Calamos S&P 500 Structured Alt Protection ETF - October (CPSO)
NYSEARCA: CPSO · Real-Time Price · USD
27.93
0.00 (0.00%)
Jul 28, 2026, 12:41 PM EDT - Market open

CPSO Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jul 27, 202627.9327.9327.9327.9327.930.05%63
Jul 24, 202627.9227.9227.9227.9227.920.07%6
Jul 23, 202627.9027.9027.9027.9027.90-0.23%96
Jul 22, 202627.9727.9727.9427.9627.960.02%12,099
Jul 21, 202627.9527.9527.9527.9527.950.12%130
Jul 20, 202627.9527.9527.9227.9227.92-1,345
Jul 17, 202627.9227.9227.9227.9227.92-0.09%76
Jul 16, 202627.9827.9827.9527.9527.95-0.04%402
Jul 15, 202627.9627.9627.9627.9627.960.05%32
Jul 14, 202627.9327.9427.9327.9427.940.04%1,577
Jul 13, 202627.9427.9427.9327.9327.93-0.11%190
Jul 10, 202627.9627.9627.9627.9627.960.07%42
Jul 9, 202627.8827.9427.8827.9427.940.19%1,138
Jul 8, 202627.8627.8927.8627.8927.89-0.01%212
Jul 7, 202627.9027.9127.8927.8927.89-0.02%1,106
Jul 6, 202627.9027.9227.9027.9027.900.13%1,444
Jul 2, 202627.8627.8627.8627.8627.860.03%7
Jul 1, 202627.8527.8527.8527.8527.850.04%7
Jun 30, 202627.8427.8427.8427.8427.840.14%7
Jun 29, 202627.8227.8227.8027.8027.800.11%191
Jun 26, 202627.7727.7727.7727.7727.770.06%122
Jun 25, 202627.7527.7527.7527.7527.75-0.04%-
Jun 24, 202627.7727.7727.7727.7727.77-0.03%9
Jun 23, 202627.7727.7727.7727.7727.77-0.18%-
Jun 22, 202627.8327.8327.8327.8327.83-0.04%3
Jun 18, 202627.8627.8627.8027.8427.840.20%2,738
Jun 17, 202627.8627.8627.7827.7827.78-0.18%1,624
Jun 16, 202627.8327.8327.8327.8327.83-0.02%72
Jun 15, 202627.8027.8427.8027.8427.840.24%1,001
Jun 12, 202627.7827.8027.7727.7727.770.09%207
Jun 11, 202627.7227.7527.7227.7527.750.22%164
Jun 10, 202627.6927.6927.6927.6927.68-0.18%27
Jun 9, 202627.7327.7327.7327.7327.73-0.04%25
Jun 8, 202627.7527.7527.7527.7527.750.04%30
Jun 5, 202627.7727.7727.7427.7427.74-0.25%324
Jun 4, 202627.8327.8327.8127.8127.810.02%1,000
Jun 3, 202627.8027.8327.8027.8027.80-0.02%1,327
Jun 2, 202627.8427.8427.8127.8127.810.02%806
Jun 1, 202627.7827.8027.7827.8027.800.02%300
May 29, 202627.7727.8027.7627.8027.800.05%5,191
May 28, 202627.7827.7827.7827.7827.780.06%-
May 27, 202627.7727.7727.7327.7627.760.03%409
May 26, 202627.7627.7627.7627.7627.760.13%-
May 22, 202627.7327.7427.7227.7227.720.03%6,323
May 21, 202627.7027.7127.7027.7127.710.06%182
May 20, 202627.7027.7027.7027.7027.690.11%117
May 19, 202627.6327.6727.6327.6727.67-0.04%287
May 18, 202627.6527.6827.6427.6827.680.02%230
May 15, 202627.6527.6727.6527.6727.67-0.11%1,025
May 14, 202627.7027.7027.7027.7027.700.08%622