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  1. The Butterfly Spread

    A butterfly spread is a neutral options strategy with both limited risk and limited profit potential. The strategy involves four options contracts with the same expiration month but with three different strike prices. Using either all calls or all puts, an investor sells two options at a middle strike price, while simultaneously buying one contract at a lower and one at a higher strike price.
  2. Role Of A Market Maker

    A market maker is a firm or an individual that stands ready to buy and sell a particular security throughout the trading session to maintain liquidity and a fair and orderly market in that security. Sometimes, no one may be selling a stock that you're interested in buying, or no one may be bidding on a stock that you're trying to sell.
  3. Prisoner's Dilemma

    Learn more about this classic game theory scenario.
  4. Liquidity Vs. Solvency

    Learn about the differences between these two words and how each one is used in the stock market.
  5. Multi-Level Marketing

    Learn how to differentiate between a legitimate marketing strategy and a pyramid scheme.
  6. Unlevered Beta

    Learn about how this number provides a measure of how much systematic risk a firm's equity has compared to the market.
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