CoStar Group Inc (CSGP) — Price History

As of 2026-11-10 — refreshed nightly from the Closelooknet data lake. Diary readings, not advice.

The Closelooknet read

Signal: +2.3% at the close — Holding 63.4% off its 52-week high. (as of 2026-11-09)
Trend: CoStar Group Inc trades 3.3% above its 50-day and 12.4% below its 200-day moving average. (as of 2026-11-09)
Index seat: Agentic Winners 40

CoStar Group builds databases and online marketplaces that track commercial and residential property, covering ownership, tenants, and completed sales and lease transactions across several countries. Its products include CoStar Property, CoStar Leasing, CoStar Sales and CoStar Markets, alongside public-facing sites such as LoopNet, Homes.com, Land.com and an apartment-listings service.

The full read — the desk's view, the earnings record, peers and the company snapshot — is on the CSGP overview; the trend detail on the technical tab. Research diary readings, not advice.

Daily prices

Date	Open	High	Low	Close	Chg %	Volume
2026-11-10	30.84	30.84	29.77	30.33	-2.91%	3,140,498
2026-11-09	30.63	31.38	29.87	31.24	+2.26%	5,841,800
2026-11-06	30.80	31.27	30.52	30.55	-4.68%	7,688,200
2026-11-05	33.11	33.21	31.01	32.05	-1.63%	6,558,800
2026-11-04	32.40	33.69	32.20	32.58	+4.02%	5,652,700
2026-11-03	31.34	31.37	30.42	31.32	-1.57%	4,338,900
2026-11-02	30.04	32.24	30.00	31.82	+5.47%	5,619,700
2026-10-30	28.85	30.26	28.36	30.17	+7.21%	9,593,100
2026-10-29	27.69	28.39	27.07	28.14	+2.18%	7,154,400
2026-10-28	30.00	30.68	26.86	27.54	-13.96%	18,319,100
2026-10-27	33.69	33.69	31.87	32.01	-5.01%	6,899,700
2026-10-26	33.94	34.26	33.02	33.70	-0.65%	4,758,900
2026-10-23	35.22	35.59	33.79	33.92	-4.32%	7,393,000
2026-10-22	33.98	35.63	33.43	35.45	+7.75%	8,311,300
2026-10-21	32.95	33.29	32.68	32.90	-0.45%	4,219,100
2026-10-20	32.39	33.31	32.39	33.05	+3.90%	3,966,700
2026-10-19	31.93	32.05	31.39	31.81	-1.55%	4,436,700
2026-10-16	32.39	32.65	31.59	32.31	+0.97%	5,771,100
2026-10-15	30.59	32.50	30.45	32.00	+6.28%	5,573,900
2026-10-14	29.98	30.21	29.30	30.11	+0.37%	5,751,000
2026-10-13	29.48	30.02	29.11	30.00	+2.70%	7,359,200
2026-10-12	29.67	29.90	29.03	29.21	-1.55%	2,765,600
2026-10-09	30.02	30.16	29.54	29.67	-0.47%	4,093,600
2026-10-08	27.60	29.83	27.58	29.81	+8.01%	9,467,400
2026-10-07	27.77	27.87	27.17	27.60	-0.11%	4,949,500
2026-10-06	27.70	28.20	27.46	27.63	-0.11%	4,577,700
2026-10-05	27.25	27.68	27.18	27.66	+1.02%	4,934,000
2026-10-02	27.48	27.81	27.15	27.38	-1.23%	3,741,500
2026-10-01	27.91	28.23	27.10	27.72	+1.17%	4,630,400
2026-09-30	27.03	27.55	26.86	27.40	+1.67%	6,693,000
2026-09-29	26.84	27.18	26.52	26.95	-0.26%	5,193,500
2026-09-28	27.68	27.75	26.85	27.02	-3.81%	5,182,600
2026-09-25	27.73	28.63	27.60	28.09	+0.83%	6,662,500
2026-09-24	28.18	28.54	27.28	27.86	-1.42%	6,497,500
