Computer peripheral equipment

Fortinet Inc. vs Logitech International S.A.

WatchlistFTNT / LOGIPrices through Oct 22, 2026

Why these are rivals: #2 and #3 by market value ($126B vs $15B) in Nasdaq's "Computer peripheral equipment" industry; SEC SIC 3577 / 3577 (same major group); #2 and #3 by market value ($126B vs $15B) with SEC SIC 3577 (Computer Peripheral Equipment, NEC).

Rivals, but right now the price gap does not have a measured habit of closing, so there is no paper idea, whatever the gap.

Co-movement: daily return correlation, 252 sessions: 0.24 (needs >= 0.60)
Mean reversion: ADF t-statistic of the spread: -0.64 (needs <= -2.873 (5% critical value))
Speed: half-life of the spread, sessions: 170.92 (needs <= 63)

Business leadership

FTNT is the larger business

Annual revenue reported to the SEC. Scale, not market share.

Year	FTNT	LOGI	Larger
2025	$6.8B	$4.8B	FTNT
2024	$6.0B	$4.6B	FTNT
2023	$5.3B	$4.3B	FTNT
2022	$4.4B	$4.5B	LOGI
2021	$3.3B	$5.5B	LOGI
2020	$2.6B	$5.3B	LOGI

Revenue lead switched: 2023 to FTNT. Market value: FTNT $125.8B, LOGI $15.4B.

Stock leadership

FTNT is ahead now

Measured against the pair's own last 252 trading days.

FTNT leads LOGI by 1.07 standard deviations: +42.2% over its usual price ratio. 1 lead switch in the last year.

Price change	3 mo	6 mo	12 mo
FTNT	+13.5%	+109.0%	+104.0%
LOGI	+6.4%	+18.4%	+1.9%

Relationship

Not a measured twin today

Only these tests can make a pair tradable on paper.

Pass: Aligned sessions: 2521 (needs >= 254)
Fail: Co-movement: daily return correlation, 252 sessions: 0.24 (needs >= 0.60)
Fail: Mean reversion: ADF t-statistic of the spread: -0.64 (needs <= -2.873 (5% critical value))
Fail: Speed: half-life of the spread, sessions: 170.92 (needs <= 63)
Data: Both stocks current

The twins over two years

Prices side by side, and the gap between them

FTNT Fortinet Inc. LOGI Logitech International S.A.Price index, 100 = 2024-10-18. Tint = which stock is ahead of the pair's usual 1-year relationship (z beyond +/-0.5).

Spread z-score: FTNT relative to LOGI, against the 252 sessions before each day. Above 0: FTNT ahead; below 0: LOGI ahead. Lines at +/-2 (idea) and +/-4 (stop).

Data table (504 sessions)

