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Arista Networks is a premier hyper-growth compounder in data center networking, benefiting significantly from cloud computing expansion and AI infrastructure tailwinds. Its software-driven EOS model drives industry-leading margins and robust revenue growth. Anchored heavily on forward earnings (60% weight) to capture near-term momentum, our composite fair value lands tightly at $184.49, implying substantial 30% upside. Elite ROIC and robust structural demand perfectly justify the aggressive valuation architecture. Fair value range: low $104, high $276, with mid-point at $184.
Stock analysis

ANET Arista Networks Inc. fair value $184–$276

ANET
By StockMarketAgent.AI team· supervised by
分析日: 2026-05-09次回更新: 2026-08-09Methodology v2.4Archetype: Hyper-growthNYSE · Information Technology
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株価
$141.77
▲ +42.72 (+30.13%)
公正価値
$184
$184–$276
評価
強い買い
confidence 88/100
上昇余地
+30.1%
upside to fair value
安全余裕率
$156.82
buy below · 15%
時価総額
$178.5B
P/E fwd 32.0
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§1 エグゼクティブサマリー

  • Composite fair value of $184.49 implies ~30% upside from current levels.
  • Primary valuation anchored securely on forward earnings to capture explicit AI momentum.
  • Operating margins logically normalized to 40.0% to build downside protection.
  • Customer concentration and InfiniBand substitution act as the primary risk vectors.
Fair value
$184
Margin of safety
+23.2%
Confidence
88/100
Moat
9/10

Educational analysis only — not financial advice. Always do your own due diligence.

$141.77Price
FV $184.49
High $275.61

Arista Networks is a premier hyper-growth compounder in data center networking, benefiting significantly from cloud computing expansion and AI infrastructure tailwinds. Its software-driven EOS model drives industry-leading margins and robust revenue growth. Anchored heavily on forward earnings (60% weight) to capture near-term momentum, our composite fair value lands tightly at $184.49, implying substantial 30% upside. Elite ROIC and robust structural demand perfectly justify the aggressive valuation architecture.

  • Extensible Operating System (EOS) platform
    Extensible Operating System (EOS) platform stickiness
  • Merchant silicon cost advantages driving
    Merchant silicon cost advantages driving elite margins
  • Cycle upside
    Generative AI infrastructure build-outs and massive cloud transitions drive an unprecedented supercycle for high-throughput Ethernet (400G/800G) interconnects.

§2 ベアケース

A severe margin compression scenario combined with delayed 800G Ethernet upgrade cycles would critically challenge the 30x terminal multipleTerminal multipleThe exit P/E or EV/EBITDA we apply to the final year of an explicit forecast. Anchored to the business's long-run quality and the prevailing risk-free rate.. If AI networking adoption drastically lags and InfiniBand decisively wins the backend interconnect war, Arista's hyper-growth trajectory violently decelerates.

このテーゼが崩れる経路

InfiniBand Dominance

· Medium

Hyperscalers standardize exclusively on InfiniBand for backend AI networking, structurally capping high-margin Ethernet switch demand.

FV impact
-45%
Trigger
12-24 months

Hyperscaler Capex Contraction

· Low

The top two cloud customers abruptly pause buildouts, resulting in severe revenue lumpiness and downward earnings revisions.

FV impact
-30%
Trigger
6-12 months

Commoditization Collapse

· Medium

White-box networking and aggressive legacy discounting force EOS pricing power erosion, compressing margins permanently below 35%.

FV impact
-25%
Trigger
24-36 months
監視すべき早期警戒シグナル
指標現在トリガーしきい値
Sequential decline in revenue from top hyperscaler accounts.MonitorDeterioration versus the report thesis
Operating margins breaking structurally below the 40% threshold.MonitorDeterioration versus the report thesis
Spiking inventory days suggesting stalled 800G upgrades.MonitorDeterioration versus the report thesis
Nvidia InfiniBand attach rates accelerating in tier-2 clouds.MonitorDeterioration versus the report thesis
Management guiding down terminal software subscription renewals.MonitorDeterioration versus the report thesis

§3 財務履歴

損益計算書 — 直近6期
項目T−0T−1T−2T−3T−4CAGR
期間2021-12-312022-12-312023-12-312024-12-312025-12-31Trend
売上高$2.95B$4.38B$5.86B$7.00B+24.1%
売上総利益$1.88B$2.68B$3.63B$4.49B+24.3%
営業利益$924.7M$1.53B$2.26B$2.94B+33.6%
純利益$840.9M$1.35B$2.09B$2.85B+35.7%
EPS (希薄化後)$1.07$1.65$2.23$2.75+26.7%
EBITDA$975.1M$1.59B$2.33B$3.01B+32.5%
研究開発$586.8M$728.4M$854.9M$996.7M+14.2%
販管費$369.3M$420.2M$518.1M$550.0M+10.5%

品質スコア

Piotroski F-スコア
4 / 9
0–9 品質コンポジット
Altman Zスコア
29.18
倒産リスク (>3 で安全)
OCF / 純利益
1.3×
>1 は利益の質が高いことを示す
会計品質ゲート
Pass
セクター調整後ゲート
ROIC
23.2%
投下資本利益率
セクション 3

Numbers analysis

資本配分

Capital allocation should be evaluated against reinvestment needs, balance-sheet strength, and shareholder returns.

個人サブスクライバー — §4以降11セクション追加

完全な分析を読む — 11セクション追加。

Competitive moat, industry cycle, peer comparison, intrinsic valuation, sensitivity, scenarios, earnings decision tree, position management, investor perspectives, scorecard, and final recommendation.

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FAQ

ANET — frequently asked questions

  1. Based on our latest analysis, ANET looks meaningfully undervalued. The current price is $142 versus a composite fair-value midpoint of $184 (range $104–$276), which implies roughly 30.1% upside to the midpoint.
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