Stock listing

Shenzhen:002189 Costar Group Co., Ltd. (中光学) 股价

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Share price · SZSE:002189

¥18.10 CNY -0.41 (-2.2%)

Close on Oct 20, 2026

Past year -20.6% · daily closes, Oct 20, 2025 – Oct 20, 2026, adjusted for splits

Day range: ¥17.93 – ¥18.39 CNYOct 20, 2026
Volume: 3.08M sharesOct 20, 2026
Market cap: ¥4.73B CNYAt the close on Oct 20, 2026 · price × 261.2M shares outstanding
52-week range: ¥15.96 – ¥25.48 CNYLowest and highest trades, Oct 21, 2025 – Oct 20, 2026

Daily closes

Last 3 months, Jul 20, 2026 – Oct 20, 2026 · SZSE:002189 · CNY, adjusted for splits

Day	Close	Change	%	Open	High	Low	Volume
Tue, Oct 20	¥18.10	-0.41	-2.2%	¥18.33	¥18.39	¥17.93	3,075,461
Mon, Oct 19	¥18.51	+0.61	+3.4%	¥17.78	¥18.69	¥17.78	4,696,922
Fri, Oct 16	¥17.90	+0.45	+2.6%	¥17.70	¥18.30	¥17.56	2,573,092
Thu, Oct 15	¥17.45	-0.48	-2.7%	¥17.88	¥17.88	¥17.40	2,291,129
Wed, Oct 14	¥17.93	-0.37	-2.0%	¥18.29	¥18.29	¥17.90	1,315,222
Tue, Oct 13	¥18.30	+0.21	+1.2%	¥17.85	¥18.43	¥17.66	2,281,516
Mon, Oct 12	¥18.09	-0.21	-1.1%	¥18.26	¥18.37	¥17.83	1,292,200
Fri, Oct 9	¥18.30	-0.13	-0.7%	¥18.42	¥18.42	¥17.69	2,514,832
Thu, Oct 8	¥18.43	-0.78	-4.1%	¥18.83	¥19.12	¥18.31	3,391,688
Wed, Sep 30	¥19.21	+0.16	+0.8%	¥19.12	¥19.86	¥19.05	4,632,611
Tue, Sep 29	¥19.05	+0.13	+0.7%	¥18.92	¥19.16	¥18.70	1,947,919
Mon, Sep 28	¥18.92	-0.14	-0.7%	¥18.99	¥19.00	¥18.45	4,318,892
Thu, Sep 24	¥19.06	-0.15	-0.8%	¥19.21	¥19.30	¥19.02	1,400,900
Wed, Sep 23	¥19.21	-0.12	-0.6%	¥19.48	¥19.48	¥19.00	1,809,201
Tue, Sep 22	¥19.33	-0.08	-0.4%	¥19.60	¥19.61	¥19.27	1,624,301
Mon, Sep 21	¥19.41	+0.06	+0.3%	¥19.45	¥19.48	¥19.12	2,414,900
Fri, Sep 18	¥19.35	+0.36	+1.9%	¥19.05	¥19.44	¥19.01	2,819,401
Thu, Sep 17	¥18.99	-0.06	-0.3%	¥19.05	¥19.25	¥18.85	1,738,400
Wed, Sep 16	¥19.05	+0.36	+1.9%	¥18.58	¥19.13	¥18.56	2,072,850
Tue, Sep 15	¥18.69	-0.39	-2.0%	¥18.90	¥19.05	¥18.69	2,723,000
Mon, Sep 14	¥19.08	-0.48	-2.5%	¥19.34	¥19.72	¥19.00	3,473,698
Fri, Sep 11	¥19.56	+0.34	+1.8%	¥19.06	¥19.86	¥18.89	5,054,100
Thu, Sep 10	¥19.22	-0.29	-1.5%	¥19.49	¥19.49	¥19.10	2,087,940
Wed, Sep 9	¥19.51	+0.22	+1.1%	¥19.33	¥19.68	¥19.17	3,623,159
Tue, Sep 8	¥19.29	-0.11	-0.6%	¥19.39	¥19.50	¥19.22	2,900,059
Mon, Sep 7	¥19.40	-0.44	-2.2%	¥19.78	¥19.84	¥19.31	3,607,973
