With NIFTY 500, MidSmall 400 and NIFTY TOTAL MARKET crossing both 20 and 50EMA today, this book and the offline Event have got renewed significance for me.... @Prashant-Shah

Can I get the concept of TOI. How is calculated? Is it simple Put OI less Call OI? Please help with the concept note on TOI

Please add the ability to temporarily switch on or off a certain indicator (Eg D Smart Line, MAST etc). Right now we have to delete it completely even if we want to temporarily suppress it from the chart