I may be able to code this from one in tradestation but if one exists id prefer not re-invent the wheel. Anyone aware of a location I could find a decent code?

This has been discussed on nexusfi.com . Please try a search before asking questions. There is a default DoubleSmoothedStochastic in TOS , and below is a link to the request with a variation.

Double Stochs for TOS The faster lines look like regular exponential stochastics but don't know the settings from your chart to compare: declare lower; input over_bought = 80; input over_sold = 20; input KPeriod = 10; input DPeriod = 10; input priceH = high; input …