For a number of years Copenhagen-based Saxo Bank has compiled a list of outrageous forecasts to provide a counterweight to the more predictable conventional forecasts produced by other investment banks and market forecasters.

Saxo’s predictions are not the bank’s official forecasts. But they do provide a timely reminder to investors to consider all potential outcomes, including those that seem far fetched.

Furthermore, as Saxo can point out with some justification, s...