SIC 3829 Measuring & Controlling Devices, NEC

Rockwell Automation Inc. vs Trimble Inc.

WatchlistROK / TRMBPrices through Oct 22, 2026

Why these are rivals: #2 and #3 by market value ($47B vs $14B) with SEC SIC 3829 (Measuring & Controlling Devices, 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: 0.22 (needs >= 0.60)
Mean reversion: ADF t-statistic of the spread: -1.70 (needs <= -2.873 (5% critical value))

Business leadership

ROK is the larger business

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

Year	ROK	TRMB	Larger
2025	$8.3B	$3.6B	ROK
2024	$8.3B	$3.7B	ROK
2023	$9.1B	$3.8B	ROK
2022	$7.8B	$3.7B	ROK
2021	$7.0B	$3.7B	ROK
2020	$6.3B	$3.2B	ROK

ROK led in every year with figures for both. Market value: ROK $47.2B, TRMB $14.0B.

Stock leadership

Neither is clearly ahead

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

The gap is 0.12 standard deviations, close to the usual relationship. 0 lead switches in the last year.

Price change	3 mo	6 mo	12 mo
ROK	-8.3%	+3.7%	+19.7%
TRMB	+21.0%	-4.5%	-19.6%

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: 0.22 (needs >= 0.60)
Fail: Mean reversion: ADF t-statistic of the spread: -1.71 (needs <= -2.873 (5% critical value))
Pass: Speed: half-life of the spread, sessions: 58.25 (needs <= 63)
Data: Both stocks current

The twins over two years

Prices side by side, and the gap between them

ROK Rockwell Automation Inc. TRMB Trimble Inc.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: ROK relative to TRMB, against the 252 sessions before each day. Above 0: ROK ahead; below 0: TRMB ahead. Lines at +/-2 (idea) and +/-4 (stop).

Data table (504 sessions)

