Fidelity allows trading in whole ounces or coins only; fractional amounts are not supported.
: Fidelity can store your gold with a third-party for a fee (typically 0.125% quarterly or a $3.75 minimum). how to buy gold fidelity
For easier liquidity and online management, you can purchase gold-related securities directly through the Fidelity website or mobile app. How to buy gold: 2 ways to invest in gold | Fidelity Fidelity allows trading in whole ounces or coins