Daily Nasdaq prices are sourced from yfinance. Yellow highlighting
marks an intraday rise or a gap up between adjacent trading sessions. SEC acceptance times are converted to US Eastern time:
pre-market filings appear below that day’s OHLCV row; filings accepted after the 09:30 ET open appear above it.
The SEC does not publish an exact first-public-availability timestamp, so acceptance time is the best available proxy.
Date
Open
High
Low
Close
Volume
Mon, 27 Jul 2026
No data yet
Sun, 26 Jul 2026
Weekend
Sat, 25 Jul 2026
Weekend
Fri, 24 Jul 2026
149.5800
151.3900
147.8300
150.5800
714,800
Thu, 23 Jul 2026
146.6400
148.4300
144.3800
148.2300
1,072,000
Wed, 22 Jul 2026
150.1400
150.1400
145.7400
146.1600
852,400
Tue, 21 Jul 2026
149.4400
151.8400
148.4200
148.9000
684,100
Mon, 20 Jul 2026
151.6700
153.9400
148.4300
153.1600
1,307,900
Sun, 19 Jul 2026
Weekend
Sat, 18 Jul 2026
Weekend
Fri, 17 Jul 2026
153.2100
155.7700
149.6000
151.6700
1,222,800
Thu, 16 Jul 2026
150.0100
154.4500
149.1100
153.8400
930,900
Wed, 15 Jul 2026
146.7500
150.7600
146.1600
148.4700
1,106,700
Tue, 14 Jul 2026
146.9300
148.4900
145.2600
145.3700
1,603,100
Mon, 13 Jul 2026
150.6700
153.4100
150.4800
150.7300
1,321,400
Sun, 12 Jul 2026
Weekend
Sat, 11 Jul 2026
Weekend
Fri, 10 Jul 2026
151.1000
151.7500
147.7300
150.3200
1,758,200
Thu, 09 Jul 2026
145.2600
150.5900
143.3400
150.2200
1,740,500
Wed, 08 Jul 2026
147.7600
147.7800
143.8400
147.3700
1,897,800
Tue, 07 Jul 2026
147.4400
150.2300
146.5500
146.7100
1,405,000
Mon, 06 Jul 2026
146.8200
148.1200
144.2700
146.3800
1,257,300
Sun, 05 Jul 2026
Weekend
Sat, 04 Jul 2026
Weekend
Fri, 03 Jul 2026
No trading
Thu, 02 Jul 2026
142.9800
147.6100
142.9800
146.8700
1,111,700
Wed, 01 Jul 2026
139.4000
145.1000
139.3700
142.4200
1,385,600
Tue, 30 Jun 2026
135.0500
138.5000
134.5000
137.7400
1,083,800
Mon, 29 Jun 2026
135.7300
137.3400
133.6300
136.7300
1,803,600
Sun, 28 Jun 2026
Weekend
Sat, 27 Jun 2026
Weekend
Fri, 26 Jun 2026
129.6700
135.5600
129.6700
135.0000
2,148,900
Thu, 25 Jun 2026
126.8700
129.8000
125.2400
128.7100
1,611,900
Wed, 24 Jun 2026
124.4800
129.2900
124.3300
128.0600
1,125,300
Tue, 23 Jun 2026
125.2000
126.9600
125.0400
125.2500
1,528,600
Mon, 22 Jun 2026
124.5600
125.2900
121.0400
123.4200
1,738,900
Sun, 21 Jun 2026
Weekend
Sat, 20 Jun 2026
Weekend
Fri, 19 Jun 2026
No trading
Thu, 18 Jun 2026
125.6300
126.7200
122.8700
126.2300
5,769,800
Wed, 17 Jun 2026
127.6800
130.7300
123.5600
124.2200
1,710,900
Tue, 16 Jun 2026
131.1500
131.3500
128.6700
129.2900
1,420,500
Mon, 15 Jun 2026
129.4700
133.1300
128.2900
130.3500
2,208,700
Sun, 14 Jun 2026
Weekend
