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halloween costumes for teen girls

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Weak search conversion (0.1%) — this niche doesn't clear our bar today.

Market size 3Growth 36Conversion 1Competition 15Returns 20Price range 79Avg price 95Brand share 32Review moat 55Quality gap 57

Avg price

Incredible$23.27

avg listing price — sweet spot $15–$100

Price range

Great$6.54–$47.74

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Review moat

Good1,283.33

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+8.9%

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

Brand share

Okay86%

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

Returns

Bad7.3%

return rate — above 6% kills the launch gate

Competition

Bad82%

top-5 click share — a locked-up shelf

Market size

Bad$10K

$10K/yr · 885K searches

Conversion

Bad0.1%

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

Competition

The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

22

Top-5 brand share

86%

Open market

10%

  • Barrlves41%
  • GLEDLOVES21%
  • iWenSheng11%
  • DSplay6%
  • Elibelle6%
  • California Costumes4%
  • Open — no brand owns it (4 brands, 10%)

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%15%$2K30%$3K45%$5K60%$6K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +8.9% search growth over the last 90 days.
225K175KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 292.8×

Reviews

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

What buyers love

Gifting Purpose15%

“Great gift”

Fun/Entertainment Experience10%

“The kids are enjoying them”

Quality-Overall10%

“Good quality”

Soft Feel10%

“The material itself is soft and cozy, and the design is really cute”

Size-Overall8%

“True to size”

Comfort-Overall8%

“comfortable”

Value For Money5%

“the sale price was right”

Warmth5%

“cozy for year round use”

Color3%

“Very happy with both colors”

Advertised Vs Actual Product3%

“Just as shown, pretty”

What buyers complain about

Size-Overall27%

“Poor fit”

Durability14%

“Broke Immediately”

Quality-Overall13%

“not well made”

Stitch/Finish/Polish5%

“Seams are trash”

Gap/Hole3%

“Arrived with hole”

Material Quality2%

“The material was very cheap”

Smell2%

“Battery make it smelly”

Advertised Vs Actual Product2%

“This was nothing like the picture”

Strap/String Quality2%

“Couldnt give it a five because the shoulder strap was not as adjustable enough to have it fit”

Chain/Key Quality2%

“the chain broke almost immediately”

Top return reasons

Size-Overall55%
Length11%
Gap/Hole4%
Advertised Vs Actual Product3%
Material Quality3%
Sleeve Fit2%
Functionality-Overall2%
Stitch/Finish/Polish2%
Quality-Overall2%
Shoulder Fit2%