op15
Skip itSoft demand (-49.1% this quarter) — this niche doesn't clear our bar today.
Review moat
Incredible85avg incumbent reviews — the moat a new listing must climb
Returns
Great1.0%return rate — above 5% kills the launch gate
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Avg price
Good$123.00avg listing price — sweet spot $15–$100
Price range
Okay$13.63–$279.26cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad1.7%search→purchase rate — share of searches ending in a sale
Competition
Bad83%top-5 click share — a locked-up shelf
Market size
Bad$25K$25K/yr · 12K searches
Growth
Bad-49.1%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, op15 is a $25K/yr Amazon United States market (12K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 32/100.
Data updated Jul 31, 2026 · scored weekly · How we score niches
op15 market data
- Units sold / yr
- 100–250
- avg 0–100/product
- Revenue / yr
- $12K–$31K
- units × avg price
- Conversion rate
- 1.7%
- Avg BSR
- #224
- Page quality
- 0%
- Prime
- 78%
- Sponsored
- 44%
- Out of stock
- 11.1%
- Avg brand age
- 21 months
- Avg seller age
- 166 days
Competition & brand share
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.Brands
5
Sellers
60
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
83%
Top 20: 100%
Open market
0%
- BANDAI39%
- TCG Fabrik26%
- One Piece18%
- OnePieceTCG10%
- Generic7%
- Open — no brand owns it (0%)
Demand
Weekly Amazon search volume, last 10 weeks — -49.1% search growth over the last 90 days.Top op15 search terms
- op155K/yr
- one piece op154K/yr
- op15 booster box3K/yr
Top op15 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 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
OP15 Adventure ON KAMIS Island Booster Box English OP-15 Booster Box Display Factory Sealed for OP15 One Piece Cards English TCG (24 Packs) + Custom TCG Fabrik Don Card
TCG Fabrik$279.264.8★32 rev
![Bandai One Piece Card Game Booster Pack The Adventure of The Island of God [OP-15] (Box) 24 Packs](https://m.media-amazon.com/images/I/41OcfiRJ0sL.jpg)
Bandai One Piece Card Game Booster Pack The Adventure of The Island of God [OP-15] (Box) 24 Packs
BANDAI$113.494.2★324 rev
Box One Piece Card Game OP-15-EB04
One Piece$264.795.0★1 rev
One Piece TCG: Kamis Island Adventure Booster Box
OnePieceTCG$235.585.0★10 rev
One Piece TCG: Double Pack Set Vol. 10 (DP-10) - Adventure of Kamis Island (2 Packs)
BANDAI$37.244.0★16 rev
Newest
by launch date
One Piece TCG: Adventure on Kamis Island Sleeved Booster Pack (OP-15 - EB-04) - 12 Cards
BANDAI$20.817 rev
One Piece TCG: Kamis Island Adventure Booster Box
OnePieceTCG$235.5810 rev
One Piece TCG: Double Pack Set Vol. 10 (DP-10) - Adventure of Kamis Island (2 Packs)
BANDAI$37.2416 rev
One Piece Card Game TCG Adventure on Kamis Island 12-Card Booster Pack - English Edition - OP15-EB04
BANDAI$13.637 rev
OP15 Adventure ON KAMIS Island Booster Box English OP-15 Booster Box Display Factory Sealed for OP15 One Piece Cards English TCG (24 Packs) + Custom TCG Fabrik Don Card
TCG Fabrik$279.2632 rev
Trending
90-day click momentumOne Piece TCG: Kamis Island Adventure Booster Box
OnePieceTCG$235.585.0★
One Piece Anime Merch Manga Jumpsuit One-Piece Pajamas for Teens and Men Warm Cozy Soft Lounge Wear Luffy Gifts for Men(Black XL)
One Piece$31.964.5★
One Piece TCG: Adventure on Kamis Island Sleeved Booster Pack (OP-15 - EB-04) - 12 Cards
BANDAI$20.812.8★
One Piece Card Game TCG Adventure on Kamis Island 12-Card Booster Pack - English Edition - OP15-EB04
BANDAI$13.633.6★
Box One Piece Card Game OP-15-EB04
One Piece$264.795.0★
What buyers say about op15
What buyers praise and complain about, mined from review topics.What buyers love
“Great condition, decent pulls”
“I got exactly what was advertised”
“Its fun”
“Nice cards”
“Well worth the money”
“protected very well”
“it came solid”
“Good quality and nice print”
What buyers complain about
“$19 per pack is insane”
“I believe someone switched out the packs and then re-wrapped them”
“Runs small”
Top return reasons
Common questions
- Is op15 profitable to sell on Amazon United States?
- The niche generates $25K/yr across 9 tracked products. 8 of 8 products launched in the last 360 days are still selling. 90-day search growth is -49.1%. Flapen's verdict: Skip it (32/100).
- How competitive is the op15 niche?
- 5 brands and 60 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in op15?
- Top complaints mined from reviews: Value For Money, Product Condition, Size-Overall. The return rate is 1.0%.
- What does it cost to enter the op15 niche?
- Listings span $13.63–$279.26; the average listing price is $123.00 (sweet spot $15–$100). The average incumbent carries 85 reviews — the moat a new listing must climb.