Sat, 13 Jun 2026
Weekend
Fri, 12 Jun 2026
125.9600
128.8300
124.6300
128.2300
1,411,600
Thu, 11 Jun 2026
128.0500
129.1200
125.7500
125.9600
1,816,600
Wed, 10 Jun 2026
127.3500
130.6000
125.8000
127.5900
1,333,000
Tue, 09 Jun 2026
125.2400
127.7800
124.7800
127.3500
1,347,300
Mon, 08 Jun 2026
128.9500
129.2700
126.1400
126.3700
1,333,400
Sun, 07 Jun 2026
Weekend
Sat, 06 Jun 2026
Weekend
Fri, 05 Jun 2026
130.9600
132.4600
129.2500
130.1100
1,621,000
Thu, 04 Jun 2026
135.4900
136.7000
130.6600
130.7300
1,389,600
Thu, 04 Jun 2026
21 · 8-K
Pre-market · 09:04 ET
8-K - JKHY - 2026.05.29 - ANNOUNCING FOSS RETIREMENT ↗
Wed, 03 Jun 2026
135.9200
135.9200
131.3900
133.1300
1,416,700
Tue, 02 Jun 2026
138.7700
138.8100
135.6600
136.0300
1,243,400
Mon, 01 Jun 2026
136.4300
141.6000
136.2600
140.2000
1,969,500
Sun, 31 May 2026
Weekend
Sat, 30 May 2026
Weekend
Fri, 29 May 2026
136.2200
137.9100
135.1700
136.3200
8,161,000
Thu, 28 May 2026
136.2600
136.8000
135.1100
136.2200
1,378,900
Wed, 27 May 2026
136.7100
139.4500
135.6200
136.2600
1,221,200
Tue, 26 May 2026
138.9000
138.9000
136.7800
137.3600
1,558,700
Mon, 25 May 2026
No trading
Sun, 24 May 2026
Weekend
Sat, 23 May 2026
Weekend
Fri, 22 May 2026
139.4400
142.0500
139.1600
140.1900
1,082,800
Thu, 21 May 2026
138.5800
141.5100
136.7900
139.5600
1,235,500
Wed, 20 May 2026
138.6600
140.4400
136.7200
139.8200
1,053,100
Tue, 19 May 2026
140.6700
144.6700
138.3700
140.5000
1,545,200
Mon, 18 May 2026
136.3100
140.2300
134.7100
139.1100
1,959,600
Sun, 17 May 2026
Weekend
Sat, 16 May 2026
Weekend
Fri, 15 May 2026
136.9600
139.1500
135.9700
136.8700
2,467,100
Thu, 14 May 2026
142.3500
142.4600
132.3600
134.0300
2,265,200
Wed, 13 May 2026
143.0600
143.8900
139.0000
141.4300
1,196,800
Tue, 12 May 2026
20 · 8-K
After market open · 11:20 ET
8-K - JKHY - 2026.05.08 - SHARE REPURCHASE INCREASE ↗
Tue, 12 May 2026
145.7000
147.1000
144.2200
144.7300
1,279,200
Mon, 11 May 2026
144.8700
146.4600
142.9300
143.6500
1,306,100
Sun, 10 May 2026
Weekend
Sat, 09 May 2026
Weekend
Fri, 08 May 2026
144.8900
146.6600
142.6200
145.8400
1,171,600
Thu, 07 May 2026
19 · 10-Q
After-hours · 16:23 ET
10-Q - JKHY - 2026.03.31 - Q3 FY2026 ↗
Thu, 07 May 2026
142.3900
147.1800
142.3900
146.0300
1,203,000
Wed, 06 May 2026
148.8600
148.8600
141.8100
142.8800
1,932,600
Tue, 05 May 2026
18 · 8-K
After-hours · 16:21 ET
8-K - JKHY - 2026.03.31 - Q3 FY26 PRESS RELEASE ↗
Tue, 05 May 2026
150.9200
151.4700
147.9000
149.3400
1,092,300
Mon, 04 May 2026
152.9500
155.4400
152.0600
152.5200
1,101,500
Sun, 03 May 2026
Weekend
Sat, 02 May 2026
Weekend
Fri, 01 May 2026
155.0600
156.0900
152.9500
