AMOM1.510%
as of Sep 2
CIEN
GrowthCIENA CORP
Ciena Corporation, a network technology company, provides hardware, software, and services for various network operators in the Americas, Europe, the Middle East, Africa, the Asia Pacific, Japan, and India. It operates through Networking Platforms, Platform Software and Services, Blue Planet Automation Software and Services, and Global Services segments. The Networking Platforms segment consists optical networking, routing, and switching products and services.
Close · 3M
-39.04%
Held by 2 AI ETFs
AIVL0.423%
as of Sep 3
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 signals14
Win rate0% (0/14)
Avg buy return-23.07%
AMOM · Weight decrease · 2d
weight 1.660% → 1.510% (-0.150 pp)·stock down 13.9% in the 30 days before
Sep 2·entry $354.16·now $317.46
-10.36%
since Sep 2
AMOM · Weight decrease · 2d
weight 1.740% → 1.650% (-0.090 pp)·stock up 1.7% in the 30 days before
Aug 28·entry $378.44·now $317.46
-16.11%
since Aug 28
AMOM · Weight increase · 2d
weight 1.630% → 1.740% (+0.110 pp)·stock up 15.3% in the 30 days before
Aug 26·entry $404.03·now $317.46Fresh
-21.43%
since Aug 26
AMOM · Weight decrease · 3d
weight 1.830% → 1.700% (-0.130 pp)·stock down 1.2% in the 30 days before
Aug 20·entry $392.48·now $317.46
-19.11%
since Aug 20
AMOM · Weight decrease · 2d
weight 1.830% → 1.710% (-0.120 pp)·stock down 2.3% in the 30 days before
Aug 19·entry $399.47·now $317.46
-20.53%
since Aug 19
AMOM · Weight increase · 2d
weight 1.670% → 1.850% (+0.180 pp)·stock up 5.8% in the 30 days before
Aug 13·entry $442.79·now $317.46Fresh
-28.30%
since Aug 13
AMOM · Weight decrease · 2d
weight 1.790% → 1.670% (-0.120 pp)·stock down 13.0% in the 30 days before
Aug 11·entry $387.53·now $317.46
-18.08%
since Aug 11
AMOM · Weight increase · 3d
stock down 7.5% in the 30 days before
Aug 3·entry $390.76·now $317.46Fresh
-18.76%
since Aug 3
AMOM · Weight increase · 2d
stock down 18.5% in the 30 days before
Jul 31·entry $377.05·now $317.46Fresh
-15.80%
since Jul 31
-3.91%
since Jul 29
-9.43%
since Jul 28
AMOM · Weight increase · 2d
stock down 4.6% in the 30 days before
Jul 21·entry $408.73·now $317.46Fresh
-22.33%
since Jul 21
AIVL · Sudden change · 1d
weight 0.800% → 0.476% (-0.325 pp)·stock down 13.9% in the 30 days before
Sep 2·entry $354.16·now $317.46
-10.36%
since Sep 2
AIVL · Weight decrease · 2d
weight 0.834% → 0.784% (-0.050 pp)·stock up 1.7% in the 30 days before
Aug 28·entry $378.44·now $317.46
-16.11%
since Aug 28
AIVL · Weight increase · 2d
weight 0.773% → 0.834% (+0.062 pp)·stock up 15.3% in the 30 days before
Aug 26·entry $404.03·now $317.46Fresh
-21.43%
since Aug 26
AIVL · Weight decrease · 3d
weight 0.920% → 0.817% (-0.103 pp)·stock down 1.2% in the 30 days before
Aug 20·entry $392.48·now $317.46
-19.11%
since Aug 20
AIVL · Weight decrease · 2d
weight 0.920% → 0.826% (-0.094 pp)·stock down 2.3% in the 30 days before
Aug 19·entry $399.47·now $317.46
-20.53%
since Aug 19
AIVL · Accumulation · 5d
weight 0.839% → 0.920% (+0.081 pp)·stock up 18.9% in the 30 days before
Aug 17·entry $445.18·now $317.46Fresh
-28.69%
since Aug 17
AIVL · Accumulation · 5d
weight 0.815% → 0.877% (+0.062 pp)·stock up 10.3% in the 30 days before
Aug 14·entry $428.77·now $317.46Fresh
-25.96%
since Aug 14
AIVL · Accumulation · 6d
weight 0.794% → 0.909% (+0.115 pp)·stock up 5.8% in the 30 days before
Aug 13·entry $442.79·now $317.46Fresh
-28.30%
since Aug 13
AIVL · Accumulation · 6d
weight 0.778% → 0.893% (+0.116 pp)·stock down 3.3% in the 30 days before
Aug 12·entry $432.05·now $317.46Fresh
-26.52%
since Aug 12
AIVL · Weight increase · 4d
weight 0.778% → 0.852% (+0.074 pp)·stock down 10.8% in the 30 days before
Aug 7·entry $412.39·now $317.46Fresh
-23.02%
since Aug 7
AIVL · Weight increase · 3d
weight 0.778% → 0.839% (+0.061 pp)·stock down 8.4% in the 30 days before
Aug 6·entry $403.76·now $317.46Fresh
-21.37%
since Aug 6
AIVL · Weight increase · 2d
weight 0.778% → 0.815% (+0.037 pp)·stock down 7.5% in the 30 days before
Aug 3·entry $390.76·now $317.46Fresh
-18.76%
since Aug 3
-3.91%
since Jul 29
-9.43%
since Jul 28
AIVL · Weight increase · 2d
stock down 4.6% in the 30 days before
Jul 21·entry $408.73·now $317.46Fresh
-22.33%
since Jul 21
PQUS · Exit · 1d
weight 0.150% → 0 (exited)·stock down 2.9% in the 30 days before
Aug 21·entry $395.79·now $317.46
-19.79%
since Aug 21
-15.80%
since Jul 31
-16.19%
since Jul 19
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
Too hard to callas of May 2
AI ETFs currently hold CIENA Corp in their portfolios, indicating a perceived opportunity or fit within their investment strategies. However, AIVL, a significant holder, shows a recent trend of decreasing its weight in the stock. This framework's verdict of 'Too Hard' suggests that a Buffett-style investor would not engage with the company due to its unpredictable nature, diverging from the AI ETFs' current active holdings, despite AIVL's selling trend.
- Circle of CompetenceThe fast-evolving nature of networking technology and infrastructure makes ten-year cash flow predictability challenging, suggesting it falls outside the circle of competence.
- Economic MoatNot assessed due to the business falling outside the circle of competence.
- ManagementNot assessed due to the business falling outside the circle of competence.
- Financial HealthNot assessed due to the business falling outside the circle of competence.
- Margin of SafetyNot assessed due to the business falling outside the circle of competence.
CIENA Corp operates in the dynamic Information Technology sector, presenting significant challenges in projecting stable unit economics and long-term cash flows for a value-investing analysis. This inherent unpredictability leads to the conclusion that the company falls outside the circle of competence for this framework. Consequently, a comprehensive assessment of its economic moat, management quality, financial health, and margin of safety cannot be reliably conducted, rendering the company 'Too Hard' to evaluate.
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.