For those interested:
```
//@version=5
indicator("BTC Price × Mining Subsidy", overlay=true)
// Halving dates (approximate)
halving1 = timestamp(2012, 11, 28, 0, 0)
halving2 = timestamp(2016, 7, 9, 0, 0)
halving3 = timestamp(2020, 5, 11, 0, 0)
halving4 = timestamp(2024, 4, 20, 0, 0)
halving5 = timestamp(2028, 3, 15, 0, 0)
subsidy = if time < halving1
50.0
else if time < halving2
25.0
else if time < halving3
12.5
else if time < halving4
6.25
else if time < halving5
3.125
else
1.5625
plotcandle(open * subsidy, high * subsidy, low * subsidy, close * subsidy,
title="BTC × Subsidy", color=close >= open ? color.green : color.red,
wickcolor=close >= open ? color.green : color.red,
bordercolor=close >= open ? color.green : color.red)
```