SIC 3569 General Industrial Machinery & Equipment, NEC

Nordson Corporation vs Symbotic Inc.

WatchlistNDSN / SYMPrices through Oct 22, 2026

Why these are rivals: #1 and #2 by market value ($24B vs $18B) with SEC SIC 3569 (General Industrial Machinery & 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: 0.33 (needs >= 0.60)
Mean reversion: ADF t-statistic of the spread: -1.26 (needs <= -2.873 (5% critical value))

Business leadership

NDSN is the larger business

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

Year	NDSN	SYM	Larger
2025	$2.8B	$2.2B	NDSN
2024	$2.7B	$1.8B	NDSN
2023	$2.6B	$1.2B	NDSN
2022	$2.6B	$593M	NDSN
2021	$2.4B	$252M	NDSN
2020	$2.1B	$92M	NDSN

NDSN led in every year with figures for both. Market value: NDSN $18.0B, SYM $23.6B.

Stock leadership

NDSN is ahead now

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

NDSN leads SYM by 1.30 standard deviations: +45.6% over its usual price ratio. 1 lead switch in the last year.

Price change	3 mo	6 mo	12 mo
NDSN	+7.8%	+12.3%	+34.1%
SYM	+0.5%	-35.4%	-42.3%

Relationship

Not a measured twin today

Only these tests can make a pair tradable on paper.

Pass: Aligned sessions: 1414 (needs >= 254)
Fail: Co-movement: daily return correlation, 252 sessions: 0.33 (needs >= 0.60)
Fail: Mean reversion: ADF t-statistic of the spread: -1.26 (needs <= -2.873 (5% critical value))
Pass: Speed: half-life of the spread, sessions: 45.44 (needs <= 63)
Data: Both stocks current

The twins over two years

Prices side by side, and the gap between them

NDSN Nordson Corporation SYM Symbotic 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: NDSN relative to SYM, against the 252 sessions before each day. Above 0: NDSN ahead; below 0: SYM ahead. Lines at +/-2 (idea) and +/-4 (stop).

Data table (504 sessions)

