning Software

Discover DemandPlan.io - the modern demand planning platform that replaces fragile spreadsheets with collaborative forecasting, ML-powered baselines, and real-time alignment across Sales, Finance, and Operations.

Jul 8, 202515 min read

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