Have you used Sterlings Complex Options Order Entry, I am not referring to the DMA platform...part of the platform
commissions:....>TOS is TOO high, 12.95 minimum.
Autoshares provides custom spread trading, two legged, three legged, four legged. etc. The platform is Sterling Trader and can be found here: https://www.autoshares.com/options-trading-platforms
Complex Options Order Entry Video...