Date	ROK index	TRMB index	z	Ahead
2026-10-22	155.37	103.63	+0.12	near the usual relationship
2026-10-21	160.73	101.33	+0.38	near the usual relationship
2026-10-20	156.80	100.57	+0.31	near the usual relationship
2026-10-19	155.59	97.05	+0.44	near the usual relationship
2026-10-16	156.23	96.26	+0.50	ROK ahead
2026-10-15	154.69	98.70	+0.35	near the usual relationship
2026-10-14	155.20	95.68	+0.51	ROK ahead
2026-10-13	158.45	97.16	+0.54	ROK ahead
2026-10-12	159.07	96.31	+0.60	ROK ahead
2026-10-09	158.56	97.28	+0.55	ROK ahead
2026-10-08	159.13	96.89	+0.59	ROK ahead
2026-10-07	161.97	97.23	+0.65	ROK ahead
2026-10-06	165.22	98.67	+0.68	ROK ahead
2026-10-05	166.84	95.21	+0.88	ROK ahead
2026-10-02	166.54	93.12	+0.98	ROK ahead
2026-10-01	162.18	93.14	+0.87	ROK ahead
2026-09-30	159.57	92.46	+0.84	ROK ahead
2026-09-29	158.17	92.83	+0.79	ROK ahead
2026-09-28	158.06	93.10	+0.78	ROK ahead
2026-09-25	159.13	93.65	+0.79	ROK ahead
2026-09-24	158.69	93.39	+0.80	ROK ahead
2026-09-23	158.67	96.03	+0.69	ROK ahead
2026-09-22	156.58	96.00	+0.64	ROK ahead
2026-09-21	155.74	93.49	+0.74	ROK ahead
2026-09-18	152.34	93.18	+0.66	ROK ahead
2026-09-17	150.30	92.81	+0.63	ROK ahead
2026-09-16	152.09	92.80	+0.69	ROK ahead
2026-09-15	152.85	95.19	+0.61	ROK ahead
2026-09-14	153.53	95.09	+0.64	ROK ahead
2026-09-11	157.02	93.35	+0.81	ROK ahead
2026-09-10	154.45	92.02	+0.81	ROK ahead
2026-09-09	156.18	92.93	+0.82	ROK ahead
2026-09-08	157.29	95.16	+0.76	ROK ahead
2026-09-04	159.01	96.28	+0.76	ROK ahead
2026-09-03	156.98	97.30	+0.68	ROK ahead
2026-09-02	155.91	95.69	+0.72	ROK ahead
2026-09-01	153.04	95.42	+0.67	ROK ahead
2026-08-31	155.57	97.04	+0.67	ROK ahead
2026-08-28	157.93	98.77	+0.67	ROK ahead
2026-08-27	158.71	99.63	+0.66	ROK ahead
2026-08-26	158.25	96.62	+0.77	ROK ahead
2026-08-25	157.39	96.21	+0.77	ROK ahead
2026-08-24	157.50	98.22	+0.70	ROK ahead
2026-08-21	160.21	97.54	+0.80	ROK ahead
2026-08-20	158.14	96.62	+0.80	ROK ahead
2026-08-19	158.81	95.92	+0.85	ROK ahead
2026-08-18	158.96	92.26	+1.01	ROK ahead
2026-08-17	162.96	90.16	+1.20	ROK ahead
2026-08-14	164.71	93.25	+1.12	ROK ahead
2026-08-13	163.30	93.15	+1.10	ROK ahead
2026-08-12	165.45	91.23	+1.24	ROK ahead
2026-08-11	163.84	93.86	+1.10	ROK ahead
2026-08-10	159.53	94.61	+0.98	ROK ahead
2026-08-07	161.66	96.34	+0.97	ROK ahead
2026-08-06	161.94	94.79	+1.04	ROK ahead
2026-08-05	164.96	94.84	+1.12	ROK ahead
2026-08-04	163.20	96.83	+1.01	ROK ahead
2026-08-03	176.30	93.56	+1.45	ROK ahead
2026-07-31	175.97	91.60	+1.53	ROK ahead
2026-07-30	172.64	92.37	+1.44	ROK ahead
2026-07-29	168.39	94.29	+1.28	ROK ahead
2026-07-28	172.70	94.51	+1.38	ROK ahead
2026-07-27	170.81	90.29	+1.52	ROK ahead
2026-07-24	169.40	85.66	+1.71	ROK ahead
2026-07-23	168.85	81.51	+1.91	ROK ahead
2026-07-22	167.95	81.11	+1.93	ROK ahead
2026-07-21	170.38	83.94	+1.87	ROK ahead
2026-07-20	168.14	86.14	+1.74	ROK ahead
2026-07-17	169.29	85.35	+1.82	ROK ahead
2026-07-16	171.79	87.02	+1.82	ROK ahead
2026-07-15	169.31	84.05	+1.92	ROK ahead
2026-07-14	172.19	83.50	+2.04	ROK ahead
2026-07-13	168.77	84.65	+1.93	ROK ahead
2026-07-10	173.05	85.51	+2.01	ROK ahead
2026-07-09	171.35	85.33	+2.01	ROK ahead
2026-07-08	169.93	84.83	+2.02	ROK ahead
2026-07-07	171.87	86.98	+1.99	ROK ahead
2026-07-06	176.99	84.94	+2.24	ROK ahead
2026-07-02	172.90	85.87	+2.12	ROK ahead
2026-07-01	176.97	85.12	+2.29	ROK ahead
2026-06-30	181.47	82.86	+2.55	ROK ahead
2026-06-29	176.79	82.19	+2.52	ROK ahead
2026-06-26	174.77	82.08	+2.51	ROK ahead
2026-06-25	175.72	81.33	+2.62	ROK ahead
2026-06-24	168.74	81.17	+2.49	ROK ahead
2026-06-23	167.28	79.63	+2.58	ROK ahead
2026-06-22	175.24	79.70	+2.84	ROK ahead
2026-06-18	173.66	79.59	+2.87	ROK ahead
2026-06-17	168.13	79.12	+2.79	ROK ahead