154.0300
832,200
Thu, 30 Apr 2026
152.0400
154.2200
151.6900
153.7500
950,400
Wed, 29 Apr 2026
153.3600
154.3200
152.5500
153.7500
734,300
Tue, 28 Apr 2026
17 · 8-K
After-hours · 17:22 ET
8-K - JKHY - 2026.04.28 - Q3 FY26 DECONVERSION REVENUE ↗
Tue, 28 Apr 2026
153.2400
154.1200
151.8300
152.8000
621,900
Mon, 27 Apr 2026
150.7500
153.1500
150.5100
151.0100
774,200
Sun, 26 Apr 2026
Weekend
Sat, 25 Apr 2026
Weekend
Fri, 24 Apr 2026
149.7300
151.2700
148.3600
151.1500
685,300
Thu, 23 Apr 2026
154.6800
155.3000
147.3500
150.6000
860,300
Wed, 22 Apr 2026
155.4700
156.2300
153.2600
155.8800
897,200
Tue, 21 Apr 2026
153.7700
157.3100
152.7300
155.5000
1,112,200
Mon, 20 Apr 2026
153.8900
155.5600
153.4500
153.8700
578,700
Sun, 19 Apr 2026
Weekend
Sat, 18 Apr 2026
Weekend
Fri, 17 Apr 2026
154.3400
154.7900
152.7400
154.0600
877,600
Thu, 16 Apr 2026
153.9000
155.5400
153.2300
154.1500
673,600
Wed, 15 Apr 2026
151.8300
154.0600
151.2100
153.4000
904,500
Tue, 14 Apr 2026
151.5900
153.2400
151.1100
151.4200
933,400
Mon, 13 Apr 2026
147.4900
151.4300
146.9300
151.4000
1,149,100
Sun, 12 Apr 2026
Weekend
Sat, 11 Apr 2026
Weekend
Fri, 10 Apr 2026
151.7300
152.3900
146.9200
147.2000
1,203,300
Thu, 09 Apr 2026
157.7500
157.7500
152.2300
153.3800
793,200
Wed, 08 Apr 2026
158.0600
160.1700
157.7200
157.9800
647,700
Tue, 07 Apr 2026
157.5700
161.1800
156.9800
158.3200
770,700
Mon, 06 Apr 2026
158.0000
159.6900
156.7900
158.1000
635,100
Sun, 05 Apr 2026
Weekend
Sat, 04 Apr 2026
Weekend
Fri, 03 Apr 2026
No trading
Thu, 02 Apr 2026
155.2800
160.2900
154.2600
157.4800
1,007,400
Wed, 01 Apr 2026
158.1500
158.1500
154.2800
155.6300
997,900
Tue, 31 Mar 2026
158.8100
159.0400
155.5600
158.0400
817,300
Mon, 30 Mar 2026
155.2700
157.0700
153.9900
156.4300
757,400
Sun, 29 Mar 2026
Weekend
Sat, 28 Mar 2026
Weekend
Fri, 27 Mar 2026
156.7800
158.0800
152.2800
153.3100
1,073,900
Thu, 26 Mar 2026
16 · 8-K
After market open · 15:12 ET
8-K - JKHY - 2026.03.25 - 2026 CREDIT AGREEMENT ↗
Thu, 26 Mar 2026
157.1900
160.0900
156.3700
157.2000
949,800
Wed, 25 Mar 2026
159.5400
161.4000
153.5800
157.4000
784,000
Tue, 24 Mar 2026
162.6700
162.6700
158.6100
158.8700
819,300
Mon, 23 Mar 2026
165.6200
166.5300
162.9500
163.3000
674,400
Sun, 22 Mar 2026
Weekend
Sat, 21 Mar 2026
Weekend
Fri, 20 Mar 2026
163.6200
166.3100
163.2900
165.3800
2,400,900
Thu, 19 Mar 2026
165.0900
168.0000
163.6700
164.4300
842,500
Wed, 18 Mar 2026
165.2000
166.8300
164.9900
165.1500
557,800
Tue, 17 Mar 2026
167.6200
170.7100
166.7300
166.7700
737,300
Mon, 16 Mar 2026
168.7200
168.9600
165.0400
167.3500
816,500
Sun, 15 Mar 2026
Weekend
Sat, 14 Mar 2026
Weekend
