How to end a short story with a cliffhanger?

Introduce a new element or character at the very end that raises questions. Like a mysterious stranger showing up with no explanation of their motives.

Definitely! A short story ending in a cliffhanger can be very effective. It creates tension and leaves the reader wanting to know what happens next. But it should be done in a way that doesn't leave the reader frustrated or feeling cheated.

One way is to leave a key character in a dangerous or uncertain situation. For example, they could be on the verge of being discovered by the villain or facing a life-threatening challenge without showing the outcome immediately.

Sure, you can. It leaves the readers wanting more and can make the story more memorable.

You might end it with the protagonist about to make a crucial decision that could have life or death consequences, but we don't know what they'll choose.

One way is to leave a major plot point unresolved right at a crucial moment. For example, have the protagonist face a sudden threat with an uncertain outcome.

You can leave a key event unresolved or introduce a sudden twist right at the end. Make the reader eager to know what happens next.

Sure, they can. A cliffhanger at the end of a short story can leave readers intrigued and eager for more.

You might end a story with a character receiving a mysterious letter that hints at a big secret, but not reveal what's in it. This leaves readers eager to know more. Like a detective getting a note that could solve the case but we don't get to see the contents.

First, build up tension throughout the story. Then, end it at a crucial moment when the outcome is unknown and the readers are left eager for more.