Scottrades list of no buy, ONLY sell, and NO buy and NO sell restricted securities.
Or as they say in Canada, "shorters deelite"
"Scottrade has set restrictions on the following securities due to clearing restrictions:
No Buys/Sells Only
.AIUN
CMKX
.IPLUN
INOV#
TRZA#
MSMC#
IVCO
VXEN
UGMI
SOYO
GMZC#
.AFPUN
GWAD
USCI
.FCEUN
.TPWUN
.TPLUN
AWHB
CESY
CDED
GRDL
RVNM
AFRD
CLSC
GRDL
HPON
SEIH
No Buys & No Sells
DTSN#
JAGH#
GFTX
BTYH
MLXOV
MGCP
No Buys/Sells Only - You cannot place buy orders on this security. Only sell orders can be placed.
No Buys & No Sells - You cannot place either buy or sell orders on this security."