| 2019 |
| 07/05 | 948 | 951 | 936 | 937 | -0.78% | 163,800 | 1399億6394万 | +0.79% |
| 07/04 | 937 | 950 | 937 | 945 | +1.14% | 157,800 | 1410億5896万 | +1.69% |
| 07/03 | 932 | 938 | 928 | 934 | -0.04% | 249,900 | 1394億6620万 | +0.65% |
| 07/02 | 931 | 938 | 927 | 934 | +0.04% | 262,500 | 1395億1598万 | +0.68% |
| 07/01 | 932 | 936 | 919 | 934 | +1.93% | 349,800 | 1394億6620万 | +0.54% |
| 06/28 | 924 | 925 | 915 | 916 | -0.97% | 213,000 | 1368億2819万 | -1.47% |
| 06/27 | 926 | 929 | 920 | 925 | 0% | 149,100 | 1381億7208万 | -0.61% |
| 06/26 | 928 | 932 | 924 | 925 | -1.25% | 272,700 | 1381億7208万 | -0.72% |
| 06/25 | （IR情報）15:00 支配株主等に関する事項について |
| 06/25 | 938 | 948 | 933 | 937 | -0.07% | 162,900 | 1399億1417万 | +0.54% |
| 06/24 | 939 | 946 | 930 | 938 | -0.11% | 111,300 | 1400億1371万 | +0.5% |
| 06/21 | （IR情報）16:45 譲渡制限付株式報酬としての自己株式処分に関するお知らせ |
| 06/21 | 960 | 960 | 938 | 939 | -2.19% | 328,200 | 1401億6304万 | +0.72% |
| 06/20 | 967 | 968 | 955 | 960 | -0.69% | 288,900 | 1432億9879万 | +2.97% |
| 06/19 | 954 | 969 | 950 | 966 | +2.51% | 422,400 | 1442億9426万 | +3.91% |
| 06/18 | 945 | 964 | 942 | 943 | -0.07% | 399,600 | 1407億6032万 | +1.58% |
| 06/17 | 942 | 946 | 937 | 943 | +0.18% | 140,100 | 1408億5987万 | +1.65% |
| 06/14 | 943 | 947 | 934 | 942 | +0.61% | 199,800 | 1406億1100万 | +1.58% |
| 06/13 | 936 | 942 | 927 | 936 | -0.74% | 240,300 | 1397億6485万 | +1.19% |
| 06/12 | 935 | 946 | 930 | 943 | +1.14% | 197,400 | 1408億1010万 | +2.06% |
| 06/11 | 931 | 935 | 922 | 932 | +0.36% | 334,200 | 1392億1733万 | +1.01% |
| 06/10 | 933 | 933 | 918 | 929 | +0.69% | 170,700 | 1387億1960万 | +0.76% |
| 06/07 | 912 | 923 | 909 | 923 | +1.13% | 137,400 | 1377億7389万 | +0.18% |
| 06/06 | 902 | 924 | 901 | 912 | +1.22% | 235,200 | 1362億3090万 | -0.83% |
| 06/05 | 905 | 905 | 895 | 901 | +2.46% | 384,300 | 1345億8837万 | -1.92% |
| 06/04 | 890 | 890 | 876 | 880 | -0.83% | 317,700 | 1313億5307万 | -4.28% |
| 06/03 | 894 | 900 | 881 | 887 | -2.6% | 444,600 | 1324億4810万 | -3.59% |
| 05/31 | 916 | 920 | 907 | 911 | -1.09% | 291,000 | 1359億8204万 | -1.01% |
| 05/30 | 919 | 922 | 911 | 921 | -0.86% | 332,400 | 1374億7525万 | +0.18% |
| 05/29 | 940 | 948 | 925 | 929 | -2.42% | 453,900 | 1386億6982万 | +1.16% |
| 05/28 | 955 | 960 | 948 | 952 | +0.32% | 301,800 | 1421億421万 | +3.78% |
| 05/27 | 946 | 952 | 938 | 949 | +0.32% | 172,800 | 1416億5625万 | +3.57% |
| 05/24 | 934 | 950 | 932 | 946 | -0.14% | 279,000 | 1412億829万 | +3.46% |
| 05/23 | 944 | 956 | 937 | 947 | +0.18% | 315,900 | 1414億738万 | +3.84% |
| 05/22 | 940 | 946 | 937 | 945 | +0.25% | 216,300 | 1411億5851万 | +3.77% |
