---
title: "Half Circle Window Shade — $101K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/half-circle-window-shade"
last_updated: "2026-08-10T02:02:51.970Z"
locale: en
meta:
description: "Niche score 50/100 · $101K/yr market · 339K searches/yr · $25.08 avg price. Weak search conversion (1.2%) keeps it on the watch list. Data updated Aug 2026."
"og:description": "Niche score 50/100 · $101K/yr market · 339K searches/yr · $25.08 avg price. Weak search conversion (1.2%) keeps it on the watch list. Data updated Aug 2026."
"og:title": "Half Circle Window Shade — $101K/yr Amazon US Niche (2026) - Flapen"
---
# **half circle window shade**
**Worth a look**
Shows a sweet-spot price point ($25.08 avg), but weak search conversion (1.2%) keeps it on the watch list.
Market size 25Growth 66Conversion 15Competition 61Returns 21Price range 89Avg price 95Brand share 36Review moat 70Quality gap 78
**Avg price**
**Incredible****$25.08**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$13.16–$39.00**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****683.93**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Good****+46.3%**
90-day search growth — must beat 0% to launch
**Competition**
**Good****49%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****84%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$101K**
$101K/yr · 339K searches
**Returns**
**Bad****6.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****1.2%**
search→purchase rate — share of searches ending in a sale
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, half circle window shade is a $101K/yr Amazon United States market (339K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 50/100.
Data updated Aug 3, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **half circle window shade market data**
- **Units sold / yr**
- **4K–5K**
- avg 100–250/product
- **Revenue / yr**
- **$100K–$125K**
- units × avg price
- **Conversion rate**
- **1.2%**
- **Avg BSR**
- **#51**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **93%**
- **Out of stock**
- **13.9%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **196 days**
## **Competition & brand share**
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**13 **▼falling
**Sellers**
**19**
**Top-5 brand share**
**84%**
Top 20: 100%
**Top-5 click share**
**49%**
Top 20: 94%
**Open market**
**12%**
- MYshade45% - Changshade15% - Maritown13% - Sulugood6% - Jlong4% - Touri4% - Open — no brand owns it (7 brands, 12%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +46.3% search growth over the last 90 days.
10K6KSpike '25Prime Day '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jun, Jul · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/half-circle-window-shade/trend)
## **Top half circle window shade search terms**
- **arch window shade**59K/yr+41.8%1.0% conv. - **half circle window shade**52K/yr+43.6%1.2% conv. - **half moon window shade**45K/yr+51.7%1.3% conv. - **arch window shade blackout**29K/yr+59.4%1.3% conv. - **arched window shade**23K/yr+25.3%0.8% conv. - **half moon window shade blackout**13K/yr+125.7%1.3% conv. - **arch window shades half circle**12K/yr+81.8%1.2% conv. - **half circle window shade blackout**10K/yr+92.3%1.6% conv. - **round window shade**11K/yr+44.9%0.5% conv. - **semi circle window shade**10K/yr+35.1%1.1% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/half-circle-window-shade/search-terms)
## **Top half circle window shade 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%4%$4K8%$8K12%$12K16%$16K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Myshade Arch Window Shades Half Circle Blackout Cellular Shades Cordless No Drill Blinds for Windows Half Moon Honeycomb Fabric No Tools Room Darkening Shades Easy Install (1PCS White 72 W X 36 H)**MYshade**$34.43**4.3★431 rev](https://www.amazon.com/dp/B0CWK449TR) [2**Myshade Arch Window Shades Half Circle Blackout Cellular Shades Cordless No Drill Blinds for Windows Half Moon Honeycomb Fabric No Tools Room Darkening Shades Easy Install (1PCS White 24 W X 12 H)**MYshade**$15.05**4.3★431 rev](https://www.amazon.com/dp/B0FSD9PFLB) [3**Arch Window Shade Blackout Cellular Shades Half Moon Circle No Drill Blinds**Maritown**$17.74**4.1★272 rev](https://www.amazon.com/dp/B0DD6RPCSR) [4**Changshade Arch Window Shades Blackout Half Moon(Radius: 24) Blackout Pleated Window Shades Half Circle No Drill Cellular Shades for Windows Easy Cut and Install**Changshade**$28.65**4.4★251 rev](https://www.amazon.com/dp/B0DM4V6D9J) [5**Myshade Arch Window Shades Half Circle Blackout Cellular Shades Cordless No Drill Blinds for Windows Half Moon Honeycomb Fabric No Tools Room Darkening Shades Easy Install (1PCS Black 24 W X 12 H)**MYshade**$15.27**4.1★178 rev](https://www.amazon.com/dp/B0FSD9LFTW)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**HOMEDEMO Arch