SIC 3825 Instruments For Meas & Testing of Electricity & Elec Signals

Teradyne Inc. vs Veralto Corp

WatchlistTER / VLTOPrices through Oct 22, 2026

Why these are rivals: #1 and #2 by market value ($52B vs $24B) with SEC SIC 3825 (Instruments For Meas & Testing of Electricity & Elec Signals).

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: -2.55 (needs <= -2.873 (5% critical value))

Business leadership

VLTO is the larger business

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

Year	TER	VLTO	Larger
2025	$3.2B	$5.5B	VLTO
2024	$2.8B	$5.2B	VLTO
2023	$2.7B	$5.0B	VLTO
2022	$3.2B	$4.9B	VLTO
2021	$3.7B	$4.7B	VLTO
2020	$3.1B	-	-

VLTO led in every year with figures for both. Market value: TER $52.5B, VLTO $24.5B.

Stock leadership

Neither is clearly ahead

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

The gap is 0.22 standard deviations, close to the usual relationship. 0 lead switches in the last year.

Price change	3 mo	6 mo	12 mo
TER	-11.8%	-23.0%	+115.4%
VLTO	+14.0%	+18.1%	+1.1%

Relationship

Not a measured twin today

Only these tests can make a pair tradable on paper.

Pass: Aligned sessions: 771 (needs >= 254)
Fail: Co-movement: daily return correlation, 252 sessions: -0.24 (needs >= 0.60)
Fail: Mean reversion: ADF t-statistic of the spread: -2.55 (needs <= -2.873 (5% critical value))
Pass: Speed: half-life of the spread, sessions: 28.91 (needs <= 63)
Data: Both stocks current

The twins over two years

Prices side by side, and the gap between them

TER Teradyne Inc. VLTO Veralto CorpPrice 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: TER relative to VLTO, against the 252 sessions before each day. Above 0: TER ahead; below 0: VLTO ahead. Lines at +/-2 (idea) and +/-4 (stop).

Data table (504 sessions)