2026-09-23	28.69	28.69	27.89	28.26	-1.77%	5,664,200
2026-09-22	29.63	29.63	28.31	28.77	-0.93%	5,284,600
2026-09-21	29.24	29.64	28.84	29.04	-0.17%	7,098,800
2026-09-18	29.30	29.91	28.96	29.09	-0.72%	17,117,000
2026-09-17	30.48	30.59	29.24	29.30	-3.49%	4,863,500
2026-09-16	31.25	31.43	30.27	30.36	-3.80%	4,667,400
2026-09-15	31.15	31.79	30.70	31.56	+0.13%	6,720,700
2026-09-14	31.17	31.83	30.75	31.52	+3.48%	5,796,700
2026-09-11	29.72	30.60	29.71	30.46	+3.29%	6,195,600
2026-09-10	29.64	30.14	28.79	29.49	-0.30%	7,239,100
2026-09-09	30.02	30.29	29.33	29.58	-2.50%	4,448,700
2026-09-08	30.55	30.63	29.66	30.34	-1.84%	6,128,500
2026-09-04	31.25	31.33	30.32	30.91	-2.43%	3,875,300
2026-09-03	31.84	32.79	31.22	31.68	+1.34%	4,540,700
2026-09-02	31.97	32.65	31.20	31.26	-2.25%	5,169,500
2026-09-01	32.00	32.46	31.40	31.98	-0.28%	6,137,600
2026-08-31	31.95	32.59	31.79	32.07	-0.47%	33,461,800
2026-08-28	31.71	32.59	31.45	32.22	+2.81%	4,336,700
2026-08-27	32.05	32.49	31.29	31.34	-2.49%	5,424,300
2026-08-26	32.31	32.92	31.74	32.14	-2.04%	4,799,300
2026-08-25	32.59	33.28	32.25	32.81	-0.09%	4,915,500
2026-08-24	32.52	32.90	32.29	32.84	+1.80%	5,035,000
2026-08-21	32.51	33.26	31.99	32.26	+0.00%	4,751,500
2026-08-20	33.46	33.63	31.72	32.26	-4.36%	6,621,600
2026-08-19	31.28	33.82	31.20	33.73	+7.49%	5,818,500
2026-08-18	32.03	32.30	31.30	31.38	+0.10%	3,845,900
2026-08-17	31.95	32.15	30.99	31.35	-3.18%	4,936,400
2026-08-14	33.28	33.30	31.86	32.38	-2.03%	5,996,700
2026-08-13	30.68	33.10	30.68	33.05	+8.36%	7,965,600
2026-08-12	30.65	31.08	30.22	30.50	-1.99%	4,275,600
2026-08-11	31.25	31.52	30.65	31.12	-1.14%	4,039,400
2026-08-10	30.04	31.49	30.04	31.48	+4.10%	6,164,300
2026-08-07	30.05	31.68	30.04	30.24	+2.23%	6,205,500
2026-08-06	29.89	30.22	29.27	29.58	-2.09%	7,812,200
2026-08-05	30.61	30.75	29.53	30.21	+1.31%	6,644,400
2026-08-04	29.42	30.07	29.35	29.82	-0.70%	5,794,200
2026-08-03	29.47	30.18	29.26	30.03	+4.42%	6,026,900
2026-07-31	29.02	29.38	28.38	28.76	-2.38%	8,230,500
2026-07-30	28.27	29.57	28.13	29.46	-1.24%	12,134,100
2026-07-29	26.03	30.45	25.89	29.83	-1.65%	17,581,000
2026-07-28	29.90	31.40	29.75	30.33	+3.98%	9,819,900
2026-07-27	28.05	29.92	28.04	29.17	+5.46%	9,804,600
2026-07-24	27.28	28.09	27.09	27.66	+1.92%	6,846,800
2026-07-23	27.89	28.03	26.77	27.14	-1.99%	7,157,600
2026-07-22	28.76	28.92	27.48	27.69	-2.84%	5,635,600
2026-07-21	28.63	29.39	28.34	28.50	-3.98%	5,576,400
2026-07-20	29.50	29.90	28.85	29.68	-0.34%	6,352,200
2026-07-17	30.64	31.01	29.59	29.78	-1.94%	5,898,200
2026-07-16	29.07	30.52	28.96	30.37	+6.60%	8,941,700
2026-07-15	28.04	29.25	27.96	28.49	+2.93%	7,340,400
2026-07-14	27.00	28.00	26.68	27.68	-3.79%	14,088,800
2026-07-13	28.88	29.38	28.22	28.77	+1.34%	6,451,100
2026-07-10	29.67	30.05	28.09	28.39	-2.74%	5,916,200
2026-07-09	28.86	29.35	28.44	29.19	-0.51%	4,955,400
