VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Wednesday, December 31, 2025

Stock Comparison

Canadian National Railway Company vs The Trade Desk, Inc.

Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.

Canadian National Railway Company

CNR · Toronto Stock Exchange

Market cap (USD)$61.2B
SectorIndustrials
CountryCA
Data as of2025-12-30
Moat score
97/ 100

Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.

Full stock profile

Dive deeper into Canadian National Railway Company's moat claims, evidence, and risks.

View CNR analysis

The Trade Desk, Inc.

TTD · NASDAQ

Market cap (USD)$18.5B
SectorCommunication Services
CountryUS
Data as of2025-12-26
Moat score
62/ 100

Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.

Full stock profile

Dive deeper into The Trade Desk, Inc.'s moat claims, evidence, and risks.

View TTD analysis

Comparison highlights

  • Moat score gap: Canadian National Railway Company leads (97 / 100 vs 62 / 100 for The Trade Desk, Inc.).
  • Segment focus: Canadian National Railway Company has 2 segments (96.2% in Rail freight transportation network); The Trade Desk, Inc. has 1 segment (100% in Advertising Technology Platform (DSP)).
  • Primary market structure: Duopoly vs Competitive. Pricing power: Moderate vs Moderate.
  • Moat breadth: Canadian National Railway Company has 4 moat types across 2 domains; The Trade Desk, Inc. has 4 across 2.

Primary market context

Canadian National Railway Company

Rail freight transportation network

Market

Canadian Class I freight rail transportation

Geography

Canada (with U.S. cross-border corridors)

Customer

Industrial shippers, intermodal customers, and auto supply chains

Role

Line-haul freight railway (Class I)

Revenue share

96.2%

The Trade Desk, Inc.

Advertising Technology Platform (DSP)

Market

Demand-side platforms (DSP) for programmatic advertising (open internet)

Geography

Global

Customer

Advertising agencies and advertisers

Role

Buy-side platform / demand aggregation

Revenue share

100%

Side-by-side metrics

Canadian National Railway Company
The Trade Desk, Inc.
Ticker / Exchange
CNR - Toronto Stock Exchange
TTD - NASDAQ
Market cap (USD)
$61.2B
$18.5B
Sector
Industrials
Communication Services
HQ country
CA
US
Primary segment
Rail freight transportation network
Advertising Technology Platform (DSP)
Market structure
Duopoly
Competitive
Market share
50%-56% (estimated)
6%-10% (implied)
HHI estimate
4,031
n/a
Pricing power
Moderate
Moderate
Moat score
97 / 100
62 / 100
Moat domains
Legal, Supply
Network, Demand
Last update
2025-12-30
2025-12-26

Moat coverage

Shared moat types

No overlap yet.

Canadian National Railway Company strengths

Permits Rights Of WayPhysical Network DensityScale Economies Unit CostScope Economies

The Trade Desk, Inc. strengths

Interoperability HubSwitching Costs GeneralData Network EffectsStandards Registry

Segment mix

Canadian National Railway Company segments

Full profile >

Rail freight transportation network

Duopoly

96.2%

Non-rail logistics and ancillary services

Competitive

3.8%

The Trade Desk, Inc. segments

Full profile >

Advertising Technology Platform (DSP)

Competitive

100%

Want the full wide moat stocks list?

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Curation & Accuracy

This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).

Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.