the deep costume
Skip itA small market ($0/yr) — this niche doesn't clear our bar today.
Growth
Incredible>1,000%90-day search growth — must beat 0% to launch
Quality gap
Incredible4.0★avg incumbent rating — lower means beatable quality
Review moat
Great102.19avg incumbent reviews — the moat a new listing must climb
Price range
Incredible$15.60–$82.18cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$49.16avg listing price — sweet spot $15–$100
Competition
Bad76%top-5 click share — a locked-up shelf
Brand share
Bad92%top-5 brand share — brand-locked demand
Market size
Bad$0$0/yr · 44K searches
Conversion
Bad0.0%search→purchase rate — share of searches ending in a sale
Returns
Bad13.9%return rate — above 6% kills the launch gate
Competition
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 rising
Sellers
10
Top-5 brand share
92%
Open market
5%
- Fun Costumes44%
- QAHEART27%
- Puruuige13%
- Tonainy5%
- Firecos4%
- Yearntown3%
- Open — no brand owns it (3 brands, 5%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
QAHEART Homelander/The Deep/Starligh/The Trainert Cosplay Jumpsuit Halloween Outfit Bodysuit Anime Cosplay Costume
QAHEART$33.244.1★12 rev
Fun Costumes Mens The Boys The Deep Costume Jumpsuit with Belt Gloves Boot Covers and Octopus Accessory for Halloween Cosplay X-Large
Fun Costumes$80.063.6★4 rev
Fun Costumes Mens The Boys The Deep Costume Jumpsuit with Belt Gloves Boot Covers and Octopus Accessory for Halloween Cosplay Small
Fun Costumes$78.303.6★4 rev
Puruuige The Deep Costume Set The Deep Cosplay Outfits Set Cartoon Jumpsuit Bodysuits Set for Kids Adult
Puruuige$37.245.0★1 rev
Puruuige The Deep Costume Set The Deep Cosplay Outfits Set Cartoon Jumpsuit Bodysuits Set for Kids Adult
Puruuige$37.354.0★4 rev
Newest
by launch date
Yearntown 3 Pcs Halloween Men Costume Set Blue Tropical Shirt and Shorts with Gold Roller Buckle Belt for Movie Party(XL)
Yearntown$34.272 rev
Fun Costumes Mens The Boys The Deep Costume Jumpsuit with Belt Gloves Boot Covers and Octopus Accessory for Halloween Cosplay X-Large
Fun Costumes$80.064 rev
Fun Costumes Mens The Boys The Deep Costume Jumpsuit with Belt Gloves Boot Covers and Octopus Accessory for Halloween Cosplay Small
Fun Costumes$78.304 rev
Fun Costumes Mens The Boys The Deep Costume Jumpsuit with Belt Gloves Boot Covers and Octopus Accessory for Halloween Cosplay Large
Fun Costumes$82.184 rev
Geyoga Hooded Cloak Reaper Costume Medieval Renaissance Wizard Cloak Reaper Cosplay Cape Costume for Adult(Deep Black L)
Geyoga$15.603 rev
Trending
90-day click momentum
QAHEART Homelander/The Deep/Starligh/The Trainert Cosplay Jumpsuit Halloween Outfit Bodysuit Anime Cosplay Costume
QAHEART$31.884.1★
Mark Grayson Costume Jumpsuit Invincible Cosplay Halloween Outfits
Firecos$47.844.0★
Firecos Conquest Cosplay Costume Jumpsuit Mens Invincible Cosplay Costumes Adults Bodysuit Halloween Outfits
Firecos$54.020.0★
Fun Costumes Kids Deluxe Purple Octopus Costume Tentacled Headwear Outfit Standard
Fun Costumes$66.315.0★
Renaiasnace Faire Costume Women 2024 Summer Cottagecore Long Dress Red M
Scarlet Darkness$37.314.4★
Demand & seasonality
Weekly Amazon search volume, last 88 weeks — >1,000% search growth over the last 90 days.Peak months: May, Oct, Nov · busiest ÷ quietest = 97.8×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“nice quality”
What buyers complain about
“The top is kind of tight”