2026-06-16	170.92	82.21	+2.74	ROK ahead
2026-06-15	169.92	81.29	+2.82	ROK ahead
2026-06-12	168.37	81.63	+2.81	ROK ahead
2026-06-11	167.73	80.95	+2.89	ROK ahead
2026-06-10	161.30	81.92	+2.68	ROK ahead
2026-06-09	168.78	85.72	+2.73	ROK ahead
2026-06-08	165.55	86.82	+2.61	ROK ahead
2026-06-05	163.74	87.73	+2.54	ROK ahead
2026-06-04	169.43	90.17	+2.62	ROK ahead
2026-06-03	169.24	89.88	+2.68	ROK ahead
2026-06-02	169.86	93.48	+2.53	ROK ahead
2026-06-01	167.40	94.14	+2.45	ROK ahead
2026-05-29	165.33	91.32	+2.59	ROK ahead
2026-05-28	166.70	88.91	+2.85	ROK ahead
2026-05-27	167.17	88.85	+2.92	ROK ahead
2026-05-26	167.25	91.21	+2.83	ROK ahead
2026-05-22	165.78	91.21	+2.83	ROK ahead
2026-05-21	161.37	90.61	+2.76	ROK ahead
2026-05-20	159.90	90.61	+2.76	ROK ahead
2026-05-19	154.79	88.33	+2.76	ROK ahead
2026-05-18	159.94	89.07	+2.98	ROK ahead
2026-05-15	164.48	89.25	+3.22	ROK ahead
2026-05-14	167.34	90.27	+3.34	ROK ahead
2026-05-13	166.77	88.88	+3.51	ROK ahead
2026-05-12	166.81	91.48	+3.41	ROK ahead
2026-05-11	167.39	93.96	+3.33	ROK ahead
2026-05-08	166.37	98.43	+3.03	ROK ahead
2026-05-07	164.41	100.13	+2.87	ROK ahead
2026-05-06	168.37	102.67	+2.92	ROK ahead
2026-05-05	159.79	110.68	+2.01	ROK ahead
2026-05-04	146.73	110.93	+1.38	ROK ahead
2026-05-01	149.34	110.77	+1.54	ROK ahead
2026-04-30	149.88	108.98	+1.70	ROK ahead
2026-04-29	146.69	107.30	+1.67	ROK ahead
2026-04-28	147.09	107.88	+1.66	ROK ahead
2026-04-27	149.15	108.74	+1.72	ROK ahead
2026-04-24	147.05	109.03	+1.61	ROK ahead
2026-04-23	149.88	108.53	+1.81	ROK ahead
2026-04-22	149.19	111.85	+1.56	ROK ahead
2026-04-21	150.30	111.66	+1.65	ROK ahead
2026-04-20	151.64	112.51	+1.67	ROK ahead
2026-04-17	152.38	112.17	+1.74	ROK ahead
2026-04-16	147.65	109.55	+1.70	ROK ahead
2026-04-15	145.66	108.13	+1.71	ROK ahead
2026-04-14	148.55	107.67	+1.91	ROK ahead
2026-04-13	149.47	108.29	+1.93	ROK ahead
2026-04-10	145.15	104.86	+1.98	ROK ahead
2026-04-09	144.75	105.91	+1.90	ROK ahead
2026-04-08	142.94	108.05	+1.67	ROK ahead
2026-04-07	135.39	103.95	+1.57	ROK ahead
2026-04-06	134.59	105.34	+1.43	ROK ahead
2026-04-02	133.80	105.42	+1.39	ROK ahead
2026-04-01	135.22	105.36	+1.49	ROK ahead
2026-03-31	131.54	105.60	+1.27	ROK ahead
2026-03-30	127.74	101.25	+1.38	ROK ahead
2026-03-27	128.84	101.94	+1.40	ROK ahead
2026-03-26	130.06	105.96	+1.19	ROK ahead
2026-03-25	132.19	106.64	+1.27	ROK ahead
2026-03-24	132.40	105.84	+1.35	ROK ahead
2026-03-23	131.16	108.19	+1.12	ROK ahead
2026-03-20	130.16	106.38	+1.20	ROK ahead
2026-03-19	130.39	107.95	+1.11	ROK ahead
2026-03-18	130.16	106.09	+1.23	ROK ahead
2026-03-17	131.00	108.61	+1.11	ROK ahead
2026-03-16	133.44	107.82	+1.32	ROK ahead
2026-03-13	132.30	107.60	+1.28	ROK ahead
2026-03-12	131.30	107.11	+1.27	ROK ahead
2026-03-11	136.81	109.44	+1.43	ROK ahead
2026-03-10	137.11	111.69	+1.30	ROK ahead
2026-03-09	137.65	114.05	+1.18	ROK ahead
2026-03-06	135.56	113.45	+1.11	ROK ahead
2026-03-05	138.74	114.07	+1.26	ROK ahead
2026-03-04	140.51	113.19	+1.43	ROK ahead
2026-03-03	146.07	111.96	+1.82	ROK ahead
2026-03-02	151.07	110.75	+2.19	ROK ahead
2026-02-27	149.35	108.26	+2.31	ROK ahead
2026-02-26	150.76	110.46	+2.26	ROK ahead
2026-02-25	147.49	108.69	+2.24	ROK ahead
2026-02-24	148.56	108.05	+2.38	ROK ahead
2026-02-23	142.08	105.91	+2.22	ROK ahead
2026-02-20	146.17	109.47	+2.21	ROK ahead
2026-02-19	144.92	109.10	+2.20	ROK ahead
2026-02-18	145.32	108.32	+2.31	ROK ahead
2026-02-17	142.39	106.25	+2.34	ROK ahead
2026-02-13	144.55	107.50	+2.40	ROK ahead
2026-02-12	140.02	106.86	+2.21	ROK ahead
2026-02-11	149.10	105.44	+2.92	ROK ahead
2026-02-10	151.24	111.51	+2.59	ROK ahead
2026-02-09	150.52	108.35	+2.84	ROK ahead
2026-02-06	152.12	107.09	+3.10	ROK ahead
