State Street SPDR Portfolio Corporate SPBO 28.1 0.04 0.14%
SPBO Options Volume by Strike
SPBO (State Street SPDR Portfolio Corporate): Compare call and put contract volume across strikes to see where activity is concentrated. Free delayed preview.
ATM IV
0.15
Put Call Ratio (OI)
0.25
Put Call Ratio (Vol)
0.286
IV Rank
22.2
IV Percentile
34.4
Max Pain
29
Volume distribution (2026-09-21)
View values by strike
| Strike | Calls | Puts |
|---|---|---|
| 29.00 | 0 | 2 |