For now, I was just going to generate .t6 files with prices set to 0 when the data runs out, since price(0) == 0 can be checked from the script.
Actually, that doesn't work because Zorro gives Warning 035: Price gap, and uses the last real price ignoring the zeros.
In case someone is interested in the kludge I used to detect the end of the historical data then I am happy to share it here.
