The link below gives a quick chart on lithium prices. You can set the time interval to various ranges.
Daily Metal Price: Lithium Price (USD / Metric Ton) Chart for the Last 6 Months
The chart that presents when you go to this link will not be on lithium. It will show copper as a base chart. Simply go to the windows on the right side and adjust the metal to lithium and the "In this unit" to metric tons and the time to your selection of time range.
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