2026-02-05	149.07	103.58	+3.28	ROK ahead
2026-02-04	157.55	105.29	+3.73	ROK ahead
2026-02-03	157.73	104.61	+3.91	ROK ahead
2026-02-02	157.30	109.89	+3.51	ROK ahead
2026-01-30	154.55	109.44	+3.47	ROK ahead
2026-01-29	156.41	110.68	+3.57	ROK ahead
2026-01-28	152.08	113.44	+3.10	ROK ahead
2026-01-27	153.86	113.34	+3.30	ROK ahead
2026-01-26	154.09	115.56	+3.19	ROK ahead
2026-01-23	153.16	115.25	+3.22	ROK ahead
2026-01-22	155.90	115.72	+3.45	ROK ahead
2026-01-21	154.06	113.71	+3.61	ROK ahead
2026-01-20	148.08	112.66	+3.35	ROK ahead
2026-01-16	152.31	119.62	+3.06	ROK ahead
2026-01-15	154.36	127.20	+2.55	ROK ahead
2026-01-14	152.93	129.12	+2.30	ROK ahead
2026-01-13	152.80	129.90	+2.25	ROK ahead
2026-01-12	151.80	130.81	+2.12	ROK ahead
2026-01-09	150.48	130.50	+2.07	ROK ahead
2026-01-08	147.96	128.72	+2.06	ROK ahead
2026-01-07	150.04	129.80	+2.15	ROK ahead
2026-01-06	151.51	132.02	+2.10	ROK ahead
2026-01-05	148.35	128.33	+2.21	ROK ahead
2026-01-02	146.09	126.81	+2.20	ROK ahead
2025-12-31	142.61	126.84	+1.93	ROK ahead
2025-12-30	144.30	128.80	+1.90	ROK ahead
2025-12-29	145.33	129.50	+1.95	ROK ahead
2025-12-26	146.54	129.84	+2.05	ROK ahead
2025-12-24	145.96	129.53	+2.05	ROK ahead
2025-12-23	146.19	130.32	+2.02	ROK ahead
2025-12-22	146.10	132.67	+1.80	ROK ahead
2025-12-19	145.10	130.94	+1.90	ROK ahead
2025-12-18	143.55	129.37	+1.94	ROK ahead
2025-12-17	142.78	127.72	+2.07	ROK ahead
2025-12-16	147.01	130.32	+2.22	ROK ahead
2025-12-15	147.22	129.79	+2.33	ROK ahead
2025-12-12	148.52	129.93	+2.47	ROK ahead
2025-12-11	151.40	134.92	+2.25	ROK ahead
2025-12-10	150.37	133.50	+2.33	ROK ahead
2025-12-09	146.84	131.84	+2.21	ROK ahead
2025-12-08	147.43	132.38	+2.24	ROK ahead
2025-12-05	148.19	135.21	+2.04	ROK ahead
2025-12-04	148.04	133.24	+2.26	ROK ahead
2025-12-03	146.75	133.29	+2.16	ROK ahead
2025-12-02	143.39	133.12	+1.87	ROK ahead
2025-12-01	142.94	132.22	+1.94	ROK ahead
2025-11-28	145.10	131.81	+2.24	ROK ahead
2025-11-26	144.41	131.57	+2.23	ROK ahead
2025-11-25	143.43	130.89	+2.23	ROK ahead
2025-11-24	140.89	127.98	+2.34	ROK ahead
2025-11-21	138.82	124.70	+2.55	ROK ahead
2025-11-20	135.14	121.13	+2.63	ROK ahead
2025-11-19	136.53	122.65	+2.64	ROK ahead
2025-11-18	134.16	122.10	+2.48	ROK ahead
2025-11-17	135.66	122.31	+2.67	ROK ahead
2025-11-14	138.23	125.56	+2.59	ROK ahead
2025-11-13	139.17	124.69	+2.87	ROK ahead
2025-11-12	144.62	133.06	+2.46	ROK ahead
2025-11-11	143.71	128.83	+2.95	ROK ahead
2025-11-10	143.41	129.03	+2.95	ROK ahead
2025-11-07	136.90	127.73	+2.36	ROK ahead
2025-11-06	136.54	127.60	+2.36	ROK ahead
2025-11-05	132.91	130.44	+1.51	ROK ahead
2025-11-04	131.90	127.25	+1.82	ROK ahead
2025-11-03	133.62	128.82	+1.85	ROK ahead
2025-10-31	135.02	129.11	+2.01	ROK ahead
2025-10-30	134.03	127.68	+2.09	ROK ahead
2025-10-29	134.94	128.53	+2.11	ROK ahead
2025-10-28	132.68	130.32	+1.56	ROK ahead
2025-10-27	132.52	131.33	+1.40	ROK ahead
2025-10-24	130.66	131.81	+1.08	ROK ahead
2025-10-23	130.91	130.65	+1.27	ROK ahead
2025-10-22	128.40	128.06	+1.28	ROK ahead
2025-10-21	129.81	128.95	+1.36	ROK ahead
2025-10-20	129.31	127.21	+1.53	ROK ahead
2025-10-17	127.43	125.30	+1.54	ROK ahead
2025-10-16	127.56	126.06	+1.46	ROK ahead
2025-10-15	129.06	127.44	+1.48	ROK ahead
2025-10-14	126.09	126.34	+1.22	ROK ahead
2025-10-13	124.33	124.75	+1.19	ROK ahead
2025-10-10	122.33	122.44	+1.24	ROK ahead
2025-10-09	125.65	128.20	+0.89	ROK ahead
2025-10-08	127.60	130.27	+0.88	ROK ahead
2025-10-07	126.17	128.38	+0.94	ROK ahead
2025-10-06	127.77	130.82	+0.83	ROK ahead
2025-10-03	128.07	130.68	+0.89	ROK ahead
2025-10-02	127.81	129.85	+0.97	ROK ahead
2025-10-01	128.04	128.56	+1.19	ROK ahead
2025-09-30	128.12	132.18	+0.69	ROK ahead
