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harry potter headband

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A small market ($20K/yr) — this niche doesn't clear our bar today.

Market size 5Growth 22Conversion 20Competition 69Returns 29Price range 52Avg price 47Brand share 79Review moat 56Quality gap 28

Brand share

Great56%

top-5 brand share — no brand owns this niche

Competition

Good44%

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

Review moat

Good1,250.73

avg incumbent reviews — the moat a new listing must climb

Price range

Good$5.22–$25.54

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

Avg price

Okay$11.61

avg listing price — sweet spot $15–$100

Returns

Okay5.5%

return rate — above 6% kills the launch gate

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-6.9%

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

Conversion

Bad1.6%

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

Market size

Bad$20K

$20K/yr · 109K searches

Competition

The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.

Brands

26 rising

Sellers

43

Top-5 brand share

56%

Open market

36%

  • LUV HER14%
  • kitihoney13%
  • Harry Potter12%
  • JOEYTECH9%
  • Cinereplicas8%
  • Spoontiques8%

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%$8158%$2K12%$2K16%$3K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 44 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 88 weeks — -6.9% search growth over the last 90 days.
9K7KSpike '25DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Oct, Nov · busiest ÷ quietest = 2.6×

Reviews

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

What buyers love

Quality-Overall26%

“Excellent quality”

Advertised Vs Actual Product10%

“As shown”

Size-Overall8%

“Great fit”

Gifting Purpose7%

“Cute gift”

Color6%

“It's fabulous the colors are lovely”

Design-Overall5%

“Design on the bag is cool”

Value For Money5%

“Great value for the money”

Strength5%

“Very sturdy”

Fun/Entertainment Experience4%

“Family fun”

Ease Of Use2%

“its easy to use”

What buyers complain about

Size-Overall27%

“Handband too tight”

Durability14%

“Broke after one wear”

Quality-Overall9%

“Cheap”

Allergies5%

“She is allergic to a lot of earrings”

Color5%

“The color is off”

Design-Overall5%

“serious design flaw”

Weight Heavy2%

“Heavy and not practical for hair use”

Hair Related2%

“won't go in or out without pulling hair out with it”

Ease Of Use2%

“was sad she couldn't really use it”

Material Quality2%

“the material is definitely not silk”

Top return reasons

Size-Overall40%
Color8%
Length7%
Advertised Vs Actual Product6%
Value For Money6%
Quality-Overall6%
Material Quality4%
Defective Material/Parts3%
Suitability Long Hair2%
Feet Fit2%