---
title: "Trend — hollow knight costume"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/hollow-knight-costume/trend"
last_updated: "2026-08-12T23:30:03.973Z"
locale: en
meta:
  description: "Amazon product research for hollow knight costume: $3K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:description": "Amazon product research for hollow knight costume: $3K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:title": "Trend — hollow knight costume"
---

# **Hollow Knight Costume**

**Skip it**

Weak search conversion (0.3%) — this niche doesn't clear our bar today.

Market size 9Growth 13Conversion 4Competition 43Returns 47Price range 64Avg price 95Brand share 38Review moat 97Quality gap 50

**Review moat**

**Incredible****67.75**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Incredible****$36.03**

avg listing price — sweet spot $15–$100

**Price range**

**Good****$12.65–$144.49**

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

**Quality gap**

**Good****4.5★**

avg incumbent rating — lower means beatable quality

**Returns**

**Okay****3.2%**

return rate — above 5% kills the launch gate

**Competition**

**Okay****59%**

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

**Brand share**

**Okay****82%**

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

**Growth**

**Bad****-23.2%**

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

**Market size**

**Bad****$34K**

$34K/yr · 318K searches

**Conversion**

**Bad****0.3%**

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

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

## Trend