---
title: "Oscar the Grouch Costume — $26K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/oscar-the-grouch-costume"
last_updated: "2026-08-11T22:26:16.289Z"
locale: en
meta:
description: "Niche score 36/100 · $26K/yr market · 155K searches/yr · $32.65 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 36/100 · $26K/yr market · 155K searches/yr · $32.65 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Oscar the Grouch Costume — $26K/yr Amazon US Niche (2026) - Flapen"
---
# **oscar the grouch costume**
**Skip it**
High returns (10.9%) — this niche doesn't clear our bar today.
Market size 7Growth 16Conversion 7Competition 74Returns 4Price range 85Avg price 95Brand share 36Review moat 63Quality gap 45
**Avg price**
**Incredible****$32.65**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.40–$106.31**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****40%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Good****996.86**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-17.9%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$26K**
$26K/yr · 155K searches
**Conversion**
**Bad****0.5%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****10.9%**
return rate — above 5% kills the launch gate
**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, oscar the grouch costume is a $26K/yr Amazon United States market (155K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 36/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **oscar the grouch costume market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$49K–$65K**
- units × avg price
- **Conversion rate**
- **0.5%**
- **Avg BSR**
- **#26,468**
- **Page quality**
- **0%**
- **Prime**
- **83%**
- **Sponsored**
- **77%**
- **Out of stock**
- **11.4%**
- **Avg brand age**
- **50 months**
- **Avg seller age**
- **198 days**
## **Competition & brand share**
The top 5 products take 40% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▼falling
**Sellers**
**24**
**Top-5 brand share**
**83%**
Top 20: 100%
**Top-5 click share**
**40%**
Top 20: 86%
**Open market**
**11%**
- INTIMO49% - Popfunk17% - Fun Costumes6% - Disguise Costumes6% - MJC5% - Obavioy5% - Open — no brand owns it (6 brands, 11%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -17.9% search growth over the last 90 days.
25K15KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 75.7×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/oscar-the-grouch-costume/trend)
## **Top oscar the grouch costume search terms**
- **oscar the grouch costume**93K/yr+0.1%0.4% conv. - **oscar the grouch costume adult**39K/yr-58.7%1.1% conv. - **oscar the grouch onesie**10K/yr-35.1%0.6% conv. - **adult oscar the grouch costume**5K/yr+5.8%0.4% conv. - **oscar costume**4K/yr-58.5%0.0% conv. - **oscar the grouch costume kids**5K/yr-10.7%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/oscar-the-grouch-costume/search-terms)
## **Top oscar the grouch costume 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%$1K8%$2K12%$3K16%$4K1101001K 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**Sesame Street Character Adult Union Suit Kigurumi Hooded 1 Piece Pajama Men Women (Oscar The Grouch XX-Small/X-Small)**INTIMO**$48.32**4.4★216 rev](https://www.amazon.com/dp/B0D4G999PS) [2**Sesame Street Character Adult Union Suit Kigurumi Hooded 1 Piece Pajama Men Women (Oscar The Grouch Small/Medium)**INTIMO**$48.06**4.4★216 rev](https://www.amazon.com/dp/B0D4GDZHVH) [3**Sesame Street Oscar The Grouch Adult Wearable Hooded Blanket Sweatshirt (Large/X-Large)**INTIMO**$35.68**4.4★16 rev](https://www.amazon.com/dp/B0FWFLZNPV) [4**Popfunk Sesame Street Oscar Costume Unisex Adult Sublimated T Shirt (Front/Back) X-Large**Popfunk**$25.02**3.8★33 rev](https://www.amazon.com/dp/B09X2FSWG1) [5**Disguise Mens Oscar The Grouch Adult Sized Costumes Green X-Large 42-46 US**Disguise Costumes**$106.31**4.3★105 rev](https://www.amazon.com/dp/B002P94YRY)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Sesame Street Oscar The Grouch Adult Wearable Hooded Blanket Sweatshirt (Large/X-Large)**INTIMO**$35.68**16 rev9mo