I want to mirror some keyframes on the X-axis so that I don't have to redo the keyframes for the opposite/reversed animation. After duplicating the keyframes, I expected that selecting the keyframes and pressing SX then $-1$ would mirror them, but it gives a different result:
This is the mirror result I was expecting:
How to flip or mirror keyframes horizontally on the X-axis in Graph Editor? What am I missing?


