# Subscription Tiers * Modeling- includes modeling * Backtesting- includes backtesting * Backtesting & Modeling- includes backtesting & modeling * Trading- includes backtesting, modeling and automation Users only need 1 subscription— users can switch between types or time (annual/monthly) of subscriptions at any time. Existing subscriptions are prorated and discounted against the new subscription at time of switch. A video detailing the upgrade/switching process is here: {% embed url="" %} Additional notes: Optional free trials are available on all tiers but trading. [More information about the free trial can be found here](/welcome/free-trial.md). If a user is on trading and wishes to downgrade to another tier, please remove broker connctections, pause opening new trades, close existing trades, etc. The automation system will not manage trades without an active trading subscription. Users with a subscription question can email . --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.optionomega.com/support/subscription-tiers.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.