According to a report by TrendForce, global DDR5 prices are set to finally start coming down over the next several months. The report states that both DDR5 and DDR4 modules will get 8-10 percent cheaper by Q1 2022.
https://www.notebookcheck.net/Extreme-DDR5-RAM-prices-might-come-down-as-early-as-Q1-2022-with-TrendForce-report-predicting-a-5-8-percent-price-decline.585207.0.html