Fri, Sep 4	¥19.84	+0.07	+0.4%	¥19.78	¥20.16	¥19.68	4,558,383
Thu, Sep 3	¥19.77	-0.67	-3.3%	¥20.12	¥20.21	¥19.61	6,476,327
Wed, Sep 2	¥20.44	+0.76	+3.9%	¥19.47	¥20.58	¥19.44	9,619,014
Tue, Sep 1	¥19.68	+0.32	+1.7%	¥19.30	¥19.75	¥19.17	3,591,889
Mon, Aug 31	¥19.36	+0.30	+1.6%	¥19.01	¥19.45	¥19.01	2,804,500
Fri, Aug 28	¥19.06	+0.23	+1.2%	¥18.84	¥19.48	¥18.78	3,453,402
Thu, Aug 27	¥18.83	+0.32	+1.7%	¥18.51	¥18.94	¥18.41	2,665,600
Wed, Aug 26	¥18.51	+0.02	+0.1%	¥18.35	¥18.76	¥18.31	1,769,200
Tue, Aug 25	¥18.49	+0.44	+2.4%	¥17.82	¥18.55	¥17.81	2,407,933
Mon, Aug 24	¥18.05	-0.15	-0.8%	¥18.19	¥18.30	¥17.90	1,460,200
Fri, Aug 21	¥18.20	+0.02	+0.1%	¥18.18	¥18.28	¥17.81	1,152,900
Thu, Aug 20	¥18.18	+0.36	+2.0%	¥17.76	¥18.30	¥17.76	1,860,235
Wed, Aug 19	¥17.82	-1.00	-5.3%	¥18.74	¥18.76	¥17.71	3,283,049
Tue, Aug 18	¥18.82	-0.39	-2.0%	¥19.39	¥19.39	¥18.69	2,949,702
Mon, Aug 17	¥19.21	-0.01	-0.1%	¥19.15	¥19.30	¥19.03	2,302,500
Fri, Aug 14	¥19.22	+0.17	+0.9%	¥19.00	¥19.29	¥18.97	2,501,200
Thu, Aug 13	¥19.05	-0.18	-0.9%	¥19.23	¥19.38	¥18.95	3,120,867
Wed, Aug 12	¥19.23	+0.01	+0.1%	¥19.12	¥19.39	¥19.06	3,156,001
Tue, Aug 11	¥19.22	-0.88	-4.4%	¥19.71	¥19.88	¥19.20	5,653,969
Mon, Aug 10	¥20.10	+1.43	+7.7%	¥18.64	¥20.14	¥18.49	8,708,729
Fri, Aug 7	¥18.67	-0.10	-0.5%	¥18.60	¥18.80	¥18.30	2,628,300
Thu, Aug 6	¥18.77	-0.04	-0.2%	¥18.67	¥18.96	¥18.40	3,802,200
Wed, Aug 5	¥18.81	+0.21	+1.1%	¥18.60	¥18.90	¥18.53	3,626,300
Tue, Aug 4	¥18.60	+0.22	+1.2%	¥18.61	¥18.74	¥18.36	3,297,422
Mon, Aug 3	¥18.38	+0.06	+0.3%	¥18.25	¥18.40	¥18.07	2,552,700
Fri, Jul 31	¥18.32	+0.17	+0.9%	¥17.94	¥18.53	¥17.85	4,096,600
Thu, Jul 30	¥18.15	-0.58	-3.1%	¥18.52	¥19.06	¥18.14	4,265,800
Wed, Jul 29	¥18.73	-0.07	-0.4%	¥18.51	¥18.87	¥18.20	4,310,509
Tue, Jul 28	¥18.80	-1.20	-6.0%	¥19.40	¥19.62	¥18.40	7,125,903
Mon, Jul 27	¥20.00	+0.90	+4.7%	¥18.50	¥20.24	¥18.41	10,592,351
Fri, Jul 24	¥19.10	+1.74	+10.0%	¥17.04	¥19.10	¥16.99	8,430,524
Thu, Jul 23	¥17.36	+0.73	+4.4%	¥16.55	¥17.60	¥16.51	3,459,200
Wed, Jul 22	¥16.63	-0.35	-2.1%	¥16.90	¥17.01	¥16.49	2,214,600
Tue, Jul 21	¥16.98	-0.22	-1.3%	¥17.40	¥17.40	¥15.96	4,290,625
Mon, Jul 20	¥17.20	-0.70	-3.9%	¥18.05	¥18.15	¥16.80	2,943,048

Ticker: Shenzhen:002189
Asset type: Stock
Exchange: Shenzhen
Currency: CNY