Mutualism can take on many forms: Symbiosis: in which both organisms live together in closely proximity, and in which both generally derive benefit. The relationship is obligate, meaning at least one of the species must be involved in the relationship to survive.
Lowest Option Commission. Lightspeed Trading offers low commissions on options, allowing both occasional and frequent traders to take advantage of competitively-priced options. While the standard fee is an already low $0.60 per contract, active traders who trade more than 500 contracts per month will qualify for even lower rates. Those who trade in excess of 100,000 contracts per month will pay merely $0.20 per contract.
1 Most discount brokers charge anywhere from $7 to $10 for stock trades. 2  At just $3.95 per stock trade, OptionsHouse is the cheapest online broker going. 3  You wonât find any other brokers that offer real time trading for such a low price. 4  This price is even cheaper than Sharebuilder. OptionsHouse gives traders the ability to choose from 2 distinct fee structures for options trading. 2  Traders can pay a flat fee of $1 per trade for each options contract or pay an $8.50 flat rate and 15 cents per contract. 3  OptionsHouse Mobile Trading Platform.