correlation between bitcoin and spy

Since January 1, 2025, Bitcoin (BTC) has returned 13% and SPY has returned 1.2%.

DATE Bitcoin undefined
May 19 2025
$105,606.18
$594.85
May 18 2025
$106,446.01
May 17 2025
$103,191.09
May 16 2025
$103,489.29
$594.20
May 15 2025
$103,744.64
$590.46
May 14 2025
$103,539.42
$587.59
May 13 2025
$104,169.81
$586.84
May 12 2025
$102,812.95
$582.99
May 11 2025
$104,106.36
May 10 2025
$104,696.33
May 09 2025
$102,970.85
$564.34
May 08 2025
$103,241.46
$565.06
May 07 2025
$97,032.32
$561.15
May 06 2025
$96,802.48
$558.80
May 05 2025
$94,748.05
$563.51
May 04 2025
$94,315.97
May 03 2025
$95,891.80
May 02 2025
$96,910.07
$566.76
May 01 2025
$96,492.34
$558.47
April 30 2025
$94,207.31
$554.54
April 29 2025
$94,284.79
$554.32
April 28 2025
$94,978.75
$550.85
April 27 2025
$93,754.85
April 26 2025
$94,646.93
April 25 2025
$94,720.50
$550.64