Skip to main content
Livermore
Livermore
US stocksTW
ZHEN

RiverNorth Managed Duration Municipal Income Fund II, Inc.

RMMZ
Exchange
NYSE
SEC CIK
0001870833

No open-market purchases or sales by RiverNorth Managed Duration Municipal Income Fund II, Inc. insiders were filed in the last 90 days; 22 institutions reported holding it in 13F filings for Q2 2026, worth $24.3M in total; no superinvestor holds it.

Four kinds of short-selling data, each measuring something different:

  • Short interest: shares sold short and not yet bought back, as of a settlement date. FINRA publishes it twice a month, about eight business days after the settlement date.
  • Daily short volume: shares sold short each day in off-exchange trades reported to FINRA. It counts trades, not open positions, and is published the next day.
  • Fails-to-deliver: shares not delivered by the settlement date. The SEC publishes them twice a month, about two weeks late.
  • ATS (dark pool) volume: weekly volume on alternative trading systems and other off-exchange venues. FINRA publishes it two to four weeks after the week.

More in the glossary.

Short interest

Shares sold short and not yet bought back, from FINRA, on every settlement date in the last two years.

Short interest
31.1K
Shares, settlement Oct 30, 2026
Change
+14.5K
+87.2% vs. Oct 15, 2026
Days to cover
1.98
Short interest ÷ average daily volume
Average daily volume
15.7K
Shares, as reported by FINRA
Short interest by settlement date
Oct 31, 2024: 11,560 sharesNov 15, 2024: 6,452 sharesNov 29, 2024: 5,119 sharesDec 13, 2024: 4,365 sharesDec 31, 2024: 12,936 sharesJan 15, 2025: 4,547 sharesJan 31, 2025: 31,839 sharesFeb 14, 2025: 23,506 sharesFeb 28, 2025: 26,690 sharesMar 14, 2025: 33,513 sharesMar 31, 2025: 23,592 sharesApr 15, 2025: 14,208 sharesApr 30, 2025: 9,488 sharesMay 15, 2025: 7,418 sharesMay 30, 2025: 12,612 sharesJun 13, 2025: 7,385 sharesJun 30, 2025: 10,099 sharesJul 15, 2025: 5,818 sharesJul 31, 2025: 21,346 sharesAug 15, 2025: 22,202 sharesAug 29, 2025: 30,966 sharesSep 15, 2025: 32,166 sharesSep 30, 2025: 36,360 sharesOct 15, 2025: 52,943 sharesOct 31, 2025: 56,674 sharesNov 14, 2025: 62,191 sharesNov 28, 2025: 31,423 sharesDec 15, 2025: 30,661 sharesDec 31, 2025: 20,417 sharesJan 15, 2026: 12,328 sharesJan 30, 2026: 12,731 sharesFeb 13, 2026: 7,849 sharesFeb 27, 2026: 5,566 sharesMar 13, 2026: 2,595 sharesMar 31, 2026: 14,251 sharesApr 15, 2026: 23,269 sharesApr 30, 2026: 28,792 sharesMay 15, 2026: 34,689 sharesMay 29, 2026: 16,258 sharesJun 15, 2026: 19,578 sharesJun 30, 2026: 26,811 sharesJul 15, 2026: 23,606 sharesJul 31, 2026: 19,450 sharesAug 14, 2026: 16,976 sharesAug 31, 2026: 13,299 sharesSep 15, 2026: 11,776 sharesSep 30, 2026: 20,243 sharesOct 15, 2026: 16,612 sharesOct 30, 2026: 31,089 shares
