First generation

Note - ali prices include typical current easy to get coupons, like $5/50.

• Ryzen 3 1200, 4 core, 2017 start price was $109, current aliexpress OEM price $47, Newegg box price is $70
  OEM drop is 56%
• Ryzen 5 1600, 6 core, 2017 start price was $219, current aliexpress OEM price $99, Newegg box price is $110
  OEM drop is 55%
• Ryzen 7 1700, 8 core, 2017 start price was $329, current aliexpress OEM price $144, Newegg box price for 1700X is $174
  OEM drop is 56%

Second generation

• Ryzen 5 2600, 6 core, 2018 start price was $199, current aliexpress OEM price $134, Newegg box price is $150
  OEM drop is 33%
• Ryzen 7 2700, 8 core, 2018 start price was $299, current aliexpress OEM price $229, Newegg box price is $139
  OEM drop is 23%

Third generation prices, for reference

• Ryzen 5 3600, 6 core, 2019 start price is $199
• Ryzen 7 3700X, 8 core, 2019 start price is $329

Small predictions for early 2020

• Ryzen 1600 OEM used price will reach $69
• Ryzen 1700 OEM used price will reach $99
• Ryzen 2600 OEM used price will reach $79
• Ryzen 2700 OEM used price will reach $119