Fri, 13 Mar 2026
167.7600
169.5600
165.8400
168.7700
945,700
Thu, 12 Mar 2026
166.2400
170.5700
165.3000
166.3400
1,016,600
Wed, 11 Mar 2026
170.7300
170.7300
165.0700
167.0100
792,800
Tue, 10 Mar 2026
171.4200
172.8000
167.3400
171.0200
1,336,800
Mon, 09 Mar 2026
170.9000
172.8400
167.9900
171.5900
1,133,100
Sun, 08 Mar 2026
Weekend
Sat, 07 Mar 2026
Weekend
Fri, 06 Mar 2026
165.8900
171.9400
164.4700
171.8300
1,053,600
Thu, 05 Mar 2026
166.3100
169.0300
166.3100
167.0500
1,050,500
Wed, 04 Mar 2026
168.1700
168.8900
166.3300
168.4300
872,100
Tue, 03 Mar 2026
162.1600
169.3800
161.8300
168.7500
1,205,400
Mon, 02 Mar 2026
160.5100
165.7700
158.8800
164.2000
770,300
Sun, 01 Mar 2026
Weekend
Sat, 28 Feb 2026
Weekend
Fri, 27 Feb 2026
159.4400
163.0200
158.0000
162.4600
1,118,300
Thu, 26 Feb 2026
157.5700
162.1400
157.3900
161.0800
1,134,700
Wed, 25 Feb 2026
156.0300
156.6700
154.7600
156.5400
1,036,500
Tue, 24 Feb 2026
155.0000
158.5800
154.8600
156.1800
1,085,100
Mon, 23 Feb 2026
158.0700
159.6400
154.8200
155.6800
1,611,500
Sun, 22 Feb 2026
Weekend
Sat, 21 Feb 2026
Weekend
Fri, 20 Feb 2026
161.7400
161.7400
158.2900
159.1900
878,800
Thu, 19 Feb 2026
158.0700
161.4300
157.4800
161.1400
940,200
Wed, 18 Feb 2026
159.0000
160.2900
157.3100
158.7600
1,086,700
Tue, 17 Feb 2026
160.8400
161.6900
158.0500
158.5900
1,467,000
Mon, 16 Feb 2026
No trading
Sun, 15 Feb 2026
Weekend
Sat, 14 Feb 2026
Weekend
Fri, 13 Feb 2026
158.1600
159.3600
156.4100
156.6900
1,121,100
Thu, 12 Feb 2026
166.8500
167.9200
154.1800
157.4700
2,566,400
Wed, 11 Feb 2026
169.5500
169.5600
165.2000
165.6500
1,083,200
Tue, 10 Feb 2026
171.1300
172.9800
169.6300
170.6200
1,573,700
Mon, 09 Feb 2026
173.8300
176.8600
170.1200
171.5600
1,511,800
Sun, 08 Feb 2026
Weekend
Sat, 07 Feb 2026
Weekend
Fri, 06 Feb 2026
15 · 10-Q
After market open · 13:15 ET
10-Q - JKHY - 2025.12.31 - Q2 FY2026 ↗
Fri, 06 Feb 2026
176.6600
177.6900
170.5500
173.3600
1,176,400
Thu, 05 Feb 2026
176.4400
183.7900
175.9600
176.9600
1,338,900
Wed, 04 Feb 2026
170.7600
175.4800
167.9200
173.7800
1,774,900
Tue, 03 Feb 2026
14 · 8-K
After-hours · 16:25 ET
8-K - JKHY - 2025.12.31 - Q2 FY26 PRESS RELEASE ↗
Tue, 03 Feb 2026
176.5500
177.3300
165.3900
166.1600
1,756,500
Mon, 02 Feb 2026
179.2900
182.3700
178.4200
179.1800
1,011,000
Sun, 01 Feb 2026
Weekend
Sat, 31 Jan 2026
Weekend
Fri, 30 Jan 2026
178.2100
179.8500
176.6800
179.2100
920,300
Thu, 29 Jan 2026
179.8100
181.0600
177.0000
177.9400
914,700
Wed, 28 Jan 2026
179.7700
185.0200
178.6700
179.8100
1,191,900
Tue, 27 Jan 2026
13 · 8-K
After-hours · 17:00 ET
8-K - JKHY - 2026.01.27 - Q2 FY26 DECONVERSION REVENUE ↗