Date	TER index	VLTO index	z	Ahead
2026-10-22	244.96	92.34	-0.22	near the usual relationship
2026-10-21	274.11	89.18	+0.21	near the usual relationship
2026-10-20	267.05	89.23	+0.14	near the usual relationship
2026-10-19	266.21	88.44	+0.17	near the usual relationship
2026-10-16	257.85	88.94	+0.07	near the usual relationship
2026-10-15	272.30	88.87	+0.23	near the usual relationship
2026-10-14	285.18	88.61	+0.37	near the usual relationship
2026-10-13	301.72	87.14	+0.58	TER ahead
2026-10-12	304.55	86.44	+0.63	TER ahead
2026-10-09	319.49	85.33	+0.79	TER ahead
2026-10-08	316.34	84.93	+0.79	TER ahead
2026-10-07	326.71	84.27	+0.90	TER ahead
2026-10-06	341.42	84.90	+1.00	TER ahead
2026-10-05	352.69	85.01	+1.08	TER ahead
2026-10-02	356.27	83.35	+1.17	TER ahead
2026-10-01	329.89	83.27	+0.98	TER ahead
2026-09-30	318.08	83.03	+0.90	TER ahead
2026-09-29	319.76	85.08	+0.86	TER ahead
2026-09-28	318.39	84.68	+0.86	TER ahead
2026-09-25	316.07	85.51	+0.83	TER ahead
2026-09-24	307.60	84.68	+0.79	TER ahead
2026-09-23	308.74	84.40	+0.81	TER ahead
2026-09-22	316.32	84.32	+0.88	TER ahead
2026-09-21	302.71	83.79	+0.79	TER ahead
2026-09-18	294.72	83.18	+0.75	TER ahead
2026-09-17	280.17	83.85	+0.62	TER ahead
2026-09-16	270.67	84.29	+0.53	TER ahead
2026-09-15	264.08	84.05	+0.49	near the usual relationship
2026-09-14	261.19	84.77	+0.45	near the usual relationship
2026-09-11	301.27	82.83	+0.83	TER ahead
2026-09-10	293.71	82.26	+0.79	TER ahead
2026-09-09	304.42	83.38	+0.85	TER ahead
2026-09-08	295.19	84.09	+0.77	TER ahead
2026-09-04	283.27	84.78	+0.66	TER ahead
2026-09-03	268.64	86.16	+0.52	TER ahead
2026-09-02	271.04	85.57	+0.56	TER ahead
2026-09-01	266.15	85.43	+0.53	TER ahead
2026-08-31	277.55	86.77	+0.59	TER ahead
2026-08-28	281.63	86.76	+0.63	TER ahead
2026-08-27	295.19	86.59	+0.74	TER ahead
2026-08-26	288.08	86.88	+0.69	TER ahead
2026-08-25	290.73	86.95	+0.71	TER ahead
2026-08-24	289.51	87.47	+0.70	TER ahead
2026-08-21	298.11	86.95	+0.77	TER ahead
2026-08-20	303.99	87.55	+0.81	TER ahead
2026-08-19	301.21	88.12	+0.78	TER ahead
2026-08-18	320.76	84.57	+1.00	TER ahead
2026-08-17	351.59	85.17	+1.18	TER ahead
2026-08-14	332.27	85.99	+1.05	TER ahead
2026-08-13	325.71	85.86	+1.02	TER ahead
2026-08-12	319.53	85.10	+1.01	TER ahead
2026-08-11	301.14	86.24	+0.87	TER ahead
2026-08-10	289.67	85.48	+0.82	TER ahead
2026-08-07	300.94	86.57	+0.87	TER ahead
2026-08-06	305.37	86.29	+0.91	TER ahead
2026-08-05	308.94	85.53	+0.96	TER ahead
2026-08-04	320.18	84.90	+1.05	TER ahead
2026-08-03	290.23	83.47	+0.90	TER ahead
2026-07-31	291.72	82.90	+0.93	TER ahead
2026-07-30	289.98	83.37	+0.91	TER ahead
2026-07-29	253.42	87.00	+0.58	TER ahead
2026-07-28	254.40	86.68	+0.60	TER ahead
2026-07-27	265.61	82.99	+0.77	TER ahead
2026-07-24	277.63	81.00	+0.91	TER ahead
2026-07-23	296.53	80.55	+1.05	TER ahead
2026-07-22	293.13	80.24	+1.04	TER ahead
2026-07-21	296.76	79.38	+1.09	TER ahead
2026-07-20	264.80	82.00	+0.83	TER ahead
2026-07-17	255.76	82.58	+0.75	TER ahead
2026-07-16	255.71	82.93	+0.75	TER ahead
2026-07-15	271.44	80.11	+0.93	TER ahead
2026-07-14	280.25	80.90	+0.98	TER ahead
2026-07-13	270.64	81.79	+0.90	TER ahead
2026-07-10	285.31	81.60	+1.01	TER ahead
2026-07-09	287.81	81.07	+1.04	TER ahead
