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RYTM
$86.17-2.05%
as of close, Oct 16, 2026
☾ AH $86.17 -2.05%
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Rhythm Pharmaceuticals Inc. monthly returns

Rhythm Pharmaceuticals Inc. has averaged 3.66% per month, positive in 44% of months. Month-by-month returns for Rhythm Pharmaceuticals Inc. (RYTM) below, through October 16, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.

Average month
+3.7%
106 months
Best month
+203.6%
Jul 2022
Worst month
-45.7%
Apr 2022
Positive months
44%
of all months

Rhythm Pharmaceuticals Inc. monthly returns#

Rhythm Pharmaceuticals Inc. total return by month
MonthTotal return
Oct 2026
-9.5%
Sep 2026
-10.3%
Aug 2026
+6.9%
Jul 2026
-10.6%
Jun 2026
+25.7%
May 2026
+8.6%
Apr 2026
-6.5%
Mar 2026
-6.2%
Feb 2026
-9.5%
Jan 2026
-4.2%
Dec 2025
-1.9%
Nov 2025
-4.1%
Oct 2025
+12.6%
Sep 2025
-2.1%
Aug 2025
+21.0%
Jul 2025
+34.9%
Jun 2025
+3.0%
May 2025
-5.9%
Apr 2025
+23.1%
Mar 2025
-3.5%
Feb 2025
-7.6%
Jan 2025
+6.2%
Dec 2024
-9.8%
Nov 2024
+30.0%
Oct 2024
-8.9%
Sep 2024
+10.8%
Aug 2024
-1.9%
Jul 2024
+17.4%
Jun 2024
+15.1%
May 2024
-10.3%
Apr 2024
-8.2%
Mar 2024
-0.2%
Feb 2024
-1.6%
Jan 2024
-4.0%
Dec 2023
+37.5%
Nov 2023
+44.7%
Oct 2023
+0.8%
Sep 2023
-11.9%
Aug 2023
+45.8%
Jul 2023
+8.2%
Jun 2023
-1.0%
May 2023
-17.4%
Apr 2023
+13.1%
Mar 2023
-26.6%
Feb 2023
-11.1%
Jan 2023
-6.1%
Dec 2022
+8.8%
Nov 2022
+6.4%
Oct 2022
+2.7%
Sep 2022
+8.4%
Aug 2022
+79.4%
Jul 2022
+203.6%
Jun 2022
+20.6%
May 2022
-45.0%
Apr 2022
-45.7%
Mar 2022
+51.2%
Feb 2022
+2.8%
Jan 2022
-25.8%
Dec 2021
+11.5%
Nov 2021
-22.2%
Oct 2021
-11.9%
Sep 2021
+0.4%
Aug 2021
-24.8%
Jul 2021
-11.7%
Jun 2021
-0.2%
May 2021
-9.0%
Apr 2021
+1.4%
Mar 2021
-17.9%
Feb 2021
-15.5%
Jan 2021
+3.2%
Dec 2020
-3.9%
Nov 2020
+46.2%
Oct 2020
-2.3%
Sep 2020
-26.6%
Aug 2020
+53.5%
Jul 2020
-13.8%
Jun 2020
+15.0%
May 2020
+2.9%
Apr 2020
+23.8%
Mar 2020
-20.2%
Feb 2020
+8.8%
Jan 2020
-23.6%
Dec 2019
+2.3%
Nov 2019
+5.3%
Oct 2019
-1.3%
Sep 2019
-4.1%
Aug 2019
+17.0%
Jul 2019
-12.5%
Jun 2019
-12.7%
May 2019
-0.4%
Apr 2019
-7.8%
Mar 2019
-4.4%
Feb 2019
+7.8%
Jan 2019
-1.0%
Dec 2018
-9.0%
Nov 2018
+5.4%
Oct 2018
-4.0%
Sep 2018
-7.4%
Aug 2018
+1.5%
Jul 2018
-0.7%
Jun 2018
-2.7%
May 2018
+35.5%
Apr 2018
+19.1%
Mar 2018
-23.0%
Feb 2018
-18.1%
Jan 2018
+8.6%
Dec 2017
+1.7%
Nov 2017
+11.7%

Monthly total return (since Nov 2021)#

Rhythm Pharmaceuticals Inc. returns by calendar month#

Every month of every year since 2018, one tick per year on a shared scale; the dark bar is the month's average. Total returns, dividends reinvested.

October 2026 so far: -9.50% — 8th of 9 Octobers since 2018 at the last close; the average October returned -1.5%.

Rhythm Pharmaceuticals Inc. returns by calendar month since 2018
Month−205%0+205%AverageUp
Jan-5.2%33%
Feb-4.9%33%
Mar-5.7%11%
Apr+1.4%56%
May-4.6%33%
Jun+7.0%56%
Jul+23.9%44%
Aug+22.1%78%
Sep-4.8%33%
OctOctober 2026 so far: -9.5%-1.5%38%
Nov+13.9%75%
Dec+4.4%50%

Methodology#

Monthly returns are total returns (dividends reinvested), computed from RYTM's split- and dividend-adjusted month-end closes. The table shows the most recent 120 months and the bar chart the most recent 60. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.

FAQ#

What is Rhythm Pharmaceuticals Inc.'s average monthly return?
Rhythm Pharmaceuticals Inc. (RYTM) has averaged about 3.66% per month, positive in roughly 44% of months. The best month was Jul 2022 (+203.6%) and the worst was Apr 2022 (-45.7%).

More on Rhythm Pharmaceuticals Inc.