MARKUPINDEX.COM · IDIOT INDEX REPORT
Uni-ball Signo UM-153 Broad
Uni-ball · Stationery / Pens
CANONICAL STAT
The estimated idiot index of the Uni-ball Uni-ball Signo UM-153 Broad is 5.7x — it retails for $3.99 while its raw materials cost approximately $0.7.
Stable URL: https://markupindex.com/p/s720
Retail price
$3.99
Raw materials
$0.7
All-in cost (materials + labor + shipping)
$1.4
5.7x
idiot index (price ÷ materials)
2.9x
vs all-in cost
18%
materials share of price
Cost figures are estimates derived from public teardown analyses, bill-of-materials reports, and industry rules of thumb — not audited manufacturer costs. Indexes are directional indicators, not statements of fact about any company's margins. Read the methodology and disclaimers.