RiverNorth Managed Duration Municipal Income Fund (RMM) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)

Updated Oct 16, 2026, 4:00 PM ET

What changed since yesterday

Closed at $13.27, +0.84% vs the prior close of $13.16.
Volume 41.04K shares, 0.6x its 50-day average.
No new SEC filings since the prior session.
No new insider buys or sales reported since the prior session.

RMM rises 0.8% to $13.27. Closed at $13.27, +0.84% vs the prior close of $13.16. Day range $13.14–$13.35, opened at $13.29.

Last close$13.27+0.84%

Day range13.14–13.35

Open13.29

Volume41.04K

52-week range12.15–15.00

Avg volume (20d)104.25K

RMM daily analysis — what happened

A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.

Oct 16, 2026 — RMM rises 0.8% to $13.27

Closed at $13.27, +0.84% vs the prior close of $13.16. Day range $13.14–$13.35, opened at $13.29.
Volume was 41.04K shares, 0.6x its 50-day average of 67.80K.
Price is -2.5% vs its 50-day average ($13.62) and -6.1% vs its 200-day average ($14.13).
52-week range $12.15–$15.00; today's close sits at 39% of that range, 11.5% below the 52-week high.

Oct 15, 2026 — RMM rises 2.3% to $13.16 on 2.1x normal volume

Closed at $13.16, +2.25% vs the prior close of $12.87. Day range $12.95–$13.42, opened at $12.95.
Volume was 137.10K shares, 2.1x its 50-day average of 65.82K — unusually heavy trading.
Price is -3.5% vs its 50-day average ($13.64) and -6.9% vs its 200-day average ($14.13).
52-week range $12.15–$15.00; today's close sits at 35% of that range, 12.3% below the 52-week high.

Oct 14, 2026 — RMM dips 1.4% to $12.87

Closed at $12.87, -1.38% vs the prior close of $13.05. Day range $12.87–$13.18, opened at $13.05.
Volume was 73.40K shares, 1.1x its 50-day average of 65.65K.
Price is -5.8% vs its 50-day average ($13.66) and -9.0% vs its 200-day average ($14.14).
52-week range $12.15–$15.00; today's close sits at 25% of that range, 14.2% below the 52-week high.

Oct 13, 2026 — RMM rises 0.9% to $13.05, 4 up days in a row

Closed at $13.05, +0.93% vs the prior close of $12.93. Day range $12.90–$13.09, opened at $12.96.
Volume was 48.80K shares, 0.7x its 50-day average of 65.67K.
Price is -4.7% vs its 50-day average ($13.70) and -7.7% vs its 200-day average ($14.14).
52-week range $12.15–$15.00; today's close sits at 32% of that range, 13.0% below the 52-week high.
That makes 4 straight gains.

Oct 12, 2026 — RMM rises 0.5% to $12.93, 3 up days in a row

Closed at $12.93, +0.47% vs the prior close of $12.87. Day range $12.85–$12.99, opened at $12.96.
Volume was 78.10K shares, 1.2x its 50-day average of 65.12K.
Price is -5.8% vs its 50-day average ($13.72) and -8.6% vs its 200-day average ($14.14).
52-week range $12.15–$15.00; today's close sits at 27% of that range, 13.8% below the 52-week high.
That makes 3 straight gains.

Oct 9, 2026 — RMM rises 2.2% to $12.87

Closed at $12.87, +2.22% vs the prior close of $12.59. Day range $12.62–$13.00, opened at $12.67.
Volume was 75.30K shares, 1.2x its 50-day average of 64.49K.
Price is -6.4% vs its 50-day average ($13.75) and -9.0% vs its 200-day average ($14.15).
52-week range $12.15–$15.00; today's close sits at 25% of that range, 14.2% below the 52-week high.

Oct 8, 2026 — RMM rises 0.3% to $12.59

Closed at $12.59, +0.32% vs the prior close of $12.55. Day range $12.47–$12.69, opened at $12.64.
Volume was 71.50K shares, 1.1x its 50-day average of 64.53K.
Price is -8.6% vs its 50-day average ($13.78) and -11.0% vs its 200-day average ($14.15).
52-week range $12.15–$15.00; today's close sits at 15% of that range, 16.1% below the 52-week high.

Oct 7, 2026 — RMM dips 1.2% to $12.55

Closed at $12.55, -1.18% vs the prior close of $12.70. Day range $12.52–$12.75, opened at $12.70.
Volume was 56.70K shares, 0.9x its 50-day average of 63.82K.
Price is -9.1% vs its 50-day average ($13.81) and -11.4% vs its 200-day average ($14.16).
52-week range $12.15–$15.00; today's close sits at 14% of that range, 16.3% below the 52-week high.

Oct 6, 2026 — RMM rises 1.2% to $12.70 on 2.0x normal volume

Closed at $12.70, +1.20% vs the prior close of $12.55. Day range $12.47–$12.78, opened at $12.57.
Volume was 124.90K shares, 2.0x its 50-day average of 61.69K — unusually heavy trading.
Price is -8.3% vs its 50-day average ($13.85) and -10.3% vs its 200-day average ($14.16).
52-week range $12.15–$15.00; today's close sits at 19% of that range, 15.3% below the 52-week high.

