Sorry, I couldn't find pricing data for that day. The closing price for Bitcoin (BTC) in terms of AUD on June 29, 2018 was 8,400.84. It was up 4.7% for the day. The latest price is 170,087.41.
DATE
OPEN
HIGH
LOW
CLOSE
June 29 2018
8,022.48
—
—
8,400.84
Daily pricing data for Bitcoin dates back to 7/14/2010, and may be incomplete.