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Calamos S&P 500 Structured Alt Protection ETF - September (CPST)
NYSEARCA: CPST · Real-Time Price · USD
27.12
-0.03 (-0.10%)
At close: Mar 6, 2026, 4:00 PM EST
27.12
0.00 (0.00%)
After-hours: Mar 6, 2026, 4:10 PM EST

CPST Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Mar 5, 202627.1427.1527.1127.1527.15-0.15%6,363
Mar 4, 202627.1927.1927.1627.1927.190.08%1,560
Mar 3, 202627.1727.1727.1727.1727.17-0.08%90
Mar 2, 202627.1327.2027.1327.1927.190.01%9,150
Feb 27, 202627.1927.1927.1927.1927.19-0.02%198
Feb 26, 202627.1727.1927.1627.1927.19-0.09%2,426
Feb 25, 202627.2127.2227.2127.2227.220.13%779
Feb 24, 202627.1127.1827.1127.1827.180.24%6,342
Feb 23, 202627.1227.1227.1127.1127.11-0.21%2,909
Feb 20, 202627.1827.1827.1527.1727.170.09%4,008
Feb 19, 202627.1327.1527.1327.1527.15-0.07%332
Feb 18, 202627.1527.1927.1527.1727.170.10%1,628
Feb 17, 202627.1427.1427.1427.1427.140.01%342
Feb 13, 202627.0727.1427.0727.1427.140.05%1,204
Feb 12, 202627.1527.1527.1227.1227.12-0.23%567
Feb 11, 202627.1727.1927.1527.1927.18-0.01%1,640
Feb 10, 202627.1727.2127.1627.1927.19-0.03%11,300
Feb 9, 202627.2127.2427.1727.2027.200.07%4,750
Feb 6, 202627.0927.1927.0927.1827.180.35%2,573
Feb 5, 202627.0827.1327.0427.0827.08-0.10%10,176
Feb 4, 202627.1727.1727.0827.1127.11-0.14%4,447
Feb 3, 202627.1327.1527.1027.1527.15-0.04%1,021
Feb 2, 202627.1427.1627.1427.1627.160.02%907
Jan 30, 202627.1527.1527.1527.1527.15-0.04%58
Jan 29, 202627.1627.1627.1627.1627.16-0.07%207
Jan 28, 202627.1827.2127.1327.1827.180.01%9,460
Jan 27, 202627.1227.1827.1227.1827.180.15%2,361
Jan 26, 202627.1027.1427.1027.1427.14-0.02%877
Jan 23, 202627.1027.1427.1027.1427.140.06%661
Jan 22, 202627.1527.1627.0827.1327.130.09%1,876
Jan 21, 202627.0527.1027.0527.1027.100.19%391
Jan 20, 202627.0527.0527.0127.0527.05-0.24%6,382
Jan 16, 202627.1227.1227.1227.1227.120.04%177
Jan 15, 202627.1127.1127.0927.1127.110.07%550
Jan 14, 202627.0927.1227.0727.0927.09-0.22%3,542
Jan 13, 202627.1027.1527.1027.1527.150.11%1,234
Jan 12, 202627.1027.1527.1027.1227.120.02%1,435
Jan 9, 202627.1127.1127.1127.1127.110.09%1
Jan 8, 202627.0727.0927.0627.0927.090.04%1,767
Jan 7, 202627.0827.0827.0627.0827.08-0.04%901
Jan 6, 202627.0727.0927.0727.0927.090.07%2,278
Jan 5, 202627.0527.0727.0527.0727.070.09%1,094
Jan 2, 202627.0327.0727.0327.0427.040.06%644
Dec 31, 202527.0227.0227.0227.0227.02-0.08%209
Dec 30, 202527.0527.0727.0427.0527.05-0.09%1,813
Dec 29, 202527.0427.0727.0427.0727.07-0.02%226
