B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
22.5%
22.5% -- positive review rating for Amazon Liquid Ink Rollerball Pens category (2026)
The Amazon Liquid Ink Rollerball Pens category currently has a 22.5% positive rating.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
22.5%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
AmzChart
Primary
Tier B
https://amzchart.com/product-research/liquid-ink-rollerball-pens-1069830 ↗
Source Article
"Liquid Ink Rollerball Pens" in "Rollerball Pens" Market & Product Research on Amazon
Original Research
AmzChart
· Original study ↗
Methodology
AmzChart Amazon category scrape
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Amazon Liquid Ink Rollerball Pens category: 22.5% positive review rating. Source: AmzChart (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/liquid-ink-rollerball-pens-positive-rating-2026
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<blockquote cite="https://lighthousedata.io/data/liquid-ink-rollerball-pens-positive-rating-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>22.5%</strong> -- positive review rating for Amazon Liquid Ink Rollerball Pens category<br><small>Source: AmzChart (2026) · <a href="https://lighthousedata.io/data/liquid-ink-rollerball-pens-positive-rating-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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