2026-07-08	29.66	29.82	29.02	29.34	-1.77%	5,101,300
2026-07-07	29.67	30.14	29.19	29.87	+4.08%	6,002,400
2026-07-06	29.68	29.83	28.54	28.70	-4.33%	6,720,800
2026-07-02	29.56	30.42	29.22	30.00	+2.18%	4,735,800
2026-07-01	29.08	30.02	28.77	29.36	+3.67%	6,235,100
2026-06-30	29.03	29.26	28.18	28.32	-3.41%	6,929,800
2026-06-29	30.61	30.71	29.20	29.32	-3.07%	5,599,300
2026-06-26	28.90	30.52	28.84	30.25	+5.62%	8,813,800
2026-06-25	29.31	29.68	28.54	28.64	-3.92%	6,449,800
2026-06-24	29.89	30.89	29.76	29.81	-1.49%	6,675,200
2026-06-23	29.73	30.60	29.73	30.26	+3.56%	8,313,800
2026-06-22	30.05	31.04	29.08	29.22	-2.99%	7,025,600
2026-06-18	30.46	30.73	29.53	30.12	-1.12%	16,140,800
2026-06-17	31.80	32.56	30.38	30.46	-4.72%	9,728,900
2026-06-16	32.01	32.72	31.64	31.97	-0.22%	5,749,300
2026-06-15	32.68	34.08	31.91	32.04	-2.44%	6,018,600
2026-06-12	32.57	33.19	31.63	32.84	+0.58%	4,914,800
2026-06-11	33.53	34.06	32.33	32.65	-4.62%	7,751,600
2026-06-10	33.58	34.77	33.16	34.23	+0.88%	6,276,100
2026-06-09	33.05	34.20	32.85	33.93	+1.62%	6,634,900
2026-06-08	33.31	34.04	32.68	33.39	-1.48%	7,712,700
2026-06-05	33.93	34.27	33.06	33.89	+0.68%	6,998,700
2026-06-04	34.66	34.82	33.13	33.66	+0.78%	7,347,900
2026-06-03	33.51	33.52	32.05	33.40	-0.77%	9,461,300
2026-06-02	33.08	33.76	31.70	33.66	-0.59%	9,188,500
2026-06-01	32.62	33.88	32.01	33.86	+5.16%	8,038,400
2026-05-29	32.65	32.94	31.86	32.20	-0.31%	7,788,800
2026-05-28	32.24	32.90	32.00	32.30	-0.06%	6,747,800
2026-05-27	32.59	33.48	32.21	32.32	-0.62%	5,016,900
2026-05-26	33.61	33.71	32.50	32.52	-4.21%	5,964,300
2026-05-22	33.87	34.64	33.61	33.95	+0.06%	4,615,700
2026-05-21	33.65	34.43	33.03	33.93	-0.24%	5,411,000
2026-05-20	33.41	34.26	32.19	34.01	+0.62%	5,009,200
2026-05-19	33.80	34.86	33.28	33.80	+1.81%	6,596,500
2026-05-18	32.73	34.34	32.42	33.20	+1.59%	10,165,100
2026-05-15	31.92	33.02	31.92	32.68	+2.61%	37,834,000
2026-05-14	31.97	32.58	31.36	31.85	-0.38%	7,866,800
2026-05-13	32.41	32.88	31.78	31.97	-3.27%	8,482,100
2026-05-12	33.21	33.54	32.21	33.05	+0.39%	8,260,700
2026-05-11	32.45	33.19	32.09	32.92	+0.46%	8,214,700
2026-05-08	34.62	34.64	32.71	32.77	-6.32%	7,105,400
2026-05-07	34.08	35.59	33.94	34.98	+2.67%	7,712,000
2026-05-06	34.95	35.26	34.03	34.07	-2.38%	5,466,000
2026-05-05	35.23	35.37	33.82	34.90	-1.36%	5,587,200
2026-05-04	35.77	35.86	34.69	35.38	+1.90%	6,712,500
2026-05-01	35.28	36.09	34.35	34.72	+0.32%	6,367,800
2026-04-30	33.76	34.75	33.33	34.61	+1.38%	7,908,200
2026-04-29	35.65	36.53	33.32	34.14	-5.06%	15,388,100
2026-04-28	36.85	37.39	35.88	35.96	-0.77%	7,354,900
2026-04-27	36.20	36.98	36.08	36.24	-0.55%	5,669,100
2026-04-24	37.30	37.49	36.04	36.44	-2.51%	4,343,200
2026-04-23	38.48	38.70	36.56	37.38	-3.59%	6,626,600
2026-04-22	39.13	39.62	37.77	38.77	-0.36%	4,509,700
2026-04-21	40.16	41.03	38.77	38.91	-2.87%	4,004,100
