Calamos S&P 500 Structured Alt Protection ETF - September (CPST)
NYSEARCA: CPST · Real-Time Price · USD
27.91
0.00 (0.00%)
Jul 28, 2026, 12:42 PM EDT - Market open

CPST Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jul 27, 202627.9027.9127.8827.9127.910.02%14,719
Jul 24, 202627.9127.9127.8827.9127.910.05%1,503
Jul 23, 202627.9227.9227.8927.8927.89-0.11%218
Jul 22, 202627.9027.9227.9027.9227.920.02%1,497
Jul 21, 202627.9227.9227.9227.9227.920.07%8
Jul 20, 202627.8927.9327.8927.9027.900.02%1,409
Jul 17, 202627.8727.8927.8727.8927.89-0.05%426
Jul 16, 202627.9327.9327.9127.9127.91-0.02%455
Jul 15, 202627.9327.9327.9127.9127.910.02%255
Jul 14, 202627.8827.9327.8827.9127.910.05%1,929
Jul 13, 202627.8927.8927.8927.8927.89-0.04%7
Jul 10, 202627.9027.9027.9027.9027.900.11%42
Jul 9, 202627.8827.8827.8727.8727.870.04%234
Jul 8, 202627.8627.8627.8627.8627.86-59
Jul 7, 202627.8627.8627.8627.8627.860.02%74
Jul 6, 202627.7827.8627.7827.8627.860.11%2,108
Jul 2, 202627.8327.8327.8327.8327.83-0.02%9
Jul 1, 202627.8327.8327.8327.8327.830.07%7
Jun 30, 202627.8127.8127.7727.8127.810.07%1,222
Jun 29, 202627.7827.8227.7827.7927.790.11%2,717
Jun 26, 202627.7627.7627.7627.7627.760.11%89
Jun 25, 202627.7427.7427.7227.7327.73-0.07%5,359
Jun 24, 202627.7527.7527.7527.7527.75-130
Jun 23, 202627.7527.7527.7527.7527.75-0.14%169
Jun 22, 202627.7627.7927.7627.7927.790.10%144
Jun 18, 202627.8127.8127.7527.7627.760.06%1,181
Jun 17, 202627.7827.7827.7527.7527.75-0.14%227
Jun 16, 202627.7527.8327.7527.7927.790.05%2,271
Jun 15, 202627.7727.7727.7727.7727.770.13%352
Jun 12, 202627.7627.7627.7427.7427.740.07%155
Jun 11, 202627.7427.7427.6727.7227.720.20%2,265
Jun 10, 202627.6627.7027.6227.6627.66-0.14%11,010
Jun 9, 202627.7027.7027.7027.7027.70-0.07%34
Jun 8, 202627.6927.7227.6927.7227.720.07%317
Jun 5, 202627.7227.7527.7027.7027.70-0.18%1,348
Jun 4, 202627.7527.7527.7527.7527.750.02%3
Jun 3, 202627.7527.7527.7527.7527.75-846
Jun 2, 202627.7427.7527.7427.7527.750.07%281
Jun 1, 202627.7327.7327.7327.7327.730.01%112
May 29, 202627.7227.7227.7227.7227.720.03%6
May 28, 202627.6827.7227.6827.7227.720.04%1,106
May 27, 202627.7027.7027.7027.7027.700.02%111
May 26, 202627.7027.7027.7027.7027.700.13%66
May 22, 202627.6727.6727.6727.6727.67-0.01%224
May 21, 202627.6727.6727.6727.6727.670.08%42
May 20, 202627.6127.6527.6127.6527.640.05%738
May 19, 202627.6627.6627.6327.6327.63-808
May 18, 202627.6127.6327.6027.6327.63-0.03%5,491
May 15, 202627.6127.6427.6127.6427.64-0.08%732
May 14, 202627.6627.6627.6627.6627.660.09%266