When moving an Inserted Graph, you can right click to display the context menu from where you can access Place Graph options.

Cancel Move

Use this option to cancel move.

Finish Here

Use this option to release the Graph in its current position, or double click to finish.

Moving the Graph onto Grid

Use the Change Grid option to move the Graph onto its respective selected grid.

Each selected Graph will move onto the closest point of their grid.

Inserted Graph | Properties Inserted Graph | Spice Simulator