Date	FTNT index	LOGI index	z	Ahead
2026-10-22	213.37	126.95	+1.07	FTNT ahead
2026-10-21	214.69	124.50	+1.16	FTNT ahead
2026-10-20	210.84	123.30	+1.14	FTNT ahead
2026-10-19	211.55	121.12	+1.22	FTNT ahead
2026-10-16	208.62	117.80	+1.27	FTNT ahead
2026-10-15	224.39	118.65	+1.49	FTNT ahead
2026-10-14	227.03	114.14	+1.66	FTNT ahead
2026-10-13	235.30	115.95	+1.74	FTNT ahead
2026-10-12	237.99	110.94	+1.93	FTNT ahead
2026-10-09	240.22	110.88	+1.99	FTNT ahead
2026-10-08	233.26	114.52	+1.81	FTNT ahead
2026-10-07	233.48	115.29	+1.81	FTNT ahead
2026-10-06	235.93	115.55	+1.86	FTNT ahead
2026-10-05	227.12	114.39	+1.79	FTNT ahead
2026-10-02	223.20	117.70	+1.66	FTNT ahead
2026-10-01	220.45	116.57	+1.67	FTNT ahead
2026-09-30	220.50	113.95	+1.76	FTNT ahead
2026-09-29	217.05	113.58	+1.74	FTNT ahead
2026-09-28	217.50	113.20	+1.77	FTNT ahead
2026-09-25	213.96	114.06	+1.71	FTNT ahead
2026-09-24	220.39	112.33	+1.88	FTNT ahead
2026-09-23	220.48	118.08	+1.73	FTNT ahead
2026-09-22	214.95	119.40	+1.63	FTNT ahead
2026-09-21	216.15	118.61	+1.69	FTNT ahead
2026-09-18	209.50	114.18	+1.73	FTNT ahead
2026-09-17	212.88	115.69	+1.75	FTNT ahead
2026-09-16	211.88	112.30	+1.86	FTNT ahead
2026-09-15	212.62	114.11	+1.83	FTNT ahead
2026-09-14	209.92	113.23	+1.84	FTNT ahead
2026-09-11	192.51	115.87	+1.48	FTNT ahead
2026-09-10	195.94	112.57	+1.65	FTNT ahead
2026-09-09	193.93	111.35	+1.67	FTNT ahead
2026-09-08	194.24	111.15	+1.70	FTNT ahead
2026-09-04	192.78	115.14	+1.57	FTNT ahead
2026-09-03	192.87	114.76	+1.60	FTNT ahead
2026-09-02	190.63	111.86	+1.66	FTNT ahead
2026-09-01	199.64	110.65	+1.88	FTNT ahead
2026-08-31	210.84	111.35	+2.07	FTNT ahead
2026-08-28	204.76	110.53	+2.02	FTNT ahead
2026-08-27	213.12	110.59	+2.19	FTNT ahead
2026-08-26	194.33	113.04	+1.80	FTNT ahead
2026-08-25	189.54	111.31	+1.79	FTNT ahead
2026-08-24	187.48	109.68	+1.82	FTNT ahead
2026-08-21	189.35	108.35	+1.93	FTNT ahead
2026-08-20	186.00	107.57	+1.91	FTNT ahead
2026-08-19	188.54	113.36	+1.79	FTNT ahead
2026-08-18	194.91	110.92	+2.01	FTNT ahead
2026-08-17	192.24	114.09	+1.88	FTNT ahead
2026-08-14	197.37	116.32	+1.93	FTNT ahead
2026-08-13	204.07	117.94	+2.03	FTNT ahead
2026-08-12	198.40	116.53	+1.99	FTNT ahead
2026-08-11	199.69	116.96	+2.03	FTNT ahead
2026-08-10	202.55	118.32	+2.06	FTNT ahead
2026-08-07	196.92	119.97	+1.92	FTNT ahead
2026-08-06	197.50	116.18	+2.08	FTNT ahead
2026-08-05	202.45	119.26	+2.10	FTNT ahead
2026-08-04	207.59	122.93	+2.10	FTNT ahead
2026-08-03	201.32	118.59	+2.14	FTNT ahead
2026-07-31	199.77	115.63	+2.24	FTNT ahead
2026-07-30	190.27	114.60	+2.09	FTNT ahead
2026-07-29	189.00	116.20	+2.03	FTNT ahead
2026-07-28	185.00	125.98	+1.62	FTNT ahead
2026-07-27	187.96	121.65	+1.84	FTNT ahead
2026-07-24	187.95	119.35	+1.94	FTNT ahead
2026-07-23	186.92	116.10	+2.05	FTNT ahead
2026-07-22	191.25	117.82	+2.10	FTNT ahead
2026-07-21	195.02	116.11	+2.27	FTNT ahead
2026-07-20	197.80	114.84	+2.41	FTNT ahead
2026-07-17	199.35	116.02	+2.43	FTNT ahead
2026-07-16	198.32	113.16	+2.55	FTNT ahead
2026-07-15	202.92	112.73	+2.71	FTNT ahead
2026-07-14	205.79	113.49	+2.79	FTNT ahead
2026-07-13	198.13	115.33	+2.59	FTNT ahead
2026-07-10	194.29	115.03	+2.54	FTNT ahead
2026-07-09	201.96	114.71	+2.77	FTNT ahead
2026-07-08	193.30	110.41	+2.79	FTNT ahead
2026-07-07	195.72	109.57	+2.93	FTNT ahead
2026-07-06	200.26	109.93	+3.08	FTNT ahead
2026-07-02	192.73	106.06	+3.13	FTNT ahead
2026-07-01	196.10	106.78	+3.24	FTNT ahead
2026-06-30	189.49	106.10	+3.16	FTNT ahead
2026-06-29	191.71	111.28	+3.02	FTNT ahead
2026-06-26	186.69	109.86	+2.99	FTNT ahead
2026-06-25	184.94	113.79	+2.79	FTNT ahead
2026-06-24	179.20	115.50	+2.57	FTNT ahead
2026-06-23	182.56	117.78	+2.58	FTNT ahead
2026-06-22	179.34	120.53	+2.38	FTNT ahead
2026-06-18	178.52	121.45	+2.33	FTNT ahead
2026-06-17	177.80	119.53	+2.41	FTNT ahead
