Use one line bash command, create a histogram of relative volume per hour with any 24h span from:
https://poloniex.com/public?command=returnTradeHistory¤cyPair=BTC_ETH&start=1580515200&end=1583020800
Allowed commands: for, echo, tr, tail, grep, head, sed, awk, wc, curl, cat, sort, uniq
Example output:
00: #######
01: ###########
02: ####
....
23: #######