English to Russian Bus/Financial Finance (general) торговые платформы

Добрый вечер!

В статье идет речь о бесплатных и платных платформах для торговли фьючерсами. Пользователи платных платформ получают доступ к функциям, которых нет в бесплатной версии.

Some platforms charge a monthly fee, but many upgraded ones charge a usage fee on a per-side basis. This means that a set fee is charged to the trading account each time a trade is executed. I have witnessed fees ranging from as high as $1.50 per side to as low as $0.15. The brokerage firm often subsidizes platform costs that fall on the lower end.
I have found the functionality difference between platforms charging a fee on the high end of the price range relative to the low end is minimal. The higher-priced platforms tend to offer automated system trading and development to justify higher fees while others charge higher transaction fees, claiming to offer faster server communication. For those not developing and implementing proprietary systems or scalping small intraday price moves, less costly platforms are often recommended.

Как бы это получше выразить?

Спасибо.