Date	NDSN index	SYM index	z	Ahead
2026-10-22	123.93	134.31	+1.30	NDSN ahead
2026-10-21	128.92	138.87	+1.33	NDSN ahead
2026-10-20	127.16	132.08	+1.47	NDSN ahead
2026-10-19	125.94	129.82	+1.51	NDSN ahead
2026-10-16	125.33	129.02	+1.52	NDSN ahead
2026-10-15	127.85	132.31	+1.51	NDSN ahead
2026-10-14	127.83	126.12	+1.69	NDSN ahead
2026-10-13	128.55	136.07	+1.46	NDSN ahead
2026-10-12	128.49	135.71	+1.48	NDSN ahead
2026-10-09	127.61	141.86	+1.32	NDSN ahead
2026-10-08	127.10	139.97	+1.36	NDSN ahead
2026-10-07	127.42	144.13	+1.28	NDSN ahead
2026-10-06	129.96	146.92	+1.29	NDSN ahead
2026-10-05	130.04	142.66	+1.40	NDSN ahead
2026-10-02	129.70	144.03	+1.37	NDSN ahead
2026-10-01	127.94	143.66	+1.35	NDSN ahead
2026-09-30	127.48	140.00	+1.44	NDSN ahead
2026-09-29	128.14	138.14	+1.51	NDSN ahead
2026-09-28	128.83	139.77	+1.51	NDSN ahead
2026-09-25	126.67	144.66	+1.34	NDSN ahead
2026-09-24	125.70	146.56	+1.28	NDSN ahead
2026-09-23	124.98	145.39	+1.30	NDSN ahead
2026-09-22	124.30	149.98	+1.18	NDSN ahead
2026-09-21	122.23	146.29	+1.21	NDSN ahead
2026-09-18	121.15	139.40	+1.36	NDSN ahead
2026-09-17	121.22	148.45	+1.15	NDSN ahead
2026-09-16	120.16	143.46	+1.25	NDSN ahead
2026-09-15	120.25	142.33	+1.29	NDSN ahead
2026-09-14	119.89	138.44	+1.39	NDSN ahead
2026-09-11	122.28	140.20	+1.43	NDSN ahead
2026-09-10	119.55	136.77	+1.45	NDSN ahead
2026-09-09	122.07	141.83	+1.41	NDSN ahead
2026-09-08	123.19	144.09	+1.40	NDSN ahead
2026-09-04	123.79	142.90	+1.46	NDSN ahead
2026-09-03	123.46	138.44	+1.58	NDSN ahead
2026-09-02	123.12	132.68	+1.74	NDSN ahead
2026-09-01	122.25	127.19	+1.89	NDSN ahead
2026-08-31	125.10	132.01	+1.86	NDSN ahead
2026-08-28	126.22	132.70	+1.89	NDSN ahead
2026-08-27	128.65	136.91	+1.87	NDSN ahead
2026-08-26	130.10	135.14	+1.98	NDSN ahead
2026-08-25	129.71	134.48	+2.01	NDSN ahead
2026-08-24	129.85	133.21	+2.08	NDSN ahead
2026-08-21	129.19	139.20	+1.91	NDSN ahead
2026-08-20	130.15	137.97	+2.00	NDSN ahead
2026-08-19	120.51	139.83	+1.66	NDSN ahead
2026-08-18	118.29	134.64	+1.75	NDSN ahead
2026-08-17	120.48	140.93	+1.66	NDSN ahead
2026-08-14	120.05	142.10	+1.63	NDSN ahead
2026-08-13	120.54	139.10	+1.75	NDSN ahead
2026-08-12	121.03	137.07	+1.85	NDSN ahead
2026-08-11	121.07	138.74	+1.82	NDSN ahead
2026-08-10	120.03	133.48	+1.97	NDSN ahead
2026-08-07	120.59	133.71	+2.00	NDSN ahead
2026-08-06	120.15	131.78	+2.07	NDSN ahead
2026-08-05	120.80	154.81	+1.43	NDSN ahead
2026-08-04	120.41	157.94	+1.35	NDSN ahead
2026-08-03	117.67	152.58	+1.41	NDSN ahead
2026-07-31	115.79	143.26	+1.62	NDSN ahead
2026-07-30	114.80	142.90	+1.61	NDSN ahead
2026-07-29	114.70	134.24	+1.89	NDSN ahead
2026-07-28	117.68	140.90	+1.82	NDSN ahead
2026-07-27	115.64	138.07	+1.85	NDSN ahead
2026-07-24	115.01	133.61	+1.99	NDSN ahead
2026-07-23	113.58	135.01	+1.91	NDSN ahead
2026-07-22	113.38	141.30	+1.73	NDSN ahead
2026-07-21	112.79	142.63	+1.68	NDSN ahead
2026-07-20	110.91	135.87	+1.84	NDSN ahead
2026-07-17	112.37	137.27	+1.87	NDSN ahead
2026-07-16	114.07	139.70	+1.88	NDSN ahead
2026-07-15	111.90	141.90	+1.74	NDSN ahead
2026-07-14	111.53	145.29	+1.64	NDSN ahead
2026-07-13	111.44	141.20	+1.78	NDSN ahead
2026-07-10	111.44	145.22	+1.67	NDSN ahead
2026-07-09	111.35	143.59	+1.73	NDSN ahead
2026-07-08	110.39	138.74	+1.87	NDSN ahead
2026-07-07	111.22	137.50	+1.97	NDSN ahead
2026-07-06	114.19	147.95	+1.76	NDSN ahead
2026-07-02	112.91	142.23	+1.91	NDSN ahead
2026-07-01	114.96	149.62	+1.77	NDSN ahead
2026-06-30	117.31	149.58	+1.87	NDSN ahead
