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Astera Labs vs Zscaler: Which Stock Looks Stronger in 2026?

Structurally, Astera Labs and Zscaler are closely matched — neither holds a meaningful edge overall. Zscaler still has the edge on valuation, which keeps the comparison from looking entirely one-sided. On the market side, Astera Labs is in better shape — its trend is intact while Zscaler's trend has broken down.

The comparison is based on similar long-term financial trajectories, not sector labels. Both peer scores are relative to the Russell 1000 universe, making them directly comparable.

Updated 2026-08-16

On growth, the clearer edge sits with Astera Labs, Inc., while the broader score remains level.

Trajectory Similarity
0.69
Moderately similar
Peer-set rank: #7
within Astera Labs, Inc.'s functional peer set

This pair is matched through long-term financial trajectory similarity within the selected peer universe.

A moderate similarity means the pair is structurally comparable, but not a near-twin trajectory match.

Broad structural alignment across multiple dimensions, while revenue growth diverges substantially.

What reduces the match
revenue growth trajectory
How to read the score
0.85–1.00 · Very similar0.70–0.84 · Similar0.55–0.69 · Moderately similarbelow 0.55 · Loose match
Peer-Relative Score
ALAB
Astera Labs, Inc.
44
Peer-Score
Signal qualitylow
Peer basis: Russell 1000
vs
ZS
Zscaler, Inc.
44
Peer-Score
Signal qualitylow
Peer basis: Russell 1000

Scores reflect position relative to comparable companies with similar long-term financial trajectories.

The clearest separation appears in growth.

Dimension spread: ALAB vs ZS Profitability 52 39 Stability 39 41 Valuation 11 59 Growth 86 33 ALAB ZS
Gap Ranking
#1 Growth +53
#2 Valuation +48
#3 Profitability +13
#4 Stability +2
Price Setup

Left means cheaper relative valuation. Higher means stronger structure.

Price setup map for ALAB and ZS Stronger + cheaper Stronger + richer Weaker + cheaper Weaker + richer ALABZS Relative valuation Structural strength

Astera Labs, Inc. still looks stronger overall, though current pricing looks more supportive for Zscaler, Inc..

Valuation position uses peer-relative PE percentile (idx_pct_pe) and Forward P/E where available.

Relative Position vs Comparable Companies
Growth
Astera Labs, Inc. ranks near the top of the group on growth; Zscaler, Inc. sits in the weaker half.
Valuation
On valuation, Zscaler, Inc. is positioned higher in the group, while Astera Labs, Inc. is closer to the middle.
Growth — Dominant Gap
ALAB
86
ZS
33
Gap+53in favour of ALAB

Growth adds another layer to the lead, with a very wide gap in revenue growth between the two companies.

What keeps the gap from being one-sided

Absolute pricing still looks more supportive for Zscaler, with a forward P/E that is 10.4 turns lower there.

What this means for the comparison

Growth is the clearest driver of the lead, with valuation adding further support — though valuation still provides a real counterweight.

Explore full peer positioning in AssetNext

Break down the ALAB vs ZS comparison across all dimensions with the full interactive tool.

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Explore how ALAB and ZS each compare against other companies in their peer groups.

Rule-based, descriptive analysis only. Derived from peer percentile dimensions. Not investment advice. Peer groups are determined algorithmically based on structural similarity — not by sector classification alone.

How AssetNext Peer Scores Work

AssetNext scores reflect each company's structural position within its functional peer group — not a ranking against all stocks simultaneously. Peers are identified by similarity across eight financial dimensions, including revenue growth trajectory, margin structure, capital intensity, and earnings stability. A score of 75 means the company ranks in the top quartile within its own peer group, not the entire market.

Four dimension scores drive the overall peer score: Growth (revenue trajectory and expansion dynamics), Quality (margin structure and capital efficiency), Valuation (peer-relative pricing on standard multiples), and Stability (earnings consistency and financial predictability). Each dimension is scored 0–100 relative to the peer group, then combined into an overall peer score using equal weighting.

Because scores are peer-relative, the same company can have slightly different scores in different index universes. On comparison pages, both companies are shown within their shared peer universe wherever possible — so the scores are directly comparable. The peer basis is stated on each score card.

Scores are recalculated periodically as underlying financial data is updated. All analysis is descriptive and rule-based — AssetNext describes structural realities and never issues buy, sell or hold recommendations.