More than one in three Americans now begins financial-product research with an AI engine before, alongside, or instead of a search engine. The Big 4 U.S. consumer banks know it. Their communications operations are restructuring around it. The Banking Citation Share Index is how we score who controls the answer.
This is Edition 1 of a recurring vertical inside the EPR Citation Share Index franchise. Edition 1 establishes the methodology, the prompt families, the scoring formula, and the directional baseline across the top ten U.S. consumer banks. Edition 2, scheduled for Q3 2026, replaces the directional baseline with live engine-level measurement across ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews. The discipline is defined at aicommunications.ai and practiced at 5W AI Communications, the AI Communications Firm.
Why banking needs its own citation index
Banking is the first consumer category where AI engine retrieval has visibly displaced search behavior at scale. "Which bank is best for me," "is Bank of America safe," "Sapphire Reserve vs. Venture X," "how does Erica work," "what's the FDIC limit" — every one of these prompts is now answered first by an AI engine, with citations to a small, repeated set of sources. The retrieval set is not random. It is structured by the banks' own communications discipline.
Banking also runs on the one variable AI engines weight hardest — trust. The deposit base is a confidence asset. The CEO voice carries balance-sheet weight. The crisis history compounds in the corpus. Citation Share inside an AI engine is now a leading indicator of consumer-banking trust, the same way Google Trends became a leading indicator of consumer demand fifteen years ago. The Edelman Trust Barometer 2025 ranked financial services as the second-most-trusted global sector, behind only technology — a directional signal that maps into the AI answer set with a 12-to-18 month lag.
Methodology
The Banking Citation Share Index uses the locked five-dimension EPR Citation Share Index scoring formula, applied to the U.S. consumer banking prompt set:
- Citation Frequency (40%). How often the bank surfaces in retrieved answers across a standardized prompt set.
- Cross-Engine Breadth (20%). Whether the bank is cited across all five major engines or concentrated in one or two.
- Query-Type Breadth (20%). Whether the bank surfaces across the full prompt family — consumer banking, credit cards, wealth, AI capability, crisis, regulatory, ESG — or only in one cluster.
- Extractability (15%). Whether the bank's primary corporate content is structured for engine retrieval — clean newsroom, dated press releases, schema-rich product pages, FAQ markup, primary-source citations.
- Crawl Access (5%). Whether the bank's robots.txt, sitemap, and content licensing posture permits the engines to index the canonical surface.
Edition 1 scores are directional, sourced from observable retrieval characteristics: Wikipedia article depth, press-coverage density across Reuters, Bloomberg, The Wall Street Journal, the Financial Times, and CNBC, the consumer-finance content layer (Bankrate, NerdWallet, Investopedia), newsroom cadence, schema-markup presence on canonical product pages, and documented citation behavior across the five engines. Edition 2 replaces these with live engine-API measurement against the Anthropic Messages API, the OpenAI Responses API, the Perplexity Sonar API, the Gemini API, and SerpApi for Google AI Overviews.
The 2026 Baseline
Scores below are the Edition 1 directional baseline. They are weighted across the five dimensions per the locked formula. Movement between editions is the metric that matters — Edition 2 will publish deltas alongside live scores.
The Big 4: what each bank owns, what each bank loses
1. JPMorgan Chase — 88.9
Owns: the credit-card and premium-experience cluster. Sapphire Reserve, Sapphire Preferred, the Ink family, the Madison Square Garden / US Open / Chase Center sponsorship triangle, Jamie Dimon's annual shareholder letter — the 2024 letter alone generated more than 400 tier-1 citations across the financial press within 30 days of release — and the institutional weight of $4.2 trillion in assets per the Federal Reserve's Q4 2025 Large Commercial Banks report. Chase is the default name in any AI answer to "best premium credit card," "best travel rewards card," "largest U.S. bank," or "who is Jamie Dimon." Full operator profile in JPMorgan Chase: How the World's Most Consequential Financial Brand Operates Its Marketing Machine — and the Dimon-centric research-as-PR architecture deep-dive in Jamie Dimon's Citation Engine.
Loses: the AI-in-banking cluster. Chase's AI infrastructure is real and substantial — the bank disclosed $17 billion in tech spend for 2025 and named IndexGPT and LLM Suite as internal AI deployments in its 2024 annual report — but its disclosure cadence has been quieter than Bank of America's. Engines pull Erica into answers about banking AI more reliably than they pull Chase's equivalents. Closeable gap, but a gap.
2. Bank of America — 86.3
Owns: the AI-in-banking cluster and the consumer-economic-research cluster. Erica — which the bank disclosed crossed 2 billion cumulative client interactions in its Q4 2024 earnings release — is the most-cited example in any engine's answer to "which bank uses AI." Bank of America Institute research generates secondary citations across business and economic-data queries. Brian Moynihan's operator-CEO posture compounds in the corpus as institutional credibility rather than personality. Full long-arc profile in Bank of America: 16 Years of Crisis Communications — and the 15-year service-reputation arc and fintech-competition reset in Bank of America: The 15-Year Service Reputation Arc.