2025-09-29	126.28	132.67	+0.36	near the usual relationship
2025-09-26	125.94	131.52	+0.46	near the usual relationship
2025-09-25	124.64	129.48	+0.55	ROK ahead
2025-09-24	125.53	129.32	+0.69	ROK ahead
2025-09-23	125.62	132.82	+0.23	near the usual relationship
2025-09-22	126.59	132.99	+0.33	near the usual relationship
2025-09-19	127.49	134.01	+0.31	near the usual relationship
2025-09-18	127.76	132.20	+0.59	ROK ahead
2025-09-17	126.33	128.93	+0.82	ROK ahead
2025-09-16	125.45	130.95	+0.42	near the usual relationship
2025-09-15	126.98	131.15	+0.59	ROK ahead
2025-09-12	126.43	130.94	+0.53	ROK ahead
2025-09-11	128.49	134.13	+0.38	near the usual relationship
2025-09-10	124.40	129.77	+0.38	near the usual relationship
2025-09-09	125.71	129.61	+0.57	ROK ahead
2025-09-08	126.34	131.60	+0.39	near the usual relationship
2025-09-05	124.54	130.71	+0.26	near the usual relationship
2025-09-04	125.31	129.04	+0.55	ROK ahead
2025-09-03	124.13	127.25	+0.61	ROK ahead
2025-09-02	123.83	127.20	+0.57	ROK ahead
2025-08-29	125.88	130.84	+0.38	near the usual relationship
2025-08-28	127.97	133.09	+0.36	near the usual relationship
2025-08-27	128.00	133.04	+0.36	near the usual relationship
2025-08-26	130.37	131.84	+0.77	ROK ahead
2025-08-25	128.28	131.83	+0.52	ROK ahead
2025-08-22	128.73	133.69	+0.35	near the usual relationship
2025-08-21	124.45	129.95	+0.26	near the usual relationship
2025-08-20	124.49	129.84	+0.26	near the usual relationship
2025-08-19	125.91	131.33	+0.25	near the usual relationship
2025-08-18	125.66	134.05	-0.09	near the usual relationship
2025-08-15	125.46	133.14	-0.02	near the usual relationship
2025-08-14	127.38	135.45	-0.06	near the usual relationship
2025-08-13	127.93	136.75	-0.14	near the usual relationship
2025-08-12	124.53	135.36	-0.39	near the usual relationship
2025-08-11	120.87	133.71	-0.64	TRMB ahead
2025-08-08	122.14	135.62	-0.69	TRMB ahead
2025-08-07	121.91	133.59	-0.52	TRMB ahead
2025-08-06	120.47	136.20	-0.95	TRMB ahead
2025-08-05	126.82	133.88	-0.04	near the usual relationship
2025-08-04	128.35	136.39	-0.13	near the usual relationship
2025-08-01	126.27	133.79	-0.10	near the usual relationship
2025-07-31	128.92	135.81	-0.04	near the usual relationship
2025-07-30	128.73	137.91	-0.26	near the usual relationship
2025-07-29	129.72	137.11	-0.10	near the usual relationship
2025-07-28	130.50	137.72	-0.08	near the usual relationship
2025-07-25	131.41	138.00	-0.03	near the usual relationship
2025-07-24	130.86	136.30	+0.07	near the usual relationship
2025-07-23	131.22	135.37	+0.18	near the usual relationship
2025-07-22	129.62	133.59	+0.19	near the usual relationship
2025-07-21	128.55	131.83	+0.24	near the usual relationship
2025-07-18	130.49	132.82	+0.32	near the usual relationship
2025-07-17	130.67	132.78	+0.33	near the usual relationship
2025-07-16	128.90	130.60	+0.36	near the usual relationship
2025-07-15	127.04	128.65	+0.36	near the usual relationship
2025-07-14	125.79	129.84	+0.12	near the usual relationship
2025-07-11	125.75	129.50	+0.15	near the usual relationship
2025-07-10	126.44	130.86	+0.08	near the usual relationship
2025-07-09	124.72	128.90	+0.09	near the usual relationship
2025-07-08	123.95	128.41	+0.06	near the usual relationship
2025-07-07	124.23	127.29	+0.18	near the usual relationship
2025-07-03	127.22	127.69	+0.42	near the usual relationship
2025-07-02	125.63	126.05	+0.42	near the usual relationship
2025-07-01	124.11	123.78	+0.48	near the usual relationship
2025-06-30	121.75	123.00	+0.33	near the usual relationship
2025-06-27	120.94	122.47	+0.29	near the usual relationship
2025-06-26	119.57	121.47	+0.25	near the usual relationship
2025-06-25	118.20	119.99	+0.26	near the usual relationship
