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期权希腊值：你需要了解的知识
希腊字母
Delta – 一个期权的delta是指相对于其基础安全资产价格的价格变动率。一个期权的delta值范围从0.0到1.00（看涨期权为0到-1.00），反映了期权价格对基础资产价格1个点变动的增加或减少。
用于衡量合同价格从1美元变动的变化。也用于衡量期权合约过期为“虚值”（实值）。例如，delta值为0.40可以被看作是40%的虚值过期概率。
Gamma – 一个期权的gamma是对其delta变化率的测量。期权的gamma表示为一个百分比，反映了对基础股票价格1个点变动的delta变化。
用于衡量基础资产（股票、etf等）1美元变动时delta的变化。如果基础资产再额外变动1美元，那么delta将等于delta + gamma的总和。第一个美元的变动后，同方向的任何额外变动都会使delta的价值增加gamma的金额。
例如，XYZ 100 12/31/20 看涨期权价值为1.00美元，delta为0.50，gamma为0.05。
XYZ的价格上涨1美元，合同的新价格变为1.50美元。
XYZ的价格再上涨1美元，这时我们将delta和gamma相加以获得新价值。（1.00...
希腊字母
Delta – 一个期权的delta是指相对于其基础安全资产价格的价格变动率。一个期权的delta值范围从0.0到1.00（看涨期权为0到-1.00），反映了期权价格对基础资产价格1个点变动的增加或减少。
用于衡量合同价格从1美元变动的变化。也用于衡量期权合约过期为“虚值”（实值）。例如，delta值为0.40可以被看作是40%的虚值过期概率。
Gamma – 一个期权的gamma是对其delta变化率的测量。期权的gamma表示为一个百分比，反映了对基础股票价格1个点变动的delta变化。
用于衡量基础资产（股票、etf等）1美元变动时delta的变化。如果基础资产再额外变动1美元，那么delta将等于delta + gamma的总和。第一个美元的变动后，同方向的任何额外变动都会使delta的价值增加gamma的金额。
例如，XYZ 100 12/31/20 看涨期权价值为1.00美元，delta为0.50，gamma为0.05。
XYZ的价格上涨1美元，合同的新价格变为1.50美元。
XYZ的价格再上涨1美元，这时我们将delta和gamma相加以获得新价值。（1.00...
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$AMC院线 (AMC.US)$
有人能解释一下为什么我应该将卖出限额设置为 1000，而不是像 100 这样更合理的限额。说实话，我支持你们所有人并坚持下去，但如果可能的话，我想澄清一下。
做空者真的会被迫以0.1万的价格买入我的股票来弥补空头吗？我知道事情在炒作，但我确实很好奇。
有人能解释一下为什么我应该将卖出限额设置为 1000，而不是像 100 这样更合理的限额。说实话，我支持你们所有人并坚持下去，但如果可能的话，我想澄清一下。
做空者真的会被迫以0.1万的价格买入我的股票来弥补空头吗？我知道事情在炒作，但我确实很好奇。
已翻译
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**Trader Tip**
Starting out, strategy matters more.
Over time, psychology is the difference.
There is a way to experience difficult emotions as something other than pain and suffering.
Gratitude shouldn’t just be a reminder.
It should be a default mental state.
🚨🚨🚨📣📣📣💰💰🚨🚨💰💰🚨🚨📣 $Sonoma Pharmaceuticals (SNOA.US)$ $蔚来 (NIO.US)$ $vTv Therapeutics (VTVT.US)$ $美国航空 (AAL.US)$ $NantHealth (NH.US)$ $GE航天航空 (GE.US)$ $迪士尼 (DIS.US)$
Starting out, strategy matters more.
Over time, psychology is the difference.
There is a way to experience difficult emotions as something other than pain and suffering.
Gratitude shouldn’t just be a reminder.
It should be a default mental state.
🚨🚨🚨📣📣📣💰💰🚨🚨💰💰🚨🚨📣 $Sonoma Pharmaceuticals (SNOA.US)$ $蔚来 (NIO.US)$ $vTv Therapeutics (VTVT.US)$ $美国航空 (AAL.US)$ $NantHealth (NH.US)$ $GE航天航空 (GE.US)$ $迪士尼 (DIS.US)$
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$TSLA, -5.59%, which had gained more than 4% after an upbeat post-shareholder-meeting presentation, went down as soon as Chief Executive Elon Musk said that some of the innovations showcased at the event were “close to working” and some three years away from fruition. Shares were recently down 6.8% in the extended session....
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