Dark Matter Magazine will be open for submissions from October 18 to October 31, 2021.They accept Science-fiction and Horror. There must be a sci-fi element. They are looking for stories 1,000 to 5,000 words long, and pay is 8 cents per word. More details here.
Podcastle will be open to submissions from November 1 to November 30, 2021. They are looking for all kinds of high and low fantasy, and everything in-between, but the fantastical element must be meaningful to the story. Original fiction up to 6,000 words, and reprints up to 17,000 words. Query any reprints over 6,000. 8 cents per word original fiction, a flat $100.00 for reprints. More details here.