Learning Center
Stock Market Concepts
Learn core market mechanics like float, shares outstanding, relative volume, volatility, squeezes, days to cover, margin calls, market makers, and trading halts — explained for active traders.
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What Is Float?
Learn what float is, how it differs from shares outstanding, and why it matters for liquidity and volatility.
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Shares Outstanding vs Float
Compare shares outstanding and float, and learn what each number signals about liquidity and volatility.
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What Is Relative Volume?
Learn what relative volume means and how traders use it to spot unusually active stocks.
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What Is Volatility?
Learn what volatility means, how it’s measured, and how traders adjust risk around changing volatility.
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What Is a Short Squeeze?
Learn what triggers short squeezes and how covering demand can accelerate price moves.
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What Is a Gamma Squeeze?
Learn how option hedging can amplify upward moves and create a gamma squeeze dynamic.
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What Is Days to Cover?
Learn how days to cover is calculated and why it matters for short squeeze risk and liquidity.
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What Is a Margin Call?
Learn what triggers margin calls, how brokers enforce them, and how traders reduce forced-liquidation risk.
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What Are Market Makers?
Understand how market makers provide liquidity, set spreads, and influence execution quality.
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What Are Trading Halts?
Learn why trading halts occur and how they impact orders, liquidity, and risk during fast markets.
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