Latest Ratio
1 BTC = 9.74 units
Track how many S&P 500 index units 1 BTC can buy over time.
S&P 500 measures whether BTC outpaces large-cap US equity exposure on a purchasing-power basis.
Index units are a clean way to compare a volatile bearer asset against a broad market benchmark.
Lowest observed value: 0.00 units on 2010-07-22.
All live comparison pages update on the same daily snapshot schedule as the core BTC/gold dataset.