There are over 70 voicings for the °Δ9 chord on guitar and the image above shows only 3 of them. For more voicings see: Fretboard Chord Charts for Guitar
The °Δ9 chord contains a minor third, diminished fifth, major seventh, and a major ninth.
The intervallic relationships it contains are: minor third, diminished fifth, major seventh, major ninth, minor third, minor sixth, major seventh, perfect fourth, minor sixth, minor third.
- Minor Third
- Diminished Fifth
- Major Seventh
- Major Ninth
The °Δ9 chord has a dissonance rating of 137*
*Dissonance is very subjective. So, as a general guideline, this number is mathematically derived by measuring the intervallic dissonance this chord contains. (The higher the number the more dissonant the chord.)