Sorry, I couldn't find pricing data for that day. The closing price for Bitcoin (BTC) in terms of ZAR on October 16, 2020 was 187,452.36. It was down 2.2% for the day.
DATE
OPEN
HIGH
LOW
CLOSE
October 16 2020
191,713.80
—
—
187,452.36
Daily pricing data for Bitcoin dates back to 7/13/2010, and may be incomplete.