2026-06-29	117.49	140.23	+2.21	NDSN ahead
2026-06-26	117.23	137.24	+2.32	NDSN ahead
2026-06-25	118.46	135.67	+2.44	NDSN ahead
2026-06-24	115.14	131.21	+2.48	NDSN ahead
2026-06-23	113.18	128.35	+2.53	NDSN ahead
2026-06-22	114.73	133.78	+2.42	NDSN ahead
2026-06-18	115.07	138.70	+2.26	NDSN ahead
2026-06-17	112.85	133.68	+2.35	NDSN ahead
2026-06-16	113.89	135.81	+2.31	NDSN ahead
2026-06-15	113.64	138.84	+2.17	NDSN ahead
2026-06-12	112.07	138.54	+2.11	NDSN ahead
2026-06-11	111.07	142.53	+1.90	NDSN ahead
2026-06-10	108.32	137.24	+1.96	NDSN ahead
2026-06-09	112.82	141.50	+2.00	NDSN ahead
2026-06-08	109.74	147.52	+1.65	NDSN ahead
2026-06-05	109.94	146.49	+1.69	NDSN ahead
2026-06-04	111.40	157.77	+1.38	NDSN ahead
2026-06-03	112.55	157.10	+1.44	NDSN ahead
2026-06-02	111.88	163.36	+1.21	NDSN ahead
2026-06-01	109.39	161.06	+1.16	NDSN ahead
2026-05-29	111.73	154.49	+1.45	NDSN ahead
2026-05-28	112.03	162.43	+1.22	NDSN ahead
2026-05-27	112.28	178.47	+0.78	NDSN ahead
2026-05-26	111.92	175.94	+0.83	NDSN ahead
2026-05-22	112.73	179.80	+0.75	NDSN ahead
2026-05-21	111.51	169.55	+0.96	NDSN ahead
2026-05-20	107.40	166.26	+0.87	NDSN ahead
2026-05-19	105.63	155.11	+1.09	NDSN ahead
2026-05-18	107.62	156.57	+1.12	NDSN ahead
2026-05-15	106.89	157.47	+1.06	NDSN ahead
2026-05-14	108.99	166.89	+0.87	NDSN ahead
2026-05-13	108.46	165.49	+0.87	NDSN ahead
2026-05-12	109.33	170.78	+0.76	NDSN ahead
2026-05-11	109.60	172.08	+0.72	NDSN ahead
2026-05-08	110.25	174.01	+0.68	NDSN ahead
2026-05-07	110.48	187.79	+0.36	near the usual relationship
2026-05-06	111.58	203.53	+0.05	near the usual relationship
2026-05-05	109.92	193.28	+0.19	near the usual relationship
2026-05-04	109.04	189.68	+0.22	near the usual relationship
2026-05-01	110.12	195.97	+0.12	near the usual relationship
2026-04-30	112.16	196.67	+0.17	near the usual relationship
2026-04-29	109.01	190.85	+0.17	near the usual relationship
2026-04-28	109.57	189.95	+0.19	near the usual relationship
2026-04-27	110.21	198.07	+0.05	near the usual relationship
2026-04-24	109.80	197.64	+0.03	near the usual relationship
2026-04-23	110.37	208.02	-0.15	near the usual relationship
2026-04-22	108.66	210.38	-0.26	near the usual relationship
2026-04-21	109.94	209.52	-0.21	near the usual relationship
2026-04-20	110.08	216.74	-0.33	near the usual relationship
2026-04-17	109.61	210.22	-0.25	near the usual relationship
2026-04-16	107.59	201.53	-0.17	near the usual relationship
2026-04-15	106.93	195.47	-0.09	near the usual relationship
2026-04-14	108.49	188.22	+0.08	near the usual relationship
2026-04-13	108.13	181.73	+0.18	near the usual relationship
2026-04-10	107.04	179.13	+0.19	near the usual relationship
2026-04-09	107.42	178.34	+0.20	near the usual relationship
2026-04-08	106.77	181.53	+0.11	near the usual relationship
2026-04-07	103.23	171.65	+0.18	near the usual relationship
2026-04-06	102.36	177.37	+0.03	near the usual relationship
2026-04-02	102.31	177.60	+0.02	near the usual relationship
2026-04-01	103.92	182.43	-0.03	near the usual relationship
2026-03-31	103.46	177.04	+0.04	near the usual relationship
2026-03-30	99.61	157.77	+0.28	near the usual relationship
2026-03-27	101.18	167.79	+0.13	near the usual relationship
2026-03-26	103.03	169.05	+0.15	near the usual relationship
2026-03-25	105.32	177.57	+0.06	near the usual relationship
2026-03-24	104.67	176.41	+0.05	near the usual relationship
2026-03-23	104.40	175.04	+0.06	near the usual relationship