Tue, 27 Jan 2026
182.2300
183.1100
178.0000
178.9600
905,100
Mon, 26 Jan 2026
186.0700
186.7400
179.4500
182.9400
666,600
Sun, 25 Jan 2026
Weekend
Sat, 24 Jan 2026
Weekend
Fri, 23 Jan 2026
188.6200
189.4600
183.7100
185.1100
681,200
Thu, 22 Jan 2026
187.9200
190.1700
186.8600
188.7000
477,700
Wed, 21 Jan 2026
187.1400
189.5300
186.0200
187.8200
693,300
Tue, 20 Jan 2026
189.5700
190.0100
186.6800
186.8500
839,300
Mon, 19 Jan 2026
No trading
Sun, 18 Jan 2026
Weekend
Sat, 17 Jan 2026
Weekend
Fri, 16 Jan 2026
190.5000
191.0200
188.2000
190.3200
539,000
Thu, 15 Jan 2026
192.7900
193.3900
190.4400
191.2500
456,100
Wed, 14 Jan 2026
188.3200
192.9100
187.8600
192.6000
711,000
Tue, 13 Jan 2026
190.3900
190.5100
187.7500
188.4500
664,900
Mon, 12 Jan 2026
188.8900
190.4200
188.1700
190.2700
398,500
Sun, 11 Jan 2026
Weekend
Sat, 10 Jan 2026
Weekend
Fri, 09 Jan 2026
187.7500
190.2700
187.2600
189.1600
468,300
Thu, 08 Jan 2026
186.0000
190.1200
186.0000
187.7500
716,300
Wed, 07 Jan 2026
186.0700
187.2000
184.8700
185.9700
503,500
Tue, 06 Jan 2026
181.4600
186.6800
181.2300
185.5600
613,300
Mon, 05 Jan 2026
178.0000
182.4900
176.4800
181.4600
602,500
Sun, 04 Jan 2026
Weekend
Sat, 03 Jan 2026
Weekend
Fri, 02 Jan 2026
181.9200
181.9200
177.3600
178.3500
937,500
Thu, 01 Jan 2026
No trading
Wed, 31 Dec 2025
183.8600
184.9700
182.3800
182.4800
453,000
Tue, 30 Dec 2025
186.0600
186.9000
184.5100
184.5500
346,900
Mon, 29 Dec 2025
186.1300
186.8500
185.4300
186.4200
453,800
Sun, 28 Dec 2025
Weekend
Sat, 27 Dec 2025
Weekend
Fri, 26 Dec 2025
184.7400
186.3800
184.6500
186.1300
330,600
Thu, 25 Dec 2025
No trading
Wed, 24 Dec 2025
184.9600
185.7400
184.6900
185.1800
238,800
Tue, 23 Dec 2025
184.6000
185.5700
183.0000
185.3100
449,500
Mon, 22 Dec 2025
184.4000
186.5000
183.2600
185.3300
668,600
Sun, 21 Dec 2025
Weekend
Sat, 20 Dec 2025
Weekend
Fri, 19 Dec 2025
183.3800
185.0100
182.0000
184.5000
2,207,100
Thu, 18 Dec 2025
188.0100
188.4000
183.4600
184.3800
1,090,200
Wed, 17 Dec 2025
186.8700
189.7700
186.8700
188.0900
676,800
Tue, 16 Dec 2025
188.6400
189.4600
186.5900
186.9100
783,600
Mon, 15 Dec 2025
188.0900
189.9500
185.6400
187.6500
864,400
Sun, 14 Dec 2025
Weekend
Sat, 13 Dec 2025
Weekend
Fri, 12 Dec 2025
187.3300
189.3500
186.7900
187.5000
659,300
Thu, 11 Dec 2025
184.5600
189.6700
182.5900
187.1800
817,200
Wed, 10 Dec 2025
179.9800
185.8400
179.9700
184.9200
914,200
Tue, 09 Dec 2025
180.6100
182.1300
180.0300
180.1700
643,100
Mon, 08 Dec 2025
182.6800
185.8600
179.4700
180.9900
1,155,600
Sun, 07 Dec 2025
Weekend
Sat, 06 Dec 2025
Weekend
Fri, 05 Dec 2025
179.9800
182.0000
178.4100
181.7100
