Cboe BZX · CSM · ETF
ProShares Large Cap Core Plus (CSM) ETF price history
Every Cboe BZX trading session of ProShares Large Cap Core Plus from Jul 14, 2009 to Sep 28, 2026: 4,329 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.
CSM adjusted close, 2009 to 2026
- $90.00
- All time high, 2026
- $90.27
- 52 week high, $72.59 low
- 4,329
- Daily sessions since 2009
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2009 to 2026 series and minute bars.
CSM key facts
- ProShares Large Cap Core Plus (CSM) closed at $87.07 on Sep 28, 2026 on Cboe BZX.
- CSM's all time high close is $90.00, set on Aug 13, 2026; its all time low close is $8.18 on Jul 14, 2009.
- CSM's 52 week range is $72.59 to $90.27.
- CSM returned +15.5% over the year to Sep 28, 2026 and +82.0% over five years.
- Over ten years CSM returned +272%, +14.0% a year compounded.
- CSM's deepest drawdown was -36.1% from Feb 19, 2020 to Mar 23, 2020.
- DataCedar holds 4,329 daily sessions of CSM history from Jul 14, 2009 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
CSM price chart, 2009 to 2026
CSM returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -1.9% |
| 3 months | +3.7% |
| 6 months | +19.1% |
| Year to date | +9.1% |
| 1 year | +15.5% |
| 3 years | +83.6% |
| 5 years | +82.0% |
| 10 years | +272.1% |
| Since Jul 14, 2009 | +964.5% |
| Compound annual growth, 17.2 years | +14.7% |
CSM records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $90.00 on Aug 13, 2026
- All time low close
- $8.18 on Jul 14, 2009
- 52 week high
- $90.27 on Aug 14, 2026
- 52 week low
- $72.59 on Mar 30, 2026
- Deepest drawdown
- -36.1% from Feb 19, 2020 to Mar 23, 2020, recovered Sep 1, 2020
- Best single session
- +9.9% on Apr 9, 2025
- Worst single session
- -11.6% on Mar 16, 2020
- Volatility, 1 year annualised
- 12.8%
- Sessions closing higher, 1 year
- 54%
- Growth of 1 since 2009
- 10.6×
- Best calendar year
- 2013, +35%
- Worst calendar year
- 2022, -18%
CSM 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. 2009 starts on Jul 14, 2009; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $79.53 | $90.27 | $72.59 | $87.07 | +9.9% | 1.3M | 185 |
| 2025 | $65.28 | $80.16 | $54.28 | $79.24 | +21.8% | 2.7M | 250 |
| 2024 | $52.81 | $67.71 | $52.38 | $65.04 | +22.1% | 2.8M | 252 |
| 2023 | $43.36 | $53.49 | $42.76 | $53.27 | +23.5% | 3.9M | 250 |
| 2022 | $52.94 | $53.25 | $40.25 | $43.13 | -18.3% | 5.1M | 251 |
| 2021 | $39.66 | $53.09 | $38.73 | $52.77 | +33.1% | 5.1M | 252 |
| 2020 | $35.99 | $39.67 | $23.19 | $39.64 | +10.9% | 17.9M | 253 |
| 2019 | $27.26 | $35.84 | $27.07 | $35.73 | +29.3% | 13.5M | 252 |
| 2018 | $30.10 | $32.97 | $25.85 | $27.64 | -7.9% | 18.8M | 251 |
| 2017 | $24.64 | $30.26 | $24.57 | $30.01 | +22.5% | 17M | 251 |
| 2016 | $21.21 | $24.90 | $18.99 | $24.49 | +13.4% | 18.6M | 252 |
| 2015 | $21.70 | $22.36 | $11.81 | $21.59 | -0.3% | 31.2M | 252 |
| 2014 | $18.58 | $22.00 | $17.48 | $21.65 | +16.5% | 28.3M | 252 |
| 2013 | $13.91 | $19.43 | $13.91 | $18.59 | +35.4% | 21.2M | 252 |
| 2012 | $11.97 | $14.15 | $11.81 | $13.73 | +16.7% | 13.8M | 250 |
| 2011 | $11.78 | $13.00 | $9.97 | $11.77 | +0.5% | 22.1M | 252 |
| 2010 | $10.35 | $11.76 | $9.21 | $11.71 | +14.1% | 20.4M | 252 |
| 2009 | $8.14 | $10.40 | $8.12 | $10.26 | n/a | 9.6M | 120 |
CSM monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $87.07 | -1.4% |
| August 2026 | $88.28 | +2.1% |
| July 2026 | $86.49 | +1.5% |
| June 2026 | $85.22 | -1.8% |
| May 2026 | $86.81 | +5.5% |
| April 2026 | $82.32 | +10.3% |
| March 2026 | $74.62 | -4.9% |
| February 2026 | $78.47 | -1.3% |
| January 2026 | $79.49 | +0.3% |
| December 2025 | $79.24 | +1.2% |
| November 2025 | $78.31 | +0.6% |
| October 2025 | $77.83 | +2.5% |
About the CSM data
Daily bars. 4,329 sessions from Jul 14, 2009 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 28, 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 Jul 14, 2009, 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/CSM/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Cboe BZX
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Common questions
CSM share price history