ago](https://www.amazon.com/dp/B0FWFLZNPV) [**Sesame Street Oscar The Grouch Adult Wearable Hooded Blanket Sweatshirt (Small/Medium)**INTIMO**$37.05**16 rev9mo ago](https://www.amazon.com/dp/B0FWDY6B9K) [**Sesame Street Pajamas Toddler Oscar The Grouch Fleece Zip Front Footless Sleeper (3T) Green**INTIMO**$19.95**13 rev9mo ago](https://www.amazon.com/dp/B0FVXZDKN8) [**Wjkvgnsdm Animal Onesie Funny One-Piece Costume Unisex Cosplay Halloween Christmas Pajamas For Women Men Teen Green M**Wjkvgnsdm**$31.84**5 rev10mo ago](https://www.amazon.com/dp/B0G4K25666) [**Sesame Street Toddlers Character Union Suit Kigurumi Hooded Oscar The Grouch One Piece Footless Fleece Pajama (Oscar 2T)**INTIMO**$23.87**174 rev10mo ago](https://www.amazon.com/dp/B0FNQ7CT39)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**BRIEF INSANITY Mens and Womens Sesame Street Pajamas - Comfy Loose-Fit Ultra-Soft Oscar The Grouch Pajama Pants Grouchy Sleep Bottoms Large**BRIEF INSANITY**$29.41**4.5★**▲ 666%**](https://www.amazon.com/dp/B09VCRYR7B) [**Wjkvgnsdm Animal Onesie Funny One-Piece Costume Unisex Cosplay Halloween Christmas Pajamas For Women Men Teen Green M**Wjkvgnsdm**$31.84**4.7★**▲ 600%**](https://www.amazon.com/dp/B0G4K25666) [**Sesame Street Pajamas Toddler Oscar The Grouch Fleece Zip Front Footless Sleeper (3T) Green**INTIMO**$19.95**3.8★**▲ 552%**](https://www.amazon.com/dp/B0FVXZDKN8) [**Sesame Street Oscar The Grouch Full Face Unisex Adult T Shirt Kelly Green Medium**Popfunk**$17.45**4.7★**▲ 469%**](https://www.amazon.com/dp/B0DD1Z64X4) [**Sesame Street Oscar The Grouch Adult Wearable Hooded Blanket Sweatshirt (Small/Medium)**INTIMO**$37.05**4.4★**▲ 424%**](https://www.amazon.com/dp/B0FWDY6B9K)
**~~View all trending →~~**
## **What buyers say about oscar the grouch costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**23%
*“Great fit”*
**Quality-Overall**18%
*“This Oscar the Grouch wearable hooded blanket sweatshirt delivers excellent quality right out of the box”*
**Warmth**14%
*“warm”*
**Soft Feel**10%
*“The material is soft and comfortable”*
**Comfort-Overall**9%
*“incredibly comfortable”*
**Weight Light**6%
*“not heavy”*
**Fun/Entertainment Experience**4%
*“This is a fun”*
**Design-Overall**3%
*“In terms of style, the Oscar the Grouch design is fun, playful, and instantly recognizable”*
**Material Quality**3%
*“The fleece material feels great”*
**Value For Money**2%
*“Great value for the money”*
### **What buyers complain about **
**Size-Overall**11%
*“She's 2 and a half and it's a bit large”*
**Stain Resistance**8%
*“One small thing to note: it does shed a bit of fuzz”*
**Maneuvering**4%
*“The reason for 4 stars is that its kind of hard to maneuver on”*
**Value For Money**4%
*“I think its a tad overpriced for what it is”*
**Stretchability/Expandability/Elasticity**4%
*“theres no stretch to it at all”*
### **Top return reasons **
**Size-Overall**54%
**Length**17%
**Chest Fit**5%
**Material Quality**4%
**Waist Fit**3%
**Value For Money**2%
**Sleeve Fit**2%
**Product Condition**2%
**Quality-Overall**2%
**Advertised Vs Actual Product**2%
## **Common questions**
- **Is oscar the grouch costume profitable to sell on Amazon United States?**
- The niche generates $26K/yr across 35 tracked products. 0 of 9 products launched in the last 360 days are still selling. 90-day search growth is -17.9%. Flapen's verdict: Skip it (36/100).
- **How competitive is the oscar the grouch costume niche?**
- 12 brands and 24 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 83% of demand.
- **What do buyers complain about in oscar the grouch costume?**
- Top complaints mined from reviews: Size-Overall, Stain Resistance, Maneuvering. The return rate is 10.9% — above our launch gate.
- **When does demand for oscar the grouch costume peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 75.7× the quietest.
- **What does it cost to enter the oscar the grouch costume niche?**
- Listings span $9.40–$106.31; the average listing price is $32.65 (sweet spot $15–$100). The average incumbent carries 997 reviews — the moat a new listing must climb.
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