813,900
Thu, 04 Dec 2025
176.7200
181.2500
175.6700
180.3400
1,082,400
Wed, 03 Dec 2025
172.6900
176.8500
171.9100
176.1300
979,500
Tue, 02 Dec 2025
173.1400
173.8700
171.8600
172.6800
959,900
Mon, 01 Dec 2025
173.5300
175.9000
172.9900
174.2000
773,600
Sun, 30 Nov 2025
Weekend
Sat, 29 Nov 2025
Weekend
Fri, 28 Nov 2025
174.4200
175.0000
173.8500
174.4800
404,200
Thu, 27 Nov 2025
No trading
Wed, 26 Nov 2025
173.6300
174.5500
173.0900
173.9200
540,300
Tue, 25 Nov 2025
171.3100
173.8400
171.1900
173.6200
578,000
Mon, 24 Nov 2025
170.7200
171.4500
169.4200
170.5800
1,001,300
Sun, 23 Nov 2025
Weekend
Sat, 22 Nov 2025
Weekend
Fri, 21 Nov 2025
167.6900
172.6800
167.6600
170.8000
758,400
Thu, 20 Nov 2025
167.8200
171.9400
167.2600
167.7700
1,031,800
Wed, 19 Nov 2025
164.6200
166.4000
163.4100
165.8000
913,200
Tue, 18 Nov 2025
163.1500
164.7800
162.4000
163.9400
937,900
Mon, 17 Nov 2025
164.0400
164.8000
162.8400
163.6400
626,100
Sun, 16 Nov 2025
Weekend
Sat, 15 Nov 2025
Weekend
Fri, 14 Nov 2025
12 · 8-K
After-hours · 16:27 ET
8-K - JKHY - 11.14.2025 - ANNOUNCING 2025 VOTING RESULTS ↗
Fri, 14 Nov 2025
165.4100
165.7800
162.9400
164.0200
752,300
Thu, 13 Nov 2025
166.4200
168.4300
165.0300
165.2700
814,400
Wed, 12 Nov 2025
166.0000
167.4800
164.4400
167.1700
896,400
Tue, 11 Nov 2025
162.5000
165.8900
162.5000
165.7300
759,500
Mon, 10 Nov 2025
160.7400
162.9700
159.7800
162.6100
850,700
Sun, 09 Nov 2025
Weekend
Sat, 08 Nov 2025
Weekend
Fri, 07 Nov 2025
11 · 10-Q
After-hours · 16:53 ET
10-Q - JKHY - 2025.09.30 - Q1 FY2026 ↗
Fri, 07 Nov 2025
162.7900
163.7600
159.8100
160.8000
1,045,500
Thu, 06 Nov 2025
162.3700
164.8300
161.0300
163.0800
1,330,800
Wed, 05 Nov 2025
156.7100
160.4900
153.6700
159.8300
1,595,700
Tue, 04 Nov 2025
10 · 8-K
After-hours · 16:18 ET
8-K - JKHY - 09.30.2025 - Q1 FY26 PRESS RELEASE ↗
Tue, 04 Nov 2025
151.5600
152.8300
150.2900
152.4200
1,175,000
Mon, 03 Nov 2025
148.2000
151.1000
146.4900
150.6300
1,158,600
Sun, 02 Nov 2025
Weekend
Sat, 01 Nov 2025
Weekend
Fri, 31 Oct 2025
148.8900
151.0100
148.5900
148.9400
1,303,300
Thu, 30 Oct 2025
149.8900
151.9600
149.5400
149.8800
952,000
Wed, 29 Oct 2025
153.3100
154.4000
147.0200
149.8900
1,833,000
Tue, 28 Oct 2025
9 · 8-K
After-hours · 16:41 ET
8-K - JKHY - 2025.10.28 - Q1 FY26 DECONVERSION REVENUE ↗
Tue, 28 Oct 2025
156.1100
156.3900
154.1500
154.3000
762,400
Mon, 27 Oct 2025
155.2500
156.8500
153.9100
156.3000
776,900
Sun, 26 Oct 2025
Weekend
Sat, 25 Oct 2025
Weekend
Fri, 24 Oct 2025
156.7800
156.8300
154.9300
155.8300
601,000
Thu, 23 Oct 2025
156.8500
157.1200
155.0700
155.7200
829,300
Wed, 22 Oct 2025
156.3800
158.9900
