For every 4 shares you purchased under the entitlement offer you received 1 free option, so there won't be a purchase price on those options. They are tradeable but they need to be exercised at 2.5 cents before December 2018 to become fully paid ordinary shares. If they aren't exercised before December 2018 they will lapse and cease to exist.
BSM Price at posting:
1.6¢ Sentiment: Buy Disclosure: Held
