---
title: "Big Bang Theory — €44K/yr Amazon DE Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/de/fashion/big-bang-theory"
last_updated: "2026-08-10T11:28:54.329Z"
locale: en
meta:
description: "Niche score 28/100 · €44K/yr market · 1.9M searches/yr · €22.97 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 28/100 · €44K/yr market · 1.9M searches/yr · €22.97 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Big Bang Theory — €44K/yr Amazon DE Niche (2026) - Flapen"
---
# **big bang theory**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 11Growth 6Conversion 1Competition 19Returns 75Price range 95Avg price 95Brand share 0Review moat 64Quality gap 19
**Avg price**
**Incredible****€22.97**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****€16.72–€40.62**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Great****2.0%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****960**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****77%**
top-5 click share — a locked-up shelf
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****€44K**
€44K/yr · 1.9M searches
**Growth**
**Bad****-37.0%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****0.1%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon Germany niche tracking, big bang theory is a €44K/yr Amazon Germany market (1.9M searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 28/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **big bang theory market data**
- **Units sold / yr**
- **1K–1K**
- avg 0–100/product
- **Revenue / yr**
- **€23K–€29K**
- units × avg price
- **Conversion rate**
- **0.1%**
- **Avg BSR**
- **#67,334**
- **Page quality**
- **0%**
- **Prime**
- **43%**
- **Sponsored**
- **93%**
- **Out of stock**
- **11.1%**
- **Avg brand age**
- **81 months**
- **Avg seller age**
- **200 days**
## **Competition & brand share**
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**36**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**77%**
Top 20: 100%
**Open market**
**0%**
- Logoshirt89% - Winning Moves3% - BRIKSMAX3% - HWC Trading2% - Funko2%
## **Demand**
Weekly Amazon search volume, last 29 weeks — -37.0% search growth over the last 90 days.
175K125KSpike '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/de/fashion/big-bang-theory/trend)
## **Top big bang theory search terms**
- **big bang theory**1.2M/yr-39.9%0.0% conv. - **the big bang theory**587K/yr-33.5%0.0% conv. - **big bang**72K/yr-22.9%0.0% conv. - **the big bang**21K/yr-19.5%0.0% conv. [**All search terms **](https://flapen.com/research/de/fashion/big-bang-theory/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.
0%10%€4K20%€9K30%€13K40%€18K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Logoshirt The Big Bang Theory I Bazinga I T-Shirt Print I Damen & Herren I kurzärmlig I rot I Lizenziertes Originaldesign I Größe XL**Logoshirt**€21.90**4.6★181 rev](https://www.amazon.de/dp/B00SVAZ5W4) [2**Logoshirt The Big Bang Theory I Bazinga I T-Shirt Print I Damen & Herren I kurzärmlig I rot I Lizenziertes Originaldesign I Größe XS**Logoshirt**€23.01**4.6★181 rev](https://www.amazon.de/dp/B00SVAYRTQ) [3**Logoshirt The Big Bang Theory I Bazinga I T-Shirt Print I Damen & Herren I kurzärmlig I rot I Lizenziertes Originaldesign I Größe M**Logoshirt**€23.32**4.6★181 rev](https://www.amazon.de/dp/B00SVAZ0JM) [4**Logoshirt The Big Bang Theory I Team Sheldon I T-Shirt Print I Damen & Herren I kurzärmlig I blau I Lizenziertes Originaldesign I Größe L**Logoshirt**€20.85**4.9★12 rev](https://www.amazon.de/dp/B01AWO78OO) [5**Logoshirt The Big Bang Theory I Team Sheldon I T-Shirt Print I Damen & Herren I kurzärmlig I blau I Lizenziertes Originaldesign I Größe 3XL**Logoshirt**€18.07**4.9★12 rev](https://www.amazon.de/dp/B01AWO7CV8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**HWC