re: trade coded T (F) - Alpha Trade's code legend states T (F) stands for (T) form-T sale (F) Informational.
Code Definition ! Regular packet ?0 Invalid ?1 (Z) Sold last sale - same as OPRA OSEQ ?2 (A) Cancel ?4 (E) Cancel open ?5 (G) Cancel only trade reported ?6 (O) Cancel stopped transaction ?a (M) CTS 'M' ?a Delete all previous index values ?c (Q) CTS 'Q' ?c Filtered ?d (U) CTS 'U' ?e (V) CTS 'V' ?f (W) CTS 'W' ?g (X) CTS 'X' ?h (Y) CTS 'Y' ?j (M) CQS 'M' ?k (Q) CQS 'Q' ?l (T) CQS 'T' ?m (U) CQS 'U' ?n (W) CQS 'W' ?o (Y) CQS 'Y' a Ask only ac Access ai (B) stocks traded in assoc with another instrument aj (K) adjusted ao Set quote at open price ap Auction price aq (A) acquisition sale at Actual trade (Trade Line) au (I) automatically executed au (A -> K) eligible for automatic execution au Executed in Electro Broker System ax Agency cross b Bid only ba Base price bb (F) burst basket execution bc (T) custom basket cross bg Bargain condition bi (I) basket index on close transaction (oseq) bk Broker to broker bl Blocked bo Booking purposes only bp Buyer's price bq Best (inside) quote bs Board broker sale bt (G) bunched sold trades bu (B) bunched sale bv Book value bw (P) buy stock sell call options bx (E) split basket execution by Buy back C Cash Trade (nrs) cb Cabinet bid cb Buy in by clearing comp. ch (C) same day clearing cl (C) closing quote cm Mandatory cash cn Converted price co Contingent on sale of related option cp Calculated price CQ Cancel bid ask cs Compensation cs Sell out by Clearing Company ct Market Center Closing trade cx Cumulative x-div da (A) depth on ask db (B) depth on bid dp Drawing price dq (H) depth on bid and ask ds (D) distribution sale dt Delayed trade dv Derivatively priced dx Delta exchange ea Estimated price - order imbalance ask eb Estimated price - order imbalance bid ec (X) halt due to equipment changeover efs Exchange for swap EP Estimated price er Erratic trading ex Exempt from trade through rule F Filtered fa Executed in acceptance system fm Firm (GB) fo Forced price ft Fast trading ft (F) fast trading FW Forward trade fx Fixing price go Open is first tick ha (T ->) ha Suspended hd (J) halt due to related security news dissemination hl Held trade hn (D) halt due to news dissemination ho (I) halt due to order imbalance hp (P) halt due to news pending hq One sided quote caused a halt - shown as trade hr (S) halt due to related security hs (K) halt due to related security news pending ht Trade on bid side of quote hv (V) halt in view of common I (I -> J) inactive ia Traded w */ ia Indicative ask price ib Traded w ib Indicative bid price id (H) intraday trade detail ig Interstate agency in Indicative price io Indication due to order imbalance (TSE) is Issue L Halt due to non-compliance in listing requirements la (L) late but in sequence (same as sold last) lc Late correction li Limit order lk Locked market ll At lower limit ln Loan lo Open late but in sequence lr Loan return ls Last sale M Market Center Close Price mc (L) NASD - market maker quotes closed mc No active market makers md Market maker deleted me Market maker or inside quote session mh Market maker suspended mi Market maker both sessions mm Market maker to market maker MQ Mid price trade mt Match trade mu Market maker or inside quote US session N (N) next day clearing nd Next day only all day nf (N) non-firm quotation nk Not to mark nm Nominal price no (Z) no open no resume - halt in effect for rest of the day np Non-protected portfolio nq No-quote nt Notional settlement OA Order imbalance ask OB Order imbalance bid oc (C) cancel last od Overseas delivery of Official price OL Odd lot aka non-board lot on Overnight op (G) opening op (O) late report of opened trade op (F) open late and out of sequence op (O) opening quote op (R -> O) NASD only - market maker open or Overseas register os Outside system ot Overseas trade OT Over the counter trades P (P) NTDS 'P' code - prior reference price p Indicative price after suspension P Halt pending receipt of requested information pa Paid ask - bezahlt Brief Telekurs pb Paid bid - bezahlt Geld PD Reported from previous day PE Evaluation pi Premium trade pl Indication due to price limits pm Passive market maker pn Penalty bid PO POSIT matched trade pp Protected portfolio PR Average price of last 10 percent of trades ps Prompt resale pt Put through py Pre-syndicate bid Q Executed by the Nasdaq market center qs (B -> R) bid quote from specialist book qs (O -> R) ask quote from specialist book R (R) seller's option r5 (K) rule 155 trade - AMEX only r7 (J) rule 127 trade - NYSE only ra Rationed ask rb Rationed bid rd Redemption re (J) reopen RE Market center reopening trade ri (G) trading range indication rk Prompt rebooking rl Price range limit rn Riskless principle ro (R -> E) rotation rp Representative price rt Risk trade rv Reserved sale S Out of sequence (aka sold) sb Special bid sc Morning close sd Security deleted SE Settlement price sh Short si (S) split trade sl (M) straddle sp (L) spread sq (C -> R) bid and ask quote from specialist book sr Seller's price SS Special trading session st (N) stopped su Subscription price sx Sweep execution outside BBO sy Syndicate bid sw Sweep execution w/ better price on another market T (T) form-T sale tc Trade executed on C exchange tk Trade on offer side of quote tn Trade executed on the N exchange tp Trade executed on the P exchange tpm 3pm closing price tq Trade executed on the Q exchange tr Trade-quote Telekurs ts Special trade tt Trade executed on the T exchange ub Unable to quote - begin ue Unable to quote - end ul At upper limit up Unofficial price ux Uncrossing price va Valuation price (Kassakurs) vt Volatility trade W Average trade price wd Withdrawn WO Volume weighted opening price (first 5 minutes) ws Wholesale trade X Cancelled trade xa Cancel ask xb Cancel bid xc Exercise of call xg Exchange for physicals xm Executed in match system xo Exercise of option xp Exercise of put xr Crossed market xt Crossed trade xw Excused withdrawn ya Partly paid ask yb Partly paid bid yt Part paid The following 7 Condition Codes can be combined with any of the codes above (C) Corrected (X) Cancelled (I) Inserted (S) Out of sequence (B) Official best bid (O) Official best offer (F) Informational