Calamos S&P 500 Structured Alt Protection ETF - October (CPSO)
NYSEARCA: CPSO · Real-Time Price · USD
28.38
-0.02 (-0.06%)
Nov 13, 2026, 4:00 PM EST - Market closed

CPSO Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Nov 13, 202628.3428.4028.3428.3828.38-0.06%2,387
Nov 12, 202628.4228.4428.4028.4028.40-0.12%949
Nov 11, 202628.4428.4628.4428.4428.440.28%631
Nov 10, 202628.3328.3728.3328.3628.36-0.19%3,993
Nov 9, 202628.4328.4428.4128.4128.410.35%1,142
Nov 6, 202628.3228.3328.2828.3128.310.28%5,245
Nov 5, 202628.4128.4128.2328.2328.23-0.95%7,160
Nov 4, 202628.5128.5528.5028.5028.500.25%9,259
Nov 3, 202628.4028.4528.4028.4328.430.15%5,859
Nov 2, 202628.4428.4428.3928.3928.39-0.22%9,401
Oct 30, 202628.5028.5028.4028.4528.45-0.35%6,455
Oct 29, 202628.5328.5528.5128.5528.55-6,612
Oct 28, 202628.5528.5528.5028.5528.550.17%13,268
Oct 27, 202628.5028.5428.4628.5028.500.11%11,214
Oct 26, 202628.4828.5128.4528.4728.470.09%47,509
Oct 23, 202628.4328.4528.4328.4528.45-0.04%309
Oct 22, 202628.4828.4928.4528.4628.46-0.18%8,007
Oct 21, 202628.5228.5228.5128.5128.510.09%552
Oct 20, 202628.5028.5028.4828.4828.480.09%2,728
Oct 19, 202628.4528.4828.4528.4628.460.14%3,683
Oct 16, 202628.4628.4928.4228.4228.42-0.22%6,395
Oct 15, 202628.5828.5828.4228.4828.480.06%16,053
Oct 14, 202628.4928.4928.4228.4628.46-0.28%4,531
Oct 13, 202628.4928.5428.4928.5428.540.11%2,903
Oct 12, 202628.5228.5328.5128.5128.51-0.11%3,661
Oct 9, 202628.5328.5528.5128.5428.540.08%11,666
Oct 8, 202628.5128.5328.4828.5228.520.01%10,981
Oct 7, 202628.5028.5328.4628.5228.52-0.05%9,630
Oct 6, 202628.4528.5528.4528.5328.530.29%8,510
Oct 5, 202628.5228.5328.4028.4528.450.12%5,748
Oct 2, 202628.4528.4728.4028.4228.420.04%28,495
Oct 1, 202628.3928.5528.3428.4028.400.29%53,797
Sep 30, 202628.3428.3628.3028.3228.32-0.12%11,961
Sep 29, 202628.3428.3628.3228.3628.360.12%9,700
Sep 28, 202628.3128.3628.3028.3228.32-3,768
Sep 25, 202628.2828.3228.2828.3228.320.03%1,166
Sep 24, 202628.3128.3128.3128.3128.31-0.02%168
Sep 23, 202628.3228.3228.3228.3228.320.05%135
Sep 22, 202628.3028.3028.3028.3028.300.01%53
Sep 21, 202628.3028.3028.3028.3028.300.04%22
Sep 18, 202628.3028.3028.2928.2928.290.09%476
Sep 17, 202628.2428.2728.2428.2728.27-0.04%240
Sep 16, 202628.2828.2828.2828.2828.280.12%583
Sep 15, 202628.2428.2428.2428.2428.24-0.05%7
Sep 14, 202628.2828.2828.2528.2528.250.01%598
Sep 11, 202628.2528.2528.2528.2528.250.05%128
Sep 10, 202628.2428.2728.2428.2428.23-0.02%1,609
Sep 9, 202628.2428.2428.2428.2428.24-0.04%737
Sep 8, 202628.2528.2528.2528.2528.25-114
Sep 4, 202628.2528.2528.2528.2528.250.04%199