2026-07-08	278.94	80.76	+1.00	TER ahead
2026-07-07	272.22	81.95	+0.94	TER ahead
2026-07-06	301.11	81.41	+1.14	TER ahead
2026-07-02	292.84	81.47	+1.10	TER ahead
2026-07-01	339.05	79.52	+1.41	TER ahead
2026-06-30	383.88	78.06	+1.67	TER ahead
2026-06-29	367.51	77.75	+1.62	TER ahead
2026-06-26	346.60	79.00	+1.50	TER ahead
2026-06-25	374.45	77.46	+1.68	TER ahead
2026-06-24	338.94	75.99	+1.55	TER ahead
2026-06-23	333.32	74.47	+1.57	TER ahead
2026-06-22	362.58	73.02	+1.77	TER ahead
2026-06-18	347.45	73.96	+1.69	TER ahead
2026-06-17	324.15	72.86	+1.61	TER ahead
2026-06-16	324.78	73.93	+1.60	TER ahead
2026-06-15	343.07	72.78	+1.74	TER ahead
2026-06-12	319.90	73.38	+1.61	TER ahead
2026-06-11	302.60	72.75	+1.54	TER ahead
2026-06-10	275.78	72.73	+1.39	TER ahead
2026-06-09	292.93	75.85	+1.43	TER ahead
2026-06-08	297.28	74.74	+1.49	TER ahead
2026-06-05	283.98	75.75	+1.40	TER ahead
2026-06-04	322.80	74.60	+1.67	TER ahead
2026-06-03	325.03	74.53	+1.70	TER ahead
2026-06-02	311.50	72.56	+1.68	TER ahead
2026-06-01	293.14	73.59	+1.56	TER ahead
2026-05-29	296.98	72.39	+1.63	TER ahead
2026-05-28	303.59	73.49	+1.66	TER ahead
2026-05-27	298.18	74.35	+1.62	TER ahead
2026-05-26	308.74	75.75	+1.66	TER ahead
2026-05-22	284.39	76.41	+1.51	TER ahead
2026-05-21	280.42	75.67	+1.51	TER ahead
2026-05-20	273.20	75.87	+1.47	TER ahead
2026-05-19	255.09	76.12	+1.35	TER ahead
2026-05-18	254.72	76.33	+1.36	TER ahead
2026-05-15	268.07	74.67	+1.50	TER ahead
2026-05-14	282.89	75.06	+1.60	TER ahead
2026-05-13	288.31	75.57	+1.64	TER ahead
2026-05-12	284.39	76.35	+1.61	TER ahead
2026-05-11	290.89	76.21	+1.67	TER ahead
2026-05-08	285.44	76.44	+1.64	TER ahead
2026-05-07	280.95	78.11	+1.59	TER ahead
2026-05-06	303.46	76.48	+1.79	TER ahead
2026-05-05	283.32	77.58	+1.65	TER ahead
2026-05-04	267.72	77.68	+1.56	TER ahead
2026-05-01	274.06	77.14	+1.63	TER ahead
2026-04-30	272.51	77.64	+1.62	TER ahead
2026-04-29	243.04	78.76	+1.39	TER ahead
2026-04-28	301.59	75.35	+1.89	TER ahead
2026-04-27	318.95	76.72	+1.98	TER ahead
2026-04-24	331.70	78.01	+2.05	TER ahead
2026-04-23	318.15	78.16	+1.99	TER ahead
2026-04-22	305.60	78.35	+1.93	TER ahead
2026-04-21	301.44	78.94	+1.91	TER ahead
2026-04-20	297.69	79.48	+1.90	TER ahead
2026-04-17	301.79	80.09	+1.93	TER ahead
2026-04-16	290.32	79.70	+1.88	TER ahead
2026-04-15	289.56	81.27	+1.86	TER ahead
2026-04-14	290.00	81.33	+1.88	TER ahead
2026-04-13	293.66	79.97	+1.96	TER ahead
2026-04-10	291.96	78.79	+2.00	TER ahead
2026-04-09	288.96	78.89	+2.00	TER ahead
2026-04-08	284.27	79.64	+1.97	TER ahead
2026-04-07	254.27	78.19	+1.81	TER ahead
2026-04-06	250.26	78.11	+1.80	TER ahead
2026-04-02	245.64	77.47	+1.80	TER ahead
2026-04-01	247.70	77.52	+1.83	TER ahead
2026-03-31	235.21	77.83	+1.74	TER ahead
2026-03-30	219.26	75.71	+1.67	TER ahead
2026-03-27	234.54	74.85	+1.85	TER ahead
2026-03-26	235.91	76.05	+1.85	TER ahead
2026-03-25	256.55	76.68	+2.03	TER ahead
2026-03-24	254.00	76.46	+2.04	TER ahead
2026-03-23	241.13	77.90	+1.91	TER ahead
2026-03-20	230.74	78.02	+1.84	TER ahead
2026-03-19	239.92	78.93	+1.92	TER ahead
2026-03-18	238.08	79.22	+1.92	TER ahead
2026-03-17	237.54	80.10	+1.91	TER ahead
2026-03-16	236.65	80.29	+1.92	TER ahead
