It is possible to hedge this risk as follows.
Take the HBD you get and instead of selling it for HIVE, sell it for another stablecoin or fiat (one you trust to hold value for 3.5 days). Then use the stablecoin or fiat to buy back HIVE over the course of the 3.5 days. You will end up better off than you started with near certainty.
RE: How to take advantage of high HBD prices - Over 10% profit