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A stock index is a single number that summarizes the price action of a basket of companies. The S&P 500 tracks roughly 500 large US firms, the Nasdaq-100 tracks the 100 largest non-financial names on the Nasdaq exchange, and the Dow Jones Industrial Average follows 30 blue-chip stocks.
The Greeks explain why an option costs what it costs and how that price changes when the stock moves, time passes, and volatility shifts. Delta, Gamma, Theta, and Vega, made accessible.
Chart patterns are the most recognizable part of technical analysis and the most misunderstood. Most fail or break out the wrong way before reversing. This guide covers head and shoulders, double tops and bottoms, triangles, and flags — with realistic reliability, target measurement, and false-breakout confirmation.
Chaque trader a une stratégie qui semble excellente dans sa tête. Le backtesting est la façon de découvrir si cela fonctionne réellement. Voici comment tester les stratégies correctement, quelles métriques comptent et pourquoi la plupart des résultats de backtesting sont trop beaux pour être vrais.