what is the correlation between the sandp 500 and bitcoin

Since January 1, 2025, Bitcoin (BTC) has returned 23.4% and the S&P 500 (GSPC) has returned 12.9%.

DATE Bitcoin the S&P 500
September 21 2025
$115,306.10
September 20 2025
$115,721.96
September 19 2025
$115,688.86
$6,664.36
September 18 2025
$117,137.20
$6,631.96
September 17 2025
$116,468.51
$6,600.35
September 16 2025
$116,843.18
$6,606.76
September 15 2025
$115,444.87
$6,615.28
September 14 2025
$115,407.65
September 13 2025
$115,950.51
September 12 2025
$116,101.58
$6,584.29
September 11 2025
$115,507.54
$6,587.47
September 10 2025
$113,955.36
$6,532.04
September 09 2025
$111,530.55
$6,512.61
September 08 2025
$112,071.43
$6,495.15
September 07 2025
$111,167.62
September 06 2025
$110,224.70
September 05 2025
$110,650.99
$6,481.50
September 04 2025
$110,723.60
$6,502.08
September 03 2025
$111,723.21
$6,448.26
September 02 2025
$111,200.59
$6,415.54
September 01 2025
$109,250.59
August 31 2025
$108,236.71
August 30 2025
$108,808.07
August 29 2025
$108,410.84
$6,460.26
August 28 2025
$112,544.80
$6,501.86