2026-06-16	181.35	123.24	+2.37	FTNT ahead
2026-06-15	184.40	125.13	+2.39	FTNT ahead
2026-06-12	180.46	125.03	+2.29	FTNT ahead
2026-06-11	178.93	123.99	+2.31	FTNT ahead
2026-06-10	171.31	123.13	+2.11	FTNT ahead
2026-06-09	170.70	127.54	+1.89	FTNT ahead
2026-06-08	176.44	127.93	+2.06	FTNT ahead
2026-06-05	178.46	127.42	+2.15	FTNT ahead
2026-06-04	184.62	133.92	+2.07	FTNT ahead
2026-06-03	180.68	134.35	+1.92	FTNT ahead
2026-06-02	183.62	142.94	+1.66	FTNT ahead
2026-06-01	181.50	142.92	+1.59	FTNT ahead
2026-05-29	170.19	137.50	+1.44	FTNT ahead
2026-05-28	159.99	126.10	+1.57	FTNT ahead
2026-05-27	157.80	124.01	+1.59	FTNT ahead
2026-05-26	165.24	125.65	+1.77	FTNT ahead
2026-05-22	165.20	127.08	+1.71	FTNT ahead
2026-05-21	159.69	119.37	+1.87	FTNT ahead
2026-05-20	160.36	117.09	+2.00	FTNT ahead
2026-05-19	157.44	116.96	+1.91	FTNT ahead
2026-05-18	156.04	118.71	+1.78	FTNT ahead
2026-05-15	151.45	116.20	+1.73	FTNT ahead
2026-05-14	150.31	113.90	+1.80	FTNT ahead
2026-05-13	145.17	117.33	+1.43	FTNT ahead
2026-05-12	140.46	116.85	+1.26	FTNT ahead
2026-05-11	142.40	120.60	+1.16	FTNT ahead
2026-05-08	140.71	123.42	+0.94	FTNT ahead
2026-05-07	133.18	116.45	+0.94	FTNT ahead
2026-05-06	110.95	116.69	-0.08	near the usual relationship
2026-05-05	110.92	118.94	-0.19	near the usual relationship
2026-05-04	110.08	114.52	-0.04	near the usual relationship
2026-05-01	106.44	112.25	-0.12	near the usual relationship
2026-04-30	104.00	112.02	-0.24	near the usual relationship
2026-04-29	106.22	110.23	-0.05	near the usual relationship
2026-04-28	105.74	109.04	-0.03	near the usual relationship
2026-04-27	105.67	107.35	+0.04	near the usual relationship
2026-04-24	104.03	107.63	-0.06	near the usual relationship
2026-04-23	102.08	107.19	-0.14	near the usual relationship
2026-04-22	107.43	110.58	-0.05	near the usual relationship
2026-04-21	105.17	110.76	-0.17	near the usual relationship
2026-04-20	101.89	112.84	-0.42	near the usual relationship
2026-04-17	100.95	114.06	-0.53	LOGI ahead
2026-04-16	101.64	111.75	-0.40	near the usual relationship
2026-04-15	98.24	110.24	-0.51	LOGI ahead
2026-04-14	97.08	108.27	-0.48	near the usual relationship
2026-04-13	97.13	106.54	-0.41	near the usual relationship
2026-04-10	94.61	102.97	-0.38	near the usual relationship
2026-04-09	99.49	102.74	-0.14	near the usual relationship
2026-04-08	103.01	106.95	-0.17	near the usual relationship
2026-04-07	103.27	104.72	-0.07	near the usual relationship
2026-04-06	101.50	104.34	-0.13	near the usual relationship
2026-04-02	101.80	103.78	-0.10	near the usual relationship
2026-04-01	100.10	103.49	-0.17	near the usual relationship
2026-03-31	100.80	102.81	-0.11	near the usual relationship
2026-03-30	97.51	101.56	-0.21	near the usual relationship
2026-03-27	96.46	101.59	-0.27	near the usual relationship
2026-03-26	99.95	104.46	-0.23	near the usual relationship
2026-03-25	97.31	105.96	-0.43	near the usual relationship
2026-03-24	97.87	103.61	-0.30	near the usual relationship
2026-03-23	102.10	102.56	-0.06	near the usual relationship
2026-03-20	100.41	99.20	+0.01	near the usual relationship
2026-03-19	102.53	103.49	-0.09	near the usual relationship
2026-03-18	102.86	101.70	+0.00	near the usual relationship
2026-03-17	102.58	104.47	-0.14	near the usual relationship
2026-03-16	104.22	106.83	-0.17	near the usual relationship
2026-03-13	102.92	104.65	-0.14	near the usual relationship
2026-03-12	104.11	104.85	-0.10	near the usual relationship
2026-03-11	102.97	104.15	-0.12	near the usual relationship
2026-03-10	103.86	102.61	-0.01	near the usual relationship
2026-03-09	103.38	104.25	-0.11	near the usual relationship
2026-03-06	103.21	104.01	-0.11	near the usual relationship
2026-03-05	104.13	101.53	+0.04	near the usual relationship
