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CSG Systems International, Inc. (CSGS)
NASDAQ: CSGS · Real-Time Price · USD
80.36
-0.03 (-0.04%)
At close: Apr 28, 2026, 4:00 PM EDT
80.37
+0.01 (0.01%)
After-hours: Apr 28, 2026, 4:10 PM EDT

CSG Systems International Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Apr 28, 202680.5880.6580.3480.3680.36-0.04%524,802
Apr 27, 202680.3480.5780.3480.3980.390.07%338,489
Apr 24, 202680.2380.3780.1980.3380.33-208,626
Apr 23, 202680.2680.3680.2080.3380.330.09%276,465
Apr 22, 202680.2780.3680.2280.2680.26-0.06%235,557
Apr 21, 202680.2980.3880.2580.3180.310.02%314,224
Apr 20, 202680.3180.3380.2380.2980.290.02%209,892
Apr 17, 202680.3980.4680.2280.2780.270.01%336,425
Apr 16, 202680.2280.3580.2080.2680.26-0.09%365,075
Apr 15, 202680.1580.4380.1380.3380.330.22%357,543
Apr 14, 202680.1080.2280.0980.1580.15-0.02%316,074
Apr 13, 202680.0080.2080.0080.1780.170.16%322,721
Apr 10, 202680.0580.0880.0080.0480.04-0.04%238,887
Apr 9, 202680.0580.1279.9980.0780.07-0.04%319,792
Apr 8, 202680.2180.2979.9880.1080.100.04%629,861
Apr 7, 202680.0580.1379.9380.0780.070.02%243,495
Apr 6, 202680.0580.2179.8980.0580.05-227,829
Apr 2, 202680.1780.1779.9880.0580.05-0.15%466,708
Apr 1, 202679.9580.2679.9580.1780.170.29%667,039
Mar 31, 202679.9679.9879.8679.9479.940.11%383,107
Mar 30, 202680.4880.4879.7779.8579.85-0.57%375,357
Mar 27, 202680.0280.3579.9480.3180.310.26%329,785
Mar 26, 202680.0480.1480.0480.1080.10-0.02%154,345
Mar 25, 202680.0580.1979.9280.1280.120.09%370,372
Mar 24, 202680.1780.2379.9980.0580.05-0.39%555,190
Mar 23, 202680.0180.4879.8680.3680.360.61%541,965
Mar 20, 202679.7179.9779.5679.8779.870.18%1,175,488
Mar 19, 202679.5079.7679.5079.7379.730.28%379,109
Mar 18, 202679.8279.8779.5079.5179.51-0.51%503,458
Mar 17, 202679.9780.0279.9079.9279.58-0.06%397,846
Mar 16, 202679.9180.0379.8879.9779.630.08%400,830
Mar 13, 202679.8079.9579.7979.9179.570.15%376,462
Mar 12, 202679.8079.8479.7079.7979.45-0.04%475,480
Mar 11, 202679.8179.9579.7479.8279.48-0.08%478,278
Mar 10, 202680.0180.0179.8379.8879.54-0.42%492,316
Mar 9, 202679.8280.2379.8080.2279.880.40%435,751
Mar 6, 202679.8479.9879.7979.9079.560.10%367,539
Mar 5, 202679.7779.9279.7579.8279.48-0.01%278,020
Mar 4, 202679.9379.9379.7779.8379.490.03%180,045
Mar 3, 202679.7579.9079.7579.8179.470.03%286,699
Mar 2, 202679.8979.9079.7579.7979.45-0.14%270,071
Feb 27, 202679.7779.9779.7579.9079.560.03%346,093
Feb 26, 202679.8179.9979.7679.8879.540.19%230,719
Feb 25, 202679.8279.8779.7079.7379.39-0.11%209,689
Feb 24, 202679.7779.8679.7079.8279.480.15%215,485
Feb 23, 202680.1580.1579.6579.7079.36-0.29%259,854
Feb 20, 202679.5879.9679.5879.9379.590.35%330,139
