What going on?

When Btc go down so shiba coin go down same time but

When you guys see Btc going up but shiba coin not go up

With Btc why

Yesterday Btc 73000$ and shiba 0.000035 something when Btc drop to 67k that time shiba coin drop to 0.000026 than Btc go up again to 70k again again but shins coin still at 0.000029 just

$BTC $SHIB