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HowShorted

RMMZ short interest NYSE

RiverNorth Managed Duration Mu. 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
11,776
vs previous settlement
−1,523 (-11.5%)
days to cover
1.00
Settlement date
15 Sep 2026

Shares short over time

Aggregate net short position time series for RMMZ 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 RMMZ days to cover

Fails to deliver

The SEC's fails-to-deliver figure for RMMZ: 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
695
9 Sep 2026
Highest in window
15,478
15 Oct 2025
Days with a balance
124
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for RiverNorth Managed Duration Mu 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 15K shares.

History

Every FINRA settlement we hold for RMMZ, newest first.

Full reported short interest history
Settlement dateShares shortChangeDays to cover
15 Sep 202611,776−1,5231.00
31 Aug 202613,299−3,6771.00
14 Aug 202616,976−2,4742.19
31 Jul 202619,450−4,1561.77
15 Jul 202623,606−3,2051.31
30 Jun 202626,811+7,2331.69
15 Jun 202619,578+3,3201.17
29 May 202616,258−18,4311.00
15 May 202634,689+5,8972.26
30 Apr 202628,792+5,5231.68
15 Apr 202623,269+9,0181.26
31 Mar 202614,251+11,6561.00
13 Mar 20262,595−2,9711.00
27 Feb 20265,566−2,2831.00
13 Feb 20267,849−4,8821.00
30 Jan 202612,731+4031.00
15 Jan 202612,328−8,0891.00
31 Dec 202520,417−10,2441.00
15 Dec 202530,661−7621.00
28 Nov 202531,423−30,7681.00
14 Nov 202562,191+5,5172.57
31 Oct 202556,674+3,7311.89
15 Oct 202552,943+16,5831.97
30 Sep 202536,360+4,1941.66
15 Sep 202532,166+1,2001.00
29 Aug 202530,966+8,7641.00
15 Aug 202522,202+8561.00
31 Jul 202521,346+15,5281.00
15 Jul 20255,818−4,2811.00
30 Jun 202510,099+2,7141.00
13 Jun 20257,385−5,2271.00
30 May 202512,612+5,1941.00
15 May 20257,418−2,0701.00
30 Apr 20259,488−4,7201.00
15 Apr 202514,208−9,3841.00
31 Mar 202523,592−9,9211.20
14 Mar 202533,513+6,8231.94
28 Feb 202526,690+3,1841.12
14 Feb 202523,506−8,3331.21
31 Jan 202531,839+27,2921.06
15 Jan 20254,547−8,3891.00
31 Dec 202412,936+8,5711.00
13 Dec 20244,365−7541.00
29 Nov 20245,119−1,3331.00
15 Nov 20246,452−5,1081.00
31 Oct 202411,560+5,8871.00
15 Oct 20245,673−5,9311.00
30 Sep 202411,604+7,2571.00
13 Sep 20244,347−9,3731.00
30 Aug 202413,720+6,7001.00
15 Aug 20247,020+1,5981.00
31 Jul 20245,422−2,5751.00
15 Jul 20247,997−11,8881.00
28 Jun 202419,885−15,7061.26
14 Jun 202435,591+10,0661.78
31 May 202425,525+6,5141.77
15 May 202419,011+3,1071.24
30 Apr 202415,904+5,9411.00
15 Apr 20249,963−2,6581.00
28 Mar 202412,621+7,0501.00
15 Mar 20245,571−2,9721.00
29 Feb 20248,543−4181.00
15 Feb 20248,961−17,3511.00
31 Jan 202426,312+5,4131.09
12 Jan 202420,899+3081.00
29 Dec 202320,591+13,3711.00
15 Dec 20237,220−1,5441.00
30 Nov 20238,764+2,6281.00
15 Nov 20236,136−14,0101.00
31 Oct 202320,146+15,8341.00
13 Oct 20234,312−6,1581.00
29 Sep 202310,470+10,1551.00
15 Sep 2023315−6,6491.00
31 Aug 20236,964−2,9291.00
15 Aug 20239,893−7,2321.00
31 Jul 202317,125+8,0461.00
14 Jul 20239,079−5781.00
30 Jun 20239,657+4,0961.00
15 Jun 20235,561+2,8901.00
31 May 20232,671−2,9961.00
15 May 20235,667+1,4501.00
28 Apr 20234,217+2111.00
14 Apr 20234,006+2,3081.00
31 Mar 20231,698−7171.00
15 Mar 20232,415−1,0541.00
28 Feb 20233,469−2,8501.00
15 Feb 20236,319−5,1591.00
31 Jan 202311,478−7,0931.00
13 Jan 202318,571+15,0421.00
30 Dec 20223,529−4,4111.00
15 Dec 20227,940+2,9031.00
30 Nov 20225,037−5,6891.00
15 Nov 202210,726+7,0511.00
31 Oct 20223,675−281.00
14 Oct 20223,703−6,8141.00
30 Sep 202210,517−7,0801.00
15 Sep 202217,597+9,9891.12
31 Aug 20227,608−13,2771.00
15 Aug 202220,885+9,2171.14
29 Jul 202211,668−2,7761.00
15 Jul 202214,444+3,9951.05
30 Jun 202210,449−13,6581.00
15 Jun 202224,107+20,6131.47
31 May 20223,494+1,7761.00
13 May 20221,718+6661.00
29 Apr 20221,052−2,0511.00
14 Apr 20223,103−5,6901.00
31 Mar 20228,793+6,7121.00
15 Mar 20222,081−292,6411.00
28 Feb 2022294,722−295,4634.01
15 Feb 2022590,185–3.59

Scroll inside the table for earlier settlements, back to 15 Feb 2022.

Questions

Frequently asked questions

What is RMMZ's short interest?
11,776 shares short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report, down 1,523 from the previous settlement.
Why is there no percentage for RMMZ?
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 RMMZ's days to cover?
1.00 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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