Reasons to short -
Returning to a major SR level (blue line)
The previous time it was at this level there was a strong sell off, and it is the first time it could return to this area (yellow box)
A confluence of fibonacci levels from previous highs (inside the yellow box)
Good risk to reward ratio
However, keep on eye on the light pink area as this could also prove to be a . It is already pushing against the area and finding it hard to break through.