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.

op16

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Growth

Incredible>1,000%

90-day search growth — must beat 0% to launch

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Review moat

Incredible19.33

avg incumbent reviews — the moat a new listing must climb

Avg price

Good$164.29

avg listing price — sweet spot $15–$100

Quality gap

Good4.4★

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

Bad1.6%

search→purchase rate — share of searches ending in a sale

Market size

Bad$34K

$34K/yr · 13K searches

Competition

Bad98%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

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

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

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

98%

Top 20: 100%

Open market

TCG Fabrik43%
BANDAI31%
Generic26%
Open — no brand owns it (0%)

Top op16 search terms

op165K/yr >1,000%0.8% conv.
one piece op165K/yr >1,000%0.5% conv.
op16 booster box3K/yr >1,000%0.9% conv.

All 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.

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

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$286.514.1★22 rev

Bandai One Piece Card Game Final Battle OP-16 (Box) Pack of 24

BANDAI$134.293.3★50 rev

One Piece Booster Box OP-16 The Time of Battle Factory Sealed Japanese

Generic$131.955.0★11 rev

One Piece Card Game Final Battle OP-16 (Box) Pack of 24

Generic$136.880.0★0 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$279.264.8★32 rev

Newest

by launch date

The Time of Battle - 1 Sleeved Booster Pack OP-16 One Piece (12 Cards) English

BANDAI$16.851 rev

1mo ago

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$286.5122 rev

2mo ago

One Piece Booster Box OP-16 The Time of Battle Factory Sealed Japanese

Generic$131.9511 rev

3mo ago

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

4mo ago

Bandai One Piece Card Game Final Battle OP-16 (Box) Pack of 24

BANDAI$134.2950 rev

4mo ago

What buyers say about op16

What buyers praise and complain about, mined from review topics.

What buyers love

Advertised Vs Actual Product21%

“As advertised”

Collectibles19%

“Good cards”

Value For Money19%

“While package and price is reasonable”

Quality-Overall15%

“Great condition, decent pulls”

Strength6%

“it came solid”

Gifting Purpose6%

“Great purchase with tiny gift inside”

Magnetic Strength/Adsorption6%

“And I really love the little Sanji magnet it's so cute”

What buyers complain about

Value For Money44%

“Only complaint is the price was bit higher then I would like”

Top return reasons

Product Condition75%

Advertised Vs Actual Product25%

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.