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CPSThistorical intraday data

ListedCalamos S&P 500 Structured Alt Protection ETF - SeptemberNYSE Arca

Calamos S&P 500 Structured Alt Protection ETF - September (CPST) is an exchange-traded fund listed on NYSE Arca. CPST has 4,979 trading days on file, from September 10, 2003 to November 9, 2026, with 14,725,803 trades. There are 1,214,070 1-minute bars on file.

On file

First day
2003-09-10
Last day
2026-11-09
Trading days
4,979
Trades
14,725,803
1-minute bars
1,214,070
Bars, about
18 MB
Trades, about
203 MB
Quotes, about
222 MB

Sizes are approximate: this ticker’s share of the Parquet files.

Trading history

Trades per calendar year. Busiest year: 2014, with 1,825,610 trades over 252 trading days. No data for 2022–2023.

No CPST data for 2022 to 2023. A gap usually means the symbol belonged to a different company before and after it. The name above is the latest on record.

Sample rows

CPST1-minute bars, 2026-11-09, Eastern Time
CPST 1-minute bars. Time is Eastern Time, prices are in USD.
Time (ET)OpenHighLowCloseVolumeTrades
12:1028.1628.1628.1628.161,4006
14:1828.1328.1328.1328.131191
15:5828.1728.1728.1728.171001

CPST by year

YearTrading days on fileTrades
20037988,540
2004252242,892
20052521,554,288
2006251975,024
2007251671,725
20082531,787,005
2009252982,198
2010252842,777
20112521,462,792
2012250959,496
20132521,014,604
20142521,825,610
2015252686,520
2016252262,875
2017251202,249
2018251387,914
2019252271,753
2020253242,059
202175251,395
2024843,233
20252505,208
20262115,646