You could also try Market Profile to show support and resistance.
http://www.r-5.org/files/books/trading/charts/market-profile/CBOT-Market_Profile-EN.pdf
"Support/resistance points are the low volume prices at the end of
one distribution and at the beginning of another such as tops and
bottoms of value areas, new beginnings within a session and unfair
price areas in a longer-term time frame."