Bitcoin Halving Countdown and History

Bitcoin Halving 2016

The Bitcoin halving of Jul 9, 2016 cut the block subsidy from 25 to 12.5 BTC per block, taking annual issuance from about 1,314,000 to about 657,000 BTC. Bitcoin closed that week at $663. The confirmed cycle bottom before it was Jan 14, 2015 at $176, 542 days earlier. The confirmed cycle peak after it was Dec 16, 2017 at $19,641, 525 days later.

Fact Sheet
Date
Jul 9, 2016
Block subsidy before
25 BTC
Block subsidy after
12.5 BTC
Annual issuance before
about 1,314,000 BTC
Annual issuance after
about 657,000 BTC
Close that week
$663
Confirmed bottom before
Jan 14, 2015, 542 days earlier
Confirmed peak after
Dec 16, 2017, 525 days later