Kiniksa Pharmaceuticals International, plc (KNSA)

KNSA Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
May 22, 2026	53.48	55.08	53.02	53.24	53.24	-0.76%	377,717
May 21, 2026	53.59	55.33	53.16	53.65	53.65	-1.16%	767,557
May 20, 2026	53.59	54.51	52.31	54.28	54.28	1.76%	443,456
May 19, 2026	53.50	54.28	52.93	53.34	53.34	-0.56%	452,607
May 18, 2026	56.95	57.01	53.31	53.64	53.64	-5.08%	535,477
May 15, 2026	58.00	58.56	56.22	56.51	56.51	-3.47%	471,516
May 14, 2026	59.38	59.72	57.99	58.54	58.54	-0.98%	410,052
May 13, 2026	59.39	59.87	58.52	59.12	59.12	-0.61%	379,688
May 12, 2026	58.69	59.87	58.14	59.48	59.48	1.90%	511,026
May 11, 2026	58.98	59.75	57.36	58.37	58.37	-0.39%	399,173
May 8, 2026	57.06	58.85	56.83	58.60	58.60	2.93%	394,278
May 7, 2026	57.62	57.62	55.76	56.93	56.93	-2.23%	545,395
May 6, 2026	56.52	58.26	55.82	58.23	58.23	2.63%	856,940
May 5, 2026	57.42	58.20	56.09	56.74	56.74	-1.53%	624,939
May 4, 2026	54.97	57.72	54.45	57.62	57.62	4.25%	763,788
May 1, 2026	53.78	55.28	52.77	55.27	55.27	2.77%	1,021,781
Apr 30, 2026	53.57	54.07	52.55	53.78	53.78	1.49%	861,411
Apr 29, 2026	53.91	54.31	52.29	52.99	52.99	-1.60%	1,276,092
Apr 28, 2026	47.20	54.23	45.01	53.85	53.85	23.48%	3,030,904
Apr 27, 2026	42.67	44.23	42.61	43.61	43.61	1.92%	1,294,317
Apr 24, 2026	43.00	43.00	41.95	42.79	42.79	-0.60%	645,696
Apr 23, 2026	43.30	43.84	42.51	43.05	43.05	0.02%	567,623
Apr 22, 2026	42.84	43.69	42.67	43.04	43.04	1.39%	703,453
Apr 21, 2026	42.46	43.46	41.49	42.45	42.45	-0.02%	1,081,566
Apr 20, 2026	44.77	44.86	42.46	42.46	42.46	-5.43%	1,209,422
Apr 17, 2026	45.40	45.91	44.74	44.90	44.90	-0.93%	1,013,427
Apr 16, 2026	46.44	46.62	44.90	45.32	45.32	-1.24%	623,199
Apr 15, 2026	47.00	47.56	45.21	45.89	45.89	-2.20%	718,289
Apr 14, 2026	47.13	47.78	45.60	46.92	46.92	-0.80%	727,254
Apr 13, 2026	47.35	48.46	46.60	47.30	47.30	0.47%	350,988
Apr 10, 2026	47.21	47.74	46.78	47.08	47.08	-0.53%	481,154
Apr 9, 2026	46.69	47.55	44.40	47.33	47.33	0.64%	666,516
Apr 8, 2026	49.23	49.87	46.46	47.03	47.03	-3.90%	651,112
Apr 7, 2026	49.60	50.01	48.67	48.94	48.94	-1.23%	414,236
Apr 6, 2026	48.58	50.03	48.58	49.55	49.55	1.50%	791,726
Apr 2, 2026	47.75	48.85	46.82	48.82	48.82	1.43%	436,345
Apr 1, 2026	48.87	49.33	47.71	48.13	48.13	-0.04%	494,017
Mar 31, 2026	46.66	48.56	45.99	48.15	48.15	5.36%	604,129
Mar 30, 2026	45.59	45.95	44.76	45.70	45.70	-0.11%	325,149
Mar 27, 2026	46.60	46.91	45.44	45.75	45.75	-2.20%	974,269
Mar 26, 2026	45.75	47.13	45.24	46.78	46.78	2.05%	405,483
Mar 25, 2026	45.00	46.70	45.00	45.84	45.84	2.00%	381,033
Mar 24, 2026	45.75	45.75	44.43	44.94	44.94	-2.39%	439,332
Mar 23, 2026	46.36	47.17	45.71	46.04	46.04	-0.09%	679,443
Mar 20, 2026	45.64	46.34	44.62	46.08	46.08	0.99%	852,482
Mar 19, 2026	45.21	45.93	44.36	45.63	45.63	1.06%	789,008
Mar 18, 2026	47.02	47.02	45.04	45.15	45.15	-3.98%	630,141
Mar 17, 2026	46.73	47.10	46.41	47.02	47.02	1.12%	518,203
Mar 16, 2026	45.75	47.83	45.75	46.50	46.50	1.57%	770,652
Mar 13, 2026	46.49	46.54	45.30	45.78	45.78	-0.63%	852,872

Stock Analysis Pro

Upgrade now for unlimited access to all data and tools.

Market Newsletter

Get a daily email with the top market news in bullet point format.