The standard deviation of the AMZN $($AMZON$)$ daily stock returns is $0\mathrm{.}5,$ while the standard deviation of the KO $($COCA$-$COLA$)$ daily stock returns is $0\mathrm{.}3.$ Which company has more volatile returns $($higher chance of getting high or low returns$)?$

Question $21$ options:

AMZN

KO

The same for both companies.

None of the answers is correct.