2026-04-20	39.70	40.32	39.36	40.06	+0.86%	3,782,800
2026-04-17	40.58	40.94	39.52	39.72	-0.80%	3,993,900
2026-04-16	39.77	40.41	39.57	40.04	+1.86%	6,694,100
2026-04-15	38.05	39.52	37.64	39.31	+4.55%	6,507,500
2026-04-14	36.81	38.35	36.81	37.60	+1.46%	7,372,300
2026-04-13	36.14	37.26	34.75	37.06	+1.59%	11,553,600
2026-04-10	37.30	37.50	35.77	36.48	-2.25%	5,175,700
2026-04-09	38.28	38.44	36.91	37.32	-3.86%	5,766,600
2026-04-08	40.73	41.13	38.48	38.82	-1.67%	6,050,800
2026-04-07	41.11	41.25	39.44	39.48	-4.13%	4,277,400
2026-04-06	39.92	41.29	39.64	41.18	+3.08%	5,477,100
2026-04-02	39.65	40.84	38.70	39.95	+0.81%	5,797,800
2026-04-01	40.34	40.34	38.69	39.63	-1.76%	5,478,000
2026-03-31	41.50	41.63	39.57	40.34	-1.32%	5,481,900
2026-03-30	40.16	41.07	40.04	40.88	+2.79%	6,667,800
2026-03-27	41.07	41.43	39.18	39.77	-3.70%	6,295,200
2026-03-26	40.95	42.71	40.95	41.30	-0.27%	4,984,300
2026-03-25	41.84	42.12	40.33	41.41	-0.12%	5,753,000
2026-03-24	42.32	42.52	40.78	41.46	-3.38%	4,556,800
2026-03-23	43.67	43.75	41.79	42.91	+0.02%	7,209,300
2026-03-20	42.24	43.27	41.96	42.90	+0.19%	15,182,900
2026-03-19	42.73	43.57	41.84	42.82	-0.67%	6,127,000
2026-03-18	43.53	44.13	42.65	43.11	-2.58%	8,457,700
2026-03-17	44.07	45.21	43.62	44.25	+1.44%	4,299,000
2026-03-16	43.95	44.10	43.45	43.62	-0.02%	5,905,000
2026-03-13	43.71	44.27	42.94	43.63	+0.62%	5,270,600
2026-03-12	45.01	46.34	43.29	43.36	-4.37%	6,289,500
2026-03-11	46.46	47.15	44.83	45.34	-2.14%	5,274,600
2026-03-10	47.73	48.31	45.50	46.33	-4.32%	4,530,916
2026-03-09	48.20	48.93	47.62	48.42	+0.08%	5,632,907
2026-03-06	48.36	48.74	47.64	48.38	-1.08%	3,959,600
2026-03-05	47.48	49.03	47.27	48.91	+2.75%	5,872,000
2026-03-04	46.81	48.25	46.81	47.60	+1.75%	4,337,500
2026-03-03	45.88	47.37	44.78	46.78	+3.56%	5,592,200
2026-03-02	43.58	45.38	43.16	45.17	+1.21%	6,342,200
2026-02-27	43.99	45.41	43.74	44.63	-0.82%	8,059,300
2026-02-26	45.54	46.12	44.79	45.00	+0.49%	7,624,500
2026-02-25	46.59	47.10	43.17	44.78	-8.89%	11,638,500
2026-02-24	47.56	49.75	47.33	49.15	+2.67%	5,596,600
2026-02-23	49.39	50.07	47.81	47.87	-4.01%	7,213,500
2026-02-20	50.05	52.08	49.43	49.87	+1.63%	7,901,800
2026-02-19	48.53	49.48	48.05	49.07	+0.27%	5,216,200
2026-02-18	46.37	49.07	46.37	48.94	+7.00%	7,988,300
2026-02-17	44.97	45.82	43.80	45.74	+1.67%	8,854,700
2026-02-13	45.34	45.90	44.55	44.99	-0.09%	5,526,701
2026-02-12	47.72	48.04	43.92	45.03	-5.93%	10,330,060
2026-02-11	50.31	50.31	46.78	47.87	-5.86%	6,227,631
2026-02-10	50.20	52.35	50.20	50.85	-0.22%	5,956,289
2026-02-09	49.64	51.36	48.55	50.96	+1.35%	8,650,054
2026-02-06	51.13	51.69	48.76	50.28	-1.39%	6,756,617
2026-02-05	52.78	53.32	50.72	50.99	-2.58%	7,443,178
2026-02-04	52.14	53.38	50.59	52.34	+1.18%	11,033,560
2026-02-03	60.13	60.39	51.57	51.73	-15.45%	12,882,750
2026-02-02	61.46	62.67	61.04	61.18	-0.52%	6,010,924
