{"id":28244,"date":"2026-03-23T19:37:18","date_gmt":"2026-03-23T11:37:18","guid":{"rendered":"https:\/\/www.finmail.com\/?p=28244"},"modified":"2026-03-24T21:51:32","modified_gmt":"2026-03-24T13:51:32","slug":"case-study-using-finmail-chat-ai-for-us-market-analysis","status":"publish","type":"post","link":"https:\/\/www.finmail.com\/es\/blog\/ai-market-lab\/case-study-using-finmail-chat-ai-for-us-market-analysis\/","title":{"rendered":"Case Study: Using Finmail Chat AI for US Market Analysis"},"content":{"rendered":"

Question<\/h2>\n\n\n\n

Could you please use Euler’s formula to analyze the latest US market?<\/p>\n\n\n\n

AI’s Answer<\/h2>\n\n\n\n

Applying Euler’s Formula\u2014ei\u03b8<\/sup>=cos\u2061(\u03b8)+isin\u2061(\u03b8)<\/strong>\u2014to the stock market allows us to view the current “bearish and cautious” climate not just as a series of news events, but as a complex system in rotation.<\/strong><\/p>\n\n\n\n

In this mathematical analogy for Monday, March 23, 2026<\/strong>, we can treat the market as a rotating vector in a complex plane.<\/p>\n\n\n\n

1. The Real Component: porque<\/mi>\u2061<\/mo>(<\/mo>\u03b8<\/mi>)<\/mo><\/mrow><\/semantics><\/math> (The Fundamentals and Technicals)<\/h3>\n\n\n\n

The real part of Euler\u2019s formula represents the observable, “tangible” price action and the technical floor.<\/p>\n\n\n\n

    \n
  • The Current State:<\/strong> With the S&P 500 breaking below its 200-day moving average<\/strong>, the “Real” value is moving into negative territory on our unit circle.<\/li>\n\n\n\n
  • The Analysis:<\/strong> If 0 degrees represents a market peak, we have rotated past 9<\/mn>0<\/mn>\u2218<\/mo><\/msup><\/mrow><\/semantics><\/math> (\u03c0<\/mi>\/<\/mi>2<\/mn><\/mrow><\/semantics><\/math>) and are approaching 18<\/mn>0<\/mn>\u2218<\/mo><\/msup><\/mrow><\/semantics><\/math> (\u03c0<\/mi><\/mrow><\/semantics><\/math>). At \u03c0<\/mi><\/mrow><\/semantics><\/math>, porque<\/mi>\u2061<\/mo>(<\/mo>\u03b8<\/mi>)<\/mo>=<\/mo>\u2212<\/mo>1<\/mn><\/mrow><\/semantics><\/math>. This represents the “technical breakdown” where the momentum is now diametrically opposed to the previous year\u2019s growth. The $112 Brent crude price acts as a friction coefficient, slowing down any potential recovery in the real component.<\/li>\n<\/ul>\n\n\n\n

    2. The Imaginary Component: i<\/mi>pecado<\/mi>\u2061<\/mo>(<\/mo>\u03b8<\/mi>)<\/mo><\/mrow><\/semantics><\/math> (Sentiment and Geopolitical Volatility)<\/h3>\n\n\n\n

    In finance, the “imaginary” axis represents the factors that aren’t yet realized in earnings reports but dominate the psychology<\/strong> of the market\u2014fear, speculation, and “risk-off” sentiment.<\/p>\n\n\n\n

      \n
    • The Current State:<\/strong> El US-Iran conflict<\/strong> and the threats regarding the Strait of Hormuz<\/strong> have pushed the “Imaginary” component (i<\/mi>pecado<\/mi>\u2061<\/mo>\u03b8<\/mi><\/mrow><\/semantics><\/math>) to its maximum amplitude.<\/li>\n\n\n\n
    • The Analysis:<\/strong> High geopolitical tension creates “oscillation.” Because pecado<\/mi>\u2061<\/mo>(<\/mo>\u03b8<\/mi>)<\/mo><\/mrow><\/semantics><\/math> governs the cycles of fear, we are seeing the “imaginary” volatility dictate the market\u2019s direction more than the “real” underlying corporate earnings. The 1,500-point dive in the Sensex is a classic example of “imaginary” contagion\u2014fear of what might<\/em> happen to global trade routes.<\/li>\n<\/ul>\n\n\n\n

      3. The Exponential Decay: e<\/mi>i<\/mi>\u03b8<\/mi><\/mrow><\/msup><\/mrow><\/semantics><\/math> vs. e<\/mi>\u2212<\/mo>r<\/mi>t<\/mi><\/mrow><\/msup><\/mrow><\/semantics><\/math><\/h3>\n\n\n\n