2026-03-13	227.25	79.40	+1.88	TER ahead
2026-03-12	227.40	79.01	+1.91	TER ahead
2026-03-11	239.60	80.43	+2.01	TER ahead
2026-03-10	238.63	80.80	+2.02	TER ahead
2026-03-09	235.20	82.80	+1.95	TER ahead
2026-03-06	216.64	83.04	+1.78	TER ahead
2026-03-05	242.45	83.79	+2.04	TER ahead
2026-03-04	242.15	83.36	+2.08	TER ahead
2026-03-03	241.37	84.19	+2.07	TER ahead
2026-03-02	258.51	85.58	+2.22	TER ahead
2026-02-27	253.91	85.77	+2.21	TER ahead
2026-02-26	263.96	86.29	+2.32	TER ahead
2026-02-25	271.99	83.07	+2.52	TER ahead
2026-02-24	261.10	82.44	+2.48	TER ahead
2026-02-23	252.70	81.51	+2.47	TER ahead
2026-02-20	257.74	81.94	+2.54	TER ahead
2026-02-19	250.63	82.73	+2.49	TER ahead
2026-02-18	249.78	82.99	+2.52	TER ahead
2026-02-17	242.41	81.16	+2.54	TER ahead
2026-02-13	249.65	81.46	+2.65	TER ahead
2026-02-12	246.77	80.97	+2.69	TER ahead
2026-02-11	255.04	83.63	+2.74	TER ahead
2026-02-10	241.90	81.70	+2.71	TER ahead
2026-02-09	245.96	81.59	+2.81	TER ahead
2026-02-06	238.11	79.73	+2.84	TER ahead
2026-02-05	215.11	79.92	+2.60	TER ahead
2026-02-04	213.48	80.47	+2.60	TER ahead
2026-02-03	224.52	85.78	+2.61	TER ahead
2026-02-02	197.98	89.33	+2.16	TER ahead
2026-01-30	191.25	87.13	+2.16	TER ahead
2026-01-29	199.83	86.86	+2.33	TER ahead
2026-01-28	198.73	86.90	+2.35	TER ahead
2026-01-27	189.57	88.52	+2.17	TER ahead
2026-01-26	183.87	89.69	+2.07	TER ahead
2026-01-23	181.83	89.18	+2.07	TER ahead
2026-01-22	181.80	89.33	+2.09	TER ahead
2026-01-21	183.98	89.71	+2.14	TER ahead
2026-01-20	177.71	89.01	+2.08	TER ahead
2026-01-16	181.01	90.38	+2.11	TER ahead
2026-01-15	180.66	90.83	+2.11	TER ahead
2026-01-14	182.63	90.05	+2.20	TER ahead
2026-01-13	181.90	89.59	+2.24	TER ahead
2026-01-12	178.01	89.70	+2.19	TER ahead
2026-01-09	172.37	90.43	+2.07	TER ahead
2026-01-08	171.62	89.56	+2.11	TER ahead
2026-01-07	176.52	88.30	+2.29	TER ahead
2026-01-06	181.56	87.98	+2.43	TER ahead
2026-01-05	174.15	87.32	+2.35	TER ahead
2026-01-02	164.68	86.71	+2.20	TER ahead
2025-12-31	153.57	87.83	+1.93	TER ahead
2025-12-30	156.04	89.23	+1.95	TER ahead
2025-12-29	156.59	89.35	+1.98	TER ahead
2025-12-26	157.81	89.57	+2.02	TER ahead
2025-12-24	157.51	90.04	+2.02	TER ahead
2025-12-23	157.49	90.35	+2.03	TER ahead
2025-12-22	156.47	89.80	+2.05	TER ahead
2025-12-19	154.86	88.55	+2.09	TER ahead
2025-12-18	151.10	88.71	+2.01	TER ahead
2025-12-17	146.95	88.07	+1.95	TER ahead
2025-12-16	152.56	87.45	+2.15	TER ahead
2025-12-15	154.47	88.27	+2.19	TER ahead
2025-12-12	153.42	86.89	+2.26	TER ahead
2025-12-11	161.83	86.91	+2.50	TER ahead
2025-12-10	161.86	86.05	+2.59	TER ahead
2025-12-09	158.66	86.63	+2.52	TER ahead
2025-12-08	161.05	87.69	+2.58	TER ahead
2025-12-05	159.29	89.93	+2.47	TER ahead
2025-12-04	157.59	90.57	+2.43	TER ahead
2025-12-03	154.78	89.95	+2.42	TER ahead
2025-12-02	150.70	89.61	+2.36	TER ahead
2025-12-01	142.52	88.88	+2.19	TER ahead
2025-11-28	144.31	89.10	+2.26	TER ahead
2025-11-26	142.32	89.15	+2.23	TER ahead
2025-11-25	133.03	91.51	+1.83	TER ahead
2025-11-24	131.68	86.39	+2.07	TER ahead
2025-11-21	126.08	87.13	+1.86	TER ahead
2025-11-20	123.69	85.64	+1.87	TER ahead
2025-11-19	133.47	86.50	+2.20	TER ahead
2025-11-18	129.90	86.09	+2.13	TER ahead
2025-11-17	132.85	86.33	+2.25	TER ahead
