A 70% off coupon, free shipping with no minimum, a 24-hour “Buy 2, Pay for 1” flash. Faced with a seemingly aggressive campaign, the worst decision is to copy it in a panic — and that was exactly the decision that cost Brazilian retailers, on average, 3 to 5 percentage points of gross marginon Black Friday 2024 (Bain & Company, 2024).
The worst reaction to a competitive move is the automatic reaction, without analysis. It compromises margin without changing the relative position.
What separates “aggressive” from “routine”
Without a historical baseline, any coupon looks aggressive. With a baseline, you can say with confidence that competitor X’s CUPOM30 is quarterly routine, but the same competitor’s CUPOM50 is a sign of something out of the ordinary.
1.5×
is the practical threshold: depth ≥ 1.5× of the competitor’s historical average already qualifies as an aggressive-campaign signal.
Batedor, analysis of 12,400 campaigns detected in 2024
The 5 signs of an aggressive campaign
- Depth ≥ 1.5× of the historical pattern of the competitor for the category.
- Unusual frequency: 3 or more unique coupons in the same week from a competitor that normally drops 1-2 per month.
- Public coupon with no segmentation. A competitor that has always targeted (first purchase, abandoned cart) starts publishing a general coupon.
- Free shipping with no apparent minimum. Breaking a structural rule, with the cost embedded somewhere.
- Simultaneous cross-channel communication: Instagram + Facebook + email + ads on the same day.
Coupon above the curve: how to detect it
The practical rule is to build the depth distribution of the competitor’s last 12 months:
- Median = typical depth in normal campaigns.
- P90 = depth it only uses at special moments (BF, seasonal clearance).
- Above P95 = a strong sign of something outside the usual script.
Median 20%
typical baseline for a public coupon in Brazilian fashion retail
P90 35%
used on BF, Cyber Monday, seasonal clearance
P95 45%
threshold for an off-calendar aggression signal
P99 60%+
almost always = urgent stock clearance
Coupon depth distribution — Brazilian fashion retail (12 months)
Fonte: Batedor — 4,200 coupons monitored in 2024-2025
BOGO combos and disguised offers
Not every aggressive campaign shows its face in a direct coupon. Several structural offers look light but hide high depth:
- “Buy 2, Pay for 1” = an explicit 50% off (on a rotating SKU, it’s structural).
- “Spend R$ 300, get R$ 100 in credits” = 25% off disguised as loyalty (the customer only captures the credit if they come back).
- “Free shipping + gift” = 10-15% disguised, depending on the cost of the gift and the average ZIP.
- “30% cashback” = 30% off deferred (the customer receives it on the next purchase; ~60% never come back).
When to react and when to ignore
React
• Core SKU of your mix
• Target audience overlaps
• The main channel coincides
• The competitor repeated the tactic 2-3 times this month
• Depth is at P90+
Ignore
• Peripheral or long-tail SKU
• Different audience (B2B vs B2C)
• Secondary channel
• Isolated test (1 post, no repeat)
• Depth at P99+ (stock clearance)
Calculated reaction vs panic reaction
Referências e leitura complementar
- Porter, M. E. (1980). Competitive Strategy. Free Press.
- Bain & Company (2024). Pricing in Volatile Markets — Retail Brazil Edition. Bain Insights link .
- Ailawadi, K. & Neslin, S. (2007). Promotion Profitability for a Retailer. Journal of Marketing Research, 44(4), 503-517.
- Conversion (2024). Brazilian E-commerce Yearbook 2024. Conversion / B-Capital.
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