      In a broader financial context, Euler’s formula is the heart of the pricing for derivatives and continuous compounding. However, when we include rising Treasury yields<\/strong>, we introduce a decay factor.<\/p>\n\n\n\n

        \n
      • The Analysis:<\/strong> Usually, we want the market to grow at e<\/mi>r<\/mi>t<\/mi><\/mrow><\/msup><\/mrow><\/semantics><\/math>. But with yields climbing, the “discount rate” (r<\/mi><\/mrow><\/semantics><\/math>) is increasing. This acts as a mathematical weight on the “e” (the base of natural growth).<\/li>\n\n\n\n
      • The Result:<\/strong> The “magnitude” of our market vector is shrinking. As interest rates stay “higher for longer,” the radius of the circle (A<\/mi><\/mrow><\/semantics><\/math>) in A<\/mi>e<\/mi>i<\/mi>\u03b8<\/mi><\/mrow><\/msup><\/mrow><\/semantics><\/math> is contracting. This is why high-growth technology valuations are under pressure\u2014their “future value” is being eroded by the higher denominator in the exponential function.<\/li>\n<\/ul>\n\n\n\n

        4. Seeking “Euler’s Identity”: e<\/mi>i<\/mi>\u03c0<\/mi><\/mrow><\/msup>+<\/mo>1<\/mn>=<\/mo>0<\/mn><\/mrow><\/semantics><\/math><\/h3>\n\n\n\n

        Euler\u2019s Identity is often called the most beautiful formula because it reaches a state of perfect balance (zero) from complex parts.<\/p>\n\n\n\n

          \n
        • Market Application:<\/strong> Currently, the market is searching for its own “Identity”\u2014the point of equilibrium where the “Real” crash (porque<\/mi>\u2061<\/mo>\u03b8<\/mi><\/mrow><\/semantics><\/math>) and the “Imaginary” fear (i<\/mi>pecado<\/mi>\u2061<\/mo>\u03b8<\/mi><\/mrow><\/semantics><\/math>) find a floor.<\/li>\n\n\n\n
        • Conclusion:<\/strong> We are currently at a phase angle (\u03b8<\/mi><\/mrow><\/semantics><\/math>) where the “Real” technicals are negative and the “Imaginary” fear is high. Until the “Real” component (energy prices and inflation) stabilizes, the vector will continue to rotate through this lower-left quadrant of the complex plane\u2014the “Bear Market” quadrant.<\/li>\n<\/ul>\n\n\n\n

          The “Euler” Summary for March 23, 2026:<\/strong> The market is currently in a Phase Shift<\/strong>. We have rotated out of the positive Real axis (Growth) and are being driven by the Imaginary axis (Geopolitical Fear). Until the “r” (interest rates\/inflation) decreases, the exponential growth of the US market remains “complex” and suppressed.<\/p>\n\n\n\n

          \n\n\n\n

          Question<\/h2>\n\n\n\n

          What’s Euler’s formula?<\/p>\n\n\n\n

          AI’s Answer<\/h2>\n\n\n\n

          Euler\u2019s Formula<\/strong> is often called the most beautiful and profound formula in mathematics. It establishes a fundamental relationship between trigonometric functions and complex exponential functions.<\/p>\n\n\n\n

          The formula is:<\/p>\n\n\n\n

          e<\/mi>i<\/mi>\u03b8<\/mi><\/mrow><\/msup>=<\/mo>porque<\/mi>\u2061<\/mo>(<\/mo>\u03b8<\/mi>)<\/mo>+<\/mo>i<\/mi>pecado<\/mi>\u2061<\/mo>(<\/mo>\u03b8<\/mi>)<\/mo><\/mrow><\/semantics><\/math>The Breakdown of the Components:<\/p>\n\n\n\n
            \n
          • e<\/strong>: The base of the natural logarithm (approximately 2.71828), which represents continuous growth.<\/li>\n\n\n\n
          • i<\/strong>: The imaginary unit, defined as \u2212<\/mo>1<\/mn><\/mrow><\/msqrt><\/mrow><\/semantics><\/math>.<\/li>\n\n\n\n
          • \u03b8<\/strong>: The angle (expressed in radians) that you are looking at.<\/li>\n\n\n\n
          • cos\u2061(\u03b8)<\/strong>: The “Real” part of the coordinate.<\/li>\n\n\n\n
          • sin\u2061(\u03b8)<\/strong>: The “Imaginary” part of the coordinate.<\/li>\n<\/ul>\n\n\n\n

            What does it actually mean?<\/h3>\n\n\n\n

            While it looks like abstract algebra, it is best understood through geometry<\/strong>.<\/p>\n\n\n\n

