for nasdaq stocks:

Sale Condition

@ Regular Trade

A Acquisition

B Bunched Trade

C Cash Trade

D Distribution

G Bunched Sold Trade

K Rule 155 Trade (AMEX only)

L Sold Last

N Next Day

O Opened

P Prior Reference Price

R Seller

(Long-Form Message Formats Only)

S Split Trade

T Form-T Trade

U Extended Hours – Sold Out of

Sequence

W Average Price Trade

Z Sold (Out of Sequence)

For listed stocks.

11.66 SALE CONDITION

@ Regular Sale (No Condition)

A Cash (Only) Market

B Average Price Trade

C Cash Trade (Same Day Clearing)

D Next Day (Only) Market

E Automatic Execution

*F *Intermarket Sweep Order

G Opening/Reopening Trade Detail

H Intraday Trade Detail

I Basket Index on Close Transaction

J Rule 127 Trade (NYSE)

K Rule 155 Trade (Amex)

L Sold Last (Late Reporting)

N Next Day Trade (Next Day Clearing)

O Opened (Late Report of Opened Trade)

P Prior Reference Price

R Seller

S Reserved

T Pre-Post Market Trade

U Pre-Post Market: Sold Out Sequence

Z Sold Out of Sequence