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Calamos S&P 500 Structured Alt Protection ETF - October (CPSO)
NYSEARCA: CPSO · Real-Time Price · USD
26.95
+0.02 (0.09%)
At close: Nov 28, 2025, 4:00 PM EST
26.95
0.00 (0.00%)
After-hours: Nov 28, 2025, 5:00 PM EST

CPSO Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Nov 28, 202526.9626.9726.9526.9526.950.09%222
Nov 26, 202526.9326.9326.9326.9326.930.09%114
Nov 25, 202526.8926.9026.8926.9026.900.13%189
Nov 24, 202526.8426.8726.8426.8726.870.26%1,117
Nov 21, 202526.8226.8426.8026.8026.790.24%1,130
Nov 20, 202526.8626.9026.7326.7326.73-0.24%7,133
Nov 19, 202526.8126.8126.8026.8026.80-0.09%756
Nov 18, 202526.8226.8326.7926.8226.820.01%40,709
Nov 17, 202526.8326.8826.8226.8226.82-0.05%3,123
Nov 14, 202526.8726.8726.8326.8326.830.02%1,656
Nov 13, 202526.8326.8626.8226.8326.82-0.33%2,654
Nov 12, 202526.9326.9326.9226.9226.92-0.04%4,519
Nov 11, 202526.9326.9626.8926.9326.920.09%8,179
Nov 10, 202526.9026.9026.9026.9026.900.19%92
Nov 7, 202526.8426.8526.8226.8526.850.01%4,795
Nov 6, 202526.8426.8826.8426.8526.85-0.26%4,834
Nov 5, 202526.9226.9326.9026.9226.920.17%4,373
Nov 4, 202526.8526.8826.8526.8726.87-0.16%729
Nov 3, 202526.9026.9626.8826.9126.91-0.01%5,922
Oct 31, 202526.8826.9526.8826.9226.920.07%2,251
Oct 30, 202526.8826.9026.8826.9026.90-0.11%168
Oct 29, 202526.9626.9826.9026.9326.92-0.13%1,315
Oct 28, 202526.9726.9926.9626.9626.96-0.04%6,384
Oct 27, 202526.9626.9926.9626.9726.970.22%7,131
Oct 24, 202526.9326.9526.8826.9126.91-13,835
Oct 23, 202526.9026.9326.8226.9126.910.20%25,122
Oct 22, 202526.9126.9126.8226.8626.86-0.10%31,515
Oct 21, 202526.9126.9126.8426.8826.880.03%12,351
Oct 20, 202526.9526.9526.8726.8726.870.18%3,519
Oct 17, 202526.8226.8726.8226.8326.830.07%21,839
Oct 16, 202526.8526.8526.7526.8126.81-0.06%11,461
Oct 15, 202526.9026.9026.7926.8226.820.03%14,558
Oct 14, 202526.7626.8526.7626.8226.81-0.04%70,734
Oct 13, 202526.7926.8326.7926.8326.830.13%3,330
Oct 10, 202526.8826.8826.7826.7926.79-0.19%9,137
Oct 9, 202527.0027.0026.8426.8426.84-0.06%2,099
Oct 8, 202526.8426.8726.8426.8626.860.09%12,389
Oct 7, 202526.8526.8526.8326.8326.83-0.14%4,513
Oct 6, 202526.8626.8726.8526.8726.870.13%12,586
Oct 3, 202526.8626.8826.8426.8426.84-0.01%19,956
Oct 2, 202526.8126.8526.8026.8426.84-0.04%25,379
Oct 1, 202526.8126.9826.8026.8526.850.19%117,126
Sep 30, 202526.7726.8126.7526.8026.800.12%14,353
Sep 29, 202526.7626.7826.7626.7726.770.04%6,071
Sep 26, 202526.7626.7626.7626.7626.76-140
Sep 25, 202526.7526.7626.7526.7626.76-0.02%1,433
Sep 24, 202526.7426.7626.7426.7626.760.04%131
Sep 23, 202526.7526.7526.7526.7526.750.02%-
Sep 22, 202526.7426.7526.7326.7526.75-1,300
Sep 19, 202526.7526.7526.7526.7526.750.02%-