| 2025 |
| 06/06 | 1,090 | 1,109 | 1,086 | 1,107 | +2.22% | 7,400 | 28億292万 | +6.54% |
| 06/05 | 1,091 | 1,091 | 1,079 | 1,083 | -0.82% | 3,500 | 27億4215万 | +4.64% |
| 06/04 | 16:00 自己株式の取得状況に関するお知らせ |
| 06/04 | 1,094 | 1,094 | 1,081 | 1,092 | -0.18% | 2,400 | 27億6494万 | +5.81% |
| 06/03 | 1,089 | 1,094 | 1,071 | 1,094 | +0.46% | 6,000 | 27億7000万 | +6.42% |
| 06/02 | 1,095 | 1,100 | 1,089 | 1,089 | -0.27% | 5,700 | 27億5734万 | +6.35% |
| 05/30 | 1,072 | 1,097 | 1,072 | 1,092 | +1.96% | 9,400 | 27億6494万 | +7.06% |
| 05/29 | 1,065 | 1,077 | 1,065 | 1,071 | +0.75% | 4,300 | 27億1177万 | +5.41% |
| 05/28 | 1,068 | 1,079 | 1,055 | 1,063 | -0.47% | 10,200 | 26億9151万 | +5.04% |
| 05/27 | 1,072 | 1,080 | 1,065 | 1,068 | -0.56% | 6,900 | 27億417万 | +5.74% |
| 05/26 | 1,073 | 1,078 | 1,063 | 1,074 | +0.09% | 4,200 | 27億1936万 | +6.44% |
| 05/23 | 1,066 | 1,078 | 1,061 | 1,073 | +0.19% | 4,600 | 27億1683万 | +6.55% |
| 05/22 | 1,068 | 1,080 | 1,049 | 1,071 | +0.56% | 7,700 | 27億1177万 | +6.14% |
| 05/21 | 1,020 | 1,073 | 1,020 | 1,065 | +6.61% | 40,400 | 26億9658万 | +5.65% |
| 05/20 | 16:00 自己株式の取得に係る事項の決定に関するお知らせ |
| 05/20 | 1,003 | 1,009 | 999 | 999 | -0.4% | 5,400 | 25億2946万 | -0.79% |
| 05/19 | 1,002 | 1,007 | 1,000 | 1,003 | +0.3% | 6,400 | 25億3959万 | -0.59% |
| 05/16 | 1,000 | 1,003 | 995 | 1,000 | 0% | 4,900 | 25億3200万 | -0.99% |
| 05/15 | 985 | 1,000 | 985 | 1,000 | +1.63% | 12,800 | 25億3200万 | -1.09% |
| 05/14 | 15:30 通期連結業績予想の修正及び法人税等調整額(益)の計上に関するお知らせ |
| 05/14 | 15:30 2025年9月期第2四半期決算説明資料 |
| 05/14 | 15:30 2025年9月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
| 05/14 | 977 | 994 | 977 | 984 | +0.82% | 7,100 | 24億9148万 | -2.67% |
| 05/13 | 1,007 | 1,014 | 963 | 976 | -3.08% | 24,300 | 24億7123万 | -3.75% |
| 05/12 | 992 | 1,024 | 988 | 1,007 | +1.51% | 70,900 | 25億4972万 | -1.08% |
| 05/09 | 998 | 1,000 | 992 | 992 | -0.6% | 3,200 | 25億1174万 | -2.75% |
| 05/08 | 998 | 999 | 993 | 998 | +0.6% | 1,300 | 25億2693万 | -2.54% |
| 05/07 | 998 | 1,000 | 992 | 992 | -0.1% | 4,900 | 25億1174万 | -3.41% |
| 05/02 | 999 | 999 | 990 | 993 | -0.1% | 2,400 | 25億1427万 | -3.59% |
| 05/01 | 998 | 1,000 | 993 | 994 | -0.5% | 7,600 | 25億1680万 | -3.78% |
