Guide

How to Do Competitor Analysis in E-Commerce?

Track prices, stock, and promotions; close your blind spots and win with the right price.

Competitor analysis is a systematic tracking process that lets you see, in hard numbers, exactly where you're behind or ahead on any given product in e-commerce. Sellers who don't regularly monitor price, stock, promotion, and buybox data usually lose market share without even noticing. In this guide, we walk through how to set up competitor analysis step by step, which tools to use, and how to turn the resulting data into action.

Quick answer

Competitor analysis in e-commerce is the process of comparing direct competitors (same product, same audience) and indirect competitors on price, stock, promotions, and buybox data to build a SWOT; sellers who track daily or even hourly with tools like PriceRest and Emparator can catch a price advantage within 24 hours and see revenue gains of 5-15%.

Summary: what you need to know

  • Competitor analysis is the systematic, ongoing comparison of price, stock, promotion, buybox, and review data.
  • A direct competitor sells the same product to the same audience; an indirect competitor meets the same need with a different product - evaluate them separately.
  • The SWOT framework (Strengths/Weaknesses/Opportunities/Threats) is the standard starting point for analyzing both your own store and your competitors.
  • Local tools like PriceRest and Emparator automatically track Trendyol/Hepsiburada/N11 prices, while Ahrefs/Semrush/Similarweb compare SEO and traffic.
  • Dynamic pricing (repricing) is a system that automatically updates your price - via rules or machine learning - whenever a competitor's price changes.
  • Without a category benchmark (the average of the top 5-10 competitors), you can't answer 'am I priced too high or too low' with actual numbers.
1

How to Do Competitor Analysis in E-Commerce (Step-by-Step Framework)

Start your competitor analysis by clarifying scope first: decide which category and which 10-20 products you'll track your competitors on, and list your 3-5 main competitors clearly. Then regularly collect four layers of data - price, stock status, promotions/coupons, and customer ratings. Checking this manually every day, one by one, takes 1-2 hours a day even with just 50 products; automated tracking tools cut this down to minutes. Feed the collected data into a weekly table and pull out the trend: did the competitor's price drop, did they run out of stock, did a new promotion start. The steps break down as follows:

  • Define scope — Choose the 10-30 key products to track and your 3-5 main competitors.
  • Collect data — Log price, stock, promotions, and ratings daily or weekly.
  • Compare — Put your own data side by side with the competitor average.
  • Take action — Update your price, stock, or ad decisions based on the data.
2

What Are Direct and Indirect Competitors? How Do You Do a SWOT Analysis?

A direct competitor is a store selling the exact same product you sell, or a very similar one, to the same target audience - for example, another Trendyol seller offering the same brand of thermos. An indirect competitor meets the same customer need with a different product, like a seller offering a cooler bag instead of a thermos. Confusing the two wastes your analysis budget in the wrong place: for direct competitors, focus on price and stock; for indirect competitors, focus on category trends and marketing. A SWOT analysis makes this easier - it's a simple 4-box table you fill out separately for your own store and for each of the 3-5 competitors you've chosen:

  • Strengths (S) — The price, delivery speed, or rating where the competitor stands out.
  • Weaknesses (W) — Stock shortages, low review counts, a narrow variant range.
  • Opportunities (O) — A price range or category the competitor has left uncovered.
  • Threats (T) — A new aggressively priced seller entering the market, heavy promotional activity.
3

How Do You Track Competitor Prices? Monitoring Competitor Prices on Trendyol

Monitoring competitor prices on Trendyol starts with manually checking the 'other sellers' list on the product detail page, but this approach becomes unsustainable beyond 5-10 products, and price changes that slip through unnoticed over time lead to lost revenue. For a realistic setup, first put the barcodes or links of the products you'll track into a list, then decide on your update frequency - hourly checks work for fast-moving categories, while daily checks are enough for slower ones. The table below compares four approaches in terms of time cost; if you're tracking more than 30 products, switching to an automated tool works out cheaper in the long run:

Method Update Frequency Coverage Time Cost
Manual check (browsing) Once a day or less often 5-10 products 1-2 hours a day
Excel/Google Sheets tracking Daily, manual entry 10-30 products 3-5 hours a week
Automated price-tracking tool (PriceRest, etc.) Hourly/real-time 100-1,000+ products Minutes, after setup
Buybox + repricing integration Real-time, automatic action Entire catalog Automatic

For catalogs of 30+ products, switching to an automated tool outweighs the time cost of manual tracking.