Trading FR Signiertes Bild mit Schriftzug The Big Bang Theory Format A3 mit Rahmen**HWC Trading**€28.80**119 rev5y ago](https://www.amazon.de/dp/B092ZTKN8H) [**Funko Pop! TV: Big Bang Theory-Leonard Hofstadter - Vinyl-Sammelfigur - Geschenkidee - Offizielle Handelswaren - Spielzeug Für Kinder und Erwachsene - TV Fans - Modellfigur Für Sammler**Funko**€18.69**2,079 rev7y ago](https://www.amazon.de/dp/B07N5XFFS3) [**BRIKSMAX Led Beleuchtungsset für The Big Bang Theory Kompatibel Mit Lego 21302 Bausteinen Modell - Ohne Lego Set**BRIKSMAX**€26.07**2,071 rev7y ago](https://www.amazon.de/dp/B07N2NMT8G) [**Logoshirt The Big Bang Theory I Team Sheldon I T-Shirt Print I Damen & Herren I kurzärmlig I blau I Lizenziertes Originaldesign I Größe L**Logoshirt**€20.85**12 rev10y ago](https://www.amazon.de/dp/B01AWO78OO) [**Logoshirt The Big Bang Theory I Team Sheldon I T-Shirt Print I Damen & Herren I kurzärmlig I blau I Lizenziertes Originaldesign I Größe 3XL**Logoshirt**€18.07**12 rev10y ago](https://www.amazon.de/dp/B01AWO7CV8)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Logoshirt The Big Bang Theory I Team Sheldon I T-Shirt Print I Damen & Herren I kurzärmlig I blau I Lizenziertes Originaldesign I Größe XXL**Logoshirt**€16.72**4.9★**▲ 80%**](https://www.amazon.de/dp/B01AWO7BI2) [**Logoshirt The Big Bang Theory I Team Sheldon I T-Shirt Print I Damen & Herren I kurzärmlig I blau I Lizenziertes Originaldesign I Größe 3XL**Logoshirt**€18.07**4.9★**▲ 80%**](https://www.amazon.de/dp/B01AWO7CV8) [**Logoshirt The Big Bang Theory I Team Sheldon I T-Shirt Print I Damen & Herren I kurzärmlig I blau I Lizenziertes Originaldesign I Größe L**Logoshirt**€20.85**4.9★**▲ 80%**](https://www.amazon.de/dp/B01AWO78OO) [**Logoshirt The Big Bang Theory I Bazinga I T-Shirt Print I Damen & Herren I kurzärmlig I rot I Lizenziertes Originaldesign I Größe XL**Logoshirt**€21.90**4.6★**▲ 79%**](https://www.amazon.de/dp/B00SVAZ5W4) [**Logoshirt The Big Bang Theory I Team Sheldon I T-Shirt Print I Damen & Herren I kurzärmlig I blau I Lizenziertes Originaldesign I Größe S**Logoshirt**€16.74**4.9★**▲ 78%**](https://www.amazon.de/dp/B01AWO754W)
**~~View all trending →~~**
## **What buyers say about big bang theory**
What buyers praise and complain about, mined from review topics.
### **Top return reasons **
**Rahmenqualität**33%
**Gesamtgröße**33%
**Montage/Installation**17%
**Mechanismus probleme**17%
## **Common questions**
- **Is big bang theory profitable to sell on Amazon Germany?**
- The niche generates €44K/yr across 14 tracked products. 90-day search growth is -37.0%. Flapen's verdict: Skip it (28/100).
- **How competitive is the big bang theory niche?**
- 5 brands and 36 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 100% of demand.
- **What does it cost to enter the big bang theory niche?**
- Listings span €16.72–€40.62; the average listing price is €22.97 (sweet spot $15–$100). The average incumbent carries 960 reviews — the moat a new listing must climb.
## **Related niches in Fashion**
- 69 [**boxershorts herren weiß**](https://flapen.com/research/de/fashion/boxershorts-herren-weiss)€83K/yr+156.2%**Worth a look**- 69 [**festival outfit herren**](https://flapen.com/research/de/fashion/festival-outfit-herren)€21K/yr+448.8%**Worth a look**- 69 [**schultüte**](https://flapen.com/research/de/fashion/schultuete)€363K/yr+160.3%**Worth a look**- 69 [**fahrradsattel**](https://flapen.com/research/de/fashion/fahrradsattel)€1.1M/yr+120.7%**Launch it**- 69 [**klebe bh**](https://flapen.com/research/de/fashion/klebe-bh)€362K/yr+193.3%**Worth a look**- 70 [**deutschland trikot em 2024 damen**](https://flapen.com/research/de/fashion/deutschland-trikot-em-2024-damen)€32K/yr>1,000%**Worth a look**[**All Fashion niches **](https://flapen.com/research/de/fashion)