| 04/30 | 999 | 999 | 995 | 999 | 0% | 900 | 25億2946万 | -3.48% |
| 04/28 | 993 | 999 | 992 | 999 | +0.2% | 3,600 | 25億2946万 | -3.66% |
| 04/25 | 16:00 日本に住む外国人の「不」を解明し、より暮らしやすい日本へ『学校法人 長沼スクール 東京日本語学校の協力の下、研究プロジェクト発足』 のお知らせ |
| 04/25 | 991 | 998 | 985 | 997 | 0% | 3,000 | 25億2440万 | -4.13% |
| 04/24 | 999 | 999 | 987 | 997 | -0.2% | 3,800 | 25億2440万 | -4.32% |
| 04/23 | 994 | 999 | 993 | 999 | +0.4% | 3,900 | 25億2946万 | -4.4% |
| 04/22 | 970 | 995 | 970 | 995 | +2.26% | 17,800 | 25億1934万 | -4.97% |
| 04/21 | 1,005 | 1,099 | 941 | 973 | -2.41% | 456,100 | 24億6363万 | -7.24% |
| 04/18 | 1,038 | 1,104 | 955 | 997 | -4.04% | 248,900 | 25億2440万 | -5.32% |
| 04/17 | 1,041 | 1,048 | 1,019 | 1,039 | 0% | 4,500 | 26億3074万 | -1.52% |
| 04/16 | 1,061 | 1,076 | 1,012 | 1,039 | -6.98% | 20,300 | 26億3074万 | -1.52% |
| 04/15 | 1,055 | 1,230 | 1,040 | 1,117 | +5.78% | 242,300 | 28億2824万 | +5.78% |
| 04/14 | 1,061 | 1,061 | 1,042 | 1,056 | +2.42% | 2,500 | 26億7379万 | +0.28% |
| 04/11 | 1,025 | 1,038 | 965 | 1,031 | -1.81% | 17,900 | 26億1049万 | -2.09% |
| 04/10 | 1,038 | 1,170 | 1,025 | 1,050 | +3.14% | 37,500 | 26億5860万 | -0.38% |
| 04/09 | 1,017 | 1,036 | 1,011 | 1,018 | -1.83% | 2,300 | 25億7757万 | -3.42% |
| 04/08 | 1,028 | 1,037 | 1,000 | 1,037 | +2.98% | 2,000 | 26億2568万 | -1.8% |
| 04/07 | 949 | 1,032 | 930 | 1,007 | -4.46% | 6,200 | 25億4972万 | -4.73% |
| 04/04 | 1,057 | 1,064 | 1,026 | 1,054 | -1.03% | 8,100 | 26億6872万 | -0.47% |
| 04/03 | 1,058 | 1,073 | 1,058 | 1,065 | -0.84% | 1,900 | 26億9658万 | +0.57% |
| 04/02 | 1,069 | 1,078 | 1,068 | 1,074 | +0.47% | 1,100 | 27億1936万 | +1.42% |
| 04/01 | 1,077 | 1,081 | 1,068 | 1,069 | -0.93% | 3,900 | 27億670万 | +1.04% |
| 03/31 | 1,084 | 1,085 | 1,060 | 1,079 | -0.09% | 1,800 | 27億3202万 | +1.98% |
| 03/28 | 16:00 当社代表・橋本がラジオNIKKEI「この企業に注目！相場の福の神」にゲスト出演しました |
| 03/28 | 1,090 | 1,090 | 1,066 | 1,080 | +1.79% | 2,200 | 27億3456万 | +2.18% |
| 03/27 | 16:00 『商品開発の最終的な意思決定を支援するための「コンセプト評価360」』リリースのお知らせ |
| 03/27 | 1,046 | 1,064 | 1,043 | 1,061 | +1.24% | 5,700 | 26億8645万 | +0.38% |
| 03/26 | 1,052 | 1,059 | 1,046 | 1,048 | -0.66% | 2,700 | 26億5353万 | -0.85% |
