Emby Press has added two more anthology calls to their submission listings. The first is a call for Occult Detectives in an anthology titled "A Grimoire of Eldritch Inquests" with a deadline of August 1. The second is "The Ghost Papers" and they're looking for ghost stories in various genres. Both need stories of 2000 to 8000 words and payment is $25. Submission details are on their Submittable page where you'll find other open calls.
Hat tip to darkmarkets.com