Knowing your competitors on Amazon is not optional — it's a survival requirement. The marketplace is brutally transparent: every competitor's pricing, reviews, ranking, and inventory is publicly visible. The question is whether you're systematically capturing and acting on that data, or leaving it to chance.
This guide walks through a complete Amazon competitor analysis framework using scraped data.
The 5 Pillars of Amazon Competitor Analysis
- Pricing Intelligence — What are they charging, and when do they change?
- Review Intelligence — What do customers love and hate about their products?
- Keyword Intelligence — What terms are they ranking for?
- Inventory Intelligence — Are they running low? Are they FBA or FBM?
- Seller Intelligence — Who are they, and how strong is their seller account?
Pillar 1: Pricing Intelligence
Pricing is your most time-sensitive competitive data. Amazon prices change multiple times per day in competitive categories.
What to track:
- Current Buy Box price
- All seller prices (not just the lowest)
- Coupon availability (these reduce effective price but don't show in headline)
- Price history (identify patterns: weekend discounts, promotional periods)
- Subscribe & Save price
Actionable insights:
| Data Point | Strategic Use |
|---|---|
| Competitor price drop | Reprice to defend your Buy Box position |
| Competitor price increase | Opportunity to gain volume at current price |
| Consistent low pricing | They may have lower COGS — investigate supplier |
| Erratic pricing | Possible inventory issues or repricing software |
Pillar 2: Review Intelligence
Your competitors' reviews are free customer research. Here's how to extract maximum value:
1-star review mining
Filter competitor reviews to 1-star only. These reveal:
- Common product defects
- Misleading listing claims
- Poor packaging issues
- Customer service failures
Fix these exact issues in your own product and call them out in your listing.
5-star review analysis
Filter to 5-star reviews to find:
- The features buyers love most
- The exact language buyers use (valuable for listing copy)
- Use cases you haven't marketed yet
Review velocity monitoring
Track how quickly a competitor gains new reviews:
# Compare review count over time
first_check = {'date': '2026-01-01', 'count': 1240}
second_check = {'date': '2026-02-01', 'count': 1480}
velocity = second_check['count'] - first_check['count']
print(f'Competitor gaining ~{velocity} reviews/month')
High review velocity means strong sales. Low or zero velocity means stagnation.
Pillar 3: Keyword Intelligence
Scraped keyword data tells you:
- Which search terms drive traffic to your competitors
- Where they rank organically vs. sponsored
- Which keywords are underserved (opportunity gaps)
How to extract keyword data:
- Search result scraping — Search 50–100 target keywords and record which ASINs appear (and at what position)
- Autocomplete scraping — Amazon's autocomplete reveals the most-searched related terms
- 'Customers also searched' data — Related keywords on product pages
Build a keyword-to-competitor map:
| Keyword | Your Rank | Competitor A | Competitor B |
|---|---|---|---|
| echo dot speaker | #4 | #1 | #7 |
| smart home speaker | #8 | #2 | #3 |
| alexa speaker | Not ranked | #1 | #5 |
| voice controlled speaker | #2 | Not ranked | #4 |
From this table: Competitor A dominates the primary terms. You have an opportunity on "voice controlled speaker" where they're absent.
Pillar 4: Inventory Intelligence
Monitoring competitor inventory levels gives you tactical advantages:
Signals to watch:
- "Only X left in stock" messages — indicates low inventory, possible opportunity
- "Temporarily out of stock" — window to capture their demand
- FBA vs. FBM switch — FBM often means FBA inventory depleted
- Listing suppression — Complete removal usually means compliance issue or stockout
How to use this:
If a major competitor goes out of stock during Q4, have inventory ready and consider a small PPC budget increase during their outage window.
Pillar 5: Seller Intelligence
Understanding the seller behind a competing listing reveals strategic information:
| Data Point | What It Reveals |
|---|---|
| Seller feedback score | Quality and reliability of operation |
| Seller tenure | How established they are on Amazon |
| Feedback count | Proxy for sales volume |
| FBA status | Indicates professionalism and Prime eligibility |
| Product portfolio | Are they a brand or a reseller? How broad is their range? |
| Seller storefront | What else are they selling? Any gaps in their catalogue? |
Building Your Competitor Analysis Dashboard
A systematic competitor analysis needs a consistent cadence:
| Data Type | Monitoring Frequency | Action Trigger |
|---|---|---|
| Pricing | Hourly | >3% price change |
| Review count | Daily | >10 new reviews |
| BSR | Daily | >20% rank change |
| Inventory signals | 4-hourly | Out-of-stock detected |
| Keyword rankings | Weekly | Position change >5 |
| Seller feedback | Weekly | Score drops below 90% |
Getting Started
The first step is deciding which competitors to monitor. Start with:
- The current Buy Box holder for your main ASINs
- The top 3 organic results for your 5 most important keywords
- Any seller with dramatically lower prices than yours
For each, you want price, BSR, and review data updated at least daily. For fast-moving categories (electronics, toys), hourly pricing is essential.
Our eCommerce Intelligence solution and Amazon price monitoring service are purpose-built for this. Get a free quote and we'll scope a competitor monitoring package for your category.
Our team of senior data engineers and web scraping specialists has delivered over 500 million records across 12+ Amazon marketplaces. We write about scraping techniques, eCommerce data strategy, and Amazon market intelligence based on real-world project experience.