The maximum number of pending orders is 50, with a maximum total of 1,000 orders (sum of open and pending orders).
The maximum number of simultaneous orders, including pending and market orders, will depend on whether the trading account is based on MT4 or MT5. The number of each pending order and market order for the MT4 trading account is limited to 1000. The MT5 trading account has no limit on the number of orders placed in the real account, while the demo account can place up to 1,000 orders.
This gives the Standard account an advantage over the Standard Cent account in terms of potential trading volume.