Compared to EM1O these seem risky to me. EM1O trading at 1.5c, with strike of 2c. The current EM1 SP is 3.3c (has previously been <EM1O + 2c). Sorry for the blatant EM1 mention, but that's what I'm comparing this to.
I'd prefer to buy EN1 than EN1O, to even make the options worthwhile exercising, the SP would need to be significantly >25c IMO. When the options were released, at 4c, the SP was 25c.
EN1 Price at posting:
4.9¢ Sentiment: None Disclosure: Held