2026-03-04	102.12	103.81	-0.15	near the usual relationship
2026-03-03	100.04	103.35	-0.23	near the usual relationship
2026-03-02	97.67	102.78	-0.32	near the usual relationship
2026-02-27	97.48	103.75	-0.37	near the usual relationship
2026-02-26	97.69	104.60	-0.40	near the usual relationship
2026-02-25	95.41	101.65	-0.38	near the usual relationship
2026-02-24	92.80	103.08	-0.58	LOGI ahead
2026-02-23	93.25	100.85	-0.46	near the usual relationship
2026-02-20	98.68	101.59	-0.24	near the usual relationship
2026-02-19	100.74	100.83	-0.12	near the usual relationship
2026-02-18	99.53	100.35	-0.15	near the usual relationship
2026-02-17	100.76	101.48	-0.15	near the usual relationship
2026-02-13	105.54	100.88	+0.08	near the usual relationship
2026-02-12	103.93	98.18	+0.13	near the usual relationship
2026-02-11	108.33	105.29	+0.00	near the usual relationship
2026-02-10	105.50	104.25	-0.08	near the usual relationship
2026-02-09	105.99	103.46	-0.02	near the usual relationship
2026-02-06	102.08	103.18	-0.18	near the usual relationship
2026-02-05	97.36	100.32	-0.27	near the usual relationship
2026-02-04	100.06	103.01	-0.27	near the usual relationship
2026-02-03	97.82	98.76	-0.18	near the usual relationship
2026-02-02	100.27	98.92	-0.08	near the usual relationship
2026-01-30	100.23	96.85	+0.01	near the usual relationship
2026-01-29	100.54	99.83	-0.12	near the usual relationship
2026-01-28	101.25	97.75	+0.01	near the usual relationship
2026-01-27	100.79	105.77	-0.37	near the usual relationship
2026-01-26	102.47	106.24	-0.32	near the usual relationship
2026-01-23	100.70	105.43	-0.36	near the usual relationship
2026-01-22	95.74	103.59	-0.52	LOGI ahead
2026-01-21	93.44	103.67	-0.63	LOGI ahead
2026-01-20	93.08	102.89	-0.62	LOGI ahead
2026-01-16	92.98	107.73	-0.84	LOGI ahead
2026-01-15	94.14	108.99	-0.84	LOGI ahead
2026-01-14	94.23	109.15	-0.85	LOGI ahead
2026-01-13	96.62	109.21	-0.74	LOGI ahead
2026-01-12	97.03	110.06	-0.77	LOGI ahead
2026-01-09	97.72	107.30	-0.63	LOGI ahead
2026-01-08	96.27	108.74	-0.76	LOGI ahead
2026-01-07	98.70	112.49	-0.80	LOGI ahead
2026-01-06	96.76	110.78	-0.83	LOGI ahead
2026-01-05	96.14	112.28	-0.93	LOGI ahead
2026-01-02	96.07	113.14	-0.97	LOGI ahead
2025-12-31	97.95	113.08	-0.89	LOGI ahead
2025-12-30	99.06	115.63	-0.95	LOGI ahead
2025-12-29	99.69	116.10	-0.94	LOGI ahead
2025-12-26	100.60	118.76	-1.01	LOGI ahead
2025-12-24	100.14	118.44	-1.03	LOGI ahead
2025-12-23	99.49	117.52	-1.03	LOGI ahead
2025-12-22	100.83	116.65	-0.95	LOGI ahead
2025-12-19	98.98	117.66	-1.08	LOGI ahead
2025-12-18	98.37	117.52	-1.11	LOGI ahead
2025-12-17	97.92	120.21	-1.24	LOGI ahead
2025-12-16	101.73	126.68	-1.32	LOGI ahead
2025-12-15	100.56	126.29	-1.37	LOGI ahead
2025-12-12	101.42	127.24	-1.37	LOGI ahead
2025-12-11	101.73	135.88	-1.68	LOGI ahead
2025-12-10	100.65	136.13	-1.75	LOGI ahead
2025-12-09	103.00	134.07	-1.59	LOGI ahead
2025-12-08	103.03	134.40	-1.62	LOGI ahead
2025-12-05	107.22	132.90	-1.39	LOGI ahead
2025-12-04	105.07	134.40	-1.55	LOGI ahead
2025-12-03	102.08	133.27	-1.66	LOGI ahead
2025-12-02	102.31	132.09	-1.63	LOGI ahead
2025-12-01	100.93	127.41	-1.54	LOGI ahead
2025-11-28	100.07	127.19	-1.58	LOGI ahead
2025-11-26	99.36	124.74	-1.54	LOGI ahead
2025-11-25	99.75	126.84	-1.62	LOGI ahead
2025-11-24	98.40	126.48	-1.69	LOGI ahead
2025-11-21	97.27	124.02	-1.66	LOGI ahead
2025-11-20	96.26	120.32	-1.58	LOGI ahead
2025-11-19	98.35	120.60	-1.51	LOGI ahead
2025-11-18	98.87	126.07	-1.71	LOGI ahead
2025-11-17	101.07	127.80	-1.69	LOGI ahead
2025-11-14	101.53	133.16	-1.89	LOGI ahead
2025-11-13	99.95	133.80	-2.01	LOGI ahead
2025-11-12	101.32	136.67	-2.08	LOGI ahead
2025-11-11	103.19	135.36	-1.96	LOGI ahead
2025-11-10	101.49	137.68	-2.16	LOGI ahead
2025-11-07	100.89	135.85	-2.14	LOGI ahead
2025-11-06	99.35	134.80	-2.21	LOGI ahead