2025-11-14	134.85	86.95	+2.32	TER ahead
2025-11-13	134.55	86.76	+2.36	TER ahead
2025-11-12	142.23	86.03	+2.71	TER ahead
2025-11-11	140.61	86.17	+2.70	TER ahead
2025-11-10	146.05	86.50	+2.92	TER ahead
2025-11-07	144.62	86.80	+2.92	TER ahead
2025-11-06	146.79	86.73	+3.06	TER ahead
2025-11-05	148.83	87.96	+3.13	TER ahead
2025-11-04	139.36	87.70	+2.86	TER ahead
2025-11-03	145.25	87.10	+3.19	TER ahead
2025-10-31	144.21	86.87	+3.24	TER ahead
2025-10-30	140.34	88.36	+3.06	TER ahead
2025-10-29	138.00	87.59	+3.08	TER ahead
2025-10-28	114.55	90.26	+1.85	TER ahead
2025-10-27	117.03	91.65	+1.90	TER ahead
2025-10-24	114.47	92.12	+1.76	TER ahead
2025-10-23	115.07	92.32	+1.79	TER ahead
2025-10-22	110.16	91.37	+1.61	TER ahead
2025-10-21	113.72	91.36	+1.81	TER ahead
2025-10-20	110.43	91.53	+1.64	TER ahead
2025-10-17	109.62	90.46	+1.68	TER ahead
2025-10-16	110.52	89.71	+1.79	TER ahead
2025-10-15	111.89	89.67	+1.88	TER ahead
2025-10-14	108.67	89.78	+1.71	TER ahead
2025-10-13	110.39	89.30	+1.85	TER ahead
2025-10-10	104.79	89.67	+1.51	TER ahead
2025-10-09	115.19	90.55	+2.05	TER ahead
2025-10-08	114.73	91.55	+1.98	TER ahead
2025-10-07	111.19	92.29	+1.74	TER ahead
2025-10-06	117.32	93.40	+2.02	TER ahead
2025-10-03	115.55	94.31	+1.88	TER ahead
2025-10-02	114.67	93.71	+1.88	TER ahead
2025-10-01	111.96	93.35	+1.76	TER ahead
2025-09-30	109.20	93.85	+1.57	TER ahead
2025-09-29	106.58	92.50	+1.51	TER ahead
2025-09-26	107.35	92.10	+1.59	TER ahead
2025-09-25	105.42	91.98	+1.49	TER ahead
2025-09-24	105.69	92.98	+1.44	TER ahead
2025-09-23	106.85	92.77	+1.53	TER ahead
2025-09-22	107.25	93.15	+1.54	TER ahead
2025-09-19	95.09	94.10	+0.68	TER ahead
2025-09-18	94.27	94.24	+0.61	TER ahead
2025-09-17	90.70	93.96	+0.38	near the usual relationship
2025-09-16	90.39	93.79	+0.36	near the usual relationship
2025-09-15	90.50	94.89	+0.29	near the usual relationship
2025-09-12	89.05	95.98	+0.11	near the usual relationship
2025-09-11	91.69	96.04	+0.29	near the usual relationship
2025-09-10	93.48	93.32	+0.60	TER ahead
2025-09-09	91.30	92.46	+0.51	TER ahead
2025-09-08	94.34	94.10	+0.60	TER ahead
2025-09-05	95.37	93.05	+0.75	TER ahead
2025-09-04	94.72	93.84	+0.65	TER ahead
2025-09-03	94.91	92.49	+0.75	TER ahead
2025-09-02	95.69	92.68	+0.79	TER ahead
2025-08-29	93.81	93.48	+0.60	TER ahead
2025-08-28	93.53	93.75	+0.56	TER ahead
2025-08-27	92.82	94.52	+0.46	near the usual relationship
2025-08-26	94.10	94.29	+0.56	TER ahead
2025-08-25	92.88	94.32	+0.47	near the usual relationship
2025-08-22	91.48	96.08	+0.25	near the usual relationship
2025-08-21	86.72	95.48	-0.06	near the usual relationship
2025-08-20	86.89	95.87	-0.07	near the usual relationship
2025-08-19	87.77	95.16	+0.03	near the usual relationship
2025-08-18	87.60	93.92	+0.10	near the usual relationship
2025-08-15	86.81	94.43	+0.01	near the usual relationship
2025-08-14	88.72	94.78	+0.12	near the usual relationship
2025-08-13	90.46	96.61	+0.11	near the usual relationship
2025-08-12	88.57	95.78	+0.03	near the usual relationship
2025-08-11	83.05	94.31	-0.28	near the usual relationship
2025-08-08	85.27	94.81	-0.15	near the usual relationship
2025-08-07	84.47	94.67	-0.20	near the usual relationship
