bgd trading options again

Here's a question...There seems to be a large disparity between the bid and the ask on Boulder Options (.011 opposed to .037). Always odd looking numbers of orders seem to go thru on the options in the last few months. I don't want to pay top dollar, even though I think at these prices they are cheap, but if I want a sizable order to go thru, what price range, max, should I be looking to place if I want the order to go thru? Any BGDO options traders out there?

My intent, actually would be more to convert them to regular shares as opposed to buying and selling them on a short term profit. So, do options orders only get partially filled? Is that why I am seeing strange order counts? Or do people really make bids for say 11,236 options at a time?