TEVA bites me (again)

TEVA has decisively broke out above resistance today. I reacted by buying in some call spreads (some 45-50 and 45-47.5) and tried to exit the entire trade. I was delta neutral-ish when trying to close the trade, so I wasn't in a hurry. Or more to the point, I wasn't in a hurry to give the market makers a bunch of free money. Unfortunately, I coulnd't unwind the trade without caving in more than a nickel on my 42.5-45 call spreads. So I didn't take off the trade today. Mostly delta neutral, positive theta, and weekend time decay around the corner. As long as TEVA doesn't tank tomorrow, I can wait to get a better fill to close this trade (for a loss).

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This morning's excitement started with COST gapping down at the open. Two days ago it was at my upper breakeven and I did a small adjustment accordingly. Today's gap down and subsequent plunge to 46.25 (4.6% drop) caused me to go from delta neutral and no loss, to -17% and nearly 400 delta. I tried not to panic and wait a few minutes to see what was going to happen with the market and COST. The market was up, so I was hoping COST was going to follow suit. And it slowly kept climbing, preventing a need for an adjustment, climbing back to 47.87 for a close, putting back at no loss and only 80 delta long. Whew!
That's enough excitement for one day.