---
title: "ダイオ(dio) — ¥0/yr Amazon JP Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/jp/diy/dio"
last_updated: "2026-08-08T07:44:00.004Z"
locale: en
meta:
description: "Niche score 33/100 · ¥0/yr market · 2K searches/yr · ¥1029.98 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 33/100 · ¥0/yr market · 2K searches/yr · ¥1029.98 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "ダイオ(dio) — ¥0/yr Amazon JP Niche (2026) - Flapen"
---
# **ダイオ(dio)**
**Skip it**
A small market ($0/yr) — this niche doesn't clear our bar today.
Market size 0Growth 88Conversion 0Competition 0Returns 98Price range 0Avg price 0Brand share 0Review moat 50Quality gap 78
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Growth**
**Great****+92.8%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****1,510.25**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****¥0**
¥0/yr · 2K searches
**Conversion**
**Bad****0.0%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Avg price**
**Bad****¥1029.98**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****¥642.43–¥1298.60**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** High Price**](https://flapen.com/research/niches?market=jp&signal=high_price "Avg price > $50")
According to Flapen's Amazon Japan niche tracking, ダイオ(dio) is a ¥0/yr Amazon Japan market (2K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Sep–Oct–Nov–Dec. Verdict: Skip it — 33/100.
Data updated Jul 31, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **ダイオ(dio) market data**
- **Units sold / yr**
- **0–100**
- avg 0–100/product
- **Revenue / yr**
- **¥0–¥103K**
- units × avg price
- **Conversion rate**
- **0.0%**
- **Avg BSR**
- **#63**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **0%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **75 months**
- **Avg seller age**
- **188 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**1 **
**Sellers**
**27**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Dio100%
## **Demand & seasonality**
Weekly Amazon search volume, last 63 weeks — +92.8% search growth over the last 90 days.
800600Holiday '24Spike '25Prime Day '25Spike '26 seasonAugSepOctNovDecJanFebMarAprMayJunMayJunJul
Peak months: Aug, Sep, Oct, Nov, Dec · busiest ÷ quietest = 12.8×
[**Open Trend **](https://flapen.com/research/jp/diy/dio/trend)
## **Top ダイオ(dio) products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%¥020%¥030%¥040%¥01001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 4 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**ダイオ 網戸張替用 クラウンネット ２４メッシュ ９１ｃｍｘ６ ｍ グレイ**Dio**¥1146.48**4.3★814 rev](https://www.amazon.co.jp/dp/B002DD851I) [2**ダイオ 防虫網 クラウンネット 24メッシュ 91cm×6m ブラック 120364**Dio**¥1298.60**4.3★814 rev](https://www.amazon.co.jp/dp/B002DD4AOE) [3**ダイオ アルミ網戸 張り替え用品 5点セット ゴム色 ブロンズ/ブラック(長さ約7m×1本)**Dio**¥1032.42**4.2★1,813 rev](https://www.amazon.co.jp/dp/B00UUX1GP0) [4**ダイオ化成 網戸用網押えゴム ４．５ｍｍｘ２０ｍ グレイ**Dio**¥642.43**4.2★2,600 rev](https://www.amazon.co.jp/dp/B0064RFKC6)
### **Newest**
by launch date
[**ダイオ アルミ網戸 張り替え用品 5点セット ゴム色 ブロンズ/ブラック(長さ約7m×1本)**Dio**¥1032.42**1,813 rev11y ago](https://www.amazon.co.jp/dp/B00UUX1GP0) [**ダイオ化成 網戸用網押えゴム ４．５ｍｍｘ２０ｍ グレイ**Dio**¥642.43**2,600 rev14y ago](https://www.amazon.co.jp/dp/B0064RFKC6) [**ダイオ 網戸張替用 クラウンネット ２４メッシュ ９１ｃｍｘ６ ｍ グレイ**Dio**¥1146.48**814 rev17y ago](https://www.amazon.co.jp/dp/B002DD851I) [**ダイオ 防虫網 クラウンネット 24メッシュ 91cm×6m ブラック 120364**Dio**¥1298.60**814 rev17y ago](https://www.amazon.co.jp/dp/B002DD4AOE)
### **Trending**
90-day click momentum
[**ダイオ化成 網戸用網押えゴム ４．５ｍｍｘ２０ｍ グレイ**Dio**¥642.43**4.2★**▲ 29%**](https://www.amazon.co.jp/dp/B0064RFKC6) [**ダイオ 防虫網 クラウンネット 24メッシュ 91cm×6m ブラック 120364**Dio**¥1298.60**4.3★**▲ 20%**](https://www.amazon.co.jp/dp/B002DD4AOE) [**ダイオ 網戸張替用 クラウンネット ２４メッシュ ９１ｃｍｘ６ ｍ グレイ**Dio**¥1146.48**4.3★**— 7%**](https://www.amazon.co.jp/dp/B002DD851I) [**ダイオ アルミ網戸 張り替え用品 5点セット ゴム色 ブロンズ/ブラック(長さ約7m×1本)**Dio**¥1032.42**4.2★**▼ 32%**](https://www.amazon.co.jp/dp/B00UUX1GP0)
## **What buyers say about ダイオ(dio)**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**使用の容易さ**32%
*“慣れると簡単です。”*
**色**13%
*“黒色が良い”*
**使用説明書/ユーザーマニュアル/トラブルシューティング**8%
*“必ず必要です、張り替え方のDVDも付いていて分かりやすく丁寧に説明してくれます”*
**総合品質**8%
*“商品自体は問題ないし”*
**組み立て/インストール**8%
*“必要なものがセットになっていて良かったです。”*
**コストパフォーマンス**8%
*“ホームセンターより安く購入出来て良かったです。”*
**広告と実際の製品の違い**8%
*“思っていた以上の使い勝手”*
**落下/衝撃保護**4%
*“また、梱包につても製品の保護をよく配慮されいました。”*
**形状/スタイル**3%
*“外から見るとかっこいい”*
### **What buyers complain about **
**厚み**40%
*“厚みがあるため、交換作業が大変。”*
**使用の容易さ**20%
*“簡単にできた試しがない。”*
**色**17%
*“外から見ると、黒く見えます。”*
### **Top return reasons **
**厚み**30%
**サイズ全体**30%
**商品の状態**10%
**色**10%
**広告と実際の製品の違い**10%
**水に強い**10%
## **Common questions**
- **Is ダイオ(dio) profitable to sell on Amazon Japan?**
- The niche generates ¥0/yr across 4 tracked products. 90-day search growth is +92.8%. Flapen's verdict: Skip it (33/100).
- **How competitive is the ダイオ(dio) niche?**
- 1 brands and 27 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in ダイオ(dio)?**
- Top complaints mined from reviews: 厚み, 使用の容易さ, 色. The return rate is 0.4%.
- **When does demand for ダイオ(dio) peak?**
- Demand peaks in Aug–Sep–Oct–Nov–Dec; the busiest month runs 12.8× the quietest.
- **What does it cost to enter the ダイオ(dio) niche?**
- Listings span ¥642.43–¥1298.60; the average listing price is ¥1029.98 (sweet spot $15–$100). The average incumbent carries 1,510 reviews — the moat a new listing must climb.
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