2025-08-06	83.21	94.61	-0.29	near the usual relationship
2025-08-05	84.84	93.80	-0.12	near the usual relationship
2025-08-04	83.88	94.15	-0.22	near the usual relationship
2025-08-01	82.64	92.21	-0.19	near the usual relationship
2025-07-31	85.23	92.28	+0.00	near the usual relationship
2025-07-30	85.41	93.12	-0.05	near the usual relationship
2025-07-29	71.84	92.46	-1.09	VLTO ahead
2025-07-28	72.31	90.76	-0.94	VLTO ahead
2025-07-25	71.52	90.92	-1.02	VLTO ahead
2025-07-24	72.46	90.91	-0.94	VLTO ahead
2025-07-23	73.81	89.62	-0.75	VLTO ahead
2025-07-22	74.34	90.26	-0.76	VLTO ahead
2025-07-21	75.23	89.89	-0.67	VLTO ahead
2025-07-18	74.52	90.97	-0.80	VLTO ahead
2025-07-17	73.63	90.65	-0.85	VLTO ahead
2025-07-16	72.98	88.48	-0.77	VLTO ahead
2025-07-15	73.81	88.86	-0.73	VLTO ahead
2025-07-14	75.55	89.96	-0.67	VLTO ahead
2025-07-11	77.00	89.73	-0.56	VLTO ahead
2025-07-10	78.25	90.78	-0.54	VLTO ahead
2025-07-09	73.61	90.11	-0.84	VLTO ahead
2025-07-08	73.17	90.08	-0.87	VLTO ahead
2025-07-07	71.87	90.42	-1.00	VLTO ahead
2025-07-03	73.83	91.33	-0.91	VLTO ahead
2025-07-02	74.72	90.52	-0.81	VLTO ahead
2025-07-01	72.93	90.32	-0.93	VLTO ahead
2025-06-30	71.34	88.86	-0.97	VLTO ahead
2025-06-27	71.68	88.97	-0.95	VLTO ahead
2025-06-26	72.24	89.01	-0.92	VLTO ahead
2025-06-25	71.56	88.18	-0.93	VLTO ahead
2025-06-24	71.72	88.30	-0.93	VLTO ahead
2025-06-23	69.31	86.66	-1.02	VLTO ahead
2025-06-20	68.46	85.15	-1.00	VLTO ahead
2025-06-18	68.44	85.41	-1.02	VLTO ahead
2025-06-17	68.57	85.77	-1.04	VLTO ahead
2025-06-16	69.57	86.07	-1.00	VLTO ahead
2025-06-13	65.92	85.67	-1.25	VLTO ahead
2025-06-12	68.16	86.93	-1.17	VLTO ahead
2025-06-11	68.86	86.45	-1.10	VLTO ahead
2025-06-10	70.37	87.99	-1.08	VLTO ahead
2025-06-09	68.87	87.78	-1.19	VLTO ahead
2025-06-06	67.62	88.27	-1.32	VLTO ahead
2025-06-05	64.85	87.74	-1.51	VLTO ahead
2025-06-04	65.11	87.08	-1.47	VLTO ahead
2025-06-03	64.62	88.35	-1.59	VLTO ahead
2025-06-02	63.07	88.27	-1.73	VLTO ahead
2025-05-30	62.36	88.93	-1.84	VLTO ahead
2025-05-29	64.25	89.12	-1.72	VLTO ahead
2025-05-28	63.67	88.70	-1.76	VLTO ahead
2025-05-27	64.85	89.34	-1.72	VLTO ahead
2025-05-23	61.08	88.43	-1.99	VLTO ahead
2025-05-22	62.27	88.89	-1.94	VLTO ahead
2025-05-21	62.66	88.46	-1.91	VLTO ahead
2025-05-20	64.60	89.81	-1.85	VLTO ahead
2025-05-19	64.64	89.96	-1.87	VLTO ahead
2025-05-16	65.64	89.52	-1.79	VLTO ahead
2025-05-15	65.84	88.85	-1.75	VLTO ahead
2025-05-14	66.86	87.55	-1.60	VLTO ahead
2025-05-13	67.36	88.25	-1.62	VLTO ahead
2025-05-12	65.90	88.32	-1.76	VLTO ahead
2025-05-09	61.42	85.44	-1.99	VLTO ahead
2025-05-08	60.96	85.63	-2.07	VLTO ahead
2025-05-07	59.58	84.59	-2.16	VLTO ahead
2025-05-06	58.77	83.94	-2.22	VLTO ahead
2025-05-05	59.85	84.23	-2.17	VLTO ahead
2025-05-02	60.20	84.09	-2.15	VLTO ahead
2025-05-01	58.54	82.93	-2.27	VLTO ahead
2025-04-30	58.88	84.42	-2.37	VLTO ahead
2025-04-29	59.42	81.95	-2.17	VLTO ahead
2025-04-28	60.96	81.05	-1.98	VLTO ahead
2025-04-25	61.19	81.26	-1.99	VLTO ahead
2025-04-24	61.33	80.76	-1.96	VLTO ahead
2025-04-23	58.06	79.71	-2.24	VLTO ahead
2025-04-22	56.56	78.50	-2.34	VLTO ahead
2025-04-21	55.39	76.76	-2.36	VLTO ahead
2025-04-17	56.53	78.82	-2.44	VLTO ahead
2025-04-16	56.46	78.64	-2.47	VLTO ahead
