correlation between bitcoin and spy

Since January 1, 2026, SPY has returned 7.9% and Bitcoin (BTC) has returned -7.8%.

DATEBitcoin
May 09 2026
$80,664.37
May 08 2026
$80,186.77
$737.62
May 07 2026
$80,009.99
$731.58
May 06 2026
$81,427.53
$733.83
May 05 2026
$80,927.05
$723.77
May 04 2026
$79,827.91
$718.01
May 03 2026
$78,538.23
May 02 2026
$78,657.25
May 01 2026
$78,179.00
$720.65
April 30 2026
$76,304.32
$718.66
April 29 2026
$75,776.13
$711.58
April 28 2026
$76,350.67
$711.69
April 27 2026
$77,366.63
$715.17
April 26 2026
$78,657.54
April 25 2026
$77,612.02
April 24 2026
$77,455.31
$713.94
April 23 2026
$78,268.95
$708.45
April 22 2026
$78,203.10
$711.21
April 21 2026
$76,352.77
$704.08
April 20 2026
$75,872.52
$708.72
April 19 2026
$73,856.35
April 18 2026
$75,726.21
April 17 2026
$77,126.88
$710.14
April 16 2026
$75,152.13
$701.66
April 15 2026
$74,805.08
$699.94