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Calculating profits for a private fund
Thanks for the answer/comments! The time-based method was something we mooted and something I almost went with. But just to wrap this up, the method we settled on was this: Every time there is an entry or exit into the fund, we divvy out any unrealised market profits/losses according to each person's profit share (based on % of the asset purchased at buy-in) JUST BEFORE the entry/exit. These realised profits are then locked in for those particpants, and then the unrealised profits/loss counter starts at zero, we do a fresh recalculation of shareholding after the entry/exit, and then we start again. Hope this helps anyone with the same issue!