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k pop demon hunters costume adult

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A small market ($0/yr) — this niche doesn't clear our bar today.

Market size 0Growth 15Conversion 0Competition 66Returns 37Price range 93Avg price 93Brand share 56Review moat 92Quality gap 95

Quality gap

Incredible4.0★

avg incumbent rating — lower means beatable quality

Avg price

Great$49.58

avg listing price — sweet spot $15–$100

Price range

Great$13.01–$87.78

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

Review moat

Great158.26

avg incumbent reviews — the moat a new listing must climb

Competition

Good46%

top-5 click share — leaders hold, buyers still browse

Brand share

Good71%

top-5 brand share — brands hold most of the demand

Returns

Okay4.5%

return rate — above 6% kills the launch gate

Growth

Bad-20.6%

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

Market size

Bad$0

$0/yr · 465K searches

Conversion

Bad0.0%

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

Competition

The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.

Brands

15

Sellers

21

Top-5 brand share

71%

Open market

23%

  • Spirit Halloween24%
  • Linnektome22%
  • KPop Demon Hunters12%
  • ACCICA7%
  • ZBDFNJ7%
  • morvally6%

Product shelf

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

0%4%$08%$012%$016%$01101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 34 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 37 weeks — -20.6% search growth over the last 90 days.
25K15KSpike '25Oct '25Dec '25Jan '26Mar '26Apr '26May '26

Reviews

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

What buyers love

Size-Overall26%

“Fits good”

Quality-Overall19%

“Was really well made”

Color6%

“The color was very bright”

Material Quality5%

“The material is soft”

Ease Of Use4%

“Easy to use”

Gifting Purpose4%

“They were a gift”

Comfort-Overall3%

“Very comfortable”

Ease Of Application3%

“the application process was fairly easy”

Advertised Vs Actual Product3%

“As expected”

Durability2%

“it is holding up”

What buyers complain about

Size-Overall23%

“Runs small”

Quality-Overall15%

“Horrible quality control”

Print Quality10%

“Awful print job”

Weight Heavy8%

“Too heavy”

Value For Money7%

“A bit expensive”

Ease Of Use4%

“Couldn't use it”

Color3%

“Colors are not that good”

Durability2%

“Broke after one day”

Functionality-Overall2%

“Did not work”

Wig/Artificial Hair Quality2%

“The wig messed up completely”

Top return reasons

Size-Overall56%
Wig/Artificial Hair Quality9%
Advertised Vs Actual Product4%
Quality-Overall4%
Length4%
Print Quality3%
Chest Fit3%
Weight Heavy2%
Color2%
Material Quality2%