Trust preferreds don't have Net Asset Values. Closed-end funds do have Net Asset Values.
LCM last Friday was $9.79 a share, which is below the NAV of $10.77. NAV is found by entering: XLCMX for LCM I have owned LCM for a long time, paying about 9% now; pays quarterly. LCM is Advent/Claymore Fund, operated by the Guggenheim Group.
FFC another closed-end fund by the same group, pays monthly dividend, currently yielding 9% I also own a lot of this.