Window Shade Blackout No Drill Black48 X 24**HOMEDEMO**$25.10**5 rev6mo ago](https://www.amazon.com/dp/B0GKFFL5F7) [**Myshade Arch Window Shades Half Circle Blackout Cellular Shades Cordless No Drill Blinds for Windows Half Moon Honeycomb Fabric No Tools Room Darkening Shades Easy Install (1PCS White 24 W X 12 H)**MYshade**$15.05**431 rev10mo ago](https://www.amazon.com/dp/B0FSD9PFLB) [**Myshade Arch Window Shades Half Circle Blackout Cellular Shades Cordless No Drill Blinds for Windows Half Moon Honeycomb Fabric No Tools Room Darkening Shades Easy Install (1PCS Black 24 W X 12 H)**MYshade**$15.27**178 rev10mo ago](https://www.amazon.com/dp/B0FSD9LFTW) [**Myshade Arch Window Shades Half Circle Blackout Cellular Shades Cordless No Drill Blinds for Windows Half Moon Honeycomb Fabric No Tools Room Darkening Shades Easy Install (1PCS White 36 W X 18 H)**MYshade**$17.77**431 rev10mo ago](https://www.amazon.com/dp/B0FSDBQZHM) [**Myshade Arch Window Shades Half Circle Light Filtering Cellular Shades Cordless No Drill Blinds for Windows Half Moon Honeycomb Fabric No Tools Shades Easy Install (1PCS White 24 W X 12 H)**MYshade**$14.98**88 rev10mo ago](https://www.amazon.com/dp/B0FSDDN5XX)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**HESTIA No-Drill Arch Window Cellular Shades for Bedroom Grey 24L x 48W**HESTIA**$35.70**4.4★**▲ 156%**](https://www.amazon.com/dp/B0FHPWM4G7) [**Sulugood Arch Window Shades Blackout Half Circle Cordless Cellular Shades No Drill Half Moon Honeycomb Blinds for Indoor Window Thermal Insulation Noise Reduction Blackout-White 48 W x 24 H**Sulugood**$35.33**4.2★**▲ 144%**](https://www.amazon.com/dp/B0FCM3YFMY) [**HOMEDEMO Arch Window Shade Blackout No Drill Black48 X 24**HOMEDEMO**$25.10**4.8★**▲ 129%**](https://www.amazon.com/dp/B0GKFFL5F7) [**Myshade Arch Window Shades Half Circle Blackout Cellular Shades Cordless No Drill Blinds for Windows Half Moon Honeycomb Fabric No Tools Room Darkening Shades Easy Install (2PCS Black 24 W X 12 H)**MYshade**$17.78**4.1★**▲ 126%**](https://www.amazon.com/dp/B0FSD82DYB) [**Myshade Arch Window Shades Half Circle Blackout Cellular Shades Cordless No Drill Blinds for Windows Half Moon Honeycomb Fabric No Tools Room Darkening Shades Easy Install (1PCS White 24 W X 12 H)**MYshade**$15.05**4.3★**▲ 106%**](https://www.amazon.com/dp/B0FSD9PFLB)
**~~View all trending →~~**
## **What buyers say about half circle window shade**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**24%
*“Easy assembly and looks great”*
**Quality-Overall**16%
*“Excellent product”*
**Size-Overall**8%
*“Fit good”*
**Advertised Vs Actual Product**8%
*“Exactly what I needed”*
**Value For Money**5%
*“Worth the Money”*
**Ease Of Use**4%
*“Efficient”*
**Brightness/Shine/Glow**4%
*“It filtered light nicely”*
**Design-Overall**4%
*“Superb design”*
**Efficiency**4%
*“Effective”*
**Material Quality**3%
*“The material is very good”*
### **What buyers complain about **
**Adhesion/Stickiness**16%
*“that has failed to adhere”*
**Assembly/Installation**10%
*“A little tricky to install”*
**Value For Money**9%
*“Basically a waste of my money x 3”*
**Quality-Overall**8%
*“Its definitely lower quality”*
**Instructions/User Manual/Troubleshooting**6%
*“lacks detail instructions”*
**Strength**6%
*“a little flimsy”*
**Design-Overall**4%
*“Poor adhesive design”*
**Functionality-Overall**4%
*“Didnt really work you get what you paid for”*
**Size-Overall**4%
*“Did not even fit as described”*
**Color**3%
*“Color is not what we expected”*
### **Top return reasons **
**Size-Overall**57%
**Advertised Vs Actual Product**6%
**Color**6%
**Material Quality**5%
**Defective Material/Parts**4%
**Functionality-Overall**3%
**Adhesion/Stickiness**3%
**Compatibility-Overall**3%
**Assembly/Installation**2%
**Quality-Overall**2%
## **Common questions**
- **Is half circle window shade profitable to sell on Amazon United States?**
- The niche generates $101K/yr across 27 tracked products. 1 of 8 products launched in the last 360 days are still selling. 90-day search growth is +46.3%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the half circle window shade niche?**
- 13 brands and 19 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 84% of demand.
- **What do buyers complain about in half circle window shade?**
- Top complaints mined from reviews: Adhesion/Stickiness, Assembly/Installation, Value For Money. The return rate is 6.1% — above our launch gate.
- **When does demand for half circle window shade peak?**
- Demand peaks in Jun–Jul; the busiest month runs 2.0× the quietest.
- **What does it cost to enter the half circle window shade niche?**
- Listings span $13.16–$39.00; the average listing price is $25.08 (sweet spot $15–$100). The average incumbent carries 684 reviews — the moat a new listing must climb.
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