Feb 19, 202679.6979.7079.5879.6579.31-0.05%301,850
Feb 18, 202679.7379.7379.6179.6979.35-445,096
Feb 17, 202679.6579.8479.6379.6979.350.04%260,952
Feb 13, 202679.6379.9079.5579.6679.320.06%359,008
Feb 12, 202679.5279.8379.4379.6179.270.03%821,284
Feb 11, 202679.7479.8279.5979.5979.25-0.16%384,065
Feb 10, 202679.5779.8279.5779.7279.380.13%250,826
Feb 9, 202679.8879.9279.5879.6279.28-0.55%281,850
Feb 6, 202679.7580.2079.5380.0679.720.25%327,747
Feb 5, 202679.4280.6779.4179.8679.520.52%543,006
Feb 4, 202679.8079.8279.4279.4579.11-0.30%426,196
Feb 3, 202679.7179.8379.6679.6979.35-0.15%817,806
Feb 2, 202679.7579.8379.6979.8179.470.08%369,485
Jan 30, 202679.6579.9579.6579.7579.410.13%575,907
Jan 29, 202679.6679.8779.4979.6579.31-0.18%367,613
Jan 28, 202679.9080.0079.7479.7979.45-0.15%352,134
Jan 27, 202679.8580.0879.8579.9179.57-281,400
Jan 26, 202679.8579.9179.7679.9179.570.28%467,730
Jan 23, 202679.7979.8479.6779.6979.35-0.18%240,745
Jan 22, 202680.2880.2879.6379.8379.490.09%461,664
Jan 21, 202679.8079.8879.6179.7679.420.28%285,804
Jan 20, 202679.5479.7679.5079.5479.20-0.08%271,404
Jan 16, 202679.4579.7579.4079.6079.260.15%929,968
Jan 15, 202679.4879.5579.4479.4879.140.03%409,487
Jan 14, 202679.5079.5779.4579.4679.12-0.05%457,953
Jan 13, 202679.4979.6079.4579.5079.160.01%204,107
Jan 12, 202679.4679.6079.4279.4979.15-0.03%466,906
Jan 9, 202679.3979.6379.3179.5179.170.06%466,223
Jan 8, 202679.4379.5479.3379.4679.120.08%818,989
Jan 7, 202679.3079.5579.2379.4079.062.78%2,206,450
Jan 6, 202677.0377.3476.9477.2576.920.01%389,389
Jan 5, 202676.7077.3076.6377.2476.910.63%519,445
Jan 2, 202676.7076.8576.7076.7676.430.09%708,693
Dec 31, 202576.7576.9076.4676.6976.36-240,618
Dec 30, 202576.9276.9576.6376.6976.36-0.30%248,285
Dec 29, 202577.0077.0276.8376.9276.59-0.10%295,464
Dec 26, 202577.0077.0076.8677.0076.670.06%159,609
Dec 24, 202576.9777.1176.9176.9576.62-0.03%140,148
Dec 23, 202576.8277.1076.7376.9776.64-0.01%366,755
Dec 22, 202576.7277.0676.7276.9876.65-0.04%344,113
Dec 19, 202577.0077.1876.9377.0176.36-0.01%1,175,453
Dec 18, 202577.1377.1376.8877.0276.370.06%487,544
Dec 17, 202577.0777.1476.8576.9776.32-0.06%414,640
Dec 16, 202577.1777.3776.9377.0276.370.01%297,075
Dec 15, 202577.1777.2276.8177.0176.36-0.13%469,051
Dec 12, 202577.0977.1976.6477.1176.460.03%239,225
Dec 11, 202577.0477.4276.7977.0976.440.35%256,888
Dec 10, 202576.2276.8576.1076.8276.180.47%891,292
Dec 9, 202576.3676.5576.0976.4675.820.16%303,125
Dec 8, 202577.1277.7576.2476.3475.70-0.87%342,870
Dec 5, 202577.2077.3277.0077.0176.36-0.34%419,744
Dec 4, 202577.3977.3976.7277.2776.62-0.19%395,161
Dec 3, 202578.0078.0377.4177.4276.77-0.88%382,319