I don't agree with the valuation based on dividends because the value of SELLING would be the same even if it paid no dividends.
If SELLING paid no dividends at all, what would be the point of buying it?
It has to be remembered that if/when difficulty levels off the fund will likely end with a final distibution in which MINING will receive at LEAST 90% of remaining capital
This bit always confuses me.
If MINING would get the bulk of the liquidation, why would SELLING vote for closing the fund?
Unless you imply difficulty would have skyrocketed so much that 365 days of dividends would be a negligible part of the capital, and in that case SELLING would still get most of it...
The scenario I discuss is one where difficulty stops rising or rises slower than dividends are paid out to MINING. In that circumstance the number of days cover after each difficulty rise would be LESS than after the previous difficulty change - meaning no dividends ever again for SELLING. In that situation SELLING has to (rationally) vote for closure before the number of days (of dividend payment) cover reduces below 365 and they receive absolutely nothing.
As capital can never exceed 410 days cover (or it would have been dividended out) the maximum SELLING can receive on closure is 45 days of MINING dividends (with MINING receiving 365). That would mean SELLING received just under 11% of remaining capital - hence my reference to MINING receiving at least 90% (as in practice it's unlikely that a maximum payment for SELLING would occur).
Under current conditions that seems highly unlikely - but if/when ASIC adoption nears saturation we could easily go back to sub-3% growth where it becomes a reality. In practice I'd expect such a change to be gradual - and evident from a gradual increase in MINING's value (as a percentage of PURCHASE).
Short version is that if you look at what happens on closure you'll see that MINING always gets most (or all) of what's left. Unless you believe the fund will run forever that means at some point MINING will receive most (or all) of what's left. If you believe that end point is in the short/mid term then it should have a significant impact on how you value the securities. If you believe it won't arise until difficukty is order(s) of magnitude larger then you can discount it for practical purposes as the residual capital (per share) by then will be trivial compared to current value.