I played CCU this past month and lost some money on it.
I bought hoping the deal would not happen, then everything was in the direction that the deal would happen, so I sold at loss to avoid to lose everything with volatility at zero then 2 days later the deal has been canned.
Oh well (I have never been good at speculative trades, and I decided to stop those, I guess until next time

).
First thing to notice is that this trade is hugely volatile and as such do not expect to get the trade at midpoint. It's very hard to get in and very hard to get out.
I don't want to touch this stock anymore

, but what you can do is maybe do one trade that will maximize at $39.20 with zero volatility (hoping that if the deal is done doesn't change the price, if I were the buyer I would actually not buy this stock at $39 anymore given the condition, I would just wait the bank to bail out so I have an excuse to renegotiate the price). Then you could another trade that will give you good return on $22 - $25 with a dropping volatility. I don't know if you can have a positive outlook with the 2 trades together though.
Maybe the simplest is to do standard directional trade (buy OTM call and put) but I did not look at these since a couple of weeks ago.