| 05/21 | 934 | 947 | 929 | 943 | +0.82% | 297,900 | 1408億1010万 | +3.74% |
| 05/20 | 937 | 938 | 924 | 935 | -0.04% | 180,300 | 1396億6530万 | +3.01% |
| 05/17 | 919 | 942 | 918 | 936 | +2.78% | 299,400 | 1397億1507万 | +3.16% |
| 05/16 | 913 | 914 | 900 | 910 | -0.29% | 339,600 | 1359億3226万 | +0.48% |
| 05/15 | 937 | 937 | 908 | 913 | -2.77% | 418,800 | 1363億3045万 | +0.66% |
| 05/14 | 900 | 940 | 897 | 939 | +3.45% | 684,900 | 1402億1281万 | +3.64% |
| 05/13 | 905 | 914 | 900 | 908 | +0.55% | 348,000 | 1355億3407万 | +0.29% |
| 05/10 | 905 | 908 | 897 | 903 | -0.26% | 237,000 | 1347億8746万 | -0.15% |
| 05/09 | 917 | 917 | 896 | 905 | -2.13% | 491,700 | 1351億3588万 | +0.11% |
| 05/08 | （IR情報）10:00 NECネッツエスアイ2020年3月期～2022年3月期中期経営計画を発表 |
| 05/08 | 917 | 926 | 911 | 925 | +1.06% | 425,400 | 1380億7254万 | +2.29% |
| 05/07 | 893 | 919 | 893 | 915 | +2.54% | 394,200 | 1366億2910万 | +1.33% |
| 04/26 | 894 | 900 | 867 | 892 | -0.82% | 458,700 | 1332億4448万 | -0.96% |
| 04/25 | 890 | 903 | 890 | 900 | +0.75% | 156,900 | 1343億3950万 | -0.15% |
| 04/24 | 900 | 902 | 893 | 893 | -0.3% | 165,300 | 1333億4402万 | -0.89% |
| 04/23 | 891 | 900 | 888 | 896 | +0.26% | 226,200 | 1337億4221万 | -0.59% |
| 04/22 | 889 | 898 | 884 | 893 | +0.45% | 141,000 | 1333億9380万 | -0.85% |
| 04/19 | 887 | 891 | 879 | 889 | +0.3% | 231,900 | 1327億9651万 | -1.08% |
| 04/18 | 913 | 915 | 884 | 887 | -2.24% | 284,700 | 1323億9832万 | -1.26% |
| 04/17 | 910 | 910 | 902 | 907 | -0.29% | 131,700 | 1354億3452万 | +1.11% |
| 04/16 | 914 | 916 | 906 | 910 | -0.33% | 270,900 | 1358億3271万 | +1.53% |
| 04/15 | 902 | 914 | 902 | 913 | +1.33% | 316,500 | 1362億8068万 | +2.09% |
| 04/12 | 904 | 906 | 898 | 901 | -0.44% | 279,600 | 1344億8882万 | +0.97% |
| 04/11 | 914 | 914 | 902 | 905 | -0.84% | 258,600 | 1350億8611万 | +1.31% |
| 04/10 | 908 | 913 | 900 | 912 | +0.37% | 207,000 | 1362億3090万 | +2.16% |
| 04/09 | 912 | 916 | 905 | 909 | -0.91% | 195,900 | 1357億3317万 | +1.79% |
| 04/08 | 917 | 924 | 911 | 917 | +0.7% | 293,400 | 1369億7751万 | +2.72% |
| 04/05 | 907 | 925 | 907 | 911 | +0.07% | 364,800 | 1360億3181万 | +2.13% |
| 04/04 | 921 | 921 | 906 | 910 | -0.62% | 420,600 | 1359億3226万 | +2.17% |
| 04/03 | 921 | 921 | 905 | 916 | +1.44% | 327,900 | 1367億7842万 | +2.92% |
| 04/02 | 921 | 927 | 900 | 903 | -0.73% | 287,400 | 1348億3724万 | +1.57% |
| 04/01 | 910 | 918 | 904 | 910 | +2.02% | 390,900 | 1358億3271万 | +2.44% |
| 03/29 | 890 | 898 | 881 | 892 | +0.3% | 243,300 | 1331億4493万 | +0.64% |
| 03/28 | 886 | 892 | 879 | 889 | -1.84% | 298,500 | 1327億4674万 | +0.57% |
| 03/27 | 893 | 906 | 885 | 906 | +1.23% | 312,600 | 1352億3543万 | +2.57% |
