| 2026 |
| 03/06 | 1,455 | 1,455 | 1,365 | 1,398 | -4.12% | 23,600 | 289億8488万 | +6.39% |
| 03/05 | 1,422 | 1,461 | 1,422 | 1,458 | +6.58% | 9,100 | 302億2887万 | +11.81% |
| 03/04 | 1,411 | 1,440 | 1,343 | 1,368 | -9.46% | 34,900 | 283億6289万 | +5.72% |
| 03/03 | 1,516 | 1,583 | 1,511 | 1,511 | +0.07% | 13,000 | 313億2772万 | +17.68% |
| 03/02 | 1,466 | 1,518 | 1,450 | 1,510 | +3.35% | 28,600 | 313億699万 | +19.09% |
| 02/27 | 1,441 | 1,489 | 1,391 | 1,461 | +5.79% | 16,800 | 302億9106万 | +16.6% |
| 02/26 | 1,399 | 1,433 | 1,350 | 1,381 | +0.8% | 15,400 | 286億3242万 | +11.46% |
| 02/25 | 1,358 | 1,400 | 1,351 | 1,370 | -0.36% | 11,000 | 284億435万 | +11.56% |
| 02/24 | 1,382 | 1,399 | 1,352 | 1,375 | -0.36% | 8,300 | 285億802万 | +12.89% |
| 02/20 | 1,418 | 1,433 | 1,370 | 1,380 | -3.7% | 8,500 | 286億1168万 | +14.33% |
| 02/19 | 1,465 | 1,470 | 1,390 | 1,433 | -0.14% | 22,200 | 297億1054万 | +19.92% |
| 02/18 | 1,445 | 1,471 | 1,425 | 1,435 | +3.61% | 21,900 | 297億5200万 | +21.4% |
| 02/17 | 1,344 | 1,399 | 1,340 | 1,385 | +3.51% | 15,700 | 287億1535万 | +18.58% |
| 02/16 | 1,295 | 1,340 | 1,269 | 1,338 | +6.36% | 11,500 | 277億4089万 | +15.84% |
| 02/13 | 1,295 | 1,295 | 1,231 | 1,258 | -2.48% | 20,000 | 260億8224万 | +9.87% |
| 02/12 | 1,205 | 1,294 | 1,205 | 1,290 | +6.7% | 27,700 | 267億4570万 | +13.36% |
| 02/10 | 1,220 | 1,220 | 1,191 | 1,209 | +0.75% | 6,200 | 250億6632万 | +6.99% |
| 02/09 | 1,230 | 1,232 | 1,180 | 1,200 | 0% | 19,600 | 248億7972万 | +6.76% |
| 02/06 | 1,134 | 1,200 | 1,134 | 1,200 | +4.44% | 9,000 | 248億7972万 | +7.24% |
| 02/05 | 1,174 | 1,174 | 1,149 | 1,149 | -0.09% | 5,900 | 238億2233万 | +3.23% |
| 02/04 | 1,175 | 1,176 | 1,145 | 1,150 | 0% | 4,300 | 238億4307万 | +3.7% |
| 02/03 | 1,160 | 1,160 | 1,136 | 1,150 | +1.68% | 14,700 | 238億4307万 | +4.07% |
| 02/02 | 1,134 | 1,160 | 1,122 | 1,131 | +0.27% | 14,500 | 234億4914万 | +2.63% |
| 01/30 | 1,180 | 1,185 | 1,117 | 1,128 | -4.57% | 31,100 | 233億8694万 | +2.55% |
| 01/29 | (IR情報)16:30 2026年3月期第3四半期決算短信〔日本基準〕(連結) |
| 01/29 | (IR情報)16:30 執行役員の委嘱業務の変更及び関連人事に関するお知らせ |
| 01/29 | (IR情報)16:30 「北海電工VISION100」及び「中期経営計画(2026-2030)」策定に関するお知らせ |
| 01/29 | 1,185 | 1,214 | 1,163 | 1,182 | +2.34% | 31,500 | 245億653万 | +7.75% |
| 01/28 | 1,239 | 1,245 | 1,150 | 1,155 | -4.47% | 32,000 | 239億4673万 | +5.77% |
| 01/27 | 1,229 | 1,236 | 1,173 | 1,209 | +9.02% | 40,500 | 250億6632万 | +11.12% |
| 01/26 | (IR情報)16:30 業績予想の修正に関するお知らせ |
| 01/26 | 1,103 | 1,115 | 1,100 | 1,109 | -0.98% | 3,000 | 229億9301万 | +2.5% |
| 01/23 | 1,105 | 1,130 | 1,105 | 1,120 | +0.27% | 9,900 | 232億2107万 | +3.7% |
| 01/22 | 1,129 | 1,129 | 1,115 | 1,117 | +0.18% | 7,800 | 231億5888万 | +3.43% |
