Starting on July 10th, 2017, the price of the Alexa Pro Basic monthly subscription increased from $9.99 to $19.99 for all new subscriptions. Current subscribers will be able to continue at the previous rate of $9.99 until August 11th, 2017, when the price of the Basic subscription for current subscribers will increase to $19.99. Current subscribers will see the price change reflected on their first bill on or after August 11th, 2017.
All new and current subscribers will still have full access to the same valuable features you have now, like Certified Alexa Rank and Certified traffic metrics, Top Sites, Sites Linking In, Site Overview, and Site Comparisons.
If you have questions about your subscription or these changes, please submit a request.