 Prof. Hanke's HHIZ measure indicated that the inflation peaked at an annual rate of 89.7 sextillion percent (89,700,000,000,000,000,000,000%) in mid-November 2008.The peak monthly rate was 79.6 billion percent, which is equivalent to a 98% daily rate, or around % yearly rate.At that rate, prices were doubling every 24.7 hours.