The Math · How it works
The promo that lost money
A 20%-off promo can move 1,000 units and still lose money — because most of those buyers would have paid full price. The analyzer separates incremental from cannibalized demand and gives every promo a keep / limit / kill verdict.
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<iframe src="https://redhub.ai/visuals/kit/discount-promo-profit-analyzer.html" title="The promo that lost money — the math — RedHub AI" width="760" height="1337" loading="lazy" style="border:0;width:100%;max-width:760px"></iframe>
<p style="font:14px/1.5 system-ui,sans-serif"><a href="https://redhub.ai/visuals/kit/discount-promo-profit-analyzer">The promo that lost money — the math</a> — by <a href="https://redhub.ai">RedHub AI</a>, the AI that tells you when to doubt it.</p>Image + link — a static picture for any blog
<a href="https://redhub.ai/visuals/kit/discount-promo-profit-analyzer"><img src="https://redhub.ai/visuals/kit/discount-promo-profit-analyzer-share.png" alt="Worked example: a sitewide 20% off promo nets −$6,000 versus running no promo at all." width="760" loading="lazy" style="max-width:100%;height:auto;border-radius:16px"></a>
<p style="font:14px/1.5 system-ui,sans-serif"><a href="https://redhub.ai">RedHub AI</a> — the AI that tells you when to doubt it.</p>
This is the math behind Discount & Promo Profit Analyzer. More diagrams in the Visual Field Guide.