The F# Diminished Arpeggio contains the following notes:
F# – A – C
It is essentially an F# minor chord, with a flat 5.
Here’s how to play the F# diminished arpeggio in the open position.
F Sharp Diminished Arpeggio CAGED Positions
Here are the 5 CAGED positions for the F# diminished arpeggio on the guitar (notes and tabs).