Short interest in RMMZ by settlement date
Settlement dateShort interestChangeChange %Avg. daily volumeDays to cover
Oct 30, 202631.1K+14.5K+87.2%15.7K1.98
Oct 15, 202616.6K−3.63K−17.9%38.9K1.00
Sep 30, 202620.2K+8.47K+71.9%32.3K1.00
Sep 15, 202611.8K−1.52K−11.5%19.4K1.00
Aug 31, 202613.3K−3.68K−21.7%14.9K1.00
Aug 14, 202617.0K−2.47K−12.7%7.76K2.19
Jul 31, 202619.4K−4.16K−17.6%11.0K1.77
Jul 15, 202623.6K−3.21K−12.0%18.0K1.31
Jun 30, 202626.8K+7.23K+36.9%15.9K1.69
Jun 15, 202619.6K+3.32K+20.4%16.7K1.17
May 29, 202616.3K−18.4K−53.1%16.6K1.00
May 15, 202634.7K+5.90K+20.5%15.3K2.26
Apr 30, 202628.8K+5.52K+23.7%17.1K1.68
Apr 15, 202623.3K+9.02K+63.3%18.5K1.26
Mar 31, 202614.3K+11.7K+449.2%15.9K1.00
Mar 13, 20262.60K−2.97K−53.4%20.5K1.00
Feb 27, 20265.57K−2.28K−29.1%22.3K1.00
Feb 13, 20267.85K−4.88K−38.4%29.6K1.00
Jan 30, 202612.7K+403+3.3%21.9K1.00
Jan 15, 202612.3K−8.09K−39.6%21.9K1.00
Dec 31, 202520.4K−10.2K−33.4%53.9K1.00
Dec 15, 202530.7K−762−2.4%39.4K1.00
Nov 28, 202531.4K−30.8K−49.5%42.2K1.00
Nov 14, 202562.2K+5.52K+9.7%24.2K2.57
Oct 31, 202556.7K+3.73K+7.1%30.0K1.89
Oct 15, 202552.9K+16.6K+45.6%26.9K1.97
Sep 30, 202536.4K+4.19K+13.0%21.9K1.66
Sep 15, 202532.2K+1.20K+3.9%39.9K1.00
Aug 29, 202531.0K+8.76K+39.5%49.6K1.00
Aug 15, 202522.2K+856+4.0%31.8K1.00
Jul 31, 202521.3K+15.5K+266.9%42.1K1.00
Jul 15, 20255.82K−4.28K−42.4%47.1K1.00
Jun 30, 202510.1K+2.71K+36.8%36.6K1.00
Jun 13, 20257.38K−5.23K−41.4%24.1K1.00
May 30, 202512.6K+5.19K+70.0%22.8K1.00
May 15, 20257.42K−2.07K−21.8%31.8K1.00
Apr 30, 20259.49K−4.72K−33.2%26.5K1.00
Apr 15, 202514.2K−9.38K−39.8%31.2K1.00
Mar 31, 202523.6K−9.92K−29.6%19.7K1.20
Mar 14, 202533.5K+6.82K+25.6%17.3K1.94
Feb 28, 202526.7K+3.18K+13.6%23.8K1.12
Feb 14, 202523.5K−8.33K−26.2%19.3K1.21
Jan 31, 202531.8K+27.3K+600.2%30.0K1.06
Jan 15, 20254.55K−8.39K−64.9%29.2K1.00
Dec 31, 202412.9K+8.57K+196.4%85.2K1.00
Dec 13, 20244.37K−754−14.7%38.1K1.00
Nov 29, 20245.12K−1.33K−20.7%33.2K1.00
Nov 15, 20246.45K−5.11K−44.2%29.3K1.00
Oct 31, 202411.6K+5.89K+103.8%21.1K1.00

Fails-to-deliver

Shares that weren't delivered by the settlement date, from the SEC, for the last 30 dates with fails. The price is the previous day's closing price published by the SEC.