2025-04-15	58.76	79.28	-2.30	VLTO ahead
2025-04-14	58.60	79.82	-2.40	VLTO ahead
2025-04-11	58.43	78.89	-2.38	VLTO ahead
2025-04-10	57.35	78.08	-2.47	VLTO ahead
2025-04-09	63.03	80.22	-2.06	VLTO ahead
2025-04-08	53.92	75.11	-2.71	VLTO ahead
2025-04-07	57.81	76.68	-2.41	VLTO ahead
2025-04-04	54.52	78.19	-3.01	VLTO ahead
2025-04-03	59.58	82.66	-2.84	VLTO ahead
2025-04-02	66.34	86.87	-2.47	VLTO ahead
2025-04-01	65.54	85.93	-2.52	VLTO ahead
2025-03-31	65.53	85.78	-2.55	VLTO ahead
2025-03-28	65.68	84.54	-2.47	VLTO ahead
2025-03-27	67.98	86.17	-2.39	VLTO ahead
2025-03-26	69.83	86.03	-2.21	VLTO ahead
2025-03-25	71.37	86.05	-2.07	VLTO ahead
2025-03-24	72.20	86.50	-2.04	VLTO ahead
2025-03-21	69.43	86.07	-2.34	VLTO ahead
2025-03-20	69.96	86.39	-2.34	VLTO ahead
2025-03-19	70.22	87.38	-2.44	VLTO ahead
2025-03-18	70.51	86.58	-2.37	VLTO ahead
2025-03-17	71.54	86.66	-2.29	VLTO ahead
2025-03-14	68.82	86.22	-2.61	VLTO ahead
2025-03-13	67.70	84.27	-2.60	VLTO ahead
2025-03-12	68.82	84.01	-2.48	VLTO ahead
2025-03-11	69.08	85.38	-2.63	VLTO ahead
2025-03-10	83.28	88.32	-1.33	VLTO ahead
2025-03-07	86.12	88.13	-1.03	VLTO ahead
2025-03-06	83.62	86.22	-1.10	VLTO ahead
2025-03-05	87.44	86.81	-0.77	VLTO ahead
2025-03-04	85.08	87.04	-1.04	VLTO ahead
2025-03-03	83.93	87.91	-1.25	VLTO ahead
2025-02-28	87.16	87.82	-0.91	VLTO ahead
2025-02-27	86.33	87.29	-0.95	VLTO ahead
2025-02-26	91.09	87.78	-0.53	VLTO ahead
2025-02-25	88.34	88.60	-0.88	VLTO ahead
2025-02-24	90.11	88.09	-0.66	VLTO ahead
2025-02-21	91.96	86.40	-0.31	near the usual relationship
2025-02-20	94.06	86.02	-0.08	near the usual relationship
2025-02-19	91.95	85.99	-0.27	near the usual relationship
2025-02-18	91.30	86.18	-0.35	near the usual relationship
2025-02-14	89.85	86.26	-0.50	VLTO ahead
2025-02-13	89.53	87.81	-0.69	VLTO ahead
2025-02-12	88.50	88.08	-0.83	VLTO ahead
2025-02-11	89.43	87.86	-0.72	VLTO ahead
2025-02-10	90.50	87.83	-0.61	VLTO ahead
2025-02-07	89.84	86.98	-0.59	VLTO ahead
2025-02-06	90.50	86.65	-0.50	VLTO ahead
2025-02-05	89.34	84.34	-0.38	near the usual relationship
2025-02-04	88.60	88.89	-0.92	VLTO ahead
2025-02-03	88.14	89.06	-0.99	VLTO ahead
2025-01-31	91.87	91.01	-0.82	VLTO ahead
2025-01-30	91.30	91.42	-0.92	VLTO ahead
2025-01-29	96.83	90.54	-0.32	near the usual relationship
2025-01-28	96.75	91.07	-0.39	near the usual relationship
2025-01-27	95.42	90.92	-0.50	VLTO ahead
2025-01-24	103.08	89.57	+0.30	near the usual relationship
2025-01-23	104.59	90.91	+0.30	near the usual relationship
2025-01-22	106.95	90.41	+0.53	TER ahead
2025-01-21	104.97	90.75	+0.34	near the usual relationship
2025-01-17	109.81	90.62	+0.74	TER ahead
2025-01-16	109.15	91.59	+0.59	TER ahead
2025-01-15	107.05	90.27	+0.55	TER ahead
2025-01-14	106.46	90.11	+0.51	TER ahead
2025-01-13	105.70	89.03	+0.55	TER ahead
2025-01-10	106.45	88.12	+0.70	TER ahead
2025-01-08	108.81	89.79	+0.73	TER ahead
2025-01-07	110.14	89.48	+0.86	TER ahead
2025-01-06	111.08	89.06	+0.98	TER ahead
2025-01-03	103.62	88.73	+0.41	near the usual relationship
2025-01-02	100.41	88.55	+0.16	near the usual relationship
2024-12-31	99.90	89.66	+0.00	near the usual relationship
2024-12-30	100.52	89.80	+0.04	near the usual relationship
2024-12-27	101.98	90.77	+0.07	near the usual relationship
