---
title: "Op16 — $34K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/toys-games/op16"
last_updated: "2026-08-08T13:39:45.224Z"
locale: en
meta:
description: "Niche score 43/100 · $34K/yr market · 13K searches/yr · $164.29 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · $34K/yr market · 13K searches/yr · $164.29 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Op16 — $34K/yr Amazon US Niche (2026) - Flapen"
---
# **op16**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 8Growth 100Conversion 20Competition 2Returns 100Price range 31Avg price 54Brand share 0Review moat 99Quality gap 52
**Growth**
**Incredible****>1,000%**
90-day search growth — must beat 0% to launch
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Review moat**
**Incredible****19.33**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****$164.29**
avg listing price — sweet spot $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Price range**
**Okay****$16.85–$286.51**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Bad****1.6%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$34K**
$34K/yr · 13K searches
**Competition**
**Bad****98%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, op16 is a $34K/yr Amazon United States market (13K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 43/100.
Data updated Jul 31, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **op16 market data**
- **Units sold / yr**
- **100–250**
- avg 0–100/product
- **Revenue / yr**
- **$16K–$41K**
- units × avg price
- **Conversion rate**
- **1.6%**
- **Avg BSR**
- **#1,032**
- **Page quality**
- **0%**
- **Prime**
- **67%**
- **Sponsored**
- **0%**
- **Out of stock**
- **30.8%**
- **Avg brand age**
- **22 months**
- **Avg seller age**
- **166 days**
## **Competition & brand share**
The top 5 products capture 98% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **
**Sellers**
**29**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**98%**
Top 20: 100%
**Open market**
**0%**
- TCG Fabrik43% - BANDAI31% - Generic26% - Open — no brand owns it (0%)
## **Top op16 search terms**
- **op16**5K/yr>1,000%0.8% conv. - **one piece op16**5K/yr>1,000%0.5% conv. - **op16 booster box**3K/yr>1,000%0.9% conv. [**All search terms **](https://flapen.com/research/us/toys-games/op16/search-terms)
## **Top op16 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%15%$5K30%$10K45%$15K60%$20K110100 Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 6 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**OP16 The Time of Battle Booster Box English OP-16 Booster Box Display Factory Sealed for OP16 Paramount War Theme One Piece Cards English TCG (24 Packs) + Custom TCG Fabrik Don Card**TCG Fabrik**$286.51**4.1★22 rev](https://www.amazon.com/dp/B0H2X1JGK5) [2**Bandai One Piece Card Game Final Battle OP-16 (Box) Pack of 24**BANDAI**$134.29**3.3★50 rev](https://www.amazon.com/dp/B0GN5JV7JS) [3**One Piece Booster Box OP-16 The Time of Battle Factory Sealed Japanese**Generic**$131.95**5.0★11 rev](https://www.amazon.com/dp/B0GWSYWQWJ) [4**One Piece Card Game Final Battle OP-16 (Box) Pack of 24**Generic**$136.88**0.0★0 rev](https://www.amazon.com/dp/B0H2GKLT55) [5**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**$279.26**4.8★32 rev](https://www.amazon.com/dp/B0GV7VF1PX)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**The Time of Battle - 1 Sleeved Booster Pack OP-16 One Piece (12 Cards) English**BANDAI**$16.85**1 rev1mo ago](https://www.amazon.com/dp/B0H6CBNPT7) [**OP16 The Time of Battle Booster Box English OP-16 Booster Box Display Factory Sealed for OP16 Paramount War Theme One Piece Cards English TCG (24 Packs) + Custom TCG Fabrik Don Card**TCG Fabrik**$286.51**22 rev2mo ago](https://www.amazon.com/dp/B0H2X1JGK5) [**One Piece Booster Box OP-16 The Time of Battle Factory Sealed Japanese**Generic**$131.95**11 rev3mo ago](https://www.amazon.com/dp/B0GWSYWQWJ) [**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**$279.26**32 rev4mo ago](https://www.amazon.com/dp/B0GV7VF1PX) [**Bandai One Piece Card Game Final Battle OP-16 (Box) Pack of 24**BANDAI**$134.29**50 rev4mo ago](https://www.amazon.com/dp/B0GN5JV7JS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Bandai One Piece Card Game Final Battle OP-16 (Box) Pack of 24**BANDAI**$134.29**3.3★**— 2%**](https://www.amazon.com/dp/B0GN5JV7JS) [**OP16 The Time of Battle Booster Box English OP-16 Booster Box Display Factory Sealed for OP16 Paramount War Theme One Piece Cards English TCG (24 Packs) + Custom TCG Fabrik Don Card**TCG Fabrik**$286.51**4.1★**— 2%**](https://www.amazon.com/dp/B0H2X1JGK5) [**One Piece Card Game Final Battle OP-16 (Box) Pack of 24**Generic**$136.88**0.0★**— 2%**](https://www.amazon.com/dp/B0H2GKLT55) [**The Time of Battle - 1 Sleeved Booster Pack OP-16 One Piece (12 Cards) English**BANDAI**$16.85**5.0★**— 2%**](https://www.amazon.com/dp/B0H6CBNPT7) [**One Piece Booster Box OP-16 The Time of Battle Factory Sealed Japanese**Generic**$131.95**5.0★**— 6%**](https://www.amazon.com/dp/B0GWSYWQWJ)
**~~View all trending →~~**
## **What buyers say about op16**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**21%
*“As advertised”*
**Collectibles**19%
*“Good cards”*
**Value For Money**19%
*“While package and price is reasonable”*
**Quality-Overall**15%
*“Great condition, decent pulls”*
**Strength**6%
*“it came solid”*
**Gifting Purpose**6%
*“Great purchase with tiny gift inside”*
**Magnetic Strength/Adsorption**6%
*“And I really love the little Sanji magnet it's so cute”*
### **What buyers complain about **
**Value For Money**44%
*“Only complaint is the price was bit higher then I would like”*
### **Top return reasons **
**Product Condition**75%
**Advertised Vs Actual Product**25%
## **Common questions**
- **Is op16 profitable to sell on Amazon United States?**
- The niche generates $34K/yr across 6 tracked products. 5 of 6 products launched in the last 360 days are still selling. 90-day search growth is >1,000%. Flapen's verdict: Skip it (43/100).
- **How competitive is the op16 niche?**
- 3 brands and 29 sellers compete. The top 5 products take 98% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in op16?**
- Top complaints mined from reviews: Value For Money. The return rate is 0.0%.
- **What does it cost to enter the op16 niche?**
- Listings span $16.85–$286.51; the average listing price is $164.29 (sweet spot $15–$100). The average incumbent carries 19 reviews — the moat a new listing must climb.
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