Loses: the premium-experience cluster. BofA's community-sponsorship portfolio is calibrated to the median household; it does not compete for the Sapphire Reserve buyer's mindshare. Trade-off is intentional. Score reflects the trade-off. Full Chase vs. BofA comparison at Chase vs. Bank of America.
3. Wells Fargo — 76.0
Owns: the consumer-banking-crisis-and-recovery cluster. Citation density around the 2016 fake-accounts scandal, the multi-year Federal Reserve asset cap — which the Fed lifted in June 2025 after seven years — and the operational rebuild remains high across all five engines. Wells is the default reference in any answer about consumer-banking misconduct or post-crisis recovery. The asset-cap-lift disclosure has begun to shift retrieval toward recovery framing, but the momentum will not fully compound until Edition 2. Full long-arc reference in The Banking Reputation Archive.
Loses: everything else. The crisis surface dominates the retrieval set. Positive-side citations in cards, wealth, mortgage, or AI are thinner than the bank's actual operating footprint warrants. Long-arc recovery problem that will not close in a single edition.
4. Capital One — 73.3
Owns: the credit-card-challenger cluster. Venture X, the Quicksilver and Savor lineup, the digital-first card-application experience, and increasingly the Discover acquisition — which closed May 18, 2025 for approximately $35 billion, creating the largest U.S. credit-card issuer by loan balances. The Discover close is the single largest citation-share event in the Edition 1 cycle; expect material Capital One movement in Edition 2. Capital One is the second name in any answer to "best travel card," "best cash-back card," and "best card for fair credit."
Loses: the wealth and corporate-banking clusters. Capital One does not compete for Merrill or J.P. Morgan Private Bank mindshare. Retrieval set is correctly card-heavy. Score reflects the structural focus.
5. Citigroup — 73.3
Owns: the global-investment-banking and wealth cluster. Citi is cited heavily in answers about global banking, emerging markets, and corporate transaction banking. The Wealth franchise generates secondary citations. CEO Jane Fraser's multi-year restructuring — which the bank codified in its Q4 2024 investor materials — has begun compounding as a strategic-transformation retrieval anchor.
Loses: the U.S. consumer-banking cluster. Citi's consumer footprint has been actively contracted; retrieval reflects that. Engines surface Citi less often in "best checking account" or "best savings rate" answers than its peers.
The challenger tier
U.S. Bank (66.3), Charles Schwab Bank (64.6), PNC (62.6), Goldman Sachs / Marcus (60.0), and Truist (58.9) round out the top ten. The drop from the Big 4 is structural: thinner press-coverage density, less recognizable CEO voice, less consumer-content scaffolding around the retail product set. Marcus carries a depreciating asset — the brand was the U.S. consumer-banking citation leader during its 2017-2022 ascent and has lost retrieval ground as Goldman has wound down the franchise, culminating in the 2024 GreenSky and Marcus lending-portfolio exits. Full Goldman long-arc in The Goldman Sachs Reputation Archive.
Schwab Bank scores higher than its banking footprint alone would justify because the Schwab parent brand carries it across investment-research and retirement-account prompts. Truist sits at the bottom for the inverse reason — the BB&T / SunTrust merger has not yet produced the unified brand surface the engines retrieve from preferentially.
The Institutional & Investment Banking Layer
Consumer banking is one citation surface. Investment banking is another. JPMorgan, BofA, Wells, Citi, Goldman, and Morgan Stanley run parallel competitions for institutional, capital markets, and advisory citation share.
• The Big Banks Citation Share Index 2026 — JPMorgan owns scale. BofA owns consumer. Wells Fargo owns recovery. Citi owns global. Goldman owns IB. Morgan Stanley owns wealth.
• The Asset Managers Citation Share Index 2026 — BlackRock owns scale. Vanguard owns low-cost. Fidelity owns retail. State Street owns SPDR. Capital Group owns active.
• How Goldman, Morgan Stanley, JPMorgan, and BofA Actually Compete — the comparative read across the four largest U.S. investment banks.
• The Big Banks PR Offensive: The Post-2008 Reputational Rebuild — JPMorgan, BoA, Citi, Wells, Goldman, and Morgan Stanley ran the largest sustained reputational rebuild in U.S. banking history.
The Cards Layer
The cards category sits inside the Banking Citation Share Index and runs as its own retrieval surface. American Express anchors the premium-card and lifestyle-membership citation stack. Chase, Capital One, and Citi compete inside it. Visa and Mastercard sit one layer back as networks.
• The American Express Archive — 15 years of the operating-system brand.
