Last refreshed: September 4, 2026 (US ET)
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EQIX

Defensive

EQUINIX INC

Real Estate·Data Center REITsYield: Mid (1-3%)

Equinix, Inc. shortens the path to boundless connectivity anywhere in the world. Its digital infrastructure, data center footprint and interconnected ecosystems empower innovations that enhance our work, life and planet. Equinix connects economies, countries, organizations and communities, delivering seamless digital experiences and cutting-edge AI quickly, efficiently and everywhere.

Close · 3M

-6.13%

EQIX · 3M

-6.13%

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Held by 1 AI ETF

AIEQ0.050%

as of Sep 4

Signal performance

Each tracked ETF's moves on this stock, grouped by fund. Returns are measured from the signal date to the latest close — hypothetical, no commissions or slippage.

Buy signals9
Win rate33% (3/9)
Avg buy return-2.04%
AIEQnow 0.050% of fund6 signals

AIEQ · New entry · 1d

weight 0 → 0.050% (new)·stock down 0.4% in the 30 days before

Sep 1·entry $1027.59·now $1040.83Fresh

+1.29%
since Sep 1

AIEQ · Exit · 1d

weight 0.420% → 0 (exited)·stock up 0.6% in the 30 days before

Aug 2·entry $1031.44·now $1040.83

+0.91%
since Aug 2

AIEQ · Weight decrease · 2d

weight 0.440% → 0.410% (-0.030 pp)·stock up 0.5% in the 30 days before

Jul 30·entry $1047.53·now $1040.83

-0.64%
since Jul 30

AIEQ · Weight increase · 2d

weight 0.410% → 0.440% (+0.030 pp)·stock down 1.0% in the 30 days before

Jul 26·entry $1046.79·now $1040.83Fresh

-0.57%
since Jul 26

AIEQ · New entry · 1d

weight 0 → 0.420% (new)·stock down 3.5% in the 30 days before

Jul 1·entry $1013.62·now $1040.83Drifting

+2.68%
since Jul 1

AIEQ · Exit · 1d

weight 0.100% → 0 (exited)·stock down 1.9% in the 30 days before

May 30·entry $1050.77·now $1040.83

-0.95%
since May 30
PQUSno longer held13 signals

PQUS · Exit · 1d

weight 0.090% → 0 (exited)·stock down 0.3% in the 30 days before

Aug 28·entry $1044.41·now $1040.83

-0.34%
since Aug 28

PQUS · Weight decrease · 3d

weight 0.690% → 0.320% (-0.370 pp)·stock up 0.7% in the 30 days before

Aug 8·entry $1043.38·now $1040.83

-0.24%
since Aug 8

PQUS · Weight decrease · 2d

weight 0.690% → 0.330% (-0.360 pp)·stock up 0.7% in the 30 days before

Aug 7·entry $1042.62·now $1040.83

-0.17%
since Aug 7

PQUS · Weight decrease · 2d

weight 0.740% → 0.700% (-0.040 pp)·stock up 0.6% in the 30 days before

Jul 31·entry $1019.28·now $1040.83

+2.11%
since Jul 31

PQUS · Weight decrease · 2d

weight 0.770% → 0.750% (-0.020 pp)·stock down 5.2% in the 30 days before

Jul 16·entry $1009.14·now $1040.83

+3.14%
since Jul 16

PQUS · Weight increase · 2d

weight 0.750% → 0.770% (+0.020 pp)·stock down 0.8% in the 30 days before

Jul 12·entry $1039.53·now $1040.83Fresh

+0.13%
since Jul 12

PQUS · Weight decrease · 2d

weight 0.850% → 0.760% (-0.090 pp)·stock down 6.5% in the 30 days before

Jul 3·entry $998.84·now $1040.83

+4.20%
since Jul 3

PQUS · Weight increase · 3d

weight 0.720% → 0.760% (+0.040 pp)·stock up 2.0% in the 30 days before

Jun 26·entry $1091.30·now $1040.83Fresh

-4.62%
since Jun 26

PQUS · Weight increase · 2d

weight 0.720% → 0.750% (+0.030 pp)·stock up 0.9% in the 30 days before

Jun 25·entry $1087.61·now $1040.83Fresh

-4.30%
since Jun 25

PQUS · Weight increase · 2d

weight 0.700% → 0.730% (+0.030 pp)·stock up 4.2% in the 30 days before

Jun 19·entry $1115.94·now $1040.83Fresh

-6.73%
since Jun 19

PQUS · Weight decrease · 2d

weight 0.720% → 0.700% (-0.020 pp)·stock down 2.0% in the 30 days before

Jun 13·entry $1064.38·now $1040.83

-2.21%
since Jun 13

PQUS · Weight increase · 2d

weight 0.710% → 0.730% (+0.020 pp)·stock down 0.6% in the 30 days before

Jun 7·entry $1062.74·now $1040.83Fresh

-2.06%
since Jun 7

PQUS · New entry · 1d

weight 0 → 0.060% (new)·stock up 3.9% in the 30 days before

May 10·entry $1086.22·now $1040.83Fresh

-4.18%
since May 10

Sell signals show what the stock did after the AI exited. A negative number means the AI's exit was well-timed.

Buffett-style framework

Fails the frameworkas of Aug 30

One AI ETF (PQUS) recently exited its position in Equinix, which aligns with this framework's "Fail" verdict primarily driven by concerns over valuation and the ROE metric. However, another AI ETF (QRFT) still holds a minor allocation to EQIX, suggesting some AI models may prioritize its strong business fundamentals and moat despite the high price.

  • Circle of CompetenceThe predictable and growing demand for digital infrastructure, coupled with Equinix's REIT structure, allows for a reasonable projection of its long-term earning power.
  • Economic MoatEquinix possesses a strong economic moat derived from its extensive global interconnection network, high customer switching costs, and significant scale advantages.
  • ManagementInsufficient data is provided to evaluate management's candor, capital allocation decisions, or level of insider ownership.
  • Financial HealthThe company's most recent ROE of 10.76% falls short of the framework's requirement for a 10-year average of at least 15%, and other financial health metrics could not be fully assessed.
  • Margin of SafetyElevated valuation multiples, including a PER of 69.1 and an EV/EBITDA of 28.68, indicate the stock is trading at a significant premium, precluding a conservative margin of safety.

Equinix demonstrates a business within the circle of competence and possesses a strong economic moat. However, a "Fail" verdict is rendered due to its current ROE falling below the framework's standard and the lack of a defensible margin of safety at its elevated valuation.

Educational interpretation generated by AI applying frameworks Warren Buffett documented in his shareholder letters and other public writings. Not a statement by Mr. Buffett or Berkshire Hathaway, and not investment advice.