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Bullwhip effect simulator

July 6, 2026

Discover Flowlity's free interactive bullwhip effect simulator: move the sliders and watch a small swing in consumer demand balloon into huge order swings, and safety stock, upstream tier by tier.

Bullwhip effect demo

A small wobble in consumer demand swells as orders travel upstream, tier by tier, forcing each tier to hold more safety stock for the same service level. Move the sliders and watch the whip and the buffers widen.

Average weekly demand (consumer end)500

Consumer demand variability (CV)5%

Target service level95.0%

Number of tiers4

Reaction / amplification per tier1.8×

Consumer demand signal Order variability, amplified upstream

- Bullwhip Ratio at the top tier
(top-tier order variability / consumer variability)

Safety stock required per tier, at the same service level

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