Corn future December went all the way down to Fibbo 0.618 on which it stumbled.
Stochastics are showing a bullish divergence, from the underlying future
That is a nice Buying signal
For the last 21 years, OBV has proven to be an interesting indicator for anticipating up and down cycles, often the expression of smart money going in and out.
In this specific case, decreasing OBV could show the anticipation of a down cycle for 2023
Wheat future showing a similar pattern previous 1982,1998 and 2008 crashes.
That is pure data analysis, without taking the fundamentals in account.
The 730 support level as from now is therefore highly important.