Dec 26, 202527.0527.0827.0427.0827.080.04%7,718
Dec 24, 202527.0727.0727.0727.0727.070.15%-
Dec 23, 202527.0327.0327.0027.0327.03-0.04%846
Dec 22, 202527.0427.0427.0427.0427.040.04%220
Dec 19, 202527.0327.0327.0327.0327.030.26%-
Dec 18, 202526.9926.9926.9626.9626.960.06%1,311
Dec 17, 202526.9526.9926.9426.9426.94-0.09%1,227
Dec 16, 202526.9726.9726.9626.9726.97-0.06%650
Dec 15, 202527.0027.0026.9826.9826.98-2,418
Dec 12, 202526.9926.9926.9826.9826.98-0.02%465
Dec 11, 202527.0127.0126.9526.9926.990.02%1,701
Dec 10, 202526.9927.0026.9726.9826.980.11%1,325
Dec 9, 202526.9526.9526.9526.9526.950.11%179
Dec 8, 202526.9226.9626.9126.9226.92-0.13%5,442
Dec 5, 202526.9726.9726.9326.9626.960.19%1,300
Dec 4, 202526.9126.9126.9126.9126.91-0.13%1,108
Dec 3, 202526.9126.9426.9026.9426.940.21%4,744
Dec 2, 202526.9026.9026.8926.8926.89-406
Dec 1, 202526.8826.8926.8626.8926.89-4,643
Nov 28, 202526.8926.8926.8926.8926.890.09%-
Nov 26, 202526.8626.8626.8426.8626.860.09%536
Nov 25, 202526.8726.8726.8226.8426.840.09%2,599
Nov 24, 202526.7826.8226.7826.8126.810.22%216
Nov 21, 202526.7526.7526.7526.7526.750.27%-
Nov 20, 202526.7126.7126.6826.6826.68-0.24%726
Nov 19, 202526.7926.7926.7026.7426.74-0.06%13,297
Nov 18, 202526.7726.7726.7226.7626.76-0.07%1,457
Nov 17, 202526.7726.8026.7726.7826.78-0.05%1,524
Nov 14, 202526.8026.8626.7926.7926.79-0.04%3,176
Nov 13, 202526.8526.8526.8026.8026.80-0.23%2,898
Nov 12, 202526.8626.8726.8626.8726.87-0.05%574
Nov 11, 202526.8726.9026.8326.8826.880.05%4,986
Nov 10, 202526.8326.8726.8326.8726.870.35%1,471
Nov 7, 202526.7626.7726.7226.7726.77-0.13%2,538
Nov 6, 202526.8526.8526.8026.8126.81-0.16%1,699
Nov 5, 202526.8326.8626.8326.8526.850.03%259
Nov 4, 202526.8426.8426.8426.8426.840.03%43
Nov 3, 202526.8526.8526.8426.8426.84-0.09%2,085
Oct 31, 202526.8926.8926.8626.8626.86-0.02%1,791
Oct 30, 202526.8726.8726.8726.8726.87-0.07%125
Oct 29, 202526.8926.9026.8926.8926.880.02%807
Oct 28, 202526.8926.9126.8826.8826.88-0.15%3,683
Oct 27, 202526.9226.9326.8626.9226.920.19%4,412
Oct 24, 202526.9026.9026.8426.8726.870.12%6,108
Oct 23, 202526.8526.8626.8426.8426.840.13%953
Oct 22, 202526.8726.8726.7826.8026.80-0.14%5,522
Oct 21, 202526.8626.8626.8426.8426.840.02%2,623
Oct 20, 202526.7826.8626.7826.8426.840.16%2,117
Oct 17, 202526.7626.7926.7626.7926.790.06%800
Oct 16, 202526.8226.8226.7226.7826.78-1,419
Oct 15, 202526.8126.8126.7226.7726.770.10%1,935
Oct 14, 202526.7726.7826.7526.7526.75-0.04%201
Oct 13, 202526.7826.7926.7426.7626.760.20%1,533
Oct 10, 202526.8226.8226.7126.7126.71-0.33%1,559