Sublime

How to Approach Online Culture

Thumbnail of www-x-com-bboczeng-status-1813805287910080776

经过2个小时的研究，我们终于TMD知道什么是@ShanghaoJin 大佬提到的Gamma Exposure（GEX）首先，从科学的角度来讲，我认为这就是完完全全的名词误用。他其实根本不是Gamma Exposure，他其实是在计算Option的Delta，也就是对Gamma进行积分。这就是为什么在计算中，要将Gamma乘以正股（如SPY）价格。更进一步说，实际上它就连Delta也不算，因为单位不对。下面我们会知道，它其实是在算机构对正股每1%价格移动下的Delta Hedge，这个单位是美元其次，这也解释了为什么在所谓Gamma... See more

勃勃OC

x.com

Thumbnail of Intimations of a New Worldview

Brett Andersen • Intimations of a New Worldview

Thumbnail of www-x-com-kirkdborne-status-1850405534098178378

10-page PDF covers a semester's worth of introductory probability —⭐️The best and only #Probability Cheat Sheet that you may ever need⭐️: https://t.co/R6X98brSdo by @wzchen & @stat110 📊📈 ———— #DataScience #Statistics #Mathematics #DataLiteracy #DataScientist https://t.co/s3DlhuKIBf

Kirk Borne

x.com

One problem with all of these tests is that they are distribution-specific. For example, the Student’s t-test and the z-test require normally distributed data.

Roman Zykov • Roman's Data Science: How to monetize your data

K

Kai • 2 cards

SGE

ANDRÉ GUSTAVO XAVIER DOS SANTOS • 1 card

Ben Kuhn

keshav • 2 cards

KV

Artem Nyzhnyk • 6 cards