Yes, Options premium received on selling options contracts can be used to place new option buy orders. For Example, Mr. X shorted 1 lot of Nifty 18000PE trading at ₹100. The premium of ₹5000 (50 Qty*100) will be credited to his account on the same ...
A debit spread occurs when the investor buys options with a higher premium and sells options with a lower premium thereby resulting in a net premium outflow.
A credit spread occurs when the investor buys options with a lower premium and sells options with a higher premium, thereby resulting in a net premium inflow.