Best Banks: AI Visibility Market Discovery Index

Benchmark Summary

Questions This Section Answers

• Which bank leads the Best Banks category in October 2026, and how close is the margin?
• Which brands moved beyond normal variation this month, and in which direction?
• What changed in recommendation-shaped answer share since the July 2026 baseline?

Ally Bank led the Best Banks category in October 2026 with valid recommendation coverage of 83.1%. Ally Bank also led the category at the July 2026 baseline (35.6%), but Chase held the top position in August 2026 (30.0%) and September 2026 (24.4%) before Ally Bank reclaimed the lead this month. The gap to the next brand was 0.4 points, with Capital One posting 82.7% in October 2026.

Capital One was the largest riser against the July 2026 baseline, moving from 0.0% to 82.7% valid recommendation coverage, an 82.7-point gain. Month over month, Capital One also rose from 0.0% in September 2026, a move beyond normal variation. Ally Bank's own month-over-month move was the largest of the month: coverage rose from 22.1% in September 2026 to 83.1% in October 2026, a 61.0-point gain beyond normal variation that reversed three straight months of decline since the July 2026 baseline.

The largest declines against the July 2026 baseline were Chase, down 34.3 points to 0.0% in October 2026, and Bank of America, down 29.5 points to 0.0%. Both brands have declined for three consecutive months in the series. The month showed broad movement across the category: six brands were significant risers and six were significant decliners against baseline, with Chase Credit Journey the lone stable brand.

The benchmark began with 800 prompt-surface observations in each month and produced 620 qualified observations in October 2026 after qualification.

Current Benchmark at a Glance

Qualified surface breadth refers to the number of canonical AI surface families with at least one qualified observation: ChatGPT, Copilot, Gemini, Perplexity, AI Overviews, and AI Mode. The benchmark held at six families across the series. August 2026 and September 2026 sat between these months, with recommendation-shaped answer share at 28.6% in August 2026, 25.4% in September 2026, and valid recommendation shortlist share at 41.7% in August 2026, 34.7% in September 2026.

For the strategic interpretation of this benchmark, read CiteWorks Studio's analysis of How AI Search Is Recommending Best Banks

Research Scope and Qualification

Questions This Section Answers

• How many prompt-surface observations qualified for the public benchmark, and what happened to the rest?
• Why do brand-level percentages use qualified observations rather than the raw collection?

The public benchmark is narrower than the raw collection universe by design. Brand-level percentages use the qualified observations as the public denominator, not the raw collection.

Brand-level percentages use the qualified observations as the public denominator, not the raw collection. See the AI Visibility Market Discovery Methodology.

Current Brand Standings

Questions This Section Answers

• Which banks lead on valid recommendation coverage in October 2026?
• Where did presence rate and recommendation coverage separate the top banks?
• Which tracked brands reached the strongest top-three and rank-one rates?

This table is the primary current-month benchmark view, sorted by valid recommendation coverage.

How to Read the Standings

• Presence rate: share of qualified observations where the brand is mentioned in the AI response.
• Valid recommendation coverage: share of qualified observations where the brand appears in a valid recommendation shortlist.
• Top-three rate: share of observations where the brand is recommended in the top three positions.
• Rank-one rate: share of observations where the brand is recommended first.
• Net sentiment: positive mentions minus negative mentions divided by total mentions.

For formulas and denominator rules, see AI Visibility Market Discovery Metric Definitions.

Recommendation Coverage Movement

Questions This Section Answers

• Which banks gained the most recommendation coverage since the July 2026 baseline?
• Which banks declined the most, and did those declines continue over multiple months?
• Why did Capital One's appearance in the standings represent a first in this series?

The category saw broad movement in both directions between September and October 2026. The largest prior-to-current moves were Ally Bank (up 61.0 points) and Marcus by Goldman Sachs (up 48.9 points), each beyond normal month-to-month variation. Capital One rose from 0.0% in September 2026 to 82.7% in October 2026, an 82.7-point move that was beyond normal variation. Bank of America Corp. rose from 0.0% to 4.0%, U.S. Bancorp from 0.0% to 1.9%, and Wells Fargo & Co. from 0.0% to 2.4%, each beyond normal variation. On the decline side, Chase fell from 24.4% in September 2026 to 0.0% in October 2026, Bank of America from 22.4% to 0.0%, Wells Fargo from 20.8% to 0.0%, U.S. Bank from 18.7% to 0.0%, Capital One Auto Finance from 5.7% to 0.0%, and Discover Home Loans from 1.6% to 0.2%. Each of these moves was beyond normal variation.

