O Block Chain
FailShoppers spend an estimated $49K a year here, so O Block Chain is a Fail.
- Flapen Score
- 39 / 100Ranks 12,642 of 16,930 Clothing, Shoes & Jewelry niches · −6 vs the category median of 4539
- Market size
- $49K/yr200K searches / yr
- 90-day growth
- -22.8%search demand this quarter
- Competition
- 58%top-5 click share · 15 brands · 18 sellers
Flapen Score
O Block Chain against its category
The dotted line is the Clothing, Shoes & Jewelry average. Past it, O Block Chain is stronger. Inside it, weaker.
Market
The O Block Chain market on Amazon at a glance
Shoppers on Amazon United States searched for O Block Chain 200K times last year and spent an estimated $49K. The top 5 brands take 80% of clicks. Flapen scores it 39 out of 100, a Fail.
01 · Demand
An estimated 1.0% of those searches ended in a purchase.
Shoppers searched for this 200K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.0% of those searches ended in a purchase. Searches in the last 90 days moved -22.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $49K a year.
- Searches, last 12 months
- 200K
- Growth, 90 days vs prior 90
- -22.8%
- Conversion, latest week
- 1.0%
- Market size, estimated
- $49Ka year
- Peak month
- December1.8× the quietest month
- Top search term
- king von chain49K searches a year
02 · Price
A sale here is worth $24.13.
Listings sell for $24.13 on average, from $9.18 to $104.38. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 100 to 250 of them. At $24.13 that is $2K to $6K a year per listing.
- Average price
- $24.13inside the $15 to $100 sweet spot
- Price range
- $9.18–$104.38
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–2K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $2K–$6K
- Returns
- 5.6%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
60% of listings pay for placement with sponsored ads. 95% ship with Prime. On an average day, 1.3% of listings are out of stock. The average listing ranks #8,401 within Jewelry. It carries 652 reviews at 4.23 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 60%
- Prime listings
- 95%
- Out of stock, average day
- 1.3%
- Average rank
- #8,401in Jewelry
- Average rating
- 4.23 starsAmazon United States average 4.42 stars
- Average reviews
- 652per listing
- Listings tracked
- 20
04 · Newcomers
0 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 41 months on average, so the names here are settling in.
- Launched, last 12 months
- 3
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 41 months
Products
Top O Block Chain products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 12, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Hip-Hop Style Diamond O Block Zircon Letter Pendant Necklace Fashion Jewelry (silver)
- Price
- $24.66
- Rating
- 4.4/5
- Reviews
- 71
- Age
- 1y ago

BQKBX Hip-Hop Style O Block Zircon Letter Pendant Necklace (Silver Pendant)
- Price
- $21.02
- Rating
- 3.3/5
- Reviews
- 6
- Age
- 12mo ago

YOHAX Hip hop necklace alloy all diamond OTF letter pendant necklace Hip hop mens and womens Cuban necklace (23.6inches (60 centimeters) golden)
- Price
- $17.82
- Rating
- 4.2/5
- Reviews
- 33
- Age
- 1y ago

Yonghao Pavilion otf chain Hip hop necklace men gold-plated OTF chain width 9mm women o block chain Rap Cuban Chain Length 23.62 inches (silvery)
- Price
- $19.88
- Rating
- 5.0/5
- Reviews
- 8
- Age
- 1y ago

POKOKORR Hip Hop Diamond OTF Letter Pendant Necklace Cuban Chain Zinc Alloy 20 Inches Silver
- Price
- $16.59
- Rating
- 4.4/5
- Reviews
- 18
- Age
- 11mo ago
Trending
estimated 90-day click momentum
IDRUPACE Miami Mens Cuban Link Chain Silver Gold Plated Bling Cuban Necklace Diamond Chain for Men 13MM iced out chain Hip Hop Jewelry
- Price
- $18.23
- Rating
- 4.3/5
- Reviews
- 616
- Age
- 3y ago

OWNCOOL 2 PCS Cuban Link Chain Cuban Diamond Chain Necklace Bracelet Bling Iced Out Hip Hop Jewelry for Men Women Blue 8 16inch
- Price
- $19.90
- Rating
- 4.1/5
- Reviews
- 44
- Age
- 2y ago

ICEDATA Mens Cuban Link Chain 20MM Cuban Chain Zinc Alloy AAA+ Rhinestone Necklace for Men Hip Hop Chains
- Price
- $22.00
- Rating
- 4.3/5
- Reviews
- 125
- Age
- 4y ago

FEEL STYLE Mens Cuban Link Chain Gold Silver Plated Bling Miami Cuban Necklace Chain for Men 13MM Iced Out Hip Hop Jewelry 18-24inch (Silver 18inch)
- Price
- $12.64
- Rating
- 4.2/5
- Reviews
- 8,839
- Age
- 6y ago

YOHAX Hip hop necklace alloy all OTF chain letter pendant necklace Hip hop mens and womens Cuban necklace (23.62 inches (60 centimeters) silvery)
- Price
- $17.09
- Rating
- 4.2/5
- Reviews
- 33
- Age
- 1y ago
Newest
by launch date
POKOKORR Hip Hop Diamond OTF Letter Pendant Necklace Cuban Chain Zinc Alloy 20 Inches Silver
- Price
- $16.59
- Rating
- 4.4/5
- Reviews
- 18
- Age
- 11mo ago

BQKBX Hip-Hop Style O Block Zircon Letter Pendant Necklace (Silver Pendant)
- Price
- $21.02
- Rating
- 3.3/5
- Reviews
- 6
- Age
- 12mo ago

BQKBX Hip-Hop Style O Block Zircon Letter Pendant Necklace (Gold Pendant)
- Price
- $20.96
- Rating
- 3.3/5
- Reviews
- 6
- Age
- 12mo ago

Yonghao Pavilion otf chain Hip hop necklace men gold-plated OTF chain width 9mm women o block chain Rap Cuban Chain Length 23.62 inches (silvery)
- Price
- $19.88
- Rating
- 5.0/5
- Reviews
- 8
- Age
- 1y ago

Hip-Hop Style Diamond O Block Zircon Letter Pendant Necklace Fashion Jewelry for Men and Women 24inch twist chain (silver)
- Price
- $24.46
- Rating
- 5.0/5
- Reviews
- 7
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 58% of clicks. Leaders hold, but buyers still shop past them.
Brands
15 rising
Sellers
18
Est. top-5 brand share
80%
Top 20: 100%
Est. top-5 click share
58%
Top 20: 100%
Open market
17%
- Generic32%
- Yonghao Pavilion19%
- BQKBX14%
- POKOKORR11%
- IDRUPACE4%
- ICEDATA3%
- Open — no brand owns it (9 brands, 17%)
Demand
O Block Chain search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.8×
Search terms
Top O Block Chain search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- king von chain49K/yr
- o block chain56K/yr
- otf chain27K/yr
- oblock chain24K/yr
- o block chain iced out king von26K/yr
- o block chain king von4K/yr
- o block7K/yr
- oblock chain king von6K/yr
Reviews and returns
What reviews say buyers love and hate about O Block Chain
We read the reviews and the return reasons for every product selling here.
“This broke within a day”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common O Block Chain questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









