You can view your Available for Trading, Order Locked, and Position Locked balances at the top of your LedgerX dashboard.
Available for Trading Dollars and bitcoin available for trading.
Order Locked The amount of dollars and bitcoin locked in open orders. You can use the same dollars and bitcoin against multiple open orders.
Position Locked The amount of dollars and bitcoin locked in positions. When you close out of a short position, your locked dollars or bitcoin for that position will be unlocked.