2026-03-20	102.16	166.79	+0.13	near the usual relationship
2026-03-19	103.90	170.65	+0.11	near the usual relationship
2026-03-18	104.04	166.59	+0.18	near the usual relationship
2026-03-17	105.38	174.74	+0.06	near the usual relationship
2026-03-16	104.49	169.62	+0.12	near the usual relationship
2026-03-13	104.04	164.49	+0.19	near the usual relationship
2026-03-12	104.09	168.32	+0.12	near the usual relationship
2026-03-11	106.42	169.75	+0.15	near the usual relationship
2026-03-10	105.95	165.99	+0.19	near the usual relationship
2026-03-09	105.57	167.19	+0.15	near the usual relationship
2026-03-06	106.09	161.76	+0.25	near the usual relationship
2026-03-05	109.27	177.04	+0.08	near the usual relationship
2026-03-04	112.15	179.83	+0.10	near the usual relationship
2026-03-03	111.90	175.27	+0.15	near the usual relationship
2026-03-02	113.61	180.40	+0.11	near the usual relationship
2026-02-27	114.10	182.30	+0.09	near the usual relationship
2026-02-26	113.78	191.08	-0.05	near the usual relationship
2026-02-25	113.09	186.82	-0.02	near the usual relationship
2026-02-24	114.64	187.35	+0.01	near the usual relationship
2026-02-23	112.31	180.87	+0.04	near the usual relationship
2026-02-20	112.83	179.02	+0.08	near the usual relationship
2026-02-19	114.29	183.28	+0.05	near the usual relationship
2026-02-18	116.38	179.73	+0.14	near the usual relationship
2026-02-17	115.46	184.09	+0.05	near the usual relationship
2026-02-13	115.95	182.86	+0.08	near the usual relationship
2026-02-12	114.58	182.06	+0.06	near the usual relationship
2026-02-11	114.50	194.34	-0.12	near the usual relationship
2026-02-10	115.02	208.69	-0.31	near the usual relationship
2026-02-09	113.26	208.12	-0.34	near the usual relationship
2026-02-06	112.84	198.80	-0.24	near the usual relationship
2026-02-05	109.88	178.97	-0.03	near the usual relationship
2026-02-04	111.19	177.97	+0.01	near the usual relationship
2026-02-03	108.17	186.76	-0.19	near the usual relationship
2026-02-02	107.68	180.13	-0.12	near the usual relationship
2026-01-30	106.75	180.93	-0.15	near the usual relationship
2026-01-29	106.93	187.02	-0.24	near the usual relationship
2026-01-28	105.74	183.36	-0.22	near the usual relationship
2026-01-27	106.26	196.31	-0.39	near the usual relationship
2026-01-26	105.50	197.84	-0.43	near the usual relationship
2026-01-23	105.48	206.59	-0.55	SYM ahead
2026-01-22	106.52	211.35	-0.59	SYM ahead
2026-01-21	106.19	205.16	-0.52	SYM ahead
2026-01-20	103.46	210.05	-0.66	SYM ahead
2026-01-16	105.74	224.33	-0.78	SYM ahead
2026-01-15	105.73	223.16	-0.77	SYM ahead
2026-01-14	103.64	226.32	-0.87	SYM ahead
2026-01-13	102.97	231.85	-0.96	SYM ahead
2026-01-12	102.03	243.69	-1.12	SYM ahead
2026-01-09	101.57	235.67	-1.05	SYM ahead
2026-01-08	99.26	234.98	-1.11	SYM ahead
2026-01-07	98.32	231.68	-1.11	SYM ahead
2026-01-06	97.99	234.44	-1.16	SYM ahead
2026-01-05	95.61	228.35	-1.16	SYM ahead
2026-01-02	93.72	215.87	-1.08	SYM ahead
2025-12-31	93.49	198.00	-0.86	SYM ahead
2025-12-30	94.86	200.57	-0.87	SYM ahead
2025-12-29	94.54	199.07	-0.86	SYM ahead
2025-12-26	94.87	192.98	-0.78	SYM ahead
2025-12-24	94.67	193.99	-0.81	SYM ahead
2025-12-23	94.09	195.81	-0.85	SYM ahead
2025-12-22	94.63	197.37	-0.87	SYM ahead
2025-12-19	93.47	196.34	-0.89	SYM ahead
2025-12-18	92.68	193.64	-0.88	SYM ahead
2025-12-17	92.57	186.32	-0.79	SYM ahead
2025-12-16	91.91	208.62	-1.11	SYM ahead
2025-12-15	92.46	198.77	-0.98	SYM ahead
2025-12-12	91.55	204.43	-1.09	SYM ahead