| 03/25 | 1,051 | 1,063 | 1,051 | 1,055 | +0.09% | 1,700 | 26億7126万 | -0.28% |
| 03/24 | 1,050 | 1,063 | 1,049 | 1,054 | -0.94% | 2,100 | 26億6872万 | -0.47% |
| 03/21 | 1,060 | 1,068 | 1,060 | 1,064 | +0.09% | 800 | 26億9234万 | +0.38% |
| 03/19 | 1,051 | 1,064 | 1,051 | 1,063 | +1.14% | 3,400 | 26億8981万 | +0.19% |
| 03/18 | 1,058 | 1,059 | 1,051 | 1,051 | -0.47% | 1,500 | 26億5945万 | -0.94% |
| 03/17 | 1,059 | 1,059 | 1,047 | 1,056 | +0.38% | 1,400 | 26億7210万 | -0.56% |
| 03/14 | 16:00 子会社設立および新たな事業の開始に関するお知らせ |
| 03/14 | 1,056 | 1,059 | 1,052 | 1,052 | -0.38% | 1,200 | 26億6198万 | -0.94% |
| 03/13 | 1,045 | 1,061 | 1,045 | 1,056 | +1.05% | 2,300 | 26億7210万 | -0.66% |
| 03/12 | 1,049 | 1,049 | 1,042 | 1,045 | -0.38% | 1,900 | 26億4426万 | -1.69% |
| 03/11 | 1,052 | 1,059 | 1,040 | 1,049 | -0.85% | 1,600 | 26億5438万 | -1.41% |
| 03/10 | 1,059 | 1,059 | 1,048 | 1,058 | -0.09% | 1,800 | 26億7716万 | -0.66% |
| 03/07 | 1,041 | 1,059 | 1,041 | 1,059 | +1.05% | 1,500 | 26億7969万 | -0.56% |
| 03/06 | 1,056 | 1,060 | 1,048 | 1,048 | -0.76% | 1,900 | 26億5185万 | -1.69% |
| 03/05 | 1,043 | 1,059 | 1,043 | 1,056 | -0.19% | 3,800 | 26億7210万 | -0.94% |
| 03/04 | 1,040 | 1,060 | 1,040 | 1,058 | -0.09% | 1,800 | 26億7716万 | -0.75% |
| 03/03 | 1,045 | 1,062 | 1,045 | 1,059 | +0.38% | 1,500 | 26億7969万 | -0.75% |
| 02/28 | 1,058 | 1,064 | 1,042 | 1,055 | -0.28% | 2,800 | 26億6957万 | -1.03% |
| 02/27 | 1,042 | 1,062 | 1,042 | 1,058 | -0.28% | 900 | 26億7716万 | -0.75% |
| 02/26 | 1,066 | 1,066 | 1,041 | 1,061 | -0.19% | 5,000 | 26億8475万 | -0.47% |
| 02/25 | 1,056 | 1,063 | 1,041 | 1,063 | +0.66% | 2,500 | 26億8981万 | -0.28% |
| 02/21 | 1,058 | 1,068 | 999 | 1,056 | -0.19% | 3,600 | 26億7210万 | -0.85% |
| 02/20 | 1,071 | 1,071 | 1,055 | 1,058 | -1.21% | 1,900 | 26億7716万 | -0.66% |
| 02/19 | 1,066 | 1,077 | 1,059 | 1,071 | -0.19% | 500 | 27億1005万 | +0.47% |
| 02/18 | 1,065 | 1,077 | 1,047 | 1,073 | +0.75% | 2,300 | 27億1511万 | +0.75% |
| 02/17 | 1,075 | 1,078 | 1,065 | 1,065 | -0.93% | 1,100 | 26億9487万 | +0.09% |
| 02/14 | 1,040 | 1,082 | 1,038 | 1,075 | -0.74% | 5,900 | 27億2018万 | +0.94% |