2025-06-24	119.47	119.33	+0.44	near the usual relationship
2025-06-23	118.69	117.71	+0.51	ROK ahead
2025-06-20	117.80	116.25	+0.57	ROK ahead
2025-06-18	117.95	116.08	+0.60	ROK ahead
2025-06-17	117.44	116.17	+0.54	ROK ahead
2025-06-16	118.87	117.99	+0.50	ROK ahead
2025-06-13	116.51	115.07	+0.55	ROK ahead
2025-06-12	119.18	117.14	+0.60	ROK ahead
2025-06-11	119.14	117.44	+0.57	ROK ahead
2025-06-10	119.21	117.86	+0.53	ROK ahead
2025-06-09	118.89	117.14	+0.57	ROK ahead
2025-06-06	118.88	116.92	+0.58	ROK ahead
2025-06-05	117.48	115.20	+0.61	ROK ahead
2025-06-04	116.89	116.03	+0.47	near the usual relationship
2025-06-03	116.05	116.11	+0.38	near the usual relationship
2025-06-02	116.30	114.68	+0.54	ROK ahead
2025-05-30	115.66	115.38	+0.41	near the usual relationship
2025-05-29	115.44	116.01	+0.33	near the usual relationship
2025-05-28	114.50	115.77	+0.26	near the usual relationship
2025-05-27	114.76	116.43	+0.22	near the usual relationship
2025-05-23	111.99	114.21	+0.16	near the usual relationship
2025-05-22	112.27	114.60	+0.14	near the usual relationship
2025-05-21	110.61	114.55	-0.02	near the usual relationship
2025-05-20	112.93	117.06	-0.04	near the usual relationship
2025-05-19	112.97	116.06	+0.06	near the usual relationship
2025-05-16	113.28	116.38	+0.05	near the usual relationship
2025-05-15	112.84	115.33	+0.11	near the usual relationship
2025-05-14	112.73	115.38	+0.08	near the usual relationship
2025-05-13	113.08	115.35	+0.12	near the usual relationship
2025-05-12	109.88	114.20	-0.09	near the usual relationship
2025-05-09	108.06	110.28	+0.10	near the usual relationship
2025-05-08	106.75	109.08	+0.08	near the usual relationship
2025-05-07	103.79	107.33	-0.05	near the usual relationship
2025-05-06	92.75	102.51	-0.76	TRMB ahead
2025-05-05	93.04	103.76	-0.86	TRMB ahead
2025-05-02	92.97	104.57	-0.96	TRMB ahead
2025-05-01	91.33	101.25	-0.81	TRMB ahead
2025-04-30	90.79	100.60	-0.81	TRMB ahead
2025-04-29	90.77	100.29	-0.79	TRMB ahead
2025-04-28	90.37	99.48	-0.76	TRMB ahead
2025-04-25	91.04	99.90	-0.73	TRMB ahead
2025-04-24	91.10	99.81	-0.72	TRMB ahead
2025-04-23	87.91	96.34	-0.73	TRMB ahead
2025-04-22	85.92	93.91	-0.70	TRMB ahead
2025-04-21	83.18	91.02	-0.72	TRMB ahead
2025-04-17	85.14	94.27	-0.85	TRMB ahead
2025-04-16	83.61	94.35	-1.06	TRMB ahead
2025-04-15	85.42	96.47	-1.08	TRMB ahead
2025-04-14	85.56	96.31	-1.05	TRMB ahead
2025-04-11	84.08	94.25	-1.02	TRMB ahead
2025-04-10	84.36	93.96	-0.96	TRMB ahead
2025-04-09	88.86	99.55	-1.02	TRMB ahead
2025-04-08	80.26	89.23	-0.95	TRMB ahead
2025-04-07	83.43	90.69	-0.72	TRMB ahead
2025-04-04	83.25	91.48	-0.84	TRMB ahead
2025-04-03	87.66	97.59	-0.98	TRMB ahead
2025-04-02	95.62	107.67	-1.11	TRMB ahead
2025-04-01	94.84	105.84	-1.02	TRMB ahead
2025-03-31	94.71	106.28	-1.09	TRMB ahead
2025-03-28	94.80	106.07	-1.07	TRMB ahead
2025-03-27	98.26	110.05	-1.09	TRMB ahead
2025-03-26	98.70	111.61	-1.20	TRMB ahead
2025-03-25	100.01	114.10	-1.31	TRMB ahead
2025-03-24	98.22	116.67	-1.76	TRMB ahead
2025-03-21	94.86	114.20	-1.93	TRMB ahead
2025-03-20	94.60	114.42	-2.01	TRMB ahead
2025-03-19	95.31	115.98	-2.10	TRMB ahead
2025-03-18	94.62	113.63	-1.98	TRMB ahead
2025-03-17	96.03	113.73	-1.84	TRMB ahead
2025-03-14	95.37	112.34	-1.80	TRMB ahead
2025-03-13	93.57	107.48	-1.52	TRMB ahead
2025-03-12	96.03	109.05	-1.41	TRMB ahead
2025-03-11	97.19	107.64	-1.13	TRMB ahead
2025-03-10	99.10	107.67	-0.91	TRMB ahead
2025-03-07	101.36	111.80	-1.10	TRMB ahead
2025-03-06	99.63	109.52	-1.06	TRMB ahead
2025-03-05	100.31	112.50	-1.31	TRMB ahead
2025-03-04	98.19	110.81	-1.39	TRMB ahead
2025-03-03	102.13	112.81	-1.15	TRMB ahead
2025-02-28	105.25	116.53	-1.19	TRMB ahead
2025-02-27	104.22	114.42	-1.10	TRMB ahead