2025-12-11	91.16	211.71	-1.20	SYM ahead
2025-12-10	91.89	200.50	-1.05	SYM ahead
2025-12-09	90.77	206.89	-1.17	SYM ahead
2025-12-08	91.17	201.26	-1.09	SYM ahead
2025-12-05	92.91	198.67	-1.02	SYM ahead
2025-12-04	92.71	201.26	-1.07	SYM ahead
2025-12-03	92.78	243.66	-1.57	SYM ahead
2025-12-02	91.97	222.80	-1.37	SYM ahead
2025-12-01	91.39	283.86	-2.04	SYM ahead
2025-11-28	92.41	278.77	-1.98	SYM ahead
2025-11-26	92.55	290.52	-2.12	SYM ahead
2025-11-25	92.67	257.20	-1.81	SYM ahead
2025-11-24	90.62	184.56	-1.00	SYM ahead
2025-11-21	90.79	178.50	-0.91	SYM ahead
2025-11-20	88.69	182.10	-1.03	SYM ahead
2025-11-19	88.49	179.57	-1.01	SYM ahead
2025-11-18	88.15	176.17	-0.98	SYM ahead
2025-11-17	88.58	189.32	-1.17	SYM ahead
2025-11-14	89.54	193.61	-1.21	SYM ahead
2025-11-13	90.66	198.07	-1.24	SYM ahead
2025-11-12	91.86	210.02	-1.38	SYM ahead
2025-11-11	91.93	220.23	-1.52	SYM ahead
2025-11-10	91.29	235.34	-1.73	SYM ahead
2025-11-07	90.45	232.28	-1.74	SYM ahead
2025-11-06	89.66	233.54	-1.80	SYM ahead
2025-11-05	90.72	259.80	-2.08	SYM ahead
2025-11-04	89.56	251.58	-2.06	SYM ahead
2025-11-03	89.30	272.31	-2.32	SYM ahead
2025-10-31	90.19	269.38	-2.29	SYM ahead
2025-10-30	90.13	257.10	-2.19	SYM ahead
2025-10-29	90.67	258.70	-2.22	SYM ahead
2025-10-28	91.50	228.29	-1.86	SYM ahead
2025-10-27	92.68	235.24	-1.93	SYM ahead
2025-10-24	91.73	216.64	-1.74	SYM ahead
2025-10-23	91.75	225.82	-1.88	SYM ahead
2025-10-22	91.05	214.44	-1.77	SYM ahead
2025-10-21	92.44	232.58	-1.99	SYM ahead
2025-10-20	91.64	234.54	-2.07	SYM ahead
2025-10-17	90.73	228.02	-2.04	SYM ahead
2025-10-16	90.21	240.23	-2.24	SYM ahead
2025-10-15	90.15	250.78	-2.41	SYM ahead
2025-10-14	90.75	245.06	-2.35	SYM ahead
2025-10-13	89.64	234.64	-2.29	SYM ahead
2025-10-10	88.72	212.18	-2.03	SYM ahead
2025-10-09	90.90	223.43	-2.14	SYM ahead
2025-10-08	91.11	229.05	-2.24	SYM ahead
2025-10-07	89.77	227.69	-2.29	SYM ahead
2025-10-06	91.04	225.76	-2.25	SYM ahead
2025-10-03	90.78	209.98	-2.05	SYM ahead
2025-10-02	90.31	211.71	-2.12	SYM ahead
2025-10-01	88.87	193.34	-1.89	SYM ahead
2025-09-30	88.25	179.37	-1.69	SYM ahead
2025-09-29	88.40	178.80	-1.69	SYM ahead
2025-09-26	88.27	173.51	-1.61	SYM ahead
2025-09-25	86.14	171.55	-1.67	SYM ahead
2025-09-24	86.76	176.44	-1.75	SYM ahead
2025-09-23	87.43	180.43	-1.82	SYM ahead
2025-09-22	87.62	202.10	-2.21	SYM ahead
2025-09-19	87.52	189.85	-2.03	SYM ahead
2025-09-18	88.51	170.58	-1.66	SYM ahead
2025-09-17	86.96	163.66	-1.59	SYM ahead
2025-09-16	87.93	171.75	-1.73	SYM ahead
2025-09-15	87.85	171.01	-1.73	SYM ahead
2025-09-12	86.78	158.90	-1.53	SYM ahead
2025-09-11	88.65	162.76	-1.55	SYM ahead
2025-09-10	86.99	162.70	-1.62	SYM ahead
2025-09-09	86.37	161.33	-1.63	SYM ahead
2025-09-08	87.93	158.39	-1.52	SYM ahead
2025-09-05	87.50	160.57	-1.59	SYM ahead
2025-09-04	87.88	150.48	-1.37	SYM ahead
2025-09-03	86.31	151.28	-1.45	SYM ahead
2025-09-02	86.60	151.71	-1.46	SYM ahead
2025-08-29	87.53	157.84	-1.57	SYM ahead
2025-08-28	87.36	164.19	-1.72	SYM ahead
2025-08-27	87.75	158.84	-1.61	SYM ahead
2025-08-26	88.02	159.70	-1.64	SYM ahead
2025-08-25	87.80	152.21	-1.50	SYM ahead
2025-08-22	88.33	153.84	-1.53	SYM ahead
2025-08-21	85.52	146.09	-1.48	SYM ahead
2025-08-20	83.03	148.09	-1.64	SYM ahead
2025-08-19	84.57	155.74	-1.76	SYM ahead
2025-08-18	83.25	170.05	-2.13	SYM ahead
2025-08-15	83.00	174.94	-2.27	SYM ahead
2025-08-14	84.47	175.47	-2.25	SYM ahead
2025-08-13	86.16	178.64	-2.28	SYM ahead
2025-08-12	83.91	172.15	-2.27	SYM ahead
