With an expiration date of February 16, 2013, I sold a $ 21 put for $ 0.46 per share, resulting in a net premium of $ 40.34 with total trading costs of $ 5.66. (writeyourownreality.com)
Servicing funds, banks, brokerages, asset managers and proprietary trading firms, LMAX Exchange Group offers an anonymous, regulated, rules - based trading environment, order execution in strict price / time priority, and access to real - time streaming market and trade data, enabling all market participants to control execution quality and total trading costs. (fxweekaustralia.com)
In case an order regarding a security is split, and filled partially over a period of more than one day, the total trading costs may increase. (home.saxo)