2025-02-26	105.23	115.57	-1.11	TRMB ahead
2025-02-25	105.84	115.53	-1.04	TRMB ahead
2025-02-24	107.26	114.83	-0.82	TRMB ahead
2025-02-21	108.21	115.70	-0.81	TRMB ahead
2025-02-20	111.13	118.52	-0.79	TRMB ahead
2025-02-19	109.72	122.34	-1.32	TRMB ahead
2025-02-18	110.38	121.64	-1.20	TRMB ahead
2025-02-14	107.91	120.27	-1.34	TRMB ahead
2025-02-13	109.47	119.25	-1.08	TRMB ahead
2025-02-12	110.68	118.65	-0.89	TRMB ahead
2025-02-11	111.34	119.52	-0.91	TRMB ahead
2025-02-10	110.82	120.38	-1.06	TRMB ahead
2025-02-07	98.38	120.38	-2.47	TRMB ahead
2025-02-06	98.50	122.02	-2.65	TRMB ahead
2025-02-05	99.17	121.53	-2.56	TRMB ahead
2025-02-04	99.09	120.37	-2.49	TRMB ahead
2025-02-03	99.35	119.99	-2.46	TRMB ahead
2025-01-31	102.06	121.35	-2.27	TRMB ahead
2025-01-30	102.27	122.03	-2.31	TRMB ahead
2025-01-29	102.23	121.05	-2.22	TRMB ahead
2025-01-28	103.45	121.86	-2.16	TRMB ahead
2025-01-27	104.18	122.97	-2.18	TRMB ahead
2025-01-24	105.72	125.34	-2.23	TRMB ahead
2025-01-23	106.55	125.45	-2.15	TRMB ahead
2025-01-22	105.91	125.30	-2.20	TRMB ahead
2025-01-21	106.58	123.73	-1.99	TRMB ahead
2025-01-17	105.05	121.29	-1.93	TRMB ahead
2025-01-16	102.98	119.64	-2.00	TRMB ahead
2025-01-15	101.21	117.73	-2.02	TRMB ahead
2025-01-14	101.52	115.85	-1.81	TRMB ahead
2025-01-13	100.99	113.76	-1.68	TRMB ahead
2025-01-10	100.21	113.70	-1.76	TRMB ahead
2025-01-08	102.47	117.44	-1.87	TRMB ahead
2025-01-07	103.11	116.59	-1.73	TRMB ahead
2025-01-06	103.17	115.10	-1.60	TRMB ahead
2025-01-03	103.65	114.25	-1.48	TRMB ahead
2025-01-02	102.96	112.85	-1.43	TRMB ahead
2024-12-31	104.75	114.39	-1.39	TRMB ahead
2024-12-30	104.70	114.02	-1.37	TRMB ahead
2024-12-27	106.48	115.27	-1.32	TRMB ahead
2024-12-26	107.72	117.05	-1.36	TRMB ahead
2024-12-24	107.10	116.35	-1.37	TRMB ahead
2024-12-23	106.01	115.22	-1.38	TRMB ahead
2024-12-20	106.22	115.98	-1.43	TRMB ahead
2024-12-19	104.83	114.52	-1.44	TRMB ahead
2024-12-18	105.45	114.44	-1.38	TRMB ahead
2024-12-17	107.58	118.00	-1.49	TRMB ahead
2024-12-16	108.53	120.19	-1.59	TRMB ahead
2024-12-13	108.94	119.14	-1.48	TRMB ahead
2024-12-12	111.03	121.21	-1.47	TRMB ahead
2024-12-11	109.00	119.73	-1.54	TRMB ahead
2024-12-10	107.65	119.99	-1.69	TRMB ahead
2024-12-09	109.49	120.79	-1.60	TRMB ahead
2024-12-06	108.28	121.19	-1.74	TRMB ahead
2024-12-05	108.90	122.07	-1.77	TRMB ahead
2024-12-04	107.70	121.87	-1.87	TRMB ahead
2024-12-03	106.87	119.72	-1.79	TRMB ahead
2024-12-02	108.91	118.31	-1.51	TRMB ahead
2024-11-29	108.18	118.13	-1.57	TRMB ahead
2024-11-27	108.11	117.26	-1.52	TRMB ahead
2024-11-26	108.50	117.16	-1.48	TRMB ahead
2024-11-25	109.49	118.10	-1.48	TRMB ahead
2024-11-22	106.61	117.08	-1.65	TRMB ahead
2024-11-21	102.01	115.64	-1.95	TRMB ahead
2024-11-20	102.66	114.10	-1.78	TRMB ahead
2024-11-19	101.95	112.79	-1.75	TRMB ahead
2024-11-18	103.78	113.13	-1.62	TRMB ahead
2024-11-15	104.89	114.33	-1.63	TRMB ahead
2024-11-14	104.99	114.52	-1.64	TRMB ahead
2024-11-13	105.04	117.55	-1.88	TRMB ahead
2024-11-12	101.85	117.87	-2.19	TRMB ahead
2024-11-11	101.83	118.76	-2.27	TRMB ahead
2024-11-08	99.75	117.61	-2.40	TRMB ahead
2024-11-07	101.57	116.79	-2.20	TRMB ahead
2024-11-06	107.76	117.60	-1.75	TRMB ahead
2024-11-05	98.67	99.76	-1.09	TRMB ahead
2024-11-04	97.01	99.26	-1.20	TRMB ahead
2024-11-01	98.50	99.09	-1.06	TRMB ahead
2024-10-31	97.76	97.94	-1.03	TRMB ahead
2024-10-30	97.73	99.34	-1.16	TRMB ahead
2024-10-29	98.39	99.82	-1.16	TRMB ahead
2024-10-28	99.45	99.32	-1.03	TRMB ahead
2024-10-25	98.92	98.59	-1.02	TRMB ahead
2024-10-24	98.12	98.04	-1.05	TRMB ahead
2024-10-23	97.66	97.62	-1.06	TRMB ahead
2024-10-22	98.52	97.47	-0.98	TRMB ahead
2024-10-21	98.94	98.38	-1.03	TRMB ahead
2024-10-18	100.00	100.00	-1.09	TRMB ahead