2025-08-11	81.90	170.52	-2.36	SYM ahead
2025-08-08	82.06	185.06	-2.68	SYM ahead
2025-08-07	82.46	180.40	-2.62	SYM ahead
2025-08-06	82.10	209.32	-3.25	SYM ahead
2025-08-05	83.21	210.35	-3.30	SYM ahead
2025-08-04	82.61	188.25	-2.97	SYM ahead
2025-08-01	81.37	169.22	-2.68	SYM ahead
2025-07-31	83.30	179.53	-2.86	SYM ahead
2025-07-30	83.90	175.54	-2.79	SYM ahead
2025-07-29	85.63	168.75	-2.59	SYM ahead
2025-07-28	85.31	176.64	-2.83	SYM ahead
2025-07-25	85.87	176.34	-2.84	SYM ahead
2025-07-24	85.22	177.77	-2.95	SYM ahead
2025-07-23	85.56	179.97	-3.04	SYM ahead
2025-07-22	84.89	164.39	-2.72	SYM ahead
2025-07-21	83.33	165.32	-2.87	SYM ahead
2025-07-18	84.41	181.50	-3.28	SYM ahead
2025-07-17	84.56	180.30	-3.30	SYM ahead
2025-07-16	82.83	175.57	-3.34	SYM ahead
2025-07-15	83.56	161.56	-2.97	SYM ahead
2025-07-14	84.94	158.20	-2.84	SYM ahead
2025-07-11	85.87	156.61	-2.77	SYM ahead
2025-07-10	86.78	159.10	-2.83	SYM ahead
2025-07-09	86.34	156.94	-2.83	SYM ahead
2025-07-08	86.13	152.05	-2.72	SYM ahead
2025-07-07	85.08	157.34	-3.00	SYM ahead
2025-07-03	86.63	159.43	-3.02	SYM ahead
2025-07-02	86.62	140.43	-2.41	SYM ahead
2025-07-01	85.73	132.05	-2.17	SYM ahead
2025-06-30	83.36	129.28	-2.23	SYM ahead
2025-06-27	83.65	123.96	-2.01	SYM ahead
2025-06-26	83.57	123.66	-2.02	SYM ahead
2025-06-25	82.72	116.17	-1.76	SYM ahead
2025-06-24	82.96	107.15	-1.33	SYM ahead
2025-06-23	82.83	109.45	-1.45	SYM ahead
2025-06-20	81.48	113.14	-1.71	SYM ahead
2025-06-18	83.03	118.80	-1.88	SYM ahead
2025-06-17	83.26	103.69	-1.14	SYM ahead
2025-06-16	84.92	107.99	-1.25	SYM ahead
2025-06-13	83.35	93.08	-0.56	SYM ahead
2025-06-12	84.78	93.21	-0.47	near the usual relationship
2025-06-11	85.27	95.84	-0.58	SYM ahead
2025-06-10	86.91	93.94	-0.37	near the usual relationship
2025-06-09	85.27	100.63	-0.81	SYM ahead
2025-06-06	83.51	99.20	-0.83	SYM ahead
2025-06-05	83.04	97.37	-0.76	SYM ahead
2025-06-04	82.91	98.90	-0.84	SYM ahead
2025-06-03	82.56	98.10	-0.81	SYM ahead
2025-06-02	82.51	97.64	-0.78	SYM ahead
2025-05-30	82.43	95.41	-0.66	SYM ahead
2025-05-29	81.26	96.31	-0.76	SYM ahead
2025-05-28	76.11	98.97	-1.21	SYM ahead
2025-05-27	77.00	102.20	-1.30	SYM ahead
2025-05-23	75.20	95.69	-1.09	SYM ahead
2025-05-22	76.15	97.94	-1.13	SYM ahead
2025-05-21	76.40	88.99	-0.65	SYM ahead
2025-05-20	78.70	93.98	-0.76	SYM ahead
2025-05-19	79.50	94.18	-0.72	SYM ahead
2025-05-16	79.85	92.08	-0.59	SYM ahead
2025-05-15	78.20	89.65	-0.56	SYM ahead
2025-05-14	78.21	93.18	-0.73	SYM ahead
2025-05-13	78.78	88.85	-0.47	near the usual relationship
2025-05-12	78.94	86.52	-0.33	near the usual relationship
2025-05-09	74.90	82.36	-0.34	near the usual relationship
2025-05-08	75.48	79.67	-0.14	near the usual relationship
2025-05-07	73.61	74.74	+0.04	near the usual relationship
2025-05-06	73.27	76.37	-0.08	near the usual relationship
2025-05-05	74.23	76.34	-0.01	near the usual relationship
2025-05-02	74.99	76.74	+0.01	near the usual relationship
2025-05-01	74.02	73.31	+0.17	near the usual relationship
2025-04-30	73.71	71.81	+0.25	near the usual relationship
2025-04-29	73.40	73.14	+0.15	near the usual relationship
2025-04-28	73.38	73.21	+0.15	near the usual relationship
2025-04-25	73.19	72.98	+0.16	near the usual relationship
2025-04-24	73.67	73.41	+0.16	near the usual relationship
2025-04-23	71.83	70.42	+0.24	near the usual relationship
2025-04-22	71.18	67.49	+0.40	near the usual relationship
2025-04-21	68.87	65.29	+0.40	near the usual relationship
