---
title: "Harley Quinn Costume Women — £46K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/fashion/harley-quinn-costume-women"
last_updated: "2026-07-31T13:31:03.104Z"
locale: en
meta:
description: "Niche score 48/100 · £46K/yr market · 549K searches/yr · £20.46 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · £46K/yr market · 549K searches/yr · £20.46 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Harley Quinn Costume Women — £46K/yr Amazon UK Niche (2026) - Flapen"
---
# **harley quinn costume women**
**Skip it**
Weak search conversion (0.4%) — this niche doesn't clear our bar today.
Market size 12Growth 18Conversion 5Competition 78Returns 56Price range 73Avg price 89Brand share 50Review moat 80Quality gap 88
**Avg price**
**Great****£20.46**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Great****396.39**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Great****37%**
top-5 click share — an open shelf
**Price range**
**Good****£5.43–£40.61**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Good****2.8%**
return rate — above 5% kills the launch gate
**Brand share**
**Good****75%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-14.3%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****£46K**
£46K/yr · 549K searches
**Conversion**
**Bad****0.4%**
search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United Kingdom niche tracking, harley quinn costume women is a £46K/yr Amazon United Kingdom market (549K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 48/100.
Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **harley quinn costume women market data**
- **Units sold / yr**
- **3K–3K**
- avg 0–100/product
- **Revenue / yr**
- **£51K–£61K**
- units × avg price
- **Conversion rate**
- **0.4%**
- **Avg BSR**
- **#4,183**
- **Page quality**
- **0%**
- **Prime**
- **68%**
- **Sponsored**
- **61%**
- **Out of stock**
- **5.0%**
- **Avg brand age**
- **50 months**
- **Avg seller age**
- **191 days**
## **Competition & brand share**
Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.
**Brands**
**19 **▲rising
**Sellers**
**45**
**Top-5 brand share**
**75%**
Top 20: 100%
**Top-5 click share**
**37%**
Top 20: 80%
**Open market**
**21%**
- Rubies23% - Kitimi22% - Funidelia16% - janisramone7% - Ciao6% - Ficlwigkis4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -14.3% search growth over the last 90 days.
90K70KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 47.7×
[**Open Trend **](https://flapen.com/research/uk/fashion/harley-quinn-costume-women/trend)
## **Top harley quinn costume women search terms**
- **harley quinn costume**323K/yr-10.8%0.3% conv. - **harley quinn costume women**135K/yr-30.6%0.5% conv. - **harlequin costume**16K/yr+13.9%0.1% conv. - **sexy harley quinn costume**6K/yr-15.0%0.0% conv. - **harley quinn outfit**7K/yr+1.1%0.2% conv. - **harley quinn costume adult**12K/yr-14.3%0.7% conv. - **harley quin**6K/yr-11.8%0.0% conv. - **joker and harley quinn costume**9K/yr+4.7%0.0% conv. - **harlequin costume women**13K/yr-68.9%0.5% conv. - **womens harley quinn costume**5K/yr-4.9%0.0% conv. [**All search terms **](https://flapen.com/research/uk/fashion/harley-quinn-costume-women/search-terms)
## **Top harley quinn costume women 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%3%£1K6%£3K9%£4K12%£6K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Rubies Official Harley Quinn Suicide Squad Inflatable Baseball Bat Lightweight Prop for Kids & Teens**Rubies**£5.43**4.3★4,157 rev](https://www.amazon.co.uk/dp/B06XH3XLC3) [2**Costumes Women Halloween- Villain Fancy Dress Harley Costume Outfit Ladies Carnival Cosplay Costume Kit with Jacket T-Shirt Shorts Gloves Tattoo Baseball Bat Theme Party for Adults Girls XL**Kitimi**£16.61**4.3★13 rev](https://www.amazon.co.uk/dp/B0FL7MQQ39) [3**Kitimi Costumes Women Adult Fancy Dress Carnival Halloween Villain Costume adult Include Jacket T-shirt Shorts Choker Bat and Glove for Halloween Carnival Cosplay(XL)**Kitimi**£16.57**4.1★8 rev](https://www.amazon.co.uk/dp/B0FC29XFQT) [4**janisramone Womens and Kids Halloween Costumes Shiny Wet Look Red and Blue Cosplay Jackets Knickers Hotpants Leggings Skater Skirt Daddys Little Monster T Shirt Fancy Dress Costumes**janisramone**£8.22**3.4★48 rev](https://www.amazon.co.uk/dp/B076MHYZCX) [5**Ciao - Harley Quinn Suicide Squad Costume Fancy Dress Girls Women Adult Official DC Comics (Size M)**Ciao**£30.09**3.5★28 