| 03/26 | 871 | 895 | 871 | 895 | +2.84% | 391,500 | 1335億9289万 | +1.67% |
| 03/25 | 875 | 879 | 861 | 870 | -2.14% | 256,800 | 1299億963万 | -0.8% |
| 03/22 | 900 | 900 | 880 | 889 | -2.16% | 436,200 | 1327億4674万 | +1.6% |
| 03/20 | 894 | 910 | 889 | 909 | +2.33% | 550,800 | 1356億8339万 | +4.09% |
| 03/19 | 888 | 892 | 868 | 888 | +0.23% | 307,500 | 1325億9742万 | +2.07% |
| 03/18 | 874 | 888 | 865 | 886 | +2.98% | 457,200 | 1322億9877万 | +2.19% |
| 03/15 | 860 | 865 | 853 | 860 | +1.02% | 291,600 | 1284億6619万 | -0.54% |
| 03/14 | 871 | 871 | 851 | 852 | -1.43% | 219,600 | 1271億7207万 | -1.43% |
| 03/13 | 874 | 874 | 861 | 864 | -1.71% | 261,000 | 1290億1370万 | 0% |
| 03/12 | 880 | 886 | 876 | 879 | +0.61% | 336,300 | 1312億5352万 | +1.85% |
| 03/11 | 878 | 878 | 867 | 874 | +0.89% | 338,400 | 1304億5714万 | +1.24% |
| 03/08 | 873 | 888 | 854 | 866 | -4.42% | 598,200 | 1293億1235万 | +0.58% |
| 03/07 | 905 | 907 | 893 | 906 | -0.37% | 352,200 | 1352億8520万 | +5.59% |
| 03/06 | 915 | 917 | 903 | 909 | -1.12% | 273,900 | 1357億8294万 | +6.73% |
| 03/05 | 898 | 922 | 886 | 920 | +2.15% | 627,300 | 1373億2593万 | +8.71% |
| 03/04 | 908 | 912 | 895 | 900 | +1.16% | 569,100 | 1344億3905万 | +7.18% |
| 03/01 | 898 | 900 | 879 | 890 | -0.96% | 250,800 | 1328億9606万 | +6.71% |
| 02/28 | 887 | 906 | 880 | 899 | +1.01% | 426,300 | 1341億9018万 | +8.27% |
| 02/27 | 878 | 895 | 877 | 890 | +1.6% | 374,700 | 1328億4629万 | +7.71% |
| 02/26 | 875 | 878 | 870 | 876 | +0.08% | 167,400 | 1307億5579万 | +6.53% |
| 02/25 | 871 | 878 | 868 | 875 | +2.14% | 206,100 | 1306億5624万 | +6.84% |
| 02/22 | 854 | 858 | 848 | 857 | -0.19% | 108,600 | 1279億1868万 | +4.98% |
| 02/21 | 843 | 861 | 840 | 858 | +1.34% | 270,600 | 1281億6755万 | +5.58% |
| 02/20 | 842 | 856 | 832 | 847 | +1.68% | 277,500 | 1264億7524万 | +4.57% |
| 02/19 | 840 | 841 | 826 | 833 | +0.16% | 183,300 | 1243億8474万 | +2.97% |
| 02/18 | 846 | 846 | 829 | 832 | +0.6% | 92,700 | 1241億8564万 | +2.93% |
| 02/15 | 837 | 839 | 823 | 827 | -1% | 191,100 | 1234億3904万 | +2.44% |
| 02/14 | 826 | 838 | 821 | 835 | +2% | 191,700 | 1246億8338万 | +3.47% |
| 02/13 | 835 | 838 | 808 | 819 | -1.21% | 390,000 | 1222億4446万 | +1.45% |
| 02/12 | 838 | 844 | 826 | 829 | -0.36% | 210,600 | 1237億3768万 | +2.68% |
| 02/08 | 832 | 843 | 825 | 832 | -0.4% | 268,800 | 1241億8564万 | +3.31% |
| 02/07 | 850 | 863 | 828 | 835 | -1.61% | 501,600 | 1246億8338万 | +3.73% |
| 02/06 | 842 | 851 | 835 | 849 | +0.83% | 309,000 | 1267億2411万 | +5.69% |
| 01/30 | （IR情報）11:30 2019年3月期通期連結業績予想の修正に関するお知らせ |
| 01/30 | （IR情報）11:30 2019年3月期第3四半期決算短信〔日本基準〕(連結) |
