It's a free attaching option. Not a free attaching share. It's a free option to buy a share for 12c before the expiry date. And the option will be listed (which is often not the case) which means you can sell it at what ever the market will pay you.
It's scary that there are 'investors' who don't understand the very basics.
A personalised tool to help users track selected stocks. Delivering real-time notifications on price updates, announcements, and performance stats on each to help make informed investment decisions.
(20min delay)