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HowShorted

BBN short interest NYSE

BlackRock Taxable Municipal Bo. FINRA's reported shares short for this symbol, twice a month by settlement date, shown as the regulator publishes them. No percentage is shown: an SEC filer exists but no defensible share count is available yet.

Shares short
216,294
vs previous settlement
โˆ’67,692 (-23.8%)
days to cover
1.18
Settlement date
15 Sep 2026

Shares short over time

Aggregate net short position time series for BBN shares short

Days to cover

FINRA's own figure: reported shares short divided by the security's average daily trading volume, published alongside each settlement.

Aggregate net short position time series for BBN days to cover

Fails to deliver

The SEC's fails-to-deliver figure for BBN: the aggregate net balance of shares that failed to be delivered at each settlement date, published by the SEC twice a month and shown here verbatim for the trailing window. A balance is not a daily flow, and a fail has many ordinary causes; the SEC says it cannot guarantee the accuracy of the data. See what fails to deliver are and the largest balances today.

Last balance on file
934
3 Sep 2026
Highest in window
27,103
31 Oct 2025
Days with a balance
60
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for BlackRock Taxable Municipal Bo fails to deliver

Source: U.S. Securities and Exchange Commission, fails-to-deliver data (public domain). Only settlement days with a positive balance appear; the largest balance in the window was 27K shares.

History

Every FINRA settlement we hold for BBN, newest first. สณ marks a figure FINRA itself flagged as revised.

