Over the timescale between the date of purchase and date of sale.
But how would an opportune time to sell shares to the most benefit of the investors be determined? Without knowledge of the specific details of the investment or the agreement between ID and CT, and judging upon 297's comment, I believe it's safe to assume we're in the red in regard to CT share value. So what you proposed was to wait and hope for Cointerra to assume a mining market dominance.
My argument was that I didn't see the risk worth the reward in waiting as I believed any potential appreciation in the value of the CT shares would largely be as a result of an increase in btc price as opposed to an advancement of Cointerra itself. Even if the USD value of the shares increase, the quantity of BTC those USD can purchase once those shares are finally sold are likely to remain roughly the same.
Since we're hloding plenty of BTC, the CT stock makes a good hedge.
I'm not saying it was necessarily a bad hedge, but I wouldn't call it a good one either.