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Sigma

Fail

Products sell for $507.72 on average, outside the sweet spot, so Sigma is a Fail.

Flapen Score
41
41 / 100
Ranks 11,806 of 14,768 Health & Household niches · −8 vs the category median of 49
Market size
$3.6M/yr326K searches / yr
90-day growth
+0.1%search demand this quarter
Competition
62%top-5 click share · 7 brands · 120 sellers

Flapen Score

Sigma against its category

The dotted line is the Health & Household average. Past it, Sigma is stronger. Inside it, weaker.

41Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Sigma market on Amazon at a glance

Shoppers on Amazon United States searched for Sigma 326K times last year and spent an estimated $3.6M. The top 5 brands take 97% of clicks. Flapen scores it 41 out of 100, a Fail.

01 · Demand

An estimated 2.2% of those searches ended in a purchase.

Shoppers searched for this 326K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.2% of those searches ended in a purchase. Searches in the last 90 days moved +0.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $3.6M a year.

Searches, last 12 months
326K
Growth, 90 days vs prior 90
+0.1%
Conversion, latest week
2.2%
Market size, estimated
$3.6Ma year
Top search term
sigma117K searches a year

02 · Price

A sale here is worth $507.72.

Listings sell for $507.72 on average, from $14.81 to $1565.53. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 250 to 500 of them. At $507.72 that is $127K to $254K a year per listing.

Average price
$507.72above the $15 to $100 sweet spot
Price range
$14.81–$1565.53
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
6K–8K
Units per listing a year
250–500
Revenue per listing a year
$127K–$254K
Returns
2.1%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is ads.

90% of listings pay for placement with sponsored ads. 95% ship with Prime. On an average day, 1.5% of listings are out of stock. The average listing ranks #191 within Testosterone Boosters. It carries 1,001 reviews at 4.55 stars, so a new listing needs social proof before a better product.

Sponsored listings
90%
Prime listings
95%
Out of stock, average day
1.5%
Average rank
#191in Testosterone Boosters
Average rating
4.55 starsAmazon United States average 4.42 stars
Average reviews
1,001per listing
Listings tracked
21

04 · Newcomers

0 of last year's 1 launches cleared the first-year sales bar.

1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 60 months on average, so the names here are established.

Launched, last 12 months
1
Successful launches
0Amazon's first-year sales bar
Average brand age
60 months

Products

Top Sigma products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 62% of clicks. Leaders hold, but buyers still shop past them.

Brands

7 rising

Sellers

120

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

62%

Top 20: 99%

Open market

1%

  • Brand 140%
  • Brand 228%
  • Brand 326%
  • Brand 42%
  • Brand 52%
  • Brand 62%
  • Open — no brand owns it (1 brand, 1%)

Demand

Sigma search demand

Weekly searches over the year, seasonality beneath. Pick a range.

25K15KHoliday '25Spike '26SepOctNovDecJanFebMarAprMayJun

Peak months: Jan, Nov, Dec · busiest ÷ quietest = 4.9× · 11 of 12 months tracked

Search terms

Top Sigma search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • sigma117K/yr
  • sigma lens46K/yr
  • sigma beauty32K/yr
  • sigma e mount lens18K/yr
  • sigma lens for sony14K/yr
  • gorilla mind sigma9K/yr
  • sigma lenses9K/yr
  • sigma sony lens6K/yr
  • sigma eyeshadow primer11K/yr
  • sigma gorilla mind6K/yr

Reviews and returns

What reviews say buyers love and hate about Sigma

We read the reviews and the return reasons for every product selling here.

30%of positive reviews mention “Lenses”
8%of negative reviews mention “Lenses”
2.1%of orders come back
“Truly awful lens”
A buyer, on “Lenses”8% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

20 topics

NegativePositive

FAQ

Common Sigma questions

Answered from the same tracked data.