| 01/21 | 1,110 | 1,127 | 1,092 | 1,115 | +0.45% | 4,300 | 231億1741万 | +3.34% |
| 01/20 | 1,111 | 1,119 | 1,110 | 1,110 | -0.09% | 5,000 | 230億1374万 | +2.87% |
| 01/19 | 1,115 | 1,123 | 1,110 | 1,111 | +0.63% | 5,000 | 230億3448万 | +2.97% |
| 01/16 | 1,109 | 1,109 | 1,098 | 1,104 | +0.45% | 2,600 | 228億8935万 | +2.41% |
| 01/15 | 1,090 | 1,100 | 1,090 | 1,099 | +1.2% | 6,600 | 227億8568万 | +1.95% |
| 01/14 | 1,088 | 1,090 | 1,079 | 1,086 | -0.18% | 1,500 | 225億1615万 | +0.84% |
| 01/13 | 1,097 | 1,097 | 1,080 | 1,088 | +1.12% | 4,400 | 225億5762万 | +1.21% |
| 01/09 | 1,055 | 1,077 | 1,055 | 1,076 | -0.37% | 4,800 | 223億882万 | +0.37% |
| 01/08 | 1,095 | 1,095 | 1,053 | 1,080 | -0.28% | 25,700 | 223億9175万 | +0.84% |
| 01/07 | 1,095 | 1,095 | 1,082 | 1,083 | +0.46% | 1,800 | 224億5395万 | +1.31% |
| 01/06 | 1,086 | 1,118 | 1,076 | 1,078 | +0.75% | 7,500 | 223億5028万 | +1.13% |
| 01/05 | 1,089 | 1,100 | 1,061 | 1,070 | +0.19% | 12,400 | 221億8442万 | +0.66% |
| 2025 |
| 12/30 | 1,063 | 1,084 | 1,058 | 1,068 | +0.75% | 5,800 | 221億4295万 | +0.66% |
| 12/29 | 1,053 | 1,065 | 1,050 | 1,060 | +0.66% | 2,900 | 219億7709万 | +0.28% |
| 12/26 | 1,052 | 1,071 | 1,052 | 1,053 | +0.29% | 11,600 | 218億3196万 | 0% |
| 12/25 | 1,078 | 1,079 | 1,047 | 1,050 | -2.6% | 5,900 | 217億6976万 | 0% |
| 12/24 | 1,070 | 1,088 | 1,045 | 1,078 | +0.75% | 14,900 | 223億5028万 | +3.06% |
| 12/23 | 1,075 | 1,100 | 1,066 | 1,070 | +0.56% | 11,200 | 221億8442万 | +2.79% |
| 12/22 | 1,073 | 1,076 | 1,047 | 1,064 | +1.92% | 20,500 | 220億6002万 | +2.6% |
| 12/19 | 1,056 | 1,072 | 1,031 | 1,044 | -1.23% | 10,400 | 216億4536万 | +1.16% |
| 12/18 | 1,057 | 1,068 | 1,046 | 1,057 | 0% | 10,800 | 219億1489万 | +2.72% |
| 12/17 | 1,077 | 1,078 | 1,056 | 1,057 | -1.58% | 6,400 | 219億1489万 | +3.12% |
| 12/16 | 1,083 | 1,098 | 1,066 | 1,074 | -2.27% | 9,800 | 222億6735万 | +5.29% |
| 12/15 | 1,090 | 1,116 | 1,086 | 1,099 | -0.99% | 4,500 | 227億8568万 | +8.17% |
| 12/12 | 1,108 | 1,125 | 1,101 | 1,110 | +0.27% | 1,800 | 230億1374万 | +10.01% |
| 12/11 | 1,129 | 1,130 | 1,079 | 1,107 | +0.54% | 9,500 | 229億5154万 | +10.37% |
| 12/10 | 1,131 | 1,131 | 1,086 | 1,101 | +0.18% | 14,400 | 228億2715万 | +10.54% |
| 12/09 | 1,080 | 1,106 | 1,062 | 1,099 | -0.09% | 8,700 | 227億8568万 | +11.01% |
| 12/08 | 1,074 | 1,147 | 1,074 | 1,100 | +3% | 10,800 | 228億641万 | +11.79% |
| 12/05 | 1,058 | 1,076 | 1,037 | 1,068 | +3.69% | 24,000 | 221億4295万 | +8.98% |
| 12/04 | 1,034 | 1,060 | 1,024 | 1,030 | -0.39% | 6,700 | 213億5510万 | +5.64% |
| 12/03 | 1,033 | 1,038 | 1,026 | 1,034 | -0.1% | 2,800 | 214億3803万 | +6.6% |
| 12/02 | 1,032 | 1,050 | 1,028 | 1,035 | +0.78% | 3,400 | 214億5876万 | +7.25% |
| 12/01 | 1,020 | 1,045 | 1,020 | 1,027 | +0.79% | 4,600 | 212億9290万 | +6.98% |