2025-04-17	70.31	67.92	+0.32	near the usual relationship
2025-04-16	70.26	67.39	+0.36	near the usual relationship
2025-04-15	71.19	69.08	+0.31	near the usual relationship
2025-04-14	71.72	67.92	+0.43	near the usual relationship
2025-04-11	72.15	68.65	+0.41	near the usual relationship
2025-04-10	70.40	66.62	+0.44	near the usual relationship
2025-04-09	72.83	71.15	+0.31	near the usual relationship
2025-04-08	65.14	59.50	+0.61	NDSN ahead
2025-04-07	66.42	61.76	+0.53	NDSN ahead
2025-04-04	68.72	58.24	+0.94	NDSN ahead
2025-04-03	72.48	60.70	+1.00	NDSN ahead
2025-04-02	79.07	73.31	+0.57	NDSN ahead
2025-04-01	78.14	69.55	+0.75	NDSN ahead
2025-03-31	78.44	67.25	+0.92	NDSN ahead
2025-03-28	77.95	67.09	+0.91	NDSN ahead
2025-03-27	80.32	71.58	+0.77	NDSN ahead
2025-03-26	80.32	73.71	+0.65	NDSN ahead
2025-03-25	80.08	77.80	+0.41	near the usual relationship
2025-03-24	80.72	78.20	+0.43	near the usual relationship
2025-03-21	79.27	74.51	+0.56	NDSN ahead
2025-03-20	79.96	72.05	+0.75	NDSN ahead
2025-03-19	81.10	71.55	+0.84	NDSN ahead
2025-03-18	81.09	69.85	+0.95	NDSN ahead
2025-03-17	81.92	74.24	+0.74	NDSN ahead
2025-03-14	80.65	72.05	+0.81	NDSN ahead
2025-03-13	78.54	68.42	+0.92	NDSN ahead
2025-03-12	79.62	71.05	+0.83	NDSN ahead
2025-03-11	80.11	70.38	+0.90	NDSN ahead
2025-03-10	82.59	70.45	+1.03	NDSN ahead
2025-03-07	83.72	77.50	+0.70	NDSN ahead
2025-03-06	82.26	73.08	+0.88	NDSN ahead
2025-03-05	81.83	75.11	+0.75	NDSN ahead
2025-03-04	80.32	72.78	+0.81	NDSN ahead
2025-03-03	80.53	70.05	+0.98	NDSN ahead
2025-02-28	81.77	75.54	+0.74	NDSN ahead
2025-02-27	81.46	76.34	+0.68	NDSN ahead
2025-02-26	82.04	78.94	+0.58	NDSN ahead
2025-02-25	83.59	78.04	+0.71	NDSN ahead
2025-02-24	82.75	81.13	+0.51	NDSN ahead
2025-02-21	83.77	81.43	+0.55	NDSN ahead
2025-02-20	84.94	86.82	+0.35	near the usual relationship
2025-02-19	84.66	89.05	+0.23	near the usual relationship
2025-02-18	85.36	92.55	+0.11	near the usual relationship
2025-02-14	84.15	90.05	+0.17	near the usual relationship
2025-02-13	84.49	92.25	+0.09	near the usual relationship
2025-02-12	83.34	96.87	-0.16	near the usual relationship
2025-02-11	84.25	96.97	-0.12	near the usual relationship
2025-02-10	84.30	93.81	+0.02	near the usual relationship
2025-02-07	83.37	87.75	+0.25	near the usual relationship
2025-02-06	83.72	86.49	+0.34	near the usual relationship
2025-02-05	83.82	102.90	-0.36	near the usual relationship
2025-02-04	84.43	100.83	-0.24	near the usual relationship
2025-02-03	84.24	97.20	-0.10	near the usual relationship
2025-01-31	85.63	97.67	-0.05	near the usual relationship
2025-01-30	85.79	99.23	-0.10	near the usual relationship
2025-01-29	84.76	97.37	-0.07	near the usual relationship
2025-01-28	85.74	98.37	-0.06	near the usual relationship
2025-01-27	87.13	92.31	+0.26	near the usual relationship
2025-01-24	84.80	104.43	-0.34	near the usual relationship
2025-01-23	85.35	111.48	-0.57	SYM ahead
2025-01-22	85.32	110.78	-0.54	SYM ahead
2025-01-21	85.62	111.25	-0.54	SYM ahead
2025-01-17	84.14	99.03	-0.15	near the usual relationship
2025-01-16	83.14	105.89	-0.46	near the usual relationship
2025-01-15	82.23	89.08	+0.19	near the usual relationship
2025-01-14	80.65	83.63	+0.36	near the usual relationship
2025-01-13	79.26	81.43	+0.41	near the usual relationship
2025-01-10	77.82	85.16	+0.16	near the usual relationship
2025-01-08	78.58	88.02	+0.08	near the usual relationship
2025-01-07	79.88	85.16	+0.27	near the usual relationship
