Options Foundation - Time Decay, Implied Volatility, Greeks

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课程名称:期权基础 - 时间衰减、隐含波动率、希腊字母 课程概述: 第一部分 - 时间衰减 时间衰减是期权策略中的核心要素,对高级期权策略的主要负责。期权作为“消耗”资产,每天都会贬值。买方受损于时间衰减,而卖方则从中受益。随着到期日的临近,时间衰减速度呈指数增长。时间衰减在期权买卖双方的风险/收益配置中起到平衡作用。本部分课程将深入探讨时间衰减的概念,学员将掌握时间衰减的定义、其如何有利于期权卖方、买卖方的风险与收益概述及在现实市场中应用时间衰减概念的示例。 第二部分 - 隐含波动率与期权价格 隐含波动率是期权价格中的“变数”,其重要性不容忽视。本部分将探讨波动率的几种类型,包括隐含波动率、历史波动率和未来波动率,帮助学员了解波动率如何在股市和期权中量化。隐含波动率在决定期权价格时起着关键作用。通过现实案例(如NFLX和CAT的期权),易于理解这个复杂主题,使学员能够掌握隐含波动率的影响及其与期权价格之间的关系。 第三部分 - 期权希腊字母,德尔塔、伽马、维加、希腊 希腊字母如同飞行器的仪表盘,对于期权交易至关重要。本部分将分解四种希腊字母:德尔塔(所有希腊字母之王)、伽马(静默操纵者)、希腊(期权卖方的理想)和维加(需谨慎关注)。理解希腊字母将缩短学习曲线,使学员能够熟练操作期权交易。 第四部分 - 期权市场结构、术语、做市商等 期权市场包含多个术语和关键概念,如“多头”和“空头”。本部分将介绍期权市场中的重要过程,包括行权与交割、到期系列、买卖差价、交易成本等内容。学员将了解什么是未平仓合约及其对流动性的影响,以及做市商的角色。同时,也会探讨不同类型的订单及其在投资者中的应用,最后深入讲解与期权相关的监管T保证金和投资组合保证金的计算方法。 通过这门课程,学员将全面掌握期权交易的基础知识,涵盖时间衰减、隐含波动率、希腊字母及商业市场结构等核心主题,帮助其在期权市场中做出更明智的投资决策。

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SECTION I - TIME DECAY Time decay is a pivotal component of Options strategies. In fact, time decay alone is responsible for the majority of advanced option strategies. In this part of the course, we are going to study the concept in detail. Options are "wasting" assets, and they lose value every day. The buyer gets hurt from time decay and the seller benefits from it. And time decay becomes more exponential as we approach expiry of an Option. It is also the great equalizer between the profiles of a buyer and seller of Options. Time decay is the great equalizer in the risk / reward profiles of buyers and sellers of Options. Several intermediate and advanced strategies are based on selling premium (option sellers) and these positions make a profit due to time decay in the value of these options over a period of time. What you will masterWhat is time decay and how does it benefit Option sellersA complete recap of buyer and seller risk and reward profilesWhy does the seller of Options not want movement in the StockWhy is Time decay the great equalizer between buyers and sellers of OptionsApply the concept of time decay to our real world examplesHow can we observe Time deacy in Options in the financial marketsDemonstration of time decay using AAPL Options SECTION II - IMPLIED VOLATILITY AND OPTION PRICES Implied Volatility is the "wildcard" in Option prices. Ignore it, and you will pay a price. In fact, it's so important we have at least four different varieties - Volatility, Implied Volatility, Historical Volatility, and Future or Expected Volatility. We use the real-world examples to explain the concept of Volatility in simple terms. Then we study how Volatility is quantified in Stocks and Options. And how Volatility finds a back-door to embed itself into Option prices. Implied Volatility considerations are critical when choosing between a buyer and seller profile. We break this complex topic down into simple terms and show you an example of NFLX and CAT options that should make it absolutely clear what this is all about. What you will masterHow are Option prices determined and is there an unknown variableWhy is it difficult to calculate or determine Implied Volatility of an OptionWhy is this called "implied" VolatilityHow does Implied Volatility manifest itself into Option pricesWhy is it the "wildcard" in Option pricesUnderstand a real world example of VolatilityWhat is the relationship between Option prices and Implied VolatilityHow should buyers and sellers look at Implied VolatilityAre some strategies better for high volatility situationsHow can we observe Implied Volatility in real Option prices SECTION III - OPTION GREEKS, DELTA, GAMMA, VEGA, THETA If you're the pilot of an aircraft, the Greeks are your instrument panel. If you don't manage your instrument panel properly, well...you get the picture. Understanding the Greeks are absolutely critical to every Option position. We break this course into easy to understand chapters for all the four Greeks - Delta, the king of all Greeks. Gamma - the silent operator. Theta - every Option seller's dream. And Vega - Watch out for this one.. Most beginners to Options tend to ignore the Greeks. Master the Greeks and you'll shave off months of learning curve. Not to mention, you can then fly your aircraft on "auto-pilot" (with help from the Greeks). What you will masterThe four Greeks that govern all movements in Option pricesHow each Greek individually impacts option pricesWhy Delta is the king of all GreeksWhat do we mean by directional riskHow does each Greek affect a buyer and a seller of OptionsWhy the Greeks are critical to understand your Option positionHow the Greeks impact choice of "moneyness" and expiry series SECTION IV - OPTIONS MARKET STRUCTURE, TERMINOLOGY, MARKET MAKERS AND MORE The Options market has a number of terms that we need to be aware of. Starting with terminology differences like "Long" and "Short", we look at all the details that go into the Options market. We explain the important processes like Exercise and Assignment, as well as things like Expiry series, Bid-Ask spreads, Brokerage and transaction costs and various other details. What is Open Interest and why is it important, and what is the role of a Market Maker. We study the different Order types and which ones are important for the average investor, and which ones make sense in different situations. We also discuss Regulation T Margin as it applies to Options as well as Portfolio margin. What you will masterWhat does Open Interest tell us about liquidity and what should we watch forWhat is Exercise and Assignment and how does it workWhat can Open Interest tell us about general sentiment about the stockWhat are the different Order types and which ones are the bestWhat is the role of Market Makers on the Options exchangeHow is Regulation T margin calculated and what is Portfolio margin

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