Yes, you can modify open orders within Chart 360 by following these steps:

Step 1: Navigate to the 'Orders' section located at the bottom of the screen and swipe left on the pending order you wish to modify.

Step 2: Tap on the modify icon to modify the order.

Step 3: Drag the limit, stoploss, and target lines to your desired prices.

Step 4: Tap the keyboard icon to enter a specific price manually.

Step 5: Adjust the quantity or lot size by using the + and - icons.

Step 6: Swipe to modify and confirm the changes.