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An Investing.com analysis of 12 months of user activity ranks California first for AI-related investing, followed by Ohio and Colorado in a tie. Florida led in AI-assisted investment research, while Pennsylvania had the strongest engagement with AI-focused stocks; the index measures activity adjusted for audience size, not investment results.
California ranked first in Investing.com’s analysis of where U.S. investors use AI in connection with investment decisions, while Ohio and Colorado tied for second. The index draws on 12 months of platform user activity and offers a state-by-state snapshot of AI-assisted research and engagement with AI-focused stocks, rather than measuring investment performance.
Investing.com says its AI Investing Index combines two types of activity: use of AI for investment research and engagement with stocks identified as AI-focused. The company adjusted the measures for each state’s audience size. Its release does not give the underlying activity totals or explain the precise weighting assigned to each component.
After California, Ohio and Colorado, Florida and Texas placed fourth and fifth, respectively. Utah, Hawaii, Michigan and Minnesota also appeared in the top 10. New York ranked 13th, while New Jersey ranked 27th, according to the published results.
The component rankings differed from the overall list: Florida recorded the highest AI-assisted research activity among the states included, while Pennsylvania led in engagement with AI-focused stocks. The release describes the index as user activity; it does not say that these measures represent completed trades, portfolio allocations or returns.
AI Investing Beyond Wall Street
The ranking suggests that activity around AI-assisted investing is not limited to states associated with technology companies or traditional financial centers. Ohio and Colorado’s joint second-place ranking, as well as Florida’s lead in research activity, shows how the pattern looks across the platform’s state-level data. It does not, by itself, establish why users in those states are more active.
For retail investors, AI tools may provide ways to explore company information, market statistics and economic developments. Investing.com Senior Analyst Thomas Monteiro said the company interprets its data as evidence that retail investors are doing more research. That is an interpretation of platform activity, not a finding that AI has improved decisions or narrowed performance gaps between retail and professional investors.
The distinction matters because the index tracks engagement, not outcomes. It does not report whether AI-generated information was accurate, whether users acted on it, or whether their investments performed better or worse. Higher measured use is not proof of better results, and investing involves the risk of loss.
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What the Index Measures
The ranking arrives amid broader adoption of AI tools in personal investing. The release cites a separate March 2026 survey that found 62% of U.S. retail investors had used AI to help inform an investment decision, and that more than half expected their use to increase. The release does not identify the survey’s sample size, field dates or methodology, so those details cannot be assessed from the material provided.
Investing.com says the activity it analyzed included questions and research related to stock statistics, technical analysis, company news, economic events, dividends and financial statements. The U.S. state ranking forms part of a wider international analysis: the company says the United States placed 19th among 66 qualifying countries, behind a global top five of Italy, Poland, Israel, Chile and Argentina.
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Limits of the State Ranking
The release does not provide state-level raw counts, the exact 12-month dates, or the index’s full calculation method. It also does not specify how AI use and engagement with AI-focused stocks were weighted, which limits independent comparison of the states or replication of the ranking.
Platform activity should not be treated as a census of all investors in a state. The release does not say whether users are representative of the wider investing population, how it defines an AI-focused stock, or whether activity refers to research sessions, questions, or other interactions. The reasons behind the results—and whether AI use changed investor decisions or outcomes—remain unclear.
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Full Data and Method Details
Investing.com has directed readers to its full U.S. ranking and underlying AI Investing Index dataset. Those materials may provide additional detail on state results and methodology. The company has not announced a follow-up release or a schedule for updating the index in the material provided.
For now, the findings are a reported snapshot of activity over the study period, not a forecast of future adoption or market performance. Any fuller assessment would depend on access to the underlying data, clearer methodological details and subsequent measurements showing whether the state patterns persist.
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Key Questions
Which state ranked first for AI-related investing activity?
California ranked first in Investing.com’s overall state index, which combines AI-assisted investment research and engagement with AI-focused stocks, adjusted for audience size.
Which states followed California?
Ohio and Colorado tied for second, followed by Florida in fourth and Texas in fifth, according to the ranking.
Which states led in the index’s two activity categories?
Florida had the highest reported AI-assisted research activity, while Pennsylvania led in engagement with AI-focused stocks.
Does the ranking show that AI improves investment returns?
No. The index reports user activity, not investment performance. It does not establish whether AI use improved decisions or returns. Investments carry risk, including the risk of loss.
How long a period did the index cover?
Investing.com says it analyzed 12 months of user activity, but its release does not specify the exact start and end dates.
Source: primary
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