Calamos S&P 500 Structured Alt Protection Etf June (CPSU)
NYSEARCA: CPSU · Real-Time Price · USD
27.95
+0.08 (0.28%)
Sep 25, 2026, 4:00 PM EDT - Market closed

CPSU Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Sep 25, 202627.9227.9527.9227.9527.950.28%737
Sep 24, 202627.9227.9227.8727.8727.87-0.04%476
Sep 23, 202627.8927.8927.8827.8827.88-0.14%251
Sep 22, 202627.9227.9227.9127.9227.920.04%928
Sep 21, 202627.8927.9127.8927.9127.910.20%1,319
Sep 18, 202627.8027.8527.8027.8527.850.11%1,917
Sep 17, 202627.8327.8527.8227.8227.820.14%643
Sep 16, 202627.7727.7927.7727.7927.79-0.12%212
Sep 15, 202627.8327.8327.8227.8227.82-0.05%200
Sep 14, 202627.7927.8627.7827.8427.84-0.15%9,027
Sep 11, 202627.8827.8827.8827.8827.880.25%18
Sep 10, 202627.7927.8727.7927.8127.81-0.18%8,562
Sep 9, 202627.8627.8627.8627.8627.86-0.09%89
Sep 8, 202627.9327.9327.8927.8927.89-0.10%1,456
Sep 4, 202627.9227.9627.8827.9127.91-0.02%2,634
Sep 3, 202627.9227.9227.9227.9227.920.20%20
Sep 2, 202627.8427.8627.8427.8627.860.12%2,811
Sep 1, 202627.8327.8927.8027.8327.83-0.20%6,449
Aug 31, 202627.8427.8927.8427.8927.89-0.05%1,511
Aug 28, 202627.9427.9427.9027.9027.90-0.07%572
Aug 27, 202627.9027.9627.8927.9227.920.14%1,866
Aug 26, 202627.9027.9027.8827.8827.88-0.07%1,171
Aug 25, 202627.8627.9027.8627.9027.900.13%246
Aug 24, 202627.8627.8727.8627.8727.87-0.12%515
Aug 21, 202627.9027.9027.9027.9027.900.09%1,018
Aug 20, 202627.9027.9127.8627.8727.87-0.15%1,239
Aug 19, 202627.8927.9127.8927.9127.910.05%373
Aug 18, 202627.9027.9027.9027.9027.90-0.10%26
Aug 17, 202627.9127.9627.9127.9327.93-0.09%3,266
Aug 14, 202627.9327.9727.9327.9527.950.04%1,265
Aug 13, 202627.8727.9427.8727.9427.940.25%5,355
Aug 12, 202627.8527.8727.8527.8727.87-0.05%297
Aug 11, 202627.9227.9227.8727.8927.89-0.04%2,385
Aug 10, 202627.8827.9327.8727.9027.90-0.07%2,280
Aug 7, 202627.9027.9227.9027.9227.920.14%422
Aug 6, 202627.9027.9027.8727.8827.87-0.02%1,005
Aug 5, 202627.8827.8827.8827.8827.88-18
Aug 4, 202627.8127.8927.8127.8827.880.34%1,320
Aug 3, 202627.7927.7927.7927.7927.790.27%12
Jul 31, 202627.6527.7327.6527.7127.710.24%6,117
Jul 30, 202627.6827.7027.6027.6527.650.43%5,900
Jul 29, 202627.6427.6727.5227.5327.53-0.46%7,648
Jul 28, 202627.6627.6627.6627.6627.660.13%14
Jul 27, 202627.5927.6227.5927.6227.62-1,224
Jul 24, 202627.6227.6227.6227.6227.62-0.02%134
Jul 23, 202627.6327.6427.6327.6327.63-0.23%651
Jul 22, 202627.6927.6927.6927.6927.69-0.04%22
Jul 21, 202627.7227.7327.7027.7027.700.09%422
Jul 20, 202627.6827.6827.6427.6827.670.04%945
Jul 17, 202627.7027.7027.6727.6727.67-0.18%542