2026-01-30	61.51	62.38	60.77	61.50	-0.69%	4,662,902
2026-01-29	65.31	65.46	61.61	61.93	-5.02%	4,517,349
2026-01-28	66.97	67.68	65.15	65.20	-1.54%	4,374,831
2026-01-27	69.28	70.57	65.69	66.22	+0.62%	17,993,359
2026-01-26	65.95	67.06	65.75	65.81	+0.32%	4,026,603
2026-01-23	65.72	66.68	65.26	65.60	-1.00%	4,985,944
2026-01-22	64.87	67.79	64.69	66.26	+2.30%	7,257,174
2026-01-21	63.98	64.96	62.80	64.77	+1.49%	6,367,541
2026-01-20	64.09	64.81	63.17	63.82	-2.33%	5,721,396
2026-01-16	63.41	65.93	63.14	65.34	+3.09%	7,622,875
2026-01-15	63.97	64.58	62.08	63.38	-0.77%	5,471,880
2026-01-14	61.42	63.93	61.14	63.87	+3.32%	8,203,352
2026-01-13	58.91	62.52	58.13	61.82	+4.25%	12,699,290
2026-01-12	58.49	59.44	57.01	59.30	+1.38%	8,883,496
2026-01-09	61.36	61.83	58.41	58.49	-4.68%	7,690,623
2026-01-08	60.61	62.89	60.19	61.36	-0.49%	8,338,141
2026-01-07	68.26	68.98	61.57	61.66	-8.24%	13,759,010
2026-01-06	66.02	67.64	65.23	67.20	+1.17%	3,143,273
2026-01-05	65.60	67.38	65.22	66.42	+1.11%	4,369,181
2026-01-02	67.11	67.22	65.22	65.69	-2.31%	4,368,222
2025-12-31	67.86	67.86	67.00	67.24	-0.91%	2,069,592
2025-12-30	67.24	67.96	66.97	67.86	+0.38%	2,678,415
2025-12-29	67.09	67.90	66.65	67.60	+0.88%	3,300,912
2025-12-26	66.72	67.17	66.48	67.01	+0.18%	2,295,058
2025-12-24	66.34	67.27	66.30	66.89	+0.38%	992,758
2025-12-23	66.60	66.88	65.79	66.64	+0.06%	2,723,477
2025-12-22	65.12	66.69	64.97	66.60	+2.10%	4,613,830
2025-12-19	64.41	65.84	63.99	65.23	+0.54%	9,576,214
2025-12-18	65.01	65.50	64.65	64.88	+0.08%	5,129,500
2025-12-17	63.62	65.08	63.59	64.83	+1.90%	5,365,647
2025-12-16	64.00	64.89	63.36	63.62	-0.20%	4,762,047
2025-12-15	68.25	68.25	62.00	63.75	-6.57%	8,312,661
2025-12-12	67.92	68.51	67.73	68.23	+1.13%	3,147,285
2025-12-11	67.76	68.50	67.16	67.47	-0.59%	3,408,400
2025-12-10	67.80	68.58	67.28	67.87	-0.09%	2,744,006
2025-12-09	66.52	68.49	66.34	67.93	+2.41%	2,774,458
2025-12-08	67.92	67.95	66.08	66.33	-2.47%	3,429,321
2025-12-05	67.81	68.77	67.47	68.01	-0.26%	2,950,746
2025-12-04	69.00	69.06	68.08	68.19	-1.20%	2,329,218
2025-12-03	68.22	69.12	68.03	69.02	+1.20%	2,449,698
2025-12-02	68.33	68.64	67.49	68.20	+0.26%	3,120,829
2025-12-01	67.97	69.30	67.85	68.02	-1.13%	3,026,120
2025-11-28	68.44	68.90	67.74	68.80	+1.45%	1,806,660
2025-11-26	68.75	69.12	67.78	67.82	-1.99%	3,287,376
2025-11-25	67.98	69.36	67.16	69.20	+2.44%	3,746,797
2025-11-24	67.42	68.27	66.94	67.55	+0.45%	10,979,940
2025-11-21	65.98	67.59	65.90	67.25	+2.64%	5,769,901
2025-11-20	66.73	66.81	64.72	65.52	-0.76%	5,403,137
2025-11-19	66.42	66.52	65.45	66.02	-1.18%	3,903,231
2025-11-18	67.00	67.42	66.22	66.81	-0.28%	3,961,848
2025-11-17	68.05	69.02	66.63	67.00	-1.54%	3,346,156
2025-11-14	68.34	69.06	67.86	68.05	-0.70%	3,648,659
2025-11-13	68.50	69.13	68.25	68.53	-0.71%	4,617,055
2025-11-12	68.27	69.29	67.42	69.02	+0.89%	4,608,810

