The 0.007 strike price for oppies only comes into play if you convert them to heads. You can trade the oppies without paying the strike price, so at 0.003 for the oppies, you have a 100% gain at just 0.006.
Plenty of leverage on oppies with expiry dec 2019
DDD Price at posting:
0.7¢ Sentiment: None Disclosure: Not Held