The line graph demonstrates the marginal closing costs for three different metals between 2013 and 2021.
Overall, the price for palladium witnessed a upward trend, unlike platinum, which cost drastically decreased over a given period. The price for gold experienced some fluctuations, but remained quite the same after all.
Going into the detail, in 2013, palladium was the cheapest metal, costing approximately 3 quarters of a thousand. It stayed around the same price for years until the substantial increase in. 2017. It reaches its peak close to the 2500 in 2021.
Initially, the closing price for platinum was the highest among those three metals in 2013, but in started to steadily decrease and became the cheapest of the three selected metals, hitting the value slightly above the thousand dollars. The price for a gold, on the other hand, plateaued annually around the number slightly below the 1500, but in 2019, it escalated to constant value of approximately 1750 dollars.