Cboe BZX · MAMB · ETF
Monarch Ambassador Income Index ETF (MAMB) ETF price history
Every Cboe BZX trading session of Monarch Ambassador Income Index ETF from Mar 29, 2021 to Sep 28, 2026: 1,382 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
MAMB adjusted close, 2021 to 2026
- $24.54
- All time high, 2026
- $24.57
- 52 week high, $22.89 low
- 1,382
- Daily sessions since 2021
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2021 to 2026 series and minute bars.
MAMB key facts
- Monarch Ambassador Income Index ETF (MAMB) closed at $23.00 on Sep 28, 2026 on Cboe BZX.
- MAMB's all time high close is $24.54, set on Feb 27, 2026; its all time low close is $18.96 on Oct 20, 2022.
- MAMB's 52 week range is $22.89 to $24.57.
- MAMB returned -0.4% over the year to Sep 28, 2026 and -0.5% over five years.
- Since Mar 29, 2021 MAMB returned +1%, +0.2% a year compounded.
- MAMB's deepest drawdown was -19.3% from Sep 3, 2021 to Oct 20, 2022.
- DataCedar holds 1,382 daily sessions of MAMB history from Mar 29, 2021 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
MAMB price chart, 2021 to 2026
MAMB returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -3.8% |
| 3 months | -4.6% |
| 6 months | -2.8% |
| Year to date | -3.1% |
| 1 year | -0.4% |
| 3 years | +17.2% |
| 5 years | -0.5% |
| 10 years | n/a |
| Since Mar 29, 2021 | +1.3% |
| Compound annual growth, 5.5 years | +0.2% |
MAMB records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $24.54 on Feb 27, 2026
- All time low close
- $18.96 on Oct 20, 2022
- 52 week high
- $24.57 on Feb 27, 2026
- 52 week low
- $22.89 on Sep 16, 2026
- Deepest drawdown
- -19.3% from Sep 3, 2021 to Oct 20, 2022, recovered Oct 13, 2025
- Best single session
- +2.3% on Nov 10, 2022
- Worst single session
- -1.9% on Jun 13, 2022
- Volatility, 1 year annualised
- 6.0%
- Sessions closing higher, 1 year
- 52%
- Best calendar year
- 2025, +11%
- Worst calendar year
- 2022, -13%
MAMB price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2021 starts on Mar 29, 2021; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $23.65 | $24.57 | $22.89 | $23.00 | -2.8% | 5.3M | 185 |
| 2025 | $21.41 | $23.94 | $21.14 | $23.66 | +10.7% | 6.2M | 250 |
| 2024 | $21.01 | $22.45 | $20.41 | $21.37 | +1.3% | 4.7M | 252 |
| 2023 | $20.19 | $21.22 | $19.22 | $21.09 | +4.9% | 3.1M | 250 |
| 2022 | $23.00 | $23.00 | $18.94 | $20.11 | -13.0% | 1.9M | 251 |
| 2021 | $22.71 | $23.52 | $22.64 | $23.12 | n/a | 1M | 194 |
MAMB monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $23.00 | -3.7% |
| August 2026 | $23.88 | +1.3% |
| July 2026 | $23.57 | -2.0% |
| June 2026 | $24.05 | -0.5% |
| May 2026 | $24.18 | +0.6% |
| April 2026 | $24.03 | +0.4% |
| March 2026 | $23.94 | -2.4% |
| February 2026 | $24.54 | +2.2% |
| January 2026 | $24.01 | +1.5% |
| December 2025 | $23.66 | -0.4% |
| November 2025 | $23.74 | +0.9% |
| October 2025 | $23.53 | +1.3% |
About the MAMB data
Daily bars. 1,382 sessions from Mar 29, 2021 to Sep 28, 2026, one row per Cboe BZX trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Jul 13, 2026 forward, most recent session Sep 25, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are Cboe BZX trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Mar 29, 2021, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/MAMB/bars?timeframe=1Day&adjustment=all&limit=50000" \
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Common questions
MAMB share price history