| 02/13 | 16:00 2025年9月期第1四半期決算説明資料 |
| 02/13 | 16:00 2025年9月期第1四半期決算短信〔日本基準〕(連結) |
| 02/13 | 1,086 | 1,087 | 1,071 | 1,083 | -0.28% | 4,100 | 27億4042万 | +1.79% |
| 02/12 | 1,067 | 1,086 | 1,063 | 1,086 | +0.56% | 4,100 | 27億4801万 | +2.16% |
| 02/10 | 1,067 | 1,080 | 1,065 | 1,080 | +1.22% | 3,800 | 27億3283万 | +1.79% |
| 02/07 | 16:00 『セルフインタビューツール「リサーチDEMO!」サービス強化』のお知らせ |
| 02/07 | 1,068 | 1,068 | 1,059 | 1,067 | -0.19% | 400 | 26億9993万 | +0.76% |
| 02/06 | 1,062 | 1,069 | 1,061 | 1,069 | 0% | 1,100 | 27億499万 | +1.04% |
| 02/05 | 1,066 | 1,069 | 1,056 | 1,069 | +0.28% | 1,400 | 27億499万 | +1.33% |
| 02/04 | 1,063 | 1,069 | 1,058 | 1,066 | +0.28% | 1,300 | 26億9740万 | +1.14% |
| 02/03 | 16:00 『チャットアンケートリリース』のお知らせ |
| 02/03 | 1,066 | 1,066 | 1,057 | 1,063 | -0.19% | 1,100 | 26億8981万 | +1.05% |
| 01/31 | 1,069 | 1,069 | 1,065 | 1,065 | -0.28% | 500 | 26億9487万 | +1.33% |
| 01/30 | 1,060 | 1,068 | 1,060 | 1,068 | +0.09% | 1,100 | 27億246万 | +1.81% |
| 01/29 | 1,069 | 1,069 | 1,060 | 1,067 | +0.09% | 900 | 26億9993万 | +1.81% |
| 01/28 | 1,062 | 1,068 | 1,062 | 1,066 | +0.47% | 700 | 26億9740万 | +1.81% |
| 01/27 | 16:00 『海外調査体制強化』のお知らせ |
| 01/27 | 1,066 | 1,073 | 1,061 | 1,061 | -0.56% | 2,000 | 26億8475万 | +1.43% |
| 01/24 | 1,053 | 1,087 | 1,044 | 1,067 | +1.72% | 10,500 | 26億9993万 | +2.01% |
| 01/23 | 1,050 | 1,050 | 1,035 | 1,049 | -0.19% | 1,100 | 26億5438万 | +0.38% |
| 01/22 | 1,053 | 1,053 | 1,040 | 1,051 | -0.19% | 700 | 26億5945万 | +0.57% |
| 01/21 | 1,050 | 1,055 | 1,045 | 1,053 | +0.38% | 900 | 26億6451万 | +0.77% |
| 01/20 | 16:00 譲渡制限付株式としての自己株式の処分の払込完了に関するお知らせ |
| 01/20 | 1,060 | 1,060 | 1,049 | 1,049 | -0.94% | 300 | 26億5438万 | +0.38% |
| 01/17 | 1,047 | 1,060 | 1,046 | 1,059 | +0.28% | 2,000 | 26億7969万 | +1.34% |
| 01/16 | 1,064 | 1,064 | 1,056 | 1,056 | -0.38% | 1,300 | 26億7210万 | +1.05% |
| 01/15 | 1,054 | 1,062 | 1,050 | 1,060 | +0.19% | 1,800 | 26億8222万 | +1.44% |
| 01/14 | 1,062 | 1,077 | 1,058 | 1,058 | -0.19% | 1,400 | 26億7716万 | +1.24% |
| 01/10 | 1,075 | 1,084 | 1,059 | 1,060 | -1.4% | 8,800 | 26億8222万 | +1.44% |
| 01/09 | 1,058 | 1,075 | 1,045 | 1,075 | +1.61% | 6,500 | 27億2018万 | +2.87% |
