Systems and methods for preventing spoilers from being presented to a user based on user activity are described herein. In some embodiments, the media guidance application may predict events that a user may not wish to be spoiled based on user activity, and prevent spoilers for the predicted events from being presented. For example, by using received data identifying purchase activities associated with the user, a media guidance application may identify events associated with the purchase activity. The media guidance application may identify content associated with these events, and prevent the identified content from being presented to the user in response to determining that the identified content includes spoilers for the events.