You know, the kind you see in stock markets: https://en.wikipedia.org/wiki/Candlestick_chart
Can be a better indicator of market movements than just the "last 20 sold", especially for high-volume goods.
It would mean having to keep market history around indefinitely though (this could be solved by lossly compressing the history into the few numbers required to show a candlestick chart...), and having some way to handle parts of history that the website missed.
You know, the kind you see in stock markets: https://en.wikipedia.org/wiki/Candlestick_chart
Can be a better indicator of market movements than just the "last 20 sold", especially for high-volume goods.
It would mean having to keep market history around indefinitely though (this could be solved by lossly compressing the history into the few numbers required to show a candlestick chart...), and having some way to handle parts of history that the website missed.