The PutCall data at various strikes if seen as bar graphs ( especially the ‘change’ data) can give a birds-eye view of how the open interest is building up across Put/Calls at various strikes / expirys and where the buy-sell pressure should take place at which tipping point .

all explained in our one-pic selfies –>

markets look to sustain now & can rise from here as the putcall ratio seems to be turning up again ! 🙂