The premium for 12400 CE = 11.35
Delta of 12400 CE = -0.24
The premium for 12300 PE = 15.1
Delta of 12300 PE = 0.30
Net Credit = 26.45
Overall Delta = 0.06
Net premium received = 1983.75
A pattern can be spotted on Chart which would have been a if the price difference between Open and Close was not there so it can either be interpreted as or a but if markets open in red it acts as a confirmation.
In the US markets bulls are showing high confidence as a deal may be signed between the US and China which may affect Indian Markets.