              \n
            1. The Complex Plane:<\/strong> Imagine a graph where the horizontal axis represents Real numbers<\/strong> and the vertical axis represents Imaginary numbers<\/strong> (i<\/mi><\/mrow><\/semantics><\/math>).<\/li>\n\n\n\n
            2. The Unit Circle:<\/strong> Euler\u2019s formula describes a circle with a radius of 1.<\/li>\n\n\n\n
            3. Rotation:<\/strong> When you multiply a number by e<\/mi>i<\/mi>\u03b8<\/mi><\/mrow><\/msup><\/mrow><\/semantics><\/math>, you are essentially taking a point and rotating it<\/strong> around the center of the graph by the angle \u03b8<\/mi><\/mrow><\/semantics><\/math>.<\/li>\n<\/ol>\n\n\n\n

              Instead of thinking of growth as a straight line (like e<\/mi>x<\/mi><\/msup><\/mrow><\/semantics><\/math>), Euler\u2019s formula shows that when growth is multiplied by the imaginary unit (i<\/mi><\/mrow><\/semantics><\/math>), it becomes circular or oscillatory.<\/strong><\/p>\n\n\n\n

              The Famous Special Case: Euler\u2019s Identity<\/h3>\n\n\n\n

              When you set \u03b8<\/mi><\/mrow><\/semantics><\/math> a \u03c0<\/mi><\/mrow><\/semantics><\/math> (180 degrees), the formula produces what is known as Euler\u2019s Identity<\/strong>:<\/p>\n\n\n\n

              e<\/mi>i<\/mi>\u03c0<\/mi><\/mrow><\/msup>+<\/mo>1<\/mn>=<\/mo>0<\/mn><\/mrow><\/semantics><\/math>Mathematicians love this because it links the five most important constants in mathematics into one simple equation:<\/p>\n\n\n\n
                \n
              • 0 and 1<\/strong>: The foundations of arithmetic.<\/li>\n\n\n\n
              • e<\/strong>: The king of calculus and growth.<\/li>\n\n\n\n
              • i<\/strong>: The foundation of complex numbers.<\/li>\n\n\n\n
              • \u03c0<\/strong>: The king of geometry and circles.<\/li>\n<\/ul>\n\n\n\n

                Why is it used in Finance or Physics?<\/h3>\n\n\n\n

                As we discussed in the market analysis for March 2026, Euler\u2019s Formula is used whenever something cycles or oscillates<\/strong>.<\/p>\n\n\n\n

                  \n
                • In Physics:<\/strong> It describes sound waves, alternating current (AC) in electricity, and quantum mechanics.<\/li>\n\n\n\n
                • In Finance:<\/strong> It is used in the pricing of derivatives (like options) and in “Fourier Transforms” to extract cycles from messy stock market data. It allows analysts to separate the “Real” trend (the direction) from the “Imaginary” noise (the volatility).<\/li>\n<\/ul>\n\n\n\n

                  “Disclaimer: These reports are generated by Finmail AI for informational purposes only and do not constitute financial advice. AI-generated data may contain inaccuracies. Please consult with a professional advisor before making investment decisions.”<\/em><\/p>","protected":false},"excerpt":{"rendered":"

                  Question Could you please use Euler’s formula to analyze the latest US market? AI’s Answer Applying Euler’s Formula\u2014ei\u03b8=cos\u2061(\u03b8)+isin\u2061(\u03b8)\u2014to the stock market allows us to view the current “bearish and cautious” climate not just as a series of news events, but as a complex system in rotation. In this mathematical analogy for Monday, March 23, 2026, we can […]<\/p>\n","protected":false},"author":1,"featured_media":28237,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[939],"tags":[940],"class_list":["post-28244","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai-market-lab","tag-market-analysis"],"_links":{"self":[{"href":"https:\/\/www.finmail.com\/es\/wp-json\/wp\/v2\/posts\/28244","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.finmail.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.finmail.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.finmail.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.finmail.com\/es\/wp-json\/wp\/v2\/comments?post=28244"}],"version-history":[{"count":2,"href":"https:\/\/www.finmail.com\/es\/wp-json\/wp\/v2\/posts\/28244\/revisions"}],"predecessor-version":[{"id":28265,"href":"https:\/\/www.finmail.com\/es\/wp-json\/wp\/v2\/posts\/28244\/revisions\/28265"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.finmail.com\/es\/wp-json\/wp\/v2\/media\/28237"}],"wp:attachment":[{"href":"https:\/\/www.finmail.com\/es\/wp-json\/wp\/v2\/media?parent=28244"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.finmail.com\/es\/wp-json\/wp\/v2\/categories?post=28244"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.finmail.com\/es\/wp-json\/wp\/v2\/tags?post=28244"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}