4

Which Tools Are Used for Competitor Analysis?

Tools built for the Turkish market and global SEO tools serve different purposes, and you shouldn't confuse the two. Local price-tracking software like PriceRest automatically pulls competitor prices from Trendyol, Hepsiburada, N11, Pazarama, and Idefix in real time and sends you instant alerts. The Emparator Chrome extension, meanwhile, estimates a product's sales volume and profit margin on Trendyol, Amazon Turkey, Hepsiburada, and N11, giving you a quick answer to 'is this product worth selling?'. Ahrefs, Similarweb, and Semrush don't handle price at all - they compare SEO and digital traffic, showing which keywords bring a competitor organic traffic and how much site visitor volume they get. For Hepsiburada competitor price tracking as well, most of the same local tools offer multi-marketplace support from a single dashboard.

5

What Is Dynamic Pricing (Repricing) in E-Commerce?

Dynamic pricing, or repricing, is when your price gets updated automatically - via rules or machine learning - whenever a competitor's price changes. A simple rule example: 'if the buybox competitor's price drops below mine, undercut it by 1 TL while still protecting my profit margin'. More advanced systems also factor in supply-demand balance, stock levels, and recent sales velocity, updating the price hourly. There's a risk too: if you set up automatic repricing without a rule boundary, two competitors can drag each other's prices toward zero (a price war) and margins can evaporate. That's why every automated rule needs a floor price (a minimum profit margin) defined.

Don't switch repricing to automatic mode without defining a floor price (minimum profit margin) - the risk of selling at a loss in a competitor price war is real.

See repricing strategies in detail
6

How Do You Do Category Benchmarking and Market Analysis? (Turning It Into Action)

Market analysis means comparing yourself not against a single competitor, but against the average of the top 5-10 sellers in your category - this is called a category benchmark. For example, if the category average price is 249 TL and your product is priced at 289 TL, either you have no price advantage, or your product needs a genuinely standout difference (faster shipping, a higher rating). You should also include UX factors like product detail page quality, category-filter structure, mobile compatibility, and site speed in your benchmark - price comparison alone gives an incomplete picture. Turn the resulting data into a weekly action list: lower the price, join a promotion, increase stock, or shift your ad budget. This isn't sustainable to do manually across many products and competitors; Ecomiro's Analysis & Reports module produces category benchmarks, while the Buybox Tracking module automatically monitors competitor price and buybox changes and generates instant alerts - you just make the action decision.

Start with a pilot benchmark on 5-10 products first; if it delivers results, expand automated tracking to your entire catalog.

Calculate your minimum profit margin
Free tools

Related calculators

Free, no sign-up — run the numbers from this guide instantly:

FAQ

FAQ for this guide

First identify the 10-30 products you'll track and 3-5 main competitors, then regularly collect price, stock, promotion, and rating data. Compare this data against the category average and turn it into a weekly action list (price, promotion, and stock decisions).

Local price-tracking software like PriceRest automatically monitors Trendyol, Hepsiburada, N11, Pazarama, and Idefix; the Emparator Chrome extension estimates sales volume and profit margin. Ahrefs, Similarweb, and Semrush, meanwhile, are used for SEO and digital traffic comparisons.

If you have fewer than 5-10 products, you can manually check the 'other sellers' list on the product page. With a larger catalog, you need to switch to an automated price-tracking tool, because beyond 30 products manual tracking takes hours a day and price changes slip through unnoticed.

You can check manually via the 'other sellers' section on the product detail page, or upload your list to a barcode-based automated tracking tool and set up hourly or daily alerts. Hourly checks work best for fast-moving categories, while daily checks are enough for slower ones.

A direct competitor is a store selling the same product to the same target audience (like another seller offering the same brand of thermos). An indirect competitor meets the same customer need with a different product (like a seller offering a cooler bag instead of a thermos).

Choose a tool that updates in real time or hourly, shows multiple marketplaces (Hepsiburada, Trendyol, N11) in a single dashboard, and sends instant alerts. Most local tools like PriceRest offer all of these features together.

Simplify your marketplace management today.

Manage 7 marketplaces from one panel. 5-minute setup, cancel anytime.

Start free