2025-11-05	106.07	134.10	-1.86	LOGI ahead
2025-11-04	105.12	132.44	-1.86	LOGI ahead
2025-11-03	107.96	138.77	-1.99	LOGI ahead
2025-10-31	106.61	136.03	-1.97	LOGI ahead
2025-10-30	103.86	136.17	-2.14	LOGI ahead
2025-10-29	103.89	130.70	-1.94	LOGI ahead
2025-10-28	105.92	128.32	-1.75	LOGI ahead
2025-10-27	105.21	128.39	-1.81	LOGI ahead
2025-10-24	105.54	125.65	-1.69	LOGI ahead
2025-10-23	104.76	126.03	-1.76	LOGI ahead
2025-10-22	104.43	123.60	-1.68	LOGI ahead
2025-10-21	104.58	124.62	-1.73	LOGI ahead
2025-10-20	104.67	124.26	-1.72	LOGI ahead
2025-10-17	102.92	123.71	-1.80	LOGI ahead
2025-10-16	102.55	122.54	-1.79	LOGI ahead
2025-10-15	103.10	122.45	-1.77	LOGI ahead
2025-10-14	102.48	118.40	-1.62	LOGI ahead
2025-10-13	103.86	117.65	-1.52	LOGI ahead
2025-10-10	102.43	114.76	-1.46	LOGI ahead
2025-10-09	106.32	123.31	-1.67	LOGI ahead
2025-10-08	106.65	126.76	-1.83	LOGI ahead
2025-10-07	104.75	127.12	-1.96	LOGI ahead
2025-10-06	106.55	128.86	-1.96	LOGI ahead
2025-10-03	105.82	127.46	-1.95	LOGI ahead
2025-10-02	106.44	127.10	-1.91	LOGI ahead
2025-10-01	105.07	123.92	-1.84	LOGI ahead
2025-09-30	103.71	123.75	-1.93	LOGI ahead
2025-09-29	104.42	121.76	-1.80	LOGI ahead
2025-09-26	104.01	122.17	-1.86	LOGI ahead
2025-09-25	102.64	122.43	-1.96	LOGI ahead
2025-09-24	103.12	122.75	-1.96	LOGI ahead
2025-09-23	105.18	125.63	-2.00	LOGI ahead
2025-09-22	104.86	127.59	-2.13	LOGI ahead
2025-09-19	103.87	126.06	-2.13	LOGI ahead
2025-09-18	99.90	125.61	-2.37	LOGI ahead
2025-09-17	99.04	126.18	-2.48	LOGI ahead
2025-09-16	98.41	126.73	-2.58	LOGI ahead
2025-09-15	99.91	123.96	-2.37	LOGI ahead
2025-09-12	98.29	122.25	-2.41	LOGI ahead
2025-09-11	99.78	122.59	-2.35	LOGI ahead
2025-09-10	98.04	122.19	-2.48	LOGI ahead
2025-09-09	98.48	121.62	-2.44	LOGI ahead
2025-09-08	99.12	122.70	-2.48	LOGI ahead
2025-09-05	97.24	121.01	-2.55	LOGI ahead
2025-09-04	94.29	120.19	-2.74	LOGI ahead
2025-09-03	94.46	117.83	-2.62	LOGI ahead
2025-09-02	94.89	116.32	-2.52	LOGI ahead
2025-08-29	97.16	116.82	-2.40	LOGI ahead
2025-08-28	97.80	117.33	-2.40	LOGI ahead
2025-08-27	96.37	116.29	-2.45	LOGI ahead
2025-08-26	95.78	115.60	-2.46	LOGI ahead
2025-08-25	95.77	114.71	-2.42	LOGI ahead
2025-08-22	98.70	116.32	-2.32	LOGI ahead
2025-08-21	95.90	112.46	-2.29	LOGI ahead
2025-08-20	98.20	112.38	-2.12	LOGI ahead
2025-08-19	96.32	112.30	-2.26	LOGI ahead
2025-08-18	99.62	111.09	-1.94	LOGI ahead
2025-08-15	97.58	110.30	-2.04	LOGI ahead
2025-08-14	95.29	110.97	-2.26	LOGI ahead
2025-08-13	97.85	111.71	-2.12	LOGI ahead
2025-08-12	96.79	111.71	-2.20	LOGI ahead
2025-08-11	91.98	108.80	-2.39	LOGI ahead
2025-08-08	91.76	110.88	-2.51	LOGI ahead
2025-08-07	92.88	109.18	-2.27	LOGI ahead
2025-08-06	119.13	106.88	-0.35	near the usual relationship
2025-08-05	118.68	107.50	-0.39	near the usual relationship
2025-08-04	121.56	104.11	+0.00	near the usual relationship
2025-08-01	120.09	101.17	+0.12	near the usual relationship
2025-07-31	123.23	104.80	+0.07	near the usual relationship
2025-07-30	125.46	102.64	+0.32	near the usual relationship
2025-07-29	129.23	105.79	+0.33	near the usual relationship
2025-07-28	129.37	106.65	+0.29	near the usual relationship
2025-07-25	129.30	109.18	+0.16	near the usual relationship
2025-07-24	129.23	108.00	+0.23	near the usual relationship
2025-07-23	129.59	109.92	+0.15	near the usual relationship
2025-07-22	129.28	108.07	+0.24	near the usual relationship
2025-07-21	131.91	107.30	+0.40	near the usual relationship
2025-07-18	130.04	107.99	+0.29	near the usual relationship
2025-07-17	129.42	108.18	+0.27	near the usual relationship
2025-07-16	127.59	107.97	+0.21	near the usual relationship
2025-07-15	129.43	105.28	+0.43	near the usual relationship
2025-07-14	127.01	105.56	+0.32	near the usual relationship