Most recent 250 sessions, newest first.

Seasonal returns

Best month historically: Nov (+5.97%). Worst month: Feb (-8.87%). Based on 5 years of daily data (2022–2026).

Jan-0.06%
Feb-8.87%
Mar+0.54%
Apr-2.57%
May-5.09%
Jun-0.00%
Jul+3.93%
Aug+0.06%
Sep-6.53%
Oct+0.06%
Nov+5.97%
Dec-4.02%

FAQ · from the current price data · as of 2026-11-10

Quick answers

What is CoStar Group Inc's (CSGP) latest close?

30.33 on 2026-11-10, from the Closelook data lake's daily price record.

What is CSGP's 52-week high and low?

70.57 high and 25.89 low over the trailing 52 weeks, as of 2026-11-10.

What is CoStar Group Inc's strongest and weakest month historically?

Historically, CSGP's strongest calendar month has been Nov (average +5.97%) and its weakest Feb (average -8.87%), based on 5 years of daily data (2022–2026).

How many years of seasonality does this cover?

5 years (2022–2026), computed from 1031 daily bars in the Closelook data lake.

What is the current Closelooknet signal on CSGP?

+2.3% at the close: Holding 63.4% off its 52-week high. As of 2026-11-09. A research diary reading, not advice.

Is CSGP above its 50-day and 200-day moving averages?

CoStar Group Inc trades 3.3% above its 50-day and 12.4% below its 200-day moving average (1.2% below its 20-day). As of 2026-11-09.