By the end of 2017, 27 cryptocurrencies topped a market capitalization of one billion USD. Bitcoin is still shaping market and media coverage, however, recently we faced a vibrant rise of other currencies. As a result, 2017 has also witnessed the advent of a large number of cryptocurrency-funds....

We propose a new approach that allows for incorporating qualitative views, such as ordering information, into estimates of future asset returns within the Black-Litterman model. We develop a mathematical framework and numerical computation methods for this setting. We find importance sampling to...