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Uniball Zento Signature

brand-locked demand (top 5 brands take 100% of clicks) — Uniball Zento Signature doesn't clear our bar today.

Flapen Score

34
Skip it

Top 34% of 33 Office Products niches · +1 vs the category median of 33

Market size 3Growth 9Conversion 25Competition 20Returns 100Price range 90Avg price 95Brand share 0Review moat 87Quality gap 35
This niche Category average · 33 niches

Is Uniball Zento Signature profitable on Amazon?

According to Flapen's Amazon Singapore niche tracking, Uniball Zento Signature is a $11K/yr Amazon Singapore market (13K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 34/100.

Uniball Zento Signature: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -33.0% over the last 90 days and 2.0% of searches end in a purchase.

$11K

revenue / yr

Units sold / yr100
Search volume / yr-33.0%13K
Conversion rate2.0%
Avg price$45.44

Who owns the niche?

The top 5 brands hold 100% of demand, so 0% of the market is open.

0%

open market share

Brands · sellers3 · 11
Top-5 product click share76%
Open market0%
Avg brand age106 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 11 products

Sponsored placement0%
New entrants (1y)1· 0 succeeded
Avg rating4.5★
Avg reviews260

Top Uniball Zento Signature products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.

$0$1K$2K$3K$5K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

Brands

3 flat

Sellers

11

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

76%

Top 20: 100%

Open market

0%

  • 三菱鉛筆76%
  • Uni-Ball15%
  • Uniball ZENTO9%
  • Open — no brand owns it (0%)

Uniball Zento Signature demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume13KCVR2.0%Products11Brands3Top 5 Brands100%OOS Rate0.0%Rating4.5★Reviews260Avg BSR#64
500300Spike '25Black Friday '25Holiday '25Spike '26Sep '25Oct '25Dec '25Feb '26Mar '26May '26Jun '26

Common Uniball Zento Signature questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Uniball Zento Signature 34/100 on Amazon Singapore — Skip it. The niche generates $11K/yr across 11 tracked products. 0 of 1 products launched in the last 360 days are still selling. Search demand moved -33.0% over the last 90 days.
Uniball Zento Signature sells for $45.44 on average on Amazon Singapore, inside our $15–$100 sweet spot. Listings span $9.11–$97.22. The average incumbent carries 260 reviews — the moat a new listing must climb.