155.8800
157.0000
1,019,700
Tue, 21 Oct 2025
8 · DEFA14A
After market open · 10:21 ET
DEFA14A ↗
Tue, 21 Oct 2025
154.1400
157.7500
154.1400
156.9200
775,300
Mon, 20 Oct 2025
153.8900
155.3400
152.5400
155.0700
592,900
Sun, 19 Oct 2025
Weekend
Sat, 18 Oct 2025
Weekend
Fri, 17 Oct 2025
153.4400
154.0200
151.8200
152.9300
1,239,600
Thu, 16 Oct 2025
154.1800
155.9600
152.8500
152.9400
1,412,000
Wed, 15 Oct 2025
153.9000
155.4200
153.3900
154.4600
1,044,600
Tue, 14 Oct 2025
151.9900
155.0800
151.5400
154.1200
1,055,600
Mon, 13 Oct 2025
151.3900
153.0700
150.0900
152.1900
1,188,100
Sun, 12 Oct 2025
Weekend
Sat, 11 Oct 2025
Weekend
Fri, 10 Oct 2025
149.8700
152.4000
149.4300
151.5400
1,721,400
Thu, 09 Oct 2025
149.7000
149.7000
147.9800
149.3200
718,000
Wed, 08 Oct 2025
149.5500
150.8400
148.2200
149.4300
1,005,600
Tue, 07 Oct 2025
147.6900
149.7400
147.6900
149.6400
907,400
Mon, 06 Oct 2025
146.9900
148.9400
145.3800
147.6900
1,482,300
Sun, 05 Oct 2025
Weekend
Sat, 04 Oct 2025
Weekend
Fri, 03 Oct 2025
145.6800
147.6100
145.3200
146.2600
1,869,800
Thu, 02 Oct 2025
7 · DEFA14A
After-hours · 16:33 ET
DEFA14A - PROXY NOTICE FY2025 ↗
Thu, 02 Oct 2025
6 · DEF 14A
After-hours · 16:30 ET
JKHY - DEF 14A - JKHY PROXY STATEMENT FY2025 ↗
Thu, 02 Oct 2025
145.8200
147.0000
144.1200
146.3100
1,576,700
Wed, 01 Oct 2025
148.4400
148.9100
145.6400
146.2900
1,712,700
Tue, 30 Sep 2025
150.4100
150.5800
147.5900
148.9300
947,200
Mon, 29 Sep 2025
150.0300
151.8100
148.5000
151.1700
988,600
Sun, 28 Sep 2025
Weekend
Sat, 27 Sep 2025
Weekend
Fri, 26 Sep 2025
148.8400
150.0700
148.3300
149.3800
1,246,100
Thu, 25 Sep 2025
151.5000
152.1700
148.3000
148.4500
1,225,400
Wed, 24 Sep 2025
150.1500
151.8300
150.1500
151.5000
884,200
Tue, 23 Sep 2025
151.4500
151.9000
149.3900
150.0200
642,800
Mon, 22 Sep 2025
5 · PRE 14A
After market open · 14:11 ET
JKHY - PRE 14A - JKHY PRELIMINARY PROXY STATEMENT FY2025 ↗
Mon, 22 Sep 2025
152.0600
152.8300
150.6300
151.4500
922,000
Sun, 21 Sep 2025
Weekend
Sat, 20 Sep 2025
Weekend
Fri, 19 Sep 2025
155.0500
155.2400
151.6900
151.9700
3,452,800
Thu, 18 Sep 2025
159.4800
160.2200
154.3900
154.4700
1,175,800
Wed, 17 Sep 2025
160.0000
161.9200
159.4600
159.7800
696,200
Tue, 16 Sep 2025
158.0800
159.2500
157.3600
159.0700
695,400
Mon, 15 Sep 2025
160.1200
160.7800
157.7100
158.4300
797,100
Sun, 14 Sep 2025
Weekend
Sat, 13 Sep 2025
Weekend
Fri, 12 Sep 2025
160.3000
161.2900
159.8700
160.1200
693,400
Thu, 11 Sep 2025
159.2300
161.4800
158.9100
161.4200
781,200
Wed, 10 Sep 2025
162.1000
162.3100
158.7600
159.1000
892,200
Tue, 09 Sep 2025
162.2800
163.6500
161.7300
162.7500
652,300
Mon, 08 Sep 2025
