big sister sweater
Skip itSoft demand (-84.7% this quarter) — this niche doesn't clear our bar today.
Avg price
Great$19.21avg listing price — sweet spot $15–$100
Competition
Great35%top-5 click share — an open shelf
Price range
Great$8.05–$35.70cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good526.29avg incumbent reviews — the moat a new listing must climb
Brand share
Good74%top-5 brand share — brands hold most of the demand
Returns
Okay3.8%return rate — above 5% kills the launch gate
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Conversion
Bad1.0%search→purchase rate — share of searches ending in a sale
Market size
Bad$43K$43K/yr · 228K searches
Growth
Bad-84.7%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, big sister sweater is a $43K/yr Amazon United States market (228K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Jan–Feb–Oct–Nov–Dec. Verdict: Skip it — 38/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
big sister sweater market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $29K–$38K
- units × avg price
- Conversion rate
- 1.0%
- Avg BSR
- #259
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 84%
- Out of stock
- 9.9%
- Avg brand age
- 25 months
- Avg seller age
- 212 days
Competition & brand share
Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.Brands
16 falling
Sellers
19
Top-5 brand share
74%
Top 20: 100%
Top-5 click share
35%
Top 20: 69%
Open market
16%
- Amnnchya23%
- Ayalinggo15%
- VISGOGO13%
- Afunbaby12%
- GOOCHEER11%
- Scloutarry10%
- Open — no brand owns it (10 brands, 16%)
Demand & seasonality
Weekly Amazon search volume, last 83 weeks — -84.7% search growth over the last 90 days.Peak months: Jan, Feb, Oct, Nov, Dec · busiest ÷ quietest = 13.9×
Top big sister sweater search terms
- big sister sweater125K/yr
- big sister sweatshirt40K/yr
- big sis sweater24K/yr
- big sister sweater toddler9K/yr
- big sis sweatshirt8K/yr
- big sister sweater for girls11K/yr
- big sister sweatshirt toddler8K/yr
- big sister sweatshirt for girls4K/yr
Top big sister sweater 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
VISGOGO Big Sister Matching Set Baby Girls Knitted Sweater Embroidery Toddler Long Sleeve Clothes (Beige-Big Sis 2-3 Years)
VISGOGO$20.924.8★266 rev
Scloutarry Sibling Matching Clothes Big Sister/Big Brother Sweater Knit Sweatshirt Letter Embroidery Shirt Winter Clothes (Pink 12-18 Months)
Scloutarry$19.744.0★12 rev
Amnnchya Toddler Infant Baby Girl Knit Sweater Big Sister Little Sister Matching Outfits Long Sleeve Pullover Sweatshirt (Pink 12-18 Months)
Amnnchya$22.874.8★301 rev
Amnnchya Toddler Infant Baby Girl Knit Sweater Big Sister Little Sister Matching Outfits Long Sleeve Pullover Sweatshirt (Pink 4 Years)
Amnnchya$22.764.8★301 rev
Amnnchya Toddler Infant Baby Girl Knit Sweater Big Sister Little Sister Matching Outfits Long Sleeve Pullover Sweatshirt (Pink 3 Years)
Amnnchya$22.314.8★301 rev
Newest
by launch dateScloutarry Sibling Matching Clothes Big Sister/Big Brother Sweater Knit Sweatshirt Letter Embroidery Shirt Winter Clothes (Pink 12-18 Months)
Scloutarry$19.7412 rev
GOOCHEER Big Sister Little Sister Matching Outfit Newborn Baby Girl Long Sleeve Romper Toddler Girl Sweatshirt Pullover Top (Beige-Big Sister 4-5T)
GOOCHEER$13.1915 rev
GOOCHEER Big Sister Little Sister Matching Outfit Newborn Baby Girl Long Sleeve Romper Toddler Girl Pullover Sweatshirt Tops (Pink-Big Sister 18-24 Months)
GOOCHEER$14.9441 rev
GOOCHEER Big Sister Little Sister Matching Outfit Newborn Baby Girl Long Sleeve Romper Toddler Girl Pullover Sweatshirt Tops (Pink-Big Sister 3-4 Years)
GOOCHEER$14.8641 rev
GOOCHEER Big Sister Little Sister Matching Outfit Newborn Baby Girl Long Sleeve Romper Toddler Girl Pullover Sweatshirt Top (Pink Sweatshirt 2-3T)
GOOCHEER$14.9081 rev
Trending
90-day click momentum
Afunbaby Baby Girl Boy Knit Sweater Blouse Pullover Sweatshirt Warm Crewneck Long Sleeve Tops for Infant Toddler (Big Sister Cream Sweater 12-18 Months)
Afunbaby$22.134.7★
Amnnchya Toddler Infant Baby Girl Knit Sweater Big Sister Little Sister Matching Outfits Long Sleeve Pullover Sweatshirt (Beige 18-24 Months)
Amnnchya$21.324.8★
Amnnchya Toddler Infant Baby Girl Knit Sweater Big Sister Little Sister Matching Outfits Long Sleeve Pullover Sweatshirt (Beige Bow Outfit 3-4 Years)
Amnnchya$20.264.8★
Scloutarry Sibling Matching Clothes Big Sister/Big Brother Sweater Knit Sweatshirt Letter Embroidery Shirt Winter Clothes (Pink 12-18 Months)
Scloutarry$19.744.0★
Ayalinggo Toddler Baby Girl Boy Matching Clothes Big/Lil Sis/Bor Crewneck Sweatshirt Romper Onesie Sister Brother Outfits (Beige BIG SIS 18-24 Months)
Ayalinggo$14.564.5★
What buyers say about big sister sweater
What buyers praise and complain about, mined from review topics.What buyers love
“Very well made”
“Perfect gift”
“Cute for any big sis”
“CUTE AND SOFT”
“hold up wash after wash”
“Its worth the money”
“Very cute and durable”
“Elastic band”
“light weight sweatshirt”
“Great quality, good stitching, soft, light weight sweatshirt”
What buyers complain about
“Slightly oversized fit”
“Made kind of cheap”
“Fabric was weird. not cotton”
“Broke within 5 minutes”
“Bracelet was misspelled”
“the material on the inside is kind of itchy and cheap and its not true to size it runs smaller”
“Its a stretchy material long sleeved t-shirt”
“Thinner than I expected”
“Inside isnt very soft is the only reason I removed a star”
Top return reasons
Common questions
- Is big sister sweater profitable to sell on Amazon United States?
- The niche generates $43K/yr across 51 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is -84.7%. Flapen's verdict: Skip it (38/100).
- How competitive is the big sister sweater niche?
- 16 brands and 19 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 74% of demand.
- What do buyers complain about in big sister sweater?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Material Quality. The return rate is 3.8%.
- When does demand for big sister sweater peak?
- Demand peaks in Jan–Feb–Oct–Nov–Dec; the busiest month runs 13.9× the quietest.
- What does it cost to enter the big sister sweater niche?
- Listings span $8.05–$35.70; the average listing price is $19.21 (sweet spot $15–$100). The average incumbent carries 526 reviews — the moat a new listing must climb.