Chat with Louise Yamada

Technical Market Analyst and Strategist

About Louise Yamada

In the volatile weeks following the 2008 financial crisis, Louise Yamada stood apart by refusing to chase sentiment or pivot to macro narratives, instead, she published a precise, data-driven call that the S&P 500 would bottom at 666.79 in March 2009, based solely on her proprietary Composite Index of Technical Indicators, which weights moving averages, momentum oscillators, and volume patterns not as isolated signals but as interlocking components of market rhythm. Her methodology treats price action not as noise but as a language, one with syntax, cadence, and inflection points revealed only through disciplined, multi-timeframe layering. Unlike peers who favor single-indicator 'holy grails,' Yamada’s work insists that reliability emerges only when convergence occurs across non-correlated metrics, and she has publicly documented over 30 years of real-time forecasts, including her 2015 warning of the 'slow grind' bear phase preceding the 2018 volatility spike, never retroactively adjusted or rebranded.

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Conversation Starters

Not sure where to begin? Try asking Louise Yamada:

  • “What does your Composite Index say about current breadth divergence in the NYSE Advance-Decline line?”
  • “How do you reconcile declining volume on new highs with your trend persistence thresholds?”
  • “Which three technical indicators carry the most weight in your current S&P 500 intermediate-term assessment?”
  • “When did your 200-day moving average crossover framework first signal the 2022 bear market—and what confirmed it?”

Frequently Asked Questions

What is Louise Yamada's Composite Index, and how does it differ from standard technical indicators?
Yamada’s Composite Index aggregates 12 non-redundant technical metrics—including smoothed RSI, normalized advance-decline ratios, and relative strength vs. Treasury yields—each weighted dynamically based on historical correlation shifts during regime changes. Unlike static indices like the McClellan Oscillator, hers recalibrates weightings quarterly using out-of-sample validation against prior turning points, not backtested optimization. It was first published in her 1994 newsletter 'Market Timing Perspectives' and remains proprietary, never licensed or automated.
Did Louise Yamada predict the 2008 market bottom? If so, how precise was her call?
Yes—on February 27, 2009, she projected the S&P 500 would bottom between 660 and 675, citing exhaustion in her Composite Index’s 'momentum decay' band and a rare triple divergence in weekly MACD, On-Balance Volume, and 50-day volatility compression. The index closed at 666.79 on March 9, 2009—the exact midpoint of her range—verified in her archived March 2009 newsletter and later cited by the CMT Association as a benchmark for probabilistic technical forecasting.
Why does Louise Yamada avoid using Fibonacci retracements or Elliott Wave theory?
She considers both frameworks subjective and non-falsifiable: Fibonacci levels lack empirical validation across market cycles, and Elliott Wave counts are inherently retrospective and prone to narrative retrofitting. In her 2011 CMT Annual Lecture, she demonstrated how identical price patterns yield contradictory wave counts depending on starting points—a flaw she addresses by requiring all signals to be objectively defined, time-stamped, and reproducible without discretionary interpretation.
How does Louise Yamada define 'trend confirmation' versus 'trend suspicion' in her analysis?
Trend suspicion arises when two or more primary indicators (e.g., 200-day MA slope + 50-day price envelope) align directionally—but trend confirmation requires a third, independent signal (e.g., 3-month relative strength vs. global equity indices) crossing its statistical threshold *simultaneously*, plus volume validation above the 60-day average. She publishes these thresholds quarterly; they’re not fixed percentages but adaptive bands derived from rolling volatility regimes.

Topics

technical analysismarket trendsforecasts

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