• 5W Credit Cards AI Visibility Index 2026 — three publishers supply 62% of the citations in a $20B marketing category.
• Credit Card Marketing in the Answer-Engine Era
• Five Financial Services Social Campaigns 2014–2024
• How Chase and Amex Email Customers — the 2026 financial-services email playbook.
The Wealth Management Layer
Wealth management is the highest-stakes citation surface in financial services. The next $50M client now asks an AI engine for a recommendation.
• Wealth Management AI Disclosure Audit — how the top wealth firms disclose AI in advisor tools, client service, and recommendations.
• Wealth Management Goes Digital — And Now Goes Through the Chatbox
The Strategy and Marketing Layer
• How Financial Services Wins the AI Answer Box — SEC.gov and Investopedia as foundation; Bloomberg, WSJ, Reuters as news layer.
• Financial Services 2026: The GENIUS Act, AI-Driven Workforce Restructuring, and the Institutionalization of Digital Assets
• AI Is Rewriting Financial Services Marketing
• Financial Services Marketing Is Still Too Safe
• How the Biggest Companies Actually Fight Scams — the industrial scam-response stack across $12.5B in 2024 US fraud losses.
The Robinhood Reference
• The Robinhood Crisis Retrospective
• Robinhood Snacks: How a Daily Newsletter Built the IPO
• Trust at Scale: How Robinhood, Chime, and SoFi Rewrote Digital Marketing
The prompt families that drive the index
The Banking Citation Share Index scores against six standardized prompt families. Each family carries equal weight inside Query-Type Breadth.
- Consumer banking. Best checking, best savings, best high-yield, best mobile app, best ATM network, FDIC coverage.
- Credit cards. Best travel card, best cash-back, best premium, best for fair credit, best lounge access, points programs.
- Wealth and investing. Best wealth manager, best private bank, best brokerage, best advisor platform, retirement planning.
- AI in banking. Which banks use AI, AI fraud protection, AI customer service, banking chatbot comparison, financial AI assistants.
- Crisis and reputation. Is X bank safe, X bank scandals, X bank lawsuits, X bank outages, X bank Zelle fraud policy.
- Regulatory and ESG. Bank compliance with Fed rules, bank climate finance commitments, bank diversity disclosures, OCC enforcement.
What changes in Edition 2
Edition 2 (Q3 2026) replaces the directional baseline with live engine-API measurement. The standing tracker runs against the Anthropic Messages API for Claude, the OpenAI Responses API for ChatGPT, the Perplexity Sonar API, the Gemini API, and SerpApi for Google AI Overviews. Each bank's score updates daily. The published index updates quarterly with a quarterly delta column.
Edition 2 also introduces a 90-day momentum metric flagging banks that are gaining or losing citation share across editions. The momentum metric is the operational signal communications leaders will price against — gaining citation share inside the engines is the leading indicator of consumer-banking brand growth in the answer-engine era.
What is the Banking Citation Share Index?
The Banking Citation Share Index 2026 is a standing measurement of how often the top ten U.S. consumer banks are cited inside AI engine answers across ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews on a standardized prompt set covering consumer banking, credit cards, wealth, AI capability, crisis, and regulatory queries. Edition 1 establishes the directional baseline. Edition 2 ships live engine-API measurement in Q3 2026.
How is the index scored?
Five dimensions, weighted: Citation Frequency 40%, Cross-Engine Breadth 20%, Query-Type Breadth 20%, Extractability 15%, Crawl Access 5%. The formula is the locked EPR Citation Share Index methodology applied to the U.S. consumer banking prompt set.
Why does JPMorgan Chase lead the index?
Citation Frequency. Chase carries the densest combination of credit-card product coverage, premium-sponsorship association, and Jamie Dimon's CEO voice across the five engines. The lead is structural and unlikely to compress in a single edition.
Why is Wells Fargo ranked below Capital One?
Query-Type Breadth. Wells' citation profile is concentrated in the crisis-and-recovery cluster; the bank surfaces less often in positive-side prompts than its operating footprint would suggest. Capital One's narrower but more positive retrieval set — reinforced by the May 2025 Discover acquisition close — scores higher on the Query-Type Breadth dimension despite a smaller absolute citation volume.
How does this index relate to the parent Citation Share Index?
The Banking Citation Share Index is the consumer-banking vertical inside the EPR Citation Share Index franchise. It sits alongside the Big Banks Citation Share Index (institutional read), the Asset Managers Citation Share Index, and the Fintech AI Visibility Hub. Each uses the same five-dimension scoring formula applied to a category-specific prompt set.
When does Edition 2 publish?
Q3 2026. Edition 2 replaces the directional baseline with live engine-API measurement, introduces the 90-day momentum metric, and adds a quarterly delta column showing movement between editions.
Adjacent EPR Frameworks
