Kiniksa Pharmaceuticals International, plc (KNSA)

NASDAQ: KNSA · Real-Time Price · USD

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41.03

+1.62 (4.11%)

At close: Jan 20, 2026, 4:00 PM EST

41.02

-0.01 (-0.02%)

After-hours: Jan 20, 2026, 4:54 PM EST

KNSA Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jan 20, 2026	38.79	41.04	38.40	41.03	41.03	4.11%	516,773
Jan 16, 2026	38.11	39.47	38.04	39.41	39.41	3.93%	757,202
Jan 15, 2026	39.56	39.74	37.02	37.92	37.92	-4.15%	1,011,195
Jan 14, 2026	38.44	39.69	37.56	39.56	39.56	2.49%	988,035
Jan 13, 2026	41.55	42.39	38.20	38.60	38.60	-6.13%	580,322
Jan 12, 2026	42.59	43.00	41.01	41.12	41.12	-3.63%	869,029
Jan 9, 2026	42.23	42.69	41.31	42.67	42.67	2.25%	482,221
Jan 8, 2026	42.24	42.36	41.33	41.73	41.73	-1.63%	336,384
Jan 7, 2026	42.93	43.26	41.56	42.42	42.42	-0.61%	557,177
Jan 6, 2026	41.07	43.55	40.99	42.68	42.68	3.95%	1,124,471
Jan 5, 2026	41.82	41.91	39.16	41.06	41.06	-2.25%	700,074
Jan 2, 2026	41.26	42.90	40.95	42.01	42.01	1.83%	709,357
Dec 31, 2025	40.90	41.38	40.57	41.25	41.25	0.63%	267,114
Dec 30, 2025	40.89	42.15	40.52	40.99	40.99	-0.01%	265,980
Dec 29, 2025	41.87	41.87	40.90	41.00	41.00	-2.39%	281,068
Dec 26, 2025	42.48	42.58	41.65	42.00	42.00	-1.15%	199,919
Dec 24, 2025	42.68	42.99	42.29	42.49	42.49	-0.07%	153,828
Dec 23, 2025	43.54	43.66	42.34	42.52	42.52	-2.30%	244,013
Dec 22, 2025	43.00	44.42	42.46	43.52	43.52	0.76%	512,665
Dec 19, 2025	42.25	43.73	42.02	43.19	43.19	2.83%	919,046
Dec 18, 2025	41.41	42.47	40.77	42.00	42.00	1.28%	557,206
Dec 17, 2025	41.37	42.00	41.21	41.47	41.47	0.24%	389,886
Dec 16, 2025	41.38	42.00	41.05	41.37	41.37	-0.43%	523,012
Dec 15, 2025	41.65	41.99	41.18	41.55	41.55	-0.10%	619,402
Dec 12, 2025	41.06	41.99	40.33	41.59	41.59	1.41%	489,952
Dec 11, 2025	40.64	41.75	40.34	41.01	41.01	1.15%	451,436
Dec 10, 2025	41.14	41.60	40.05	40.55	40.55	-1.45%	299,620
Dec 9, 2025	41.35	42.32	41.00	41.14	41.14	-0.99%	567,434
Dec 8, 2025	42.08	42.12	41.00	41.55	41.55	-0.29%	336,864
Dec 5, 2025	41.12	42.00	40.31	41.67	41.67	1.66%	339,536
Dec 4, 2025	40.35	41.48	39.79	40.99	40.99	0.99%	331,068
Dec 3, 2025	40.32	41.55	39.61	40.59	40.59	1.30%	231,835
Dec 2, 2025	40.85	41.67	40.04	40.07	40.07	-2.10%	235,507
Dec 1, 2025	42.33	42.53	40.69	40.93	40.93	-3.74%	352,898
Nov 28, 2025	42.50	42.89	42.02	42.52	42.52	-0.05%	147,753
Nov 26, 2025	42.95	42.98	42.01	42.54	42.54	-0.40%	311,912
Nov 25, 2025	41.33	42.85	41.00	42.71	42.71	1.76%	479,139
Nov 24, 2025	41.74	42.36	40.76	41.97	41.97	0.94%	614,030
Nov 21, 2025	41.22	42.07	40.44	41.58	41.58	0.22%	177,944
Nov 20, 2025	42.34	42.93	41.39	41.49	41.49	-1.59%	455,571
Nov 19, 2025	41.03	42.26	40.70	42.16	42.16	2.13%	362,002
Nov 18, 2025	41.13	42.30	40.52	41.28	41.28	-0.29%	381,000
Nov 17, 2025	40.00	41.70	39.61	41.40	41.40	2.68%	276,441
Nov 14, 2025	40.03	41.19	40.00	40.32	40.32	0.07%	264,948
Nov 13, 2025	40.66	40.89	40.09	40.29	40.29	-0.71%	264,631
Nov 12, 2025	40.50	41.27	40.04	40.58	40.58	0.02%	405,277
Nov 11, 2025	39.50	40.89	39.19	40.57	40.57	2.71%	276,817
Nov 10, 2025	39.71	39.82	38.57	39.50	39.50	2.95%	261,547
Nov 7, 2025	38.55	38.82	37.61	38.37	38.37	-0.67%	285,414
Nov 6, 2025	38.85	39.37	38.52	38.63	38.63	-1.30%	208,995