162.9900
162.9900
160.4300
162.5300
608,900
Sun, 07 Sep 2025
Weekend
Sat, 06 Sep 2025
Weekend
Fri, 05 Sep 2025
161.2900
163.1800
160.4500
162.2400
595,400
Thu, 04 Sep 2025
161.6000
162.0900
159.8800
161.8700
660,000
Wed, 03 Sep 2025
160.3100
161.6900
159.1800
161.5900
652,900
Tue, 02 Sep 2025
162.2600
163.0500
160.0000
160.7700
869,600
Mon, 01 Sep 2025
No trading
Sun, 31 Aug 2025
Weekend
Sat, 30 Aug 2025
Weekend
Fri, 29 Aug 2025
163.5300
164.9900
162.7000
163.2600
692,800
Thu, 28 Aug 2025
162.4900
163.0300
161.8600
162.8200
586,300
Wed, 27 Aug 2025
4 · 8-K
After-hours · 16:29 ET
8-K - JKHY - 2025.08.22 - ANNOUNCING ADELSON APPOINTED TO BOARD OF DIRECTORS ↗
Wed, 27 Aug 2025
162.2000
163.1500
162.0900
162.7400
584,600
Tue, 26 Aug 2025
161.5100
162.1600
160.3000
162.0800
725,500
Mon, 25 Aug 2025
3 · 10-K
After market open · 12:00 ET
10-K - JKHY - 2025.06.30 FY2025 ↗
Mon, 25 Aug 2025
164.9900
165.4000
161.1600
161.6800
771,100
Sun, 24 Aug 2025
Weekend
Sat, 23 Aug 2025
Weekend
Fri, 22 Aug 2025
164.6400
166.4100
163.7300
165.5600
768,900
Thu, 21 Aug 2025
163.3400
164.2100
161.8300
163.2600
1,020,100
Wed, 20 Aug 2025
159.0000
166.1400
158.5300
163.8000
1,769,700
Tue, 19 Aug 2025
2 · 8-K
After-hours · 16:23 ET
8-K - JKHY - 06.30.2025 - Q4 FY25 PRESS RELEASE ↗
Tue, 19 Aug 2025
160.9200
161.1100
158.8200
160.6300
950,500
Mon, 18 Aug 2025
160.8300
161.8300
160.6300
160.8300
744,000
Sun, 17 Aug 2025
Weekend
Sat, 16 Aug 2025
Weekend
Fri, 15 Aug 2025
159.2200
161.2100
159.0500
160.3900
814,400
Thu, 14 Aug 2025
162.8000
163.1000
159.0400
159.2500
1,066,900
Wed, 13 Aug 2025
160.0000
163.7200
158.4900
163.3700
901,000
Tue, 12 Aug 2025
159.2400
162.2500
158.8200
159.7900
1,279,400
Mon, 11 Aug 2025
1 · 8-K
After-hours · 16:53 ET
8-K - JKHY - 08.11.2025 - Q4 FY25 DECONVERSION REVENUE ↗
Mon, 11 Aug 2025
161.2300
161.9000
157.8000
158.5200
1,114,500
Sun, 10 Aug 2025
Weekend
Sat, 09 Aug 2025
Weekend
Fri, 08 Aug 2025
164.7300
165.2000
161.0100
161.5600
885,100
Thu, 07 Aug 2025
167.3500
167.7000
163.7700
164.0900
671,200
Wed, 06 Aug 2025
166.0100
168.2200
164.6800
166.7600
480,900
Tue, 05 Aug 2025
170.2900
171.5800
165.8400
166.0100
660,300
Mon, 04 Aug 2025
167.5100
170.6300
167.5100
170.4800
837,800
Sun, 03 Aug 2025
Weekend
Sat, 02 Aug 2025
Weekend
Fri, 01 Aug 2025
170.2800
170.9700
166.6700
167.2800
627,100
Thu, 31 Jul 2025
172.0000
173.6400
169.5200
169.8200
665,200
Wed, 30 Jul 2025
175.7500
176.5300
172.9800
173.3500
447,900
Tue, 29 Jul 2025
175.5800
176.6500
174.6600
175.4400
276,600
Mon, 28 Jul 2025
175.8800
176.5600
175.1400
175.3800
432,100
Sun, 27 Jul 2025
Weekend
Sat, 26 Jul 2025
Weekend