Is big bang theory profitable to sell on Amazon United Kingdom?

The niche generates £15K/yr across 6 tracked products. 90-day search growth is -0.9%. Flapen's verdict: Skip it (30/100).

How competitive is the big bang theory niche?

5 brands and 12 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.

When does demand for big bang theory peak?

Demand peaks in Jan–Dec; the busiest month runs 8.8× the quietest.

What does it cost to enter the big bang theory niche?

Listings span £5.20–£30.82; the average listing price is £13.58 (sweet spot $15–$100). The average incumbent carries 34 reviews — the moat a new listing must climb.

big bang theory

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Review moat

Incredible33.83

avg incumbent reviews — the moat a new listing must climb

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Avg price

Good£13.58

avg listing price — sweet spot $15–$100

Price range

Good£5.20–£30.82

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-0.9%

90-day search growth — must beat 0% to launch

Conversion

Bad0.8%

search→purchase rate — share of searches ending in a sale

Market size

Bad£15K

£15K/yr · 138K searches

Competition

Bad96%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals Low Review Barrier

According to Flapen's Amazon United Kingdom niche tracking, big bang theory is a £15K/yr Amazon United Kingdom market (138K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 30/100.

Data updated Jul 23, 2026 · scored weekly · How we score niches

big bang theory market data

Units sold / yr: 1K–2K; avg 0–100/product
Revenue / yr: £17K–£20K; units × avg price
Conversion rate: 0.8%
Avg BSR: #99,269
Page quality: 0%
Prime: 33%
Sponsored: 50%
Out of stock: 6.4%
Avg brand age: 69 months
Avg seller age: 203 days

Competition & brand share

The top 5 products capture 96% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

96%

Top 20: 100%

Open market

SockShop77%
ZFENGYYUAN8%
Absolute Cult7%
Top Trumps4%
The Big Bang Theory4%

Demand & seasonality

Weekly Amazon search volume, last 81 weeks — -0.9% search growth over the last 90 days.

Peak months: Jan, Dec · busiest ÷ quietest = 8.8×

Open Trend

Top big bang theory search terms

big bang theory78K/yr -8.4%0.2% conv.
big bang33K/yr +15.8%0.0% conv.
big bang theory merchandise22K/yr -18.1%0.4% conv.
big bang theory gifts5K/yr +42.3%0.9% conv.

All search terms

Top big bang theory products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 6 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

SockShop Mens The Big Bang Theory Socks Pack of 3 Assorted 6-11

SockShop£10.104.6★55 rev

ZFENGYYUAN Sheldon Cooper Big Bang Theory Linen Cushion cover TV Series Men Kids THATS MY SPOT Pillowcase Without Insert No stuffing 45x45cm home decor sofa car beddingroom

ZFENGYYUAN£7.744.1★17 rev

Official Licensed The Big Bang Theory Bazinga Elements Mens Hoodie - Soft Fleece Pullover Hoodie Front Graphic Print Hooded Sweatshirt Kangaroo Pocket Fan Gift Available in Multiple UK Sizes

Absolute Cult£30.825.0★2 rev

SockShop Mens Big Bang Theory Socks Pack of 3 Assorted 11-13

SockShop£10.154.6★55 rev

Top Trumps The Big Bang Theory 30 Top Moments Specials Card Game Relive your favourite moments with Sheldon Amy Leonard Raj Howard Bernadette and Penny a great gift for ages 6 plus

Top Trumps£5.204.4★74 rev

Newest

by launch date

ZFENGYYUAN Sheldon Cooper Big Bang Theory Linen Cushion cover TV Series Men Kids THATS MY SPOT Pillowcase Without Insert No stuffing 45x45cm home decor sofa car beddingroom

ZFENGYYUAN£7.7417 rev

1y ago

SockShop Mens The Big Bang Theory Socks Pack of 3 Assorted 6-11

SockShop£10.1055 rev

3y ago

Top Trumps The Big Bang Theory 30 Top Moments Specials Card Game Relive your favourite moments with Sheldon Amy Leonard Raj Howard Bernadette and Penny a great gift for ages 6 plus

Top Trumps£5.2074 rev

4y ago

Official Licensed The Big Bang Theory Bazinga Elements Mens Hoodie - Soft Fleece Pullover Hoodie Front Graphic Print Hooded Sweatshirt Kangaroo Pocket Fan Gift Available in Multiple UK Sizes

Absolute Cult£30.822 rev

7y ago

SockShop Mens Big Bang Theory Socks Pack of 3 Assorted 11-13

SockShop£10.1555 rev

9y ago

What buyers say about big bang theory

What buyers praise and complain about, mined from review topics.

What buyers love

Print Quality33%

“the print is very defined”

Quality-Overall33%

“Seems to be well made”

Material Quality33%

“The material is good”

Common questions

Is big bang theory profitable to sell on Amazon United Kingdom?: The niche generates £15K/yr across 6 tracked products. 90-day search growth is -0.9%. Flapen's verdict: Skip it (30/100).
How competitive is the big bang theory niche?: 5 brands and 12 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.
When does demand for big bang theory peak?: Demand peaks in Jan–Dec; the busiest month runs 8.8× the quietest.
What does it cost to enter the big bang theory niche?: Listings span £5.20–£30.82; the average listing price is £13.58 (sweet spot $15–$100). The average incumbent carries 34 reviews — the moat a new listing must climb.