Add training workflow, datasets, and runbook
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Supply and Demand: Not Just a Good
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Idea, It’s the Law!
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Options are an excellent vehicle for speculation. However, the existence of
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the options market is better justified by the primary economic purpose of
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options: as a risk management tool. Hedgers use options to protect their
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assets from adverse price movements, and when the perception of risk
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increases, so does demand for this protection. In this context, risk means
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volatility—the potential for larger moves to the upside and downside. The
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relative prices of options are driven higher by increased demand for
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protective options when the market anticipates greater volatility. And option
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prices are driven lower by greater supply—that is, selling of options—when
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the market expects lower volatility. Like those of all assets, option prices
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are subject to the law of supply and demand.
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When volatility is expected to rise, demand for options is not limited to
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hedgers. Speculative traders would arguably be more inclined to buy a call
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than to buy the stock if they are bullish but expect future volatility to be
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high. Calls require a lower cash outlay. If the stock moves adversely, there
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is less capital at risk, but still similar profit potential.
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When volatility is expected to be low, hedging investors are less inclined
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to pay for protection. They are more likely to sell back the options they may
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have bought previously to recoup some of the expense. Options are a
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decaying asset. Investors are more likely to write calls against stagnant
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stocks to generate income in anticipated low-volatility environments.
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Speculative traders will implement option-selling strategies, such as short
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strangles or iron condors, in an attempt to capitalize on stocks they believe
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won’t move much. The rising supply of options puts downward pressure on
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option prices.
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Many traders sum up IV in two words: fear and greed . When option
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prices rise and fall, not because of changes in the stock price, time to
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expiration, interest rates, or dividends, but because of pure supply and
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demand, it is implied volatility that is the varying factor. There are many
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contributing factors to traders’ willingness to demand or supply options.
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Anticipation of events such as earnings reports, Federal Reserve
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