Largest Increase: Capital One

Capital One appeared in the current month for the first time in this series under the Capital One entity name. Capital One rose from 0.0% in July 2026 to 82.7% in October 2026, an 82.7-point increase beyond normal variation. Supporting metrics moved up as well: presence rate reached 98.4%, top-three rate 68.2%, and rank-one rate 19.2%. Net sentiment stood at 0.9.

Largest Decline: Chase

Chase declined from 34.3% in July 2026 to 0.0% in October 2026, a 34.3-point drop beyond normal variation. The brand declined in each of the three months since July 2026. Chase did not appear in the valid recommendation shortlist in October 2026 under this entity name.

Category Leader: Ally Bank

Ally Bank led the category in October 2026 with a valid recommendation coverage of 83.1%, up from 35.6% in July 2026, a 47.5-point increase beyond normal variation. The lead over the next brand was just 0.4 points. Ally Bank posted a presence rate of 90.3%, a top-three rate of 71.8%, and a rank-one rate of 27.7% in October 2026, with net sentiment at 0.9.

Recommendation Placement Snapshot

Questions This Section Answers

• How can two banks with nearly identical recommendation coverage differ in first-position recommendations?
• Which bank held the strongest rank-one rate in October 2026, and how does it compare to the next brand?

Coverage alone does not show how prominently a brand is recommended. Two brands sit close together in coverage but differ in first-position rates.

Similar coverage can still hide different first-position rates. Ally Bank ranked first in 27.7% of observations in October 2026 versus Capital One's 19.2%, despite the two brands sitting 0.4 points apart in coverage.

Buyer-Intent Distribution

Questions This Section Answers

• Which buyer-intent class do all qualified observations fall into?
• Which buyer-intent classes does the public series not yet measure?

All qualified observations in both months fell into the Brand Recommendation class, which captures discovery and consideration queries where a brand is recommended.

The current public series measures Brand Recommendation discovery only and does not yet contain qualified observations in the Pricing & Value or Multi-Brand Comparison classes.

Historical Measurement Record

Questions This Section Answers

• Which banks have led the Best Banks benchmark across the four measurements?
• What does the available history show about leader turnover and the largest coverage movements?

This is an evergreen benchmark URL. New measurements are added to the same report.

Leadership changed hands twice across the four measurements, and the largest coverage movement in the series accompanied the latest one.

Evidence and Source Layer

The benchmark is built from prompt-level observations that retain the query, AI/search surface, answer, brand outcome, recommendation placement, sentiment, and, where exposed, citations or attributable evidence sources. Source presence is evidence about the information environment, not automatically proof that the source caused the recommendation.

Scope Boundaries

This public benchmark does not measure market share, attributable sales, every possible AI response, organic-search ranking, social mention volume, or private or sponsored channels. A metric movement alone does not establish causality.

Top 10 Cited Domains

Questions This Section Answers

• Which domains were cited most often across AI platform responses in October 2026?
• Which types of sources dominate the citation list, and how concentrated are citations at the top?
• Which tracked brand domain appears in the top 10 cited domains?

Across all AI platform responses in October 2026, the benchmark observed 6,174 citations spanning 650 unique domains.

Citations are moderately concentrated at the top, with the two leading domains accounting for a combined 18.2% of all citations and the top ten together representing 46.7%. The tracked brand domain capitalone.com appears in the top 10, cited 115 times across all eight platform identifiers. Review and comparison sites (bankrate.com, nerdwallet.com, usnews.com) and financial news outlets (forbes.com, cnbc.com, finance.yahoo.com, wsj.com) dominate the list, alongside a community forum (reddit.com) and a search portal (google.com).

About This Benchmark

The LLM Authority Index AI Visibility Market Discovery Index tracks how AI platforms and search surfaces present brands and products across a defined category. It is a neutral, observation-based measurement of presence, recommendation coverage, placement, and sentiment.

• AI Visibility Market Discovery Methodology
• AI Visibility Market Discovery Metric Definitions
• AI Visibility Market Discovery Research Standards
• Modeled AI Visibility Authority Value

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