How to Chart Daily Implied Volatility or other Greeks.
Open up an Options Window and switch it over to IV display,
right click on a strike and choose chart.
A daily chart will show three bars of history
Next change the chart to a 343 minute chart – type in 343
Now to display this as a daily line chart – go to the Setup
Button – Chart preferences – Misc tab – check the first choice concerning daily
from intraday data
Next back on the chart type in ,D to change the chart to
daily – it will take a minute or so before the chart displays with months of
Next right click on chart title bar and choose a line chart
to display the history better