Fails-to-deliver in RMMZ by settlement date
Settlement dateSharesPriceValue
Oct 14, 20265,222$13.39$69.9K
Oct 13, 20269,332$13.24$123.6K
Oct 9, 202640$12.93$517.2
Oct 5, 202616,877$13.27$224.0K
Oct 1, 20261,284$13.11$16.8K
Sep 30, 20265,502$12.99$71.5K
Sep 28, 20261,659$13.29$22.0K
Sep 23, 2026437$13.68$5.98K
Sep 22, 2026833$13.75$11.5K
Sep 21, 2026103$13.82$1.42K
Sep 18, 2026231$13.96$3.22K
Sep 17, 2026303$13.95$4.23K
Sep 16, 2026301$14.04$4.23K
Sep 9, 2026695$14.50$10.1K
Sep 1, 202667$14.90$998.3
Aug 28, 2026585$14.88$8.70K
Aug 27, 20262,062$14.74$30.4K
Aug 26, 2026804$14.86$11.9K
Aug 25, 202653$14.65$776.45
Aug 24, 2026373$14.57$5.43K
Aug 21, 2026434$14.61$6.34K
Aug 20, 20262,682$14.68$39.4K
Aug 19, 2026205$14.71$3.02K
Aug 17, 202619$14.74$280.06
Aug 11, 2026230$14.87$3.42K
Aug 10, 2026206$14.89$3.07K
Jul 17, 202625$14.88$372
Jul 10, 2026300$15.00$4.50K
Jul 9, 2026301$14.94$4.50K
Jul 8, 202682$14.94$1.23K

Daily short volume

Off-exchange short-sale volume, not short interest: shares sold short each day in trades reported to FINRA, for the last 30 trading days.

The short volume ratio isn't a sentiment gauge: market makers sell short to fill buy orders and to hedge, so short sales are usually about half of off-exchange volume.

Off-exchange short volume in RMMZ by trade date
Trade dateShort volumeShort exemptOff-exchange volumeShort volume ratio
Nov 13, 20264,516016,98626.6%
Nov 12, 202613,272056,05223.7%
Nov 11, 20262,690025,49910.5%
Nov 10, 20267,141022,52431.7%
Nov 9, 20264,809021,77422.1%
Nov 6, 20263,31609,26835.8%
Nov 5, 20261,53107,07021.7%
Nov 4, 20262,204010,04721.9%
Nov 3, 20262,884028,37710.2%
Nov 2, 2026303014,2222.1%
Oct 30, 20264,19608,67648.4%
Oct 29, 202610,0947,45918,75353.8%
Oct 28, 20265,948011,95649.7%
Oct 27, 20269,375014,73763.6%
Oct 26, 202613,631022,88759.6%
Oct 23, 202630706,7364.6%
Oct 22, 202669504,49515.5%
Oct 21, 2026303,7570.1%
Oct 20, 20262,89005,57351.9%
Oct 19, 20268,340011,45072.8%
Oct 16, 20261,74406,05528.8%
Oct 15, 202618,3751,30034,18953.7%
Oct 14, 20267,243016,95442.7%
Oct 13, 20264,357013,43732.4%
Oct 12, 20268,964013,28867.5%
Oct 9, 202627,9021,35241,61867.0%
Oct 8, 20264,543013,65933.3%
Oct 7, 202612,129017,13570.8%
Oct 6, 20268,403027,90730.1%
Oct 5, 202624,66466042,09558.6%

ATS (dark pool) volume

Weekly volume on alternative trading systems (ATS) and other off-exchange (OTC) venues, from FINRA, for the last 12 weeks. ATS share is ATS volume ÷ (ATS + OTC volume), not a share of all trading.

Weekly ATS and OTC volume in RMMZ
Week ofTierATS sharesATS tradesOther OTC sharesOther OTC tradesATS share
Oct 5, 2026T226,548275116,05825718.6%
Sep 28, 2026T217,505241136,38840911.4%
Sep 21, 2026T27,53511298,4423007.1%
Sep 14, 2026T214,601131114,45843911.3%
Sep 7, 2026T23,4563927,41015511.2%
Aug 31, 2026T24,12210823,33519815.0%
Aug 24, 2026T212,27821232,40424427.5%
Aug 17, 2026T210,84810529,09817327.2%
Aug 10, 2026T22,1622535,8141765.7%
Aug 3, 2026T21,5291816,9911688.3%
Jul 27, 2026T24,78719430,70021213.5%
Jul 20, 2026T23,0084834,9611437.9%