Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. Sorry, but there’s no price history in my database.
Link: Banggood product page
Coupon (8.46 USD): BGSCM11
Coupon (9.03 USD): BG589b2e
(CouponsFromChina.com tip: paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: 8.46 USD.
You can set price alert (for Banggood).