2025-07-11	122.19	106.22	+0.10	near the usual relationship
2025-07-10	123.60	107.13	+0.12	near the usual relationship
2025-07-09	132.79	106.58	+0.52	FTNT ahead
2025-07-08	132.65	104.25	+0.63	FTNT ahead
2025-07-07	131.55	104.03	+0.60	FTNT ahead
2025-07-03	130.33	104.58	+0.53	FTNT ahead
2025-07-02	126.08	104.85	+0.37	near the usual relationship
2025-07-01	126.35	102.62	+0.49	near the usual relationship
2025-06-30	130.41	101.69	+0.69	FTNT ahead
2025-06-27	127.19	101.73	+0.57	FTNT ahead
2025-06-26	128.11	100.12	+0.69	FTNT ahead
2025-06-25	127.90	99.76	+0.70	FTNT ahead
2025-06-24	128.80	99.18	+0.76	FTNT ahead
2025-06-23	127.24	96.95	+0.81	FTNT ahead
2025-06-20	123.17	94.39	+0.79	FTNT ahead
2025-06-18	124.36	95.35	+0.80	FTNT ahead
2025-06-17	126.90	96.13	+0.86	FTNT ahead
2025-06-16	125.76	98.10	+0.73	FTNT ahead
2025-06-13	124.37	95.90	+0.79	FTNT ahead
2025-06-12	125.40	98.67	+0.71	FTNT ahead
2025-06-11	125.84	99.42	+0.70	FTNT ahead
2025-06-10	125.36	98.00	+0.75	FTNT ahead
2025-06-09	125.92	97.01	+0.81	FTNT ahead
2025-06-06	129.44	96.19	+0.97	FTNT ahead
2025-06-05	127.67	95.12	+0.96	FTNT ahead
2025-06-04	125.35	94.61	+0.92	FTNT ahead
2025-06-03	126.90	93.99	+1.00	FTNT ahead
2025-06-02	126.40	92.99	+1.03	FTNT ahead
2025-05-30	125.55	93.38	+1.00	FTNT ahead
2025-05-29	125.87	96.01	+0.90	FTNT ahead
2025-05-28	128.91	95.46	+1.03	FTNT ahead
2025-05-27	129.20	96.50	+1.00	FTNT ahead
2025-05-23	127.25	94.60	+1.03	FTNT ahead
2025-05-22	127.82	97.64	+0.93	FTNT ahead
2025-05-21	126.85	97.83	+0.89	FTNT ahead
2025-05-20	129.26	97.65	+0.98	FTNT ahead
2025-05-19	129.21	97.60	+0.99	FTNT ahead
2025-05-16	129.01	97.65	+0.99	FTNT ahead
2025-05-15	126.51	99.02	+0.87	FTNT ahead
2025-05-14	127.33	98.83	+0.91	FTNT ahead
2025-05-13	129.58	98.12	+1.01	FTNT ahead
2025-05-12	125.87	97.29	+0.94	FTNT ahead
2025-05-09	120.17	90.96	+1.03	FTNT ahead
2025-05-08	120.56	91.59	+1.02	FTNT ahead
2025-05-07	131.64	87.60	+1.56	FTNT ahead
2025-05-06	132.16	86.34	+1.65	FTNT ahead
2025-05-05	134.07	88.06	+1.64	FTNT ahead
2025-05-02	130.97	88.18	+1.56	FTNT ahead
2025-05-01	128.54	85.74	+1.61	FTNT ahead
2025-04-30	127.99	85.06	+1.64	FTNT ahead
2025-04-29	128.54	88.24	+1.53	FTNT ahead
2025-04-28	126.61	88.55	+1.46	FTNT ahead
2025-04-25	125.57	87.76	+1.48	FTNT ahead
2025-04-24	124.24	87.05	+1.48	FTNT ahead
2025-04-23	119.65	84.57	+1.46	FTNT ahead
2025-04-22	116.41	81.58	+1.51	FTNT ahead
2025-04-21	114.37	80.21	+1.52	FTNT ahead
2025-04-17	118.58	80.82	+1.66	FTNT ahead
2025-04-16	118.50	79.13	+1.76	FTNT ahead
2025-04-15	122.36	82.13	+1.76	FTNT ahead
2025-04-14	119.46	82.90	+1.63	FTNT ahead
2025-04-11	120.55	80.86	+1.80	FTNT ahead
2025-04-10	118.81	79.40	+1.83	FTNT ahead
2025-04-09	123.26	83.72	+1.78	FTNT ahead
2025-04-08	108.73	73.98	+1.79	FTNT ahead
2025-04-07	108.55	76.92	+1.63	FTNT ahead
2025-04-04	104.49	78.19	+1.41	FTNT ahead
2025-04-03	110.32	80.57	+1.53	FTNT ahead
2025-04-02	120.98	96.66	+1.14	FTNT ahead
2025-04-01	119.24	95.93	+1.12	FTNT ahead
2025-03-31	118.74	95.24	+1.15	FTNT ahead
2025-03-28	119.16	98.10	+1.04	FTNT ahead
2025-03-27	122.78	99.97	+1.10	FTNT ahead
2025-03-26	124.60	102.70	+1.05	FTNT ahead
2025-03-25	125.93	104.31	+1.04	FTNT ahead
2025-03-24	123.09	103.29	+0.99	FTNT ahead
2025-03-21	121.68	101.51	+1.02	FTNT ahead
2025-03-20	121.44	102.53	+0.97	FTNT ahead
2025-03-19	121.09	103.13	+0.94	FTNT ahead
2025-03-18	119.54	102.25	+0.93	FTNT ahead
2025-03-17	119.24	101.77	+0.95	FTNT ahead
2025-03-14	118.72	101.12	+0.97	FTNT ahead
2025-03-13	115.23	100.39	+0.87	FTNT ahead
2025-03-12	120.80	102.04	+1.02	FTNT ahead
2025-03-11	121.23	104.02	+0.95	FTNT ahead
2025-03-10	118.47	106.14	+0.76	FTNT ahead
2025-03-07	124.93	110.20	+0.84	FTNT ahead
2025-03-06	125.47	108.88	+0.92	FTNT ahead
2025-03-05	131.74	110.22	+1.09	FTNT ahead
2025-03-04	131.34	108.02	+1.18	FTNT ahead
