Grunkle Stan
Skip itA small market ($4K/yr) — this niche doesn't clear our bar today.
Avg price
Great$21.67avg listing price — sweet spot $15–$100
Price range
Great$8.30–$64.70cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great370.29avg incumbent reviews — the moat a new listing must climb
Growth
Good+21.4%90-day search growth — must beat 0% to launch
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Competition
Okay66%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Returns
Bad5.6%return rate — above 5% kills the launch gate
Conversion
Bad1.5%search→purchase rate — share of searches ending in a sale
Market size
Bad$4K$4K/yr · 13K searches
Is grunkle stan profitable on Amazon?
According to Flapen's Amazon United States niche tracking, grunkle stan is a $4K/yr Amazon United States market (13K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 37/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
grunkle stan market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- $16K–$22K
- units × avg price
- Conversion rate
- 1.5%
- Avg BSR
- #26,702
- Page quality
- 0%
- Prime
- 88%
- Sponsored
- 53%
- Out of stock
- 10.1%
- Avg brand age
- 52 months
- Avg seller age
- 177 days
Competition: brands, sellers & click share
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.Brands
13 rising
Sellers
22
Top-5 brand share
76%
Top 20: 100%
Top-5 click share
66%
Top 20: 100%
Open market
20%
- Disney35%
- Gravity falls19%
- Maiteenly9%
- grinderPUNCH7%
- HLENOK6%
- EIKOU5%
grunkle stan demand & seasonality
Weekly Amazon search volume, last 89 weeks — +21.4% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 14.5×
Top grunkle stan search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- grunkle stan costume7K/yr
- grunkle stan hat3K/yr
- grunkle stan3K/yr
Top grunkle stan products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Disney Gravity Falls Grunkle Stan Fez Logo Disney Channel Adjustable Printed Baseball Hat Red
Disney$19.730.0★0 rev
Gravity Falls - Grunkle Stan Fez
Gravity falls$34.834.7★326 rev
Disney Gravity Falls Grunkle Stan Fez Logo Disney Channel Trucker Hat with Adjustable Mesh Back Red
Disney$20.980.0★0 rev
Maiteenly 8 Pcs Halloween Old Man Costumes Accessories for Man Red Fez Hat Gray Beard Eyebrow Giant Fake Ears Black Thick Glasses Long Silk Bow Tie Grandpa Accessories for Halloween Cosplay Party
Maiteenly$13.094.2★24 rev
HLENOK Adult Men Grunkle Stan Costume 7 in 1 Halloween Cosplay Shirt Jacket Blazer Pants Hat Fake Ears Mustache Eyebrow Tie Outfit (X-Large)
HLENOK$64.705.0★1 rev
Newest
by launch dateDisney Gravity Falls Grunkle Stan Fez Logo Disney Channel Adjustable Printed Baseball Hat Red
Disney$19.730 rev
Disney Gravity Falls Grunkle Stan Fez Logo Disney Channel Trucker Hat with Adjustable Mesh Back Red
Disney$20.980 rev
Disney Gravity Falls Grunkle Stan Fez Logo Disney Channel Trucker Hat with Adjustable Mesh Back Red
Disney$19.980 rev
Croknit 5 Pcs Halloween Old Uncle Costume Accessories Red Fez Hat Gray Beard Eyebrow Stickers Glasses Long Bow Tie for Man Halloween Party Cosplay Dress up
Croknit$15.110 rev
HLENOK Adult Men Grunkle Stan Costume 7 in 1 Halloween Cosplay Shirt Jacket Blazer Pants Hat Fake Ears Mustache Eyebrow Tie Outfit (X-Large)
HLENOK$64.701 rev
Trending
90-day click momentumDisney Gravity Falls Grunkle Stan Fez Logo Disney Channel Adjustable Printed Baseball Hat Red
Disney$19.730.0★
Rainbow Star Pink Pines Cartoon Cosplay Sweater Full Knitted Halloween Costume
Costume Agent$42.964.8★
Adventure Time Mens Finn Character Hat White One Size
Adventure Time$19.114.5★
Disney Gravity Falls Grunkle Stan Fez Logo Disney Channel Trucker Hat with Adjustable Mesh Back Red
Disney$20.980.0★
EIKOU Gravity Falls Meshback Hat Blue Dippers Hat Pine Embroidered Baseball Cap with Mystery Pendant Adjustable Costume Hat for Teens and Adults Halloween Party
EIKOU$16.904.5★
What reviews say buyers love and hate about grunkle stan
What buyers praise and complain about, mined from review topics.What buyers love
“Super comfy, nice and cozy, lots of compliments about it's authenticity”
“Inexpensive”
“Tal como lo esperaba”
“Super soft, proper attachments, and matching ears”
“Good quality”
“Very nice material”
What buyers complain about
“Hat is very flimsy”
“FYI- Runs a bit big”
“The fabric is a little delicate”
Top return reasons
Common grunkle stan questions
- Is grunkle stan profitable to sell on Amazon United States?
- The niche generates $4K/yr across 17 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is +21.4%. Flapen's verdict: Skip it (37/100).
- How competitive is the grunkle stan niche?
- 13 brands and 22 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 76% of demand.
- What do buyers complain about in grunkle stan?
- Top complaints mined from reviews: Strength, Size-Overall, Material Quality. The return rate is 5.6% — above our launch gate.
- When does demand for grunkle stan peak?
- Demand peaks in Sep–Oct–Nov; the busiest month runs 14.5× the quietest.
- What does it cost to enter the grunkle stan niche?
- Listings span $8.30–$64.70; the average listing price is $21.67 (sweet spot $15–$100). The average incumbent carries 370 reviews — the moat a new listing must climb.