Attached below is a link to a cmegroup.com article that goes into details of this threads title. Eia.gov and tastytrade.com also have good articles and videos on trading methodology and ideas. It is a good practice to be aware of good information sources and incorporate those methods that make sense for you into your trading plan. https://www.cmegroup.com/education/...ptions-skews-investment-signals-or-noise.html