| 11/28 | 1,007 | 1,040 | 1,000 | 1,019 | +1.19% | 8,900 | 211億2703万 | +6.7% |
| 11/27 | 1,020 | 1,021 | 1,000 | 1,007 | +0.4% | 20,000 | 208億7823万 | +6% |
| 11/26 | 975 | 1,011 | 975 | 1,003 | +2.35% | 12,100 | 207億9530万 | +6.14% |
| 11/25 | 978 | 983 | 963 | 980 | +1.34% | 14,400 | 203億1844万 | +4.03% |
| 11/21 | 960 | 967 | 947 | 967 | +0.31% | 4,900 | 200億4891万 | +2.98% |
| 11/20 | 963 | 964 | 962 | 964 | +1.47% | 1,600 | 199億8671万 | +2.88% |
| 11/19 | 960 | 960 | 950 | 950 | -1.04% | 3,500 | 196億9645万 | +1.71% |
| 11/18 | 965 | 971 | 952 | 960 | -0.52% | 12,000 | 199億378万 | +3% |
| 11/17 | 962 | 971 | 951 | 965 | +1.58% | 9,000 | 200億744万 | +3.76% |
| 11/14 | 963 | 963 | 948 | 950 | -0.63% | 5,300 | 196億9645万 | +2.37% |
| 11/13 | 956 | 962 | 950 | 956 | 0% | 3,700 | 198億2085万 | +3.02% |
| 11/12 | 950 | 959 | 946 | 956 | +0.63% | 1,700 | 198億2085万 | +3.24% |
| 11/11 | 957 | 957 | 942 | 950 | -0.73% | 2,100 | 196億9645万 | +2.7% |
| 11/10 | 945 | 960 | 945 | 957 | +2.13% | 1,600 | 198億4158万 | +3.57% |
| 11/07 | 939 | 941 | 935 | 937 | -0.43% | 3,200 | 194億2692万 | +1.52% |
| 11/06 | 942 | 960 | 941 | 941 | 0% | 2,700 | 195億985万 | +1.95% |
| 11/05 | 965 | 965 | 940 | 941 | -1.47% | 6,800 | 195億985万 | +1.95% |
| 11/04 | 944 | 957 | 941 | 955 | 0% | 11,300 | 198億11万 | +3.58% |
| 10/31 | 990 | 990 | 955 | 955 | -2.75% | 4,000 | 198億11万 | +3.69% |
| 10/30 | 964 | 982 | 954 | 982 | +3.48% | 17,200 | 203億5991万 | +6.62% |
| 10/29 | (IR情報)16:30 2026年3月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
| 10/29 | 923 | 990 | 918 | 949 | +4.52% | 20,800 | 196億7571万 | +3.26% |
| 10/28 | 905 | 916 | 905 | 908 | +0.33% | 5,200 | 188億2566万 | -1.2% |
| 10/27 | 904 | 911 | 904 | 905 | +0.11% | 3,400 | 187億6346万 | -1.63% |
| 10/24 | 902 | 904 | 902 | 904 | +0.22% | 800 | 187億4272万 | -1.95% |
| 10/23 | 897 | 903 | 897 | 902 | +0.11% | 1,100 | 187億126万 | -2.38% |
| 10/22 | 911 | 915 | 901 | 901 | +0.56% | 5,100 | 186億8052万 | -2.8% |
| 10/21 | 910 | 923 | 895 | 896 | -3.14% | 8,400 | 185億7686万 | -3.55% |
| 10/20 | 901 | 925 | 901 | 925 | +2.78% | 1,000 | 191億7812万 | -0.64% |
| 10/17 | 907 | 915 | 890 | 900 | -0.77% | 5,500 | 186億5979万 | -3.54% |
| 10/16 | 905 | 907 | 903 | 907 | +0.67% | 1,500 | 188億492万 | -2.99% |
| 10/15 | 924 | 924 | 900 | 901 | 0% | 2,900 | 186億8052万 | -3.74% |
| 10/14 | 900 | 901 | 900 | 901 | -1.1% | 2,500 | 186億8052万 | -3.94% |
| 10/10 | 925 | 925 | 908 | 911 | -1.19% | 4,900 | 188億8786万 | -2.98% |
| 10/09 | 930 | 933 | 922 | 922 | -0.43% | 2,100 | 191億1592万 | -1.91% |
| 10/08 | 924 | 926 | 924 | 926 | -0.22% | 900 | 191億9885万 | -1.59% |
| 10/07 | 930 | 942 | 928 | 928 | -0.22% | 1,000 | 192億4032万 | -1.38% |