Oct 5, 2026 — RMM dips 1.8% to $12.55

Closed at $12.55, -1.80% vs the prior close of $12.78. Day range $12.53–$12.75, opened at $12.75.
Volume was 85.30K shares, 1.4x its 50-day average of 60.46K.
Price is -9.6% vs its 50-day average ($13.88) and -11.4% vs its 200-day average ($14.17).
52-week range $12.15–$15.00; today's close sits at 14% of that range, 16.3% below the 52-week high.

Oct 2, 2026 — RMM rises 1.5% to $12.78, 3 up days in a row

Closed at $12.78, +1.51% vs the prior close of $12.59. Day range $12.65–$12.84, opened at $12.69.
Volume was 100.10K shares, 1.7x its 50-day average of 59.26K.
Price is -8.2% vs its 50-day average ($13.92) and -9.8% vs its 200-day average ($14.17).
52-week range $12.15–$15.00; today's close sits at 22% of that range, 14.8% below the 52-week high.
That makes 3 straight gains.

RMM latest news & SEC filings

Every SEC filing by or about RMM in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.

Sep 10, 2026 · Form N-CEN — N-CEN filing

N-CEN filing

Source: SEC EDGAR filing 0001049169-26-002592

Sep 4, 2026 · Form N-CSR — N-CSR filing

N-CSR filing

Source: SEC EDGAR filing 0001398344-26-016694

Aug 27, 2026 · Form NPORT-P — NPORT-P filing

NPORT-P filing

Source: SEC EDGAR filing 0001049169-26-002135

Aug 21, 2026 · Form DEF 14A — Proxy statement

Proxy statement — agenda for the shareholder meeting (board elections, executive pay, votes)

Source: SEC EDGAR filing 0001398344-26-015282

Aug 20, 2026 · Form N-PX — Annual proxy voting record

Annual proxy voting record

Source: SEC EDGAR filing 0001438934-26-001121

Jul 28, 2026 · Form 40-17G — 40-17G filing

40-17G filing

Source: SEC EDGAR filing 0001398344-26-012876

Things to know before you trade RMM

How much it moves: over the last 20 sessions the average daily move was 1.23% (largest 2.7%).
Liquidity: about 104.25K shares (≈$1.38M) trade per day on average. Thin volume can mean wider bid/ask spreads.
52-week position: $13.27 vs a range of $12.15–$15.00 (39% of the range).
Dividends: last ex-dividend date Oct 15, 2026 ($0.085/share); 12 payments in the past 12 months.
Splits: none in the last 2 years.
Insider trades (Form 4, last 12 months, recent 25 shown): 0 open-market buys, 0 sales.
Listing: NYSE · industry: —.

RMM market data (last 20 sessions)

Date	Open	High	Low	Close	Volume
Oct 16, 2026	13.29	13.35	13.14	13.27	41.04K
Oct 15, 2026	12.95	13.42	12.95	13.16	137.10K
Oct 14, 2026	13.05	13.18	12.87	12.87	73.40K
Oct 13, 2026	12.96	13.09	12.90	13.05	48.80K
Oct 12, 2026	12.96	12.99	12.85	12.93	78.10K
Oct 9, 2026	12.67	13.00	12.62	12.87	75.30K
Oct 8, 2026	12.64	12.69	12.47	12.59	71.50K
Oct 7, 2026	12.70	12.75	12.52	12.55	56.70K
Oct 6, 2026	12.57	12.78	12.47	12.70	124.90K
Oct 5, 2026	12.75	12.75	12.53	12.55	85.30K
Oct 2, 2026	12.69	12.84	12.65	12.78	100.10K
Oct 1, 2026	12.60	12.65	12.43	12.59	80.00K
Sep 30, 2026	12.25	12.59	12.25	12.54	140.30K
Sep 29, 2026	12.41	12.44	12.15	12.33	195.40K
Sep 28, 2026	12.70	12.70	12.32	12.38	250.60K
Sep 25, 2026	12.93	13.03	12.72	12.72	152.70K
Sep 24, 2026	13.01	13.13	12.85	12.91	153.40K
Sep 23, 2026	13.25	13.25	13.01	13.07	76.00K
Sep 22, 2026	13.22	13.31	13.21	13.26	83.80K
Sep 21, 2026	13.42	13.42	13.27	13.30	60.50K

About RiverNorth Managed Duration Municipal Income Fund

RiverNorth Managed Duration Municipal Income Fund (RMM) is listed on the NYSE and classified by the SEC under “—”. Its business address is in WEST PALM BEACH, FL. State of incorporation: MD. Fiscal year ends January 20. SEC CIK 1771226.

RMM board of directors & executives

From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).

Directors

Name	Role	Latest filing
No Form 3/4/5 filings by this group in the last 12 months.

Executive officers

Name	Title	Latest filing
No Form 3/4/5 filings by this group in the last 12 months.

Recent insider buys & sales

Date	Insider	Type	Shares	Price
No open-market insider buys or sales reported in the last 12 months.

RMM financials (annual, from XBRL filings)

Fiscal year end	Revenue	Net income	Diluted EPS	Operating cash flow
No annual XBRL figures available (foreign filers often report on Form 20-F).

Latest balance sheet: total assets $—, total liabilities $—, cash $—.

RMM earnings / results-day log

Date	Filing	Close that day
No 8-K earnings releases in recent filings.

More on RMM

RMM news & filings feed

Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 16, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.