Full reported short interest history
Settlement dateShares shortChangeDays to cover
15 Sep 2026216,294โˆ’67,6921.18
31 Aug 2026283,986โˆ’43,2202.47
14 Aug 2026327,206+224,2402.44
31 Jul 2026102,966+36,9031.06
15 Jul 202666,063โˆ’4,2971.00
30 Jun 202670,360+20,3121.00
15 Jun 202650,048โˆ’4,1831.00
29 May 202654,231โˆ’24,7961.00
15 May 202679,027โˆ’19,1721.00
30 Apr 202698,199โˆ’31,9761.00
15 Apr 2026130,175+41,0701.00
31 Mar 202689,105+16,9311.00
13 Mar 202672,174+39,4511.00
27 Feb 202632,723+10,4271.00
13 Feb 202622,296+16,0601.00
30 Jan 20266,236โˆ’4,6521.00
15 Jan 202610,888โˆ’63,6451.00
31 Dec 202574,533โˆ’290,1341.00
15 Dec 2025364,667โˆ’10,1331.00
28 Nov 2025374,800+41,7121.01
14 Nov 2025333,088+163,7841.20
31 Oct 2025169,304+125,1061.01
15 Oct 202544,198+20,5341.00
30 Sep 202523,664+10,9371.00
15 Sep 202512,727โˆ’71,5421.00
29 Aug 202584,269+39,1271.00
15 Aug 202545,142โˆ’1,7081.00
31 Jul 202546,850+911.00
15 Jul 202546,759+36,9591.00
30 Jun 20259,800โˆ’6,2341.00
13 Jun 202516,034โˆ’35,0381.00
30 May 202551,072โˆ’5431.00
15 May 202551,615+36,3901.00
30 Apr 202515,225โˆ’4,9971.00
15 Apr 202520,222โˆ’17,1061.00
31 Mar 202537,328+2,1401.00
14 Mar 202535,188โˆ’28,4081.00
28 Feb 202563,596โˆ’24,4381.00
14 Feb 202588,034โˆ’25,8671.00
31 Jan 2025113,901โˆ’45,0021.00
15 Jan 2025158,903+41,7371.05
31 Dec 2024117,166โˆ’31,2311.00
13 Dec 2024148,397+51,2891.00
29 Nov 202497,108+77,3421.00
15 Nov 202419,766+9,0231.00
31 Oct 202410,743โˆ’14,6311.00
15 Oct 202425,374โˆ’157,3731.00
30 Sep 2024182,747+78,5921.00
13 Sep 2024104,155โˆ’66,9701.00
30 Aug 2024171,125+91,3971.00
15 Aug 202479,728โˆ’36,9071.00
31 Jul 2024116,635โˆ’37,3221.00
15 Jul 2024153,957+45,3891.00
28 Jun 2024108,568+68,1101.00
14 Jun 202440,458+17,0491.00
31 May 202423,409โˆ’6,8881.00
15 May 202430,297โˆ’10,1581.00
30 Apr 202440,455+8,4491.00
15 Apr 202432,006+8,4651.00
28 Mar 202423,541โˆ’14,7671.00
15 Mar 202438,308+7,9641.00
29 Feb 202430,344โˆ’125,9171.00
15 Feb 2024156,261โˆ’82,5881.00
31 Jan 2024238,849+154,5661.00
12 Jan 202484,283+73,9121.00
29 Dec 202310,371โˆ’14,5031.00
15 Dec 202324,874+1651.00
30 Nov 202324,709โˆ’112,3261.00
15 Nov 2023137,035สณโˆ’71,1861.00
31 Oct 2023208,221โˆ’27,9161.00
13 Oct 2023236,137+154,3431.00
29 Sep 202381,794โˆ’39,9381.00
15 Sep 2023121,732+88,8411.00
31 Aug 202332,891โˆ’60,8501.00
15 Aug 202393,741+31,0261.00
31 Jul 202362,715+38,3201.00
14 Jul 202324,395+18,7961.00
30 Jun 20235,599โˆ’18,6191.00
15 Jun 202324,218โˆ’57,2761.00
31 May 202381,494โˆ’103,7511.00
15 May 2023185,245+76,6161.59
28 Apr 2023108,629+29,9721.01
14 Apr 202378,657โˆ’225,5361.00
31 Mar 2023304,193+209,2641.52
15 Mar 202394,929โˆ’39,0061.00
28 Feb 2023133,935+96,0941.00
15 Feb 202337,841+21,9771.00
31 Jan 202315,864โˆ’11,6481.00
13 Jan 202327,512+18,0671.00
30 Dec 20229,445โˆ’38,6501.00
15 Dec 202248,095โˆ’129,0531.00
30 Nov 2022177,148โˆ’84,6571.00
15 Nov 2022261,805+68,6341.15
31 Oct 2022193,171+174,8271.00
14 Oct 202218,344โˆ’69,5341.00
30 Sep 202287,878+24,8681.00
15 Sep 202263,010โˆ’56,1571.00
31 Aug 2022119,167โˆ’19,5521.00
15 Aug 2022138,719+7,2761.00
29 Jul 2022131,443+58,4791.00
15 Jul 202272,964+52,7941.00
30 Jun 202220,170โˆ’32,3021.00
15 Jun 202252,472โˆ’166,2581.00
31 May 2022218,730โˆ’146,2681.00
13 May 2022364,998+287,9081.36
29 Apr 202277,090+24,1111.00
14 Apr 202252,979โˆ’9041.00
31 Mar 202253,883+34,6531.00
15 Mar 202219,230โˆ’2181.00
28 Feb 202219,448+16,7051.00
15 Feb 20222,743โˆ’26,9441.00
31 Jan 202229,687+5,3541.00
14 Jan 202224,333+19,7371.00
31 Dec 20214,596โˆ’21,2011.00
15 Dec 202125,797+20,6991.00
30 Nov 20215,098โˆ’3,3301.00
15 Nov 20218,428โˆ’36,1851.00
29 Oct 202144,613+5,2481.00
15 Oct 202139,365โˆ’3,0161.00
30 Sep 202142,381+9,0101.00
15 Sep 202133,371โˆ’9,5791.00
31 Aug 202142,950โˆ’19,7471.00
13 Aug 202162,697โˆ’11,1801.00
30 Jul 202173,877+21,8141.00
15 Jul 202152,063+5,3351.00
30 Jun 202146,728โˆ’1,2351.00
15 Jun 202147,963สณ+16,6141.00
28 May 202131,349โˆ’9,7711.00
14 May 202141,120โˆ’7,3931.00
30 Apr 202148,513โˆ’2,0241.00
15 Apr 202150,537+16,7671.00
31 Mar 202133,770โˆ’12,5701.00
15 Mar 202146,340โˆ’33,6381.00
26 Feb 202179,978+8,8411.00
12 Feb 202171,137โˆ’5,8491.00
29 Jan 202176,986โˆ’29,4161.00
15 Jan 2021106,402โˆ’152,4861.00
31 Dec 2020258,888+8,5092.16
15 Dec 2020250,379+27,1701.24
30 Nov 2020223,209+50,8542.82
13 Nov 2020172,355+9,9101.95
30 Oct 2020162,445โˆ’21,7131.79
15 Oct 2020184,158โˆ’16,6022.04
30 Sep 2020200,760โˆ’108,7381.42
15 Sep 2020309,498โˆ’53,2862.92
31 Aug 2020362,784+209,0111.35
14 Aug 2020153,773โˆ’18,3961.21
31 Jul 2020172,169+28,3381.48
15 Jul 2020143,831+1,2561.31
30 Jun 2020142,575โˆ’5,6901.54
15 Jun 2020148,265+71,0981.00
29 May 202077,167โˆ’10,5791.00
15 May 202087,746+59,1031.00
30 Apr 202028,643โˆ’72,0061.00
15 Apr 2020100,649+69,3091.00
31 Mar 202031,340โˆ’17,9401.00
13 Mar 202049,280+3,4041.00
28 Feb 202045,876โˆ’3361.00
14 Feb 202046,212โˆ’31,8411.00
31 Jan 202078,053โˆ’45,7221.00
15 Jan 2020123,775+60,3041.00
31 Dec 201963,471+22,0201.00
13 Dec 201941,451+14,2881.00
29 Nov 201927,163+7,9101.00
15 Nov 201919,253โˆ’4,0521.00
31 Oct 201923,305โˆ’10,3781.00
15 Oct 201933,683โˆ’81,6521.00
30 Sep 2019115,335+109,2721.00
13 Sep 20196,063โˆ’15,8611.00
30 Aug 201921,924+10,0021.00
15 Aug 201911,922+3,2501.00
31 Jul 20198,672โˆ’12,0971.00
15 Jul 201920,769+18,0591.00
28 Jun 20192,710โˆ’6,5311.00
14 Jun 20199,241+4,8211.00
31 May 20194,420โˆ’3,7171.00
15 May 20198,137โˆ’2,6561.00
30 Apr 201910,793โˆ’5,9041.00
15 Apr 201916,697โˆ’13,8941.00
29 Mar 201930,591โˆ’9,2781.00
15 Mar 201939,869โˆ’102,4601.00
28 Feb 2019142,329+94,6151.01
15 Feb 201947,714โˆ’9,4261.00
31 Jan 201957,140+35,6671.00
15 Jan 201921,473โˆ’33,3741.00
31 Dec 201854,847โˆ’12,5461.00
14 Dec 201867,393+48,7991.00
30 Nov 201818,594โˆ’7,4131.00
15 Nov 201826,007+11,1361.00
31 Oct 201814,871+8991.00
15 Oct 201813,972+1,9571.00
28 Sep 201812,015โˆ’11,0721.00
14 Sep 201823,087+7,7721.00
31 Aug 201815,315+2,2661.00
15 Aug 201813,049โˆ’10,6481.00
31 Jul 201823,697+4,3901.00
13 Jul 201819,307+8,9131.00
29 Jun 201810,394โˆ’15,3421.00
15 Jun 201825,736+22,9641.00
31 May 20182,772โˆ’20,3961.00
15 May 201823,168+3,8731.00
30 Apr 201819,295โˆ’20,3211.00
13 Apr 201839,616โˆ’37,1391.00
29 Mar 201876,755+11,0951.00
15 Mar 201865,660+26,6751.00
28 Feb 201838,985โˆ’63,0931.00
15 Feb 2018102,078+80,8961.00
31 Jan 201821,182โˆ’157,3081.00
12 Jan 2018178,490+65,8821.00
29 Dec 2017112,608โ€“1.00

