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Nov 13, 2020 at 9:10 vote accept mbz0
Nov 11, 2020 at 21:59 answer added Con Fluentsy timeline score: -1
Nov 6, 2020 at 15:06 comment added user42108 Googling 'how to calculate close to close volatility' answers the first part of your question (e.g. portfolioslab.com/tools/close-to-close-volatility). For O-C, just calculate the returns using open and close on the same day. Not sure why this merits posting a question...
Nov 5, 2020 at 18:26 history asked mbz0 CC BY-SA 4.0