The conversion system helps maintain the HBD peg at $1.00 .
You should convert HBD to HIVE when the price of HBD is below $0.95 and you should convert HIVE to HBD when the prices of HBD is above $1.10; otherwise it is better to trade the currency on the marketplace.
The HBD to HIVE conversion reduces the HBD in circulation and the HIVE-HBD conversion increase it.