2025-03-03	131.42	110.05	+1.10	FTNT ahead
2025-02-28	133.23	111.63	+1.11	FTNT ahead
2025-02-27	132.10	114.19	+0.97	FTNT ahead
2025-02-26	134.48	118.29	+0.90	FTNT ahead
2025-02-25	133.29	117.82	+0.89	FTNT ahead
2025-02-24	134.07	116.64	+0.97	FTNT ahead
2025-02-21	135.71	117.34	+1.00	FTNT ahead
2025-02-20	140.88	116.52	+1.21	FTNT ahead
2025-02-19	141.32	117.40	+1.20	FTNT ahead
2025-02-18	140.94	118.06	+1.17	FTNT ahead
2025-02-14	137.71	118.54	+1.05	FTNT ahead
2025-02-13	135.66	116.55	+1.07	FTNT ahead
2025-02-12	132.85	113.26	+1.11	FTNT ahead
2025-02-11	133.63	112.66	+1.17	FTNT ahead
2025-02-10	135.13	113.43	+1.20	FTNT ahead
2025-02-07	132.80	111.28	+1.22	FTNT ahead
2025-02-06	129.17	112.17	+1.06	FTNT ahead
2025-02-05	129.60	113.47	+1.03	FTNT ahead
2025-02-04	126.78	111.20	+1.03	FTNT ahead
2025-02-03	124.46	108.82	+1.05	FTNT ahead
2025-01-31	124.44	109.92	+1.01	FTNT ahead
2025-01-30	124.50	111.99	+0.93	FTNT ahead
2025-01-29	122.52	109.21	+0.98	FTNT ahead
2025-01-28	123.14	104.89	+1.20	FTNT ahead
2025-01-27	119.37	103.79	+1.11	FTNT ahead
2025-01-24	119.53	102.88	+1.17	FTNT ahead
2025-01-23	120.20	103.29	+1.19	FTNT ahead
2025-01-22	121.18	99.12	+1.44	FTNT ahead
2025-01-21	119.90	101.77	+1.27	FTNT ahead
2025-01-17	116.23	98.41	+1.29	FTNT ahead
2025-01-16	116.01	99.51	+1.24	FTNT ahead
2025-01-15	114.79	99.56	+1.20	FTNT ahead
2025-01-14	114.09	98.18	+1.24	FTNT ahead
2025-01-13	115.74	96.52	+1.41	FTNT ahead
2025-01-10	116.64	96.76	+1.44	FTNT ahead
2025-01-08	118.47	98.14	+1.46	FTNT ahead
2025-01-07	118.33	98.18	+1.47	FTNT ahead
2025-01-06	120.81	97.43	+1.62	FTNT ahead
2025-01-03	120.23	93.31	+1.82	FTNT ahead
2025-01-02	116.87	92.11	+1.77	FTNT ahead
2024-12-31	116.54	92.91	+1.73	FTNT ahead
2024-12-30	117.34	93.24	+1.76	FTNT ahead
2024-12-27	118.51	94.12	+1.78	FTNT ahead
2024-12-26	120.01	94.53	+1.84	FTNT ahead
2024-12-24	120.65	93.68	+1.93	FTNT ahead
2024-12-23	118.93	93.47	+1.89	FTNT ahead
2024-12-20	119.88	92.26	+2.02	FTNT ahead
2024-12-19	117.00	91.46	+1.96	FTNT ahead
2024-12-18	115.16	92.14	+1.87	FTNT ahead
2024-12-17	120.41	94.39	+1.99	FTNT ahead
2024-12-16	121.08	92.98	+2.12	FTNT ahead
2024-12-13	120.82	95.22	+2.01	FTNT ahead
2024-12-12	121.62	95.49	+2.05	FTNT ahead
2024-12-11	120.93	95.92	+2.02	FTNT ahead
2024-12-10	119.81	95.28	+2.03	FTNT ahead
2024-12-09	119.70	96.31	+1.99	FTNT ahead
2024-12-06	122.38	95.78	+2.16	FTNT ahead
2024-12-05	121.45	95.13	+2.18	FTNT ahead
2024-12-04	121.12	94.39	+2.24	FTNT ahead
2024-12-03	117.54	92.25	+2.23	FTNT ahead
2024-12-02	117.58	92.78	+2.23	FTNT ahead
2024-11-29	117.24	91.27	+2.33	FTNT ahead
2024-11-27	116.02	89.42	+2.42	FTNT ahead
2024-11-26	118.96	91.40	+2.48	FTNT ahead
2024-11-25	114.86	92.25	+2.26	FTNT ahead
2024-11-22	114.43	89.79	+2.43	FTNT ahead
2024-11-21	115.97	89.65	+2.55	FTNT ahead
2024-11-20	114.04	88.12	+2.60	FTNT ahead
2024-11-19	111.99	87.93	+2.54	FTNT ahead
2024-11-18	113.33	88.56	+2.61	FTNT ahead
2024-11-15	116.20	87.56	+2.88	FTNT ahead
2024-11-14	116.52	88.28	+2.90	FTNT ahead
2024-11-13	120.74	86.96	+3.28	FTNT ahead
2024-11-12	122.30	87.21	+3.43	FTNT ahead
2024-11-11	119.87	88.89	+3.26	FTNT ahead
2024-11-08	113.53	89.59	+2.93	FTNT ahead
2024-11-07	103.22	91.52	+2.21	FTNT ahead
2024-11-06	99.75	88.71	+2.22	FTNT ahead
2024-11-05	96.11	94.36	+1.59	FTNT ahead
2024-11-04	97.25	94.23	+1.69	FTNT ahead
2024-11-01	97.20	94.16	+1.71	FTNT ahead
2024-10-31	97.03	92.18	+1.86	FTNT ahead
2024-10-30	97.13	93.31	+1.80	FTNT ahead
2024-10-29	97.90	95.48	+1.72	FTNT ahead
2024-10-28	99.61	94.46	+1.93	FTNT ahead
2024-10-25	99.10	91.06	+2.17	FTNT ahead
2024-10-24	99.44	91.35	+2.20	FTNT ahead
2024-10-23	99.14	90.76	+2.25	FTNT ahead
2024-10-22	101.69	94.76	+2.15	FTNT ahead
2024-10-21	101.21	103.59	+1.50	FTNT ahead
2024-10-18	100.00	100.00	+1.67	FTNT ahead

