B
Evidence Grade B
Graded
under review
Safe to Cite
Current
84%
84% -- retail media spend share for Walmart and Amazon (US retail media spend) (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
84%
Unit
Percentage
Data Vintage
2026
Entity
Geography
US
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
viciousmarketing.net
Primary
Tier C
https://www.viciousmarketing.net/post/programmatic-advertising-for-retailers ↗
Source Article
Programmatic Advertising for Retailers: Boost E-Commerce ROI
Programmatic Advertising for Retailers: A Game-Changer for E‑Commerce ROI
Updated: Mar 12
Introduction: The Evolving Landscape of E-Commerce Advertising
The online advertising environment has changed radically, and it has both created unmatched opportunities and complicated challenges to retailers o…
Original Research
viciousmarketing.net
· Original study ↗
Methodology
Combined share of all US retail media spend; stated in article's 2026 outlook section
Methodology documented
Segmentation
IndustryRetail
RegionUS
Channelmulti-channel
Cite this stat
Plain Text
Walmart and Amazon (US retail media spend): 84% retail media spend share. Source: viciousmarketing.net (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/amazon-walmart-us-retail-media-spend-share
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<blockquote cite="https://lighthousedata.io/data/amazon-walmart-us-retail-media-spend-share" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>84%</strong> -- retail media spend share for Walmart and Amazon (US retail media spend)<br><small>Source: viciousmarketing.net (2026) · <a href="https://lighthousedata.io/data/amazon-walmart-us-retail-media-spend-share" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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