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   NYSE Amex Short Interest  

The NYSE Amex Short Interest File is a semi-monthly file that contains the reported uncovered short positions of NYSE listed securities.

The Short Interest data file contains the reported uncovered short positions of Amex-listed securities (Issues & Derivatives). Since September 2007, it is published twice monthly and includes the ETF and HOLDRS End-of-Month Short Interest information. As of June 30, 2008, there is a new Short Interest reporting schedule for Amex Securities. Users are able to download all Amex Short Interest Files by month (available from January 1995). To distinguish the files, the first monthly file will be named ShortIntIssA_YYYYMM.TXT, and the second file will be ShortIntIssB_YYYYMM.TXT. File descriptions and definitions are provided in the Data Fields Definitions. Publication dates are provided in the Amex Short Interest Calendar.

Instruments Covered
Equities

Markets Covered
NYSE Amex
Included Data
Twice Monthly    History: 1 Jan 1995 - present
051109                                                                         
1ST AMER. MN MIF       MXN         00000031430000002382 0000000761 0032000001736
A T CROSS CO CL A      ATX         00000032260000007075-0000003849-0054000005772
A,M,CASTLE   CO        CAS         00003323070000265945 0000066362 0025000064922
ABC BANCORP CAPITAL    BHCPR       00000009630000000150 0000000813 0542000001290
ABERDEEN ASIAPACIFIC   FAX         00001449000000149358-0000004458-0003000618027
ABERDEEN AUSTRALIA     IAF         00000185630000018676-0000000113-0001000023436
ABERDEEN GLOBAL FUND   FCO         00000254270000028506-0000003079-0011000020904
ABLEAUCTIONS.COM       AAC         00000132780000008093 0000005185 0064000845281
ABLEST INC             AIH         00000047950000001033 0000003762 0364000004618
ABRAXAS PETROLEUM      ABP         00017836320001443462 0000340170 0024000851895
ACCELR8 TECH CORP.     AXK         00000085020000007600 0000000902 0012000005586
ACCESS PHARMECEUTICA   AKC         00000334300000021585 0000011845 0055000061227
Short Interest Release Schedule
2010
Month Sett Date[2] Due Date[3] Release Date[4]
Jan
 15
 20
 27
Jan
 29
 2/2
 2/9
Feb
 12
 17
 24
Feb
 26
 3/2
 3/9
Mar
 15
 17
 24
Mar
 31
 4/5
 4/12
Apr
 15
 19
 26
Apr
 30
 5/4
 5/11
May
 14
 18
 25
May
 28
 6/2
 6/9
Jun
 15
 17
 24
Jun
 30
 7/2
 7/12
Jul
 15
 19
 26
Jul
 30
 8/3
 8/10
Aug
 13
 17
 24
Aug
 31
 9/2
 9/10
Sep
 15
 17
 24
Sep
 30
 10/4
 10/12
Oct
 15
 19
 26
Oct
 29
 11/2
 11/9
Nov
 15
 17
 24
Nov
 30
 12/2
 12/9
Dec
 15
 17
 27
Dec
 31
 1/4/11
 1/11/11
2009
Month Sett Date[2] Due Date[3] Release Date[4]
Jan
 15
 20
 27
Jan
 30
 2/3
 2/10
Feb
 13
 18
 25
Feb
 27
 3/3
 3/10
Mar
 13
 17
 24
Mar
 31
 4/2
 4/9
Apr
 15
 17
 24
Apr
 30
 5/4
 5/11
May
 15
 19
 27
May
 29
 6/2
 6/9
Jun
 15
 17
 24
Jun
 30
 7/2
 7/10
Jul
 15
 17
 24
Jul
 31
 8/4
 8/11
Aug
 14
 18
 25
Aug
 31
 9/2
 9/10
Sep
 15
 17
 24
Sep
 30
 10/2
 10/9
Oct
 15
 19
 26
Oct
 30
 11/3
 11/10
Nov
 13
 17
 24
Nov
 30
 12/2
 12/9
Dec
 15
 17
 24
Dec
 31
 1/5/10
 1/12/10

2008
Month Trade Date[1] Sett Date[2] Due Date[3] Release Date[4]
Dec 31/07 26
 31
 1/3/08
 1/7/08
Jan
 10
 15
 17
 22
Jan
 28
 31
 2/4
 2/6
Feb
 12
 15
 20
 22
Feb
 26
 29
 3/4
 3/6
Mar
 11
 14
 18
 20
Mar
 26
 31
 4/2
 4/4
Apr
 10
 15
 17
 21
Apr
 25
 30
 5/2
 5/6
May
 12
 15
 19
 21
May
 27
 30
 6/3
 6/5
Jun
 10
 13
 17
 19
Jun
 30
 7/2
 7/10
Jul
 15
 17
 24
Jul
 31
 8/4
 8/11
Aug
 15
 19
 26
Aug
 29
 9/3
 9/10
Sep
 15
 17
 24
Sep
 30
 10/2
 10/9
Oct
 15
 17
 24
Oct
 31
 11/4
 11/11
Nov
 14
 18
 25
Nov
 28
 12/2
 12/9
Dec
 15
 17
 24
Dec
 31
 1/5/09
 1/12/09

2007
Month Trade Date[1] Sett Date[2] Due Date[3] Release Date[4]
NOV/06 10 15 17 21
DEC/06 12 15 19 21
JAN 9 12 17 19
FEB 12 15 20 22
MAR 12 15 19 21
APR 10 13 17 19
MAY 10 15 17 21
JUNE 12 15 19 21
JULY 10 13 17 19
AUG 10 15 17 21
SEPT 11 14 18 20
SEPT
 25
 28
 10/2
 10/4
OCT 10 15 17 19
OCT
 26
 31
 11/2
 11/6
NOV 9 15 19 21
NOV 27
 30
 12/4
 12/6
DEC. 11 14 18 20
DEC
 26
 31
 1/3/08
 1/7/08



[1] Trade Date - Discontinued as of July 10,2008 release date. NYSE now receives the data from FINRA and not an internal regulatory department. FINRA do not use trade date, files will be referenced using settlement date going forward. For reference to data prior to 7/10/08 release date, trade date is the final day of trading that short interest is calculated by NYSE Member Firms

[2] Settlement Date - Positions are reported as of settlement date.

[3] Due Date - The date Member Firms are required to report short interest positions.

[4] Release Date - The date that aggregate Short Interest position for each security is made available to the public.

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Frequently Asked Questions
  • Where can I find the view of trailing 12-Month Short Interest by Symbol which was on AmexTrader?
    This data is made available for listed companies to view until they are integrated into NYSEnet. You can find it here