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.

harley quinn costume women

Skip it

Weak search conversion (0.4%) — this niche doesn't clear our bar today.

Avg price

Great£20.46

avg listing price — sweet spot $15–$100

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Review moat

Great396.39

avg incumbent reviews — the moat a new listing must climb

Competition

Great37%

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

Good2.8%

return rate — above 5% kills the launch gate

Brand share

Good75%

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

Bad0.4%

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

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

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.

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 47.7×

Open Trend

Top harley quinn costume women search terms

harley quinn costume323K/yr -10.8%0.3% conv.
harley quinn costume women135K/yr -30.6%0.5% conv.
harlequin costume16K/yr +13.9%0.1% conv.
sexy harley quinn costume6K/yr -15.0%0.0% conv.
harley quinn outfit7K/yr +1.1%0.2% conv.
harley quinn costume adult12K/yr -14.3%0.7% conv.
harley quin6K/yr -11.8%0.0% conv.
joker and harley quinn costume9K/yr +4.7%0.0% conv.
harlequin costume women13K/yr -68.9%0.5% conv.
womens harley quinn costume5K/yr -4.9%0.0% conv.

All 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.

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

Rubies Official Harley Quinn Suicide Squad Inflatable Baseball Bat Lightweight Prop for Kids & Teens

Rubies£5.434.3★4,157 rev

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£16.614.3★13 rev

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£16.574.1★8 rev

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£8.223.4★48 rev

Ciao - Harley Quinn Suicide Squad Costume Fancy Dress Girls Women Adult Official DC Comics (Size M)

Ciao£30.093.5★28 rev

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£12.504 rev

7mo ago

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£16.6113 rev

11mo ago

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£16.8013 rev

11mo ago

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£7.743 rev

1y ago

Kitimi Adult Cos L

Kitimi£17.433 rev

1y ago

What buyers say about harley quinn costume women

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

What buyers love

Size-Overall57%

“Fitted well”

Quality-Overall14%

“Good quality”

Value For Money7%

“Value for money”

Advertised Vs Actual Product7%

“Just how they look”

Material Quality7%

“good material”

What buyers complain about

Color25%

“Because this was packed air locked when Im packed all the colour had come off when unfolding”

Size-Overall25%

“Inflateable not very big”

Thickness25%

“Very thick”

Quality-Overall13%

“Not good at all very disappointed it kept goin down”

Top return reasons

Size-Overall82%

Advertised Vs Actual Product4%

Color4%

Material Quality3%

Quality-Overall2%

Water Resistance1%

Unsustainable Design1%

Shape/Style1%

Stitch/Finish/Polish1%

Defective Material/Parts0%

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.