One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Nov 8, 2024 (FTNT +10.0%, LOGI -2.1%); May 8, 2025 (FTNT -8.4%, LOGI +4.6%); Aug 7, 2025 (FTNT -22.0%, LOGI +2.1%); May 7, 2026 (FTNT +20.0%, LOGI -0.2%); Aug 27, 2026 (FTNT +9.7%, LOGI -2.2%). Upcoming earnings: LOGI Oct 27, 2026 (after-hours); FTNT Oct 28, 2026 (after-hours).

Paired trades

The shared paper book and the replay, kept apart

Forward paper record

No paper position on this pair yet.

Historical simulation (a diagnostic, same rules)

No simulated trade through Oct 20, 2026: the pair rarely passed every test while 2 standard deviations apart.

Per $10,000 a leg. A replay on today's companies cannot prove an edge.

The companies

FTNT and LOGI at a glance

FTNT Fortinet Inc.

Listing: Nasdaq · SEC CIK 1262039
Industry: Computer peripheral equipment · SIC 3577 Computer Peripheral Equipment, NEC
Market value: $125.8B
Price history: 2,521 daily closes, Oct 12, 2016 to Oct 22, 2026

LOGI Logitech International S.A.

Listing: Nasdaq · SEC CIK 1032975
Industry: Computer peripheral equipment · SIC 3577 Computer Peripheral Equipment, NEC
Market value: $15.4B
Price history: 2,521 daily closes, Oct 12, 2016 to Oct 22, 2026

Daily prices: Nasdaq.com. Filings and industry codes: SEC EDGAR. Earnings dates: Nasdaq earnings calendar.

All pairs →

Pair	Status	Ahead now	Industry
PANW / LOGI	Watchlist	PANW by 0.97 sd	Computer peripheral equipment
PANW / FTNT	Watchlist	FTNT by 0.50 sd	Computer peripheral equipment

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Paper only: hypothetical paired positions with modelled costs. No broker, no orders, no real money. A historical simulation is a diagnostic, not proof of an edge. Not investment advice.