2025-01-06	80.48	88.85	+0.14	near the usual relationship
2025-01-03	80.71	85.32	+0.32	near the usual relationship
2025-01-02	79.70	82.23	+0.42	near the usual relationship
2024-12-31	81.36	78.90	+0.66	NDSN ahead
2024-12-30	81.20	81.06	+0.56	NDSN ahead
2024-12-27	82.15	80.13	+0.65	NDSN ahead
2024-12-26	82.94	82.60	+0.58	NDSN ahead
2024-12-24	82.55	81.70	+0.61	NDSN ahead
2024-12-23	81.39	84.96	+0.41	near the usual relationship
2024-12-20	81.55	79.83	+0.66	NDSN ahead
2024-12-19	81.25	76.67	+0.80	NDSN ahead
2024-12-18	82.74	79.77	+0.73	NDSN ahead
2024-12-17	87.11	84.96	+0.69	NDSN ahead
2024-12-16	87.12	89.78	+0.50	NDSN ahead
2024-12-13	88.06	89.42	+0.56	NDSN ahead
2024-12-12	89.09	89.88	+0.59	NDSN ahead
2024-12-11	97.04	88.79	+0.95	NDSN ahead
2024-12-10	98.33	89.05	+1.00	NDSN ahead
2024-12-09	99.32	95.01	+0.80	NDSN ahead
2024-12-06	98.92	93.01	+0.87	NDSN ahead
2024-12-05	98.99	92.88	+0.89	NDSN ahead
2024-12-04	99.76	86.96	+1.16	NDSN ahead
2024-12-03	100.49	84.86	+1.28	NDSN ahead
2024-12-02	100.77	85.36	+1.28	NDSN ahead
2024-11-29	101.49	89.52	+1.14	NDSN ahead
2024-11-27	100.85	79.85	+1.54	NDSN ahead
2024-11-26	100.61	124.49	-0.04	near the usual relationship
2024-11-25	102.51	124.69	+0.02	near the usual relationship
2024-11-22	101.59	129.07	-0.12	near the usual relationship
2024-11-21	99.77	120.70	+0.06	near the usual relationship
2024-11-20	98.21	120.83	+0.00	near the usual relationship
2024-11-19	97.16	129.85	-0.29	near the usual relationship
2024-11-18	98.55	101.70	+0.61	NDSN ahead
2024-11-15	99.07	98.14	+0.76	NDSN ahead
2024-11-14	99.76	99.60	+0.74	NDSN ahead
2024-11-13	100.73	104.79	+0.60	NDSN ahead
2024-11-12	100.17	114.21	+0.28	near the usual relationship
2024-11-11	101.57	116.14	+0.27	near the usual relationship
2024-11-08	101.66	112.98	+0.37	near the usual relationship
2024-11-07	101.32	108.29	+0.51	NDSN ahead
2024-11-06	102.80	105.26	+0.67	NDSN ahead
2024-11-05	98.53	97.50	+0.79	NDSN ahead
2024-11-04	96.26	94.94	+0.81	NDSN ahead
2024-11-01	96.83	94.64	+0.84	NDSN ahead
2024-10-31	96.39	92.48	+0.92	NDSN ahead
2024-10-30	97.55	99.70	+0.70	NDSN ahead
2024-10-29	96.88	98.24	+0.73	NDSN ahead
2024-10-28	97.36	94.54	+0.89	NDSN ahead
2024-10-25	96.47	91.25	+0.99	NDSN ahead
2024-10-24	96.78	95.11	+0.86	NDSN ahead
2024-10-23	97.20	94.21	+0.92	NDSN ahead
2024-10-22	97.64	98.07	+0.80	NDSN ahead
2024-10-21	98.51	100.30	+0.76	NDSN ahead
2024-10-18	100.00	100.00	+0.83	NDSN ahead

One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Nov 19, 2024 (NDSN -1.4%, SYM +27.7%); Nov 27, 2024 (NDSN +0.2%, SYM -35.9%); Nov 25, 2025 (NDSN +2.3%, SYM +39.4%); Dec 2, 2025 (NDSN +0.6%, SYM -21.5%).

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

NDSN and SYM at a glance

NDSN Nordson Corporation

Listing: Nasdaq · SEC CIK 72331
Industry: Industrial Machinery/Components · SIC 3569 General Industrial Machinery & Equipment, NEC
Market value: $18.0B
Price history: 2,521 daily closes, Oct 12, 2016 to Oct 22, 2026

SYM Symbotic Inc.

Listing: Nasdaq · SEC CIK 1837240
Industry: Industrial Machinery/Components · SIC 3569 General Industrial Machinery & Equipment, NEC
Market value: $23.6B
Price history: 1,414 daily closes, Mar 9, 2021 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
NDSN / RRX	Watchlist	NDSN by 1.98 sd	SIC 3569 General Industrial Machinery & Equipment, NEC
SYM / RRX	Watchlist	neither	SIC 3569 General Industrial Machinery & Equipment, 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.