---
title: "Trend — 金庫 a4 - Flapen"
canonical_url: "https://flapen.com/research/jp/diy/a4/trend"
last_updated: "2026-08-08T09:28:50.508Z"
locale: en
meta:
  description: "Niche score 58/100 · ¥3.4M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 58/100 · ¥3.4M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — 金庫 a4 - Flapen"
---

# **金庫 a4**

**Worth a look**

Shows low returns (0.6%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 96Growth 18Conversion 18Competition 80Returns 97Price range 0Avg price 0Brand share 61Review moat 36Quality gap 94

**Returns**

**Incredible****0.6%**

return rate — above 5% kills the launch gate

**Market size**

**Incredible****¥3.4M**

¥3.4M/yr · 35K searches

**Quality gap**

**Great****4.0★**

avg incumbent rating — lower means beatable quality

**Competition**

**Great****35%**

top-5 click share — an open shelf

**Brand share**

**Good****69%**

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

**Review moat**

**Okay****2,906.59**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-13.5%**

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

**Conversion**

**Bad****1.4%**

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

**Avg price**

**Bad****¥6982.87**

avg listing price — sweet spot $15–$100

**Price range**

**Bad****¥1931.12–¥15106.63**

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

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=jp&signal=no_dominant_brand "Top brand's click share < 20%") [** High Price**](https://flapen.com/research/niches?market=jp&signal=high_price "Avg price > $50")

## Trend