2024-12-26	103.81	91.43	+0.16	near the usual relationship
2024-12-24	103.11	91.10	+0.13	near the usual relationship
2024-12-23	101.93	90.57	+0.08	near the usual relationship
2024-12-20	99.93	91.77	-0.21	near the usual relationship
2024-12-19	99.33	89.20	-0.02	near the usual relationship
2024-12-18	98.20	89.11	-0.11	near the usual relationship
2024-12-17	101.56	91.07	-0.01	near the usual relationship
2024-12-16	102.73	91.75	+0.02	near the usual relationship
2024-12-13	97.76	91.74	-0.40	near the usual relationship
2024-12-12	95.96	93.13	-0.69	VLTO ahead
2024-12-11	95.37	92.74	-0.71	VLTO ahead
2024-12-10	92.85	93.65	-1.03	VLTO ahead
2024-12-09	94.86	93.97	-0.88	VLTO ahead
2024-12-06	94.03	93.78	-0.95	VLTO ahead
2024-12-05	90.23	92.68	-1.21	VLTO ahead
2024-12-04	92.74	94.65	-1.16	VLTO ahead
2024-12-03	91.61	94.44	-1.25	VLTO ahead
2024-12-02	89.81	93.86	-1.38	VLTO ahead
2024-11-29	87.27	95.24	-1.78	VLTO ahead
2024-11-27	85.76	95.04	-1.93	VLTO ahead
2024-11-26	86.53	95.04	-1.87	VLTO ahead
2024-11-25	87.81	95.49	-1.81	VLTO ahead
2024-11-22	85.85	93.67	-1.85	VLTO ahead
2024-11-21	83.72	93.32	-2.07	VLTO ahead
2024-11-20	82.18	92.53	-2.20	VLTO ahead
2024-11-19	81.56	91.53	-2.20	VLTO ahead
2024-11-18	82.63	90.53	-2.00	VLTO ahead
2024-11-15	81.39	90.39	-2.15	VLTO ahead
2024-11-14	84.51	90.77	-1.85	VLTO ahead
2024-11-13	84.40	92.29	-2.05	VLTO ahead
2024-11-12	85.95	91.33	-1.79	VLTO ahead
2024-11-11	86.33	91.89	-1.82	VLTO ahead
2024-11-08	87.98	92.91	-1.77	VLTO ahead
2024-11-07	88.58	91.81	-1.60	VLTO ahead
2024-11-06	86.48	90.66	-1.73	VLTO ahead
2024-11-05	83.66	91.21	-2.14	VLTO ahead
2024-11-04	82.73	90.17	-2.16	VLTO ahead
2024-11-01	84.49	89.43	-1.89	VLTO ahead
2024-10-31	84.27	89.96	-1.99	VLTO ahead
2024-10-30	86.86	90.88	-1.81	VLTO ahead
2024-10-29	89.84	91.10	-1.50	VLTO ahead
2024-10-28	88.33	91.55	-1.74	VLTO ahead
2024-10-25	88.66	91.59	-1.72	VLTO ahead
2024-10-24	87.85	93.13	-2.01	VLTO ahead
2024-10-23	98.72	97.65	-1.30	VLTO ahead
2024-10-22	99.46	98.41	-1.31	VLTO ahead
2024-10-21	99.91	99.53	-1.39	VLTO ahead
2024-10-18	100.00	100.00	-1.45	VLTO ahead

One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Mar 11, 2025 (TER -17.1%, VLTO -3.3%); Jul 30, 2025 (TER +18.9%, VLTO +0.7%); Sep 22, 2025 (TER +12.8%, VLTO -1.0%); Oct 29, 2025 (TER +20.5%, VLTO -3.0%); Feb 3, 2026 (TER +13.4%, VLTO -4.0%); Apr 29, 2026 (TER -19.4%, VLTO +4.5%). Upcoming earnings: TER Oct 27, 2026 (after-hours); VLTO Oct 29, 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

TER and VLTO at a glance

TER Teradyne Inc.

Listing: Nasdaq · SEC CIK 97210
Industry: Electrical Products · SIC 3825 Instruments For Meas & Testing of Electricity & Elec Signals
Market value: $52.5B
Price history: 2,521 daily closes, Oct 12, 2016 to Oct 22, 2026

VLTO Veralto Corp

Listing: NYSE · SEC CIK 1967680
Industry: Electrical Products · SIC 3825 Instruments For Meas & Testing of Electricity & Elec Signals
Market value: $24.5B
Price history: 771 daily closes, Sep 27, 2023 to Oct 22, 2026

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

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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.