That 'guidance' isn't clear, as its quite frequent that when a hard fork occurs, there's speculation on the value of the new chain before the split, and high vo

That 'guidance' isn't clear, as its quite frequent that when a hard fork occurs, there's speculation on the value of the new chain before the split, and high volatility after the split. In a number of cases, there aren't actually functional markets allowing price discovery for the new chain; thus the IRS hasn't yet given any guidance on establishing a new chain's cost basis.