Scroll inside the table for earlier settlements, back to 29 Dec 2017.

Questions

Frequently asked questions

What is BBN's short interest?
216,294 shares short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report, down 67,692 from the previous settlement.
Why is there no percentage for BBN?
Because no defensible share count exists to divide by: an SEC filer exists but no defensible share count is available yet. The symbol maps to an SEC filer, but its share count cannot be used yet. A newly listed company needs two cover-page counts on file before the first is trusted; a split or an unexplained jump pauses publication until a fresh SEC count corroborates it; a secondary share class publishes under the company's primary line; and a foreign filer's short count is in depositary-share units. This page upgrades to a percentage automatically once a defensible count exists.
What is BBN's days to cover?
1.18 days for settlement date 15 Sep 2026: FINRA's own short interest ratio, the reported shares short divided by average daily trading volume, published in the same file and shown verbatim. We hold no volume data ourselves.
Is this the short float?
No. This page shows FINRA's share count only. Short float divides that count by the public float, and short interest as we publish it elsewhere divides it by shares outstanding from SEC filings. Neither denominator is available for this line, so neither ratio is shown.
How often does this update?
FINRA member firms report short positions as of the 15th and the last business day of each month, and FINRA publishes the consolidated figures about nine business days later. We ingest each file the day it appears and re-read recent settlements for revisions.

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