One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Feb 10, 2025 (ROK +12.7%, TRMB +0.0%); Aug 6, 2025 (ROK -5.0%, TRMB +1.7%); Feb 12, 2026 (ROK -6.1%, TRMB +1.4%); May 5, 2026 (ROK +8.9%, TRMB -0.2%); May 6, 2026 (ROK +5.4%, TRMB -7.2%); Aug 4, 2026 (ROK -7.4%, TRMB +3.5%). Upcoming earnings: TRMB Nov 4, 2026 (pre-market); ROK Nov 5, 2026 (not-supplied).

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

ROK and TRMB at a glance

ROK Rockwell Automation Inc.

Listing: NYSE · SEC CIK 1024478
Industry: Industrial Machinery/Components · SIC 3829 Measuring & Controlling Devices, NEC
Market value: $47.2B
Price history: 2,521 daily closes, Oct 12, 2016 to Oct 22, 2026

TRMB Trimble Inc.

Listing: Nasdaq · SEC CIK 864749
Industry: Industrial Machinery/Components · SIC 3829 Measuring & Controlling Devices, NEC
Market value: $14.0B
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
TMO / ROK	Watchlist	TMO by 1.32 sd	SIC 3829 Measuring & Controlling Devices, NEC
TMO / TRMB	Watchlist	TMO by 1.27 sd	SIC 3829 Measuring & Controlling Devices, NEC

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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.