rev](https://www.amazon.co.uk/dp/B0DCHB32BD)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**UxClishe 6 Pcs Costume Set Costume Outfit Cosplay Fancy Dress with Jacket T-shirt Shorts Glove Necklace Temporary Tattoos Costume Kit for World Book Day Halloween Carnival Party**UxClishe**£12.50**4 rev7mo ago](https://www.amazon.co.uk/dp/B0GC5QMW9B) [**Costumes Women Halloween- Villain Fancy Dress Harley Costume Outfit Ladies Carnival Cosplay Costume Kit with Jacket T-Shirt Shorts Gloves Tattoo Baseball Bat Theme Party for Adults Girls XL**Kitimi**£16.61**13 rev11mo ago](https://www.amazon.co.uk/dp/B0FL7MQQ39) [**Costumes for Women Halloween- Villain Fancy Dress Harley Costume Outfit Ladies Carnival Cosplay Costume Kit with Jacket T-Shirt Shorts Gloves Tattoo Baseball Bat Theme Party for Adults Girls M**Kitimi**£16.80**13 rev11mo ago](https://www.amazon.co.uk/dp/B0FL7PWZTW) [**Maazusa Red-Blue Cosplay Costume for Women Cosplay Outfits with Jacket Short Sleeve Gloves Stockings Wig Red-Blue Villain Cosplay Fancy Dress for World Book Day Theme Party (L)**Maazusa**£7.74**3 rev1y ago](https://www.amazon.co.uk/dp/B0FHVMRP2H) [**Kitimi Adult Cos L**Kitimi**£17.43**3 rev1y ago](https://www.amazon.co.uk/dp/B0FHBB3DYK)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Maazusa Red-Blue Cosplay Costume for Women Cosplay Outfits with Jacket Short Sleeve Gloves Stockings Wig Red-Blue Villain Cosplay Fancy Dress for World Book Day Theme Party (L)**Maazusa**£7.74**3.3★**▲ 689%**](https://www.amazon.co.uk/dp/B0FHVMRP2H) [**Funidelia Official Harley Quinn Costume - Suicide Squad for Women Size XL Superheroes DC Comics - Costume for adults for parties Carnival and Halloween**Funidelia**£36.93**4.1★**▲ 637%**](https://www.amazon.co.uk/dp/B08JD3C48S) [**janisramone Womens and Kids Halloween Costumes Shiny Wet Look Red and Blue Cosplay Jackets Knickers Hotpants Leggings Skater Skirt Daddys Little Monster T Shirt Fancy Dress Costumes**janisramone**£8.22**3.4★**▲ 633%**](https://www.amazon.co.uk/dp/B076MHYZCX) [**UxClishe 6 Pcs Costume Set Costume Outfit Cosplay Fancy Dress with Jacket T-shirt Shorts Glove Necklace Temporary Tattoos Costume Kit for World Book Day Halloween Carnival Party**UxClishe**£12.50**3.6★**▲ 448%**](https://www.amazon.co.uk/dp/B0GC5QMW9B) [**Funidelia Official Harley Quinn Costume - Arkham City for Women Trousers Belt Choker and Gloves Printed DC Comics Logos Size L - Costume for Adults for Parties Carnival and Halloween Black**Funidelia**£37.39**3.8★**▲ 398%**](https://www.amazon.co.uk/dp/B07TSPXX8Z)
**~~View all trending →~~**
## **What buyers say about harley quinn costume women**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**57%
*“Fitted well”*
**Quality-Overall**14%
*“Good quality”*
**Value For Money**7%
*“Value for money”*
**Advertised Vs Actual Product**7%
*“Just how they look”*
**Material Quality**7%
*“good material”*
### **What buyers complain about **
**Color**25%
*“Because this was packed air locked when Im packed all the colour had come off when unfolding”*
**Size-Overall**25%
*“Inflateable not very big”*
**Thickness**25%
*“Very thick”*
**Quality-Overall**13%
*“Not good at all very disappointed it kept goin down”*
### **Top return reasons **
**Size-Overall**82%
**Advertised Vs Actual Product**4%
**Color**4%
**Material Quality**3%
**Quality-Overall**2%
**Water Resistance**1%
**Unsustainable Design**1%
**Shape/Style**1%
**Stitch/Finish/Polish**1%
**Defective Material/Parts**0%
## **Common questions**
- **Is harley quinn costume women profitable to sell on Amazon United Kingdom?**
- The niche generates £46K/yr across 41 tracked products. 0 of 7 products launched in the last 360 days are still selling. 90-day search growth is -14.3%. Flapen's verdict: Skip it (48/100).
- **How competitive is the harley quinn costume women niche?**
- 19 brands and 45 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 75% of demand.
- **What do buyers complain about in harley quinn costume women?**
- Top complaints mined from reviews: Color, Size-Overall, Thickness. The return rate is 2.8%.
- **When does demand for harley quinn costume women peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 47.7× the quietest.
- **What does it cost to enter the harley quinn costume women niche?**
- Listings span £5.43–£40.61; the average listing price is £20.46 (sweet spot $15–$100). The average incumbent carries 396 reviews — the moat a new listing must climb.
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