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Calamos S&P 500 Structured Alt Protection ETF - September (CPST)
NYSEARCA: CPST · Real-Time Price · USD
26.72
+0.03 (0.12%)
At close: Sep 26, 2025, 4:00 PM EDT
26.72
0.00 (0.00%)
After-hours: Sep 26, 2025, 8:00 PM EDT

CPST Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Sep 26, 202526.7526.7626.6826.7226.720.12%4,010
Sep 25, 202526.7226.7226.6426.6926.69-0.09%7,915
Sep 24, 202526.7226.7226.6726.7126.71-1,646
Sep 23, 202526.7626.7726.6826.7126.71-0.22%21,522
Sep 22, 202526.7426.7826.7426.7726.770.15%6,672
Sep 19, 202526.7426.7626.7326.7326.730.01%1,216
Sep 18, 202526.7126.7526.7126.7326.730.13%7,871
Sep 17, 202526.7226.7526.6926.6926.690.03%1,944
Sep 16, 202526.7126.7226.6826.6826.680.03%2,249
Sep 15, 202526.7226.7226.6526.6826.680.02%6,283
Sep 12, 202526.7026.7026.6726.6726.670.02%3,323
Sep 11, 202526.6826.7226.6126.6726.670.08%11,976
Sep 10, 202526.6626.6726.6126.6526.650.08%2,611
Sep 9, 202526.6026.6426.6026.6326.630.02%20,517
Sep 8, 202526.6326.6326.6226.6226.620.08%4,945
Sep 5, 202526.6726.6726.5626.6026.600.02%11,908
Sep 4, 202526.5226.6126.5126.6026.600.13%21,265
Sep 3, 202526.5526.5626.5026.5626.560.08%19,304
Sep 2, 202526.5226.6426.4626.5426.54-0.08%171,576
Aug 29, 202526.5026.5726.5026.5626.560.17%19,750
Aug 28, 202526.5026.5226.5026.5226.520.02%1,002
Aug 27, 202526.5126.5126.5126.5126.510.02%763
Aug 26, 202526.5226.5226.5026.5126.51-763
Aug 25, 202526.4626.5126.4626.5126.510.03%11,561
Aug 22, 202526.5026.5026.5026.5026.500.09%10
Aug 21, 202526.4826.4826.4826.4826.48-0.02%148
Aug 20, 202526.4826.4826.4826.4826.480.02%148
Aug 19, 202526.4826.4826.4826.4826.48-0.02%152
Aug 18, 202526.4626.4826.4426.4826.480.02%2,191
Aug 15, 202526.4426.4726.4426.4726.470.07%2,028
Aug 14, 202526.4626.4626.4626.4626.46-0.02%148
Aug 13, 202526.4626.4626.4626.4626.460.04%-
Aug 12, 202526.4526.4526.4526.4526.450.13%482
Aug 11, 202526.4226.4226.4226.4226.42-0.02%639
Aug 8, 202526.4226.4226.4226.4226.420.20%2
Aug 7, 202526.3726.4226.3626.3726.37-0.03%5,290
Aug 6, 202526.3726.3826.3626.3826.380.14%2,571
Aug 5, 202526.3226.3426.3126.3426.34-0.03%6,636
Aug 4, 202526.3126.3526.3126.3526.350.37%2,624
Aug 1, 202526.2526.2626.2126.2526.25-0.30%2,305
Jul 31, 202526.3426.3526.3126.3326.33-0.04%4,945
Jul 30, 202526.3326.3426.3126.3426.34-0.02%3,728
Jul 29, 202526.3226.4026.3226.3526.35-0.04%1,154
Jul 28, 202526.3626.3626.3626.3626.360.06%189
Jul 25, 202526.3426.3426.3426.3426.340.08%2
Jul 24, 202526.3226.3226.3226.3226.320.02%2
Jul 23, 202526.2826.3226.2826.3226.320.15%316
Jul 22, 202526.2426.2826.2426.2826.280.04%171
Jul 21, 202526.2526.3126.2526.2726.270.06%4,258
Jul 18, 202526.2526.2526.2526.2526.250.03%325