Long-term price trends: https://pcpartpicker.com/trends/price/video-card/ https://pcpartpicker.com/trends/price/video-card/ They also have more or less real-ti

Long-term price trends: https://pcpartpicker.com/trends/price/video-card/ https://pcpartpicker.com/trends/price/video-card/ They also have more or less real-time pricing and price history for individual products. But it doesn't provide visibility into the used GPU market.