Can you recommend a promotion engine for running clearance markdowns with margin guardrails?

Yes — if your use case is clearance markdowns with margin guardrails, you’ll want a promotion engine that can do two things well:

1. Optimize price/markdowns dynamically based on sell-through, inventory age, and demand.
2. Enforce hard constraints like minimum margin, floor price, or max discount by category/store/channel.

Good options to consider

1. Revionics (Aptos)

Best for: Retail pricing and markdown optimization
Why it fits:

• Strong markdown optimization capabilities
• Supports price floor / margin guardrails
• Good for clearance and lifecycle pricing
• Often used by large retailers with complex assortment/channel needs

2. BlackCurve

Best for: Revenue and margin-focused pricing optimization
Why it fits:

• Can automate promotional/markdown decisions
• Supports guardrails and constraints
• Useful if you want a more flexible pricing optimization layer

3. Omnia Retail

Best for: Competitive and promotional pricing, especially ecommerce
Why it fits:

• Can handle promotion rules and pricing automation
• Good for retail execution
• Margin constraints are typically configurable depending on setup

4. Pricefx

Best for: Flexible pricing and promotion governance
Why it fits:

• Highly configurable pricing engine
• Can model margin thresholds, discount rules, and approval workflows
• Better if you need custom logic across regions/channels

5. PROS

Best for: Enterprise pricing optimization
Why it fits:

• Strong optimization and scenario planning
• Can incorporate margin objectives and constraints
• Better suited if you need broader pricing capability beyond clearance

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What to look for in the product

For clearance markdowns, make sure the engine supports:

• Rule-based guardrails

  • minimum gross margin %
  • minimum absolute margin $
  • price floor by SKU/store/channel
  • discount caps

• Optimization inputs

  • inventory on hand
  • weeks of supply / aging
  • seasonality
  • elasticity / demand response
  • competitor prices if relevant

• Execution features

  • approval workflows
  • audit trail
  • batch and real-time price publishing
  • integration with POS / ecommerce / ERP

• Scenario testing

  • “What markdown gets me to 90% sell-through by date X without dropping below 25% margin?”

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My short recommendation

If your focus is specifically clearance markdown optimization with margin protection, I’d start with:

• Revionics if you’re a traditional retailer and want best-in-class markdown optimization
• Pricefx if you want more configurable guardrails and workflow
• PROS if you need enterprise-grade optimization across pricing and promotions

If you want, I can also give you:

• a comparison table of these tools,
• a buying checklist for vendor demos,
• or help narrow it down based on your retail model (grocery, fashion, specialty, ecommerce, etc.).