Building Materials

Amrize Ltd vs CRH PLC

WatchlistAMRZ / CRHPrices through Oct 22, 2026

Why these are rivals: #1 and #2 by market value ($56B vs $21B) in Nasdaq's "Building Materials" industry; SEC SIC 3241 / 3241 (same major group); #1 and #2 by market value ($56B vs $21B) with SEC SIC 3241 (Cement, Hydraulic).

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

Mean reversion: ADF t-statistic of the spread: -2.33 (needs <= -2.873 (5% critical value))

Business leadership

CRH is the larger business

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

Year	AMRZ	CRH	Larger
2025	$11.8B	$37.4B	CRH
2024	$11.7B	$35.6B	CRH
2023	$11.7B	$34.9B	CRH
2022	-	$32.7B	-
2021	-	$29.2B	-

CRH led in every year with figures for both. Market value: AMRZ $20.8B, CRH $55.7B.

Stock leadership

CRH is ahead now

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

CRH leads AMRZ by 0.47 standard deviations: +3.5% over its usual price ratio. 1 lead switch in the last year.

Price change	3 mo	6 mo	12 mo
AMRZ	-19.9%	-30.6%	-19.6%
CRH	-13.5%	-26.2%	-26.9%

Relationship

Not a measured twin today

Only these tests can make a pair tradable on paper.

Pass: Aligned sessions: 337 (needs >= 254)
Pass: Co-movement: daily return correlation, 252 sessions: 0.63 (needs >= 0.60)
Fail: Mean reversion: ADF t-statistic of the spread: -2.33 (needs <= -2.873 (5% critical value))
Pass: Speed: half-life of the spread, sessions: 17.82 (needs <= 63)
Data: Both stocks current

The twins over two years

Prices side by side, and the gap between them

AMRZ Amrize Ltd CRH CRH PLCPrice index, 100 = 2025-06-23. Tint = which stock is ahead of the pair's usual 1-year relationship (z beyond +/-0.5).

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

Data table (337 sessions)

Date	AMRZ index	CRH index	z	Ahead
2026-10-22	75.86	96.11	-0.47	near the usual relationship
2026-10-21	74.63	95.66	-0.62	CRH ahead
2026-10-20	74.69	94.76	-0.48	near the usual relationship
2026-10-19	73.07	92.49	-0.44	near the usual relationship
2026-10-16	72.74	92.99	-0.56	CRH ahead
2026-10-15	71.78	91.54	-0.52	CRH ahead
2026-10-14	69.80	88.07	-0.37	near the usual relationship
2026-10-13	70.05	89.11	-0.47	near the usual relationship
2026-10-12	69.42	90.13	-0.72	CRH ahead
2026-10-09	69.63	90.67	-0.75	CRH ahead
2026-10-08	70.21	91.05	-0.69	CRH ahead
2026-10-07	69.99	90.58	-0.66	CRH ahead
2026-10-06	71.71	92.96	-0.67	CRH ahead
2026-10-05	71.55	91.90	-0.54	CRH ahead
2026-10-02	71.67	91.12	-0.41	near the usual relationship
2026-10-01	71.65	90.85	-0.36	near the usual relationship
2026-09-30	71.92	92.07	-0.48	near the usual relationship
2026-09-29	72.53	94.00	-0.62	CRH ahead
2026-09-28	73.19	93.13	-0.39	near the usual relationship
2026-09-25	73.51	94.56	-0.52	CRH ahead
2026-09-24	71.61	93.36	-0.69	CRH ahead
2026-09-23	72.90	94.77	-0.65	CRH ahead
2026-09-22	75.01	97.90	-0.70	CRH ahead
2026-09-21	74.23	96.90	-0.71	CRH ahead
2026-09-18	72.21	95.80	-0.91	CRH ahead
2026-09-17	73.46	96.41	-0.78	CRH ahead
2026-09-16	73.86	96.41	-0.72	CRH ahead
2026-09-15	75.78	97.51	-0.55	CRH ahead
2026-09-14	75.84	98.94	-0.72	CRH ahead
2026-09-11	77.94	98.47	-0.33	near the usual relationship
2026-09-10	77.78	97.48	-0.24	near the usual relationship
2026-09-09	78.80	99.36	-0.31	near the usual relationship
2026-09-08	80.69	100.76	-0.20	near the usual relationship
2026-09-04	84.29	104.81	-0.15	near the usual relationship
2026-09-03	84.65	102.35	+0.20	near the usual relationship
2026-09-02	82.65	103.05	-0.18	near the usual relationship
2026-09-01	82.34	101.41	-0.03	near the usual relationship
2026-08-31	84.05	104.85	-0.18	near the usual relationship
2026-08-28	85.92	106.59	-0.11	near the usual relationship
2026-08-27	85.19	106.28	-0.18	near the usual relationship
2026-08-26	86.06	107.92	-0.24	near the usual relationship
2026-08-25	85.11	106.97	-0.27	near the usual relationship
2026-08-24	86.90	106.52	+0.04	near the usual relationship
2026-08-21	87.86	105.72	+0.27	near the usual relationship
2026-08-20	85.82	103.51	+0.24	near the usual relationship
2026-08-19	87.06	105.35	+0.20	near the usual relationship
2026-08-18	85.84	103.69	+0.23	near the usual relationship
2026-08-17	87.96	106.81	+0.17	near the usual relationship
2026-08-14	89.81	108.03	+0.28	near the usual relationship
2026-08-13	89.92	108.64	+0.23	near the usual relationship
2026-08-12	89.19	108.96	+0.10	near the usual relationship
2026-08-11	91.56	112.63	+0.02	near the usual relationship
2026-08-10	89.04	111.86	-0.23	near the usual relationship
2026-08-07	89.71	111.73	-0.13	near the usual relationship
2026-08-06	98.52	108.60	+1.35	AMRZ ahead
2026-08-05	101.71	111.20	+1.46	AMRZ ahead
2026-08-04	99.73	109.91	+1.36	AMRZ ahead
2026-08-03	98.25	109.63	+1.20	AMRZ ahead
2026-07-31	94.08	105.65	+1.12	AMRZ ahead
2026-07-30	95.40	106.75	+1.16	AMRZ ahead
2026-07-29	95.13	110.88	+0.66	AMRZ ahead
2026-07-28	96.88	114.98	+0.44	near the usual relationship
2026-07-27	96.10	114.38	+0.40	near the usual relationship
2026-07-24	94.73	111.05	+0.58	AMRZ ahead
2026-07-23	93.00	109.00	+0.57	AMRZ ahead
2026-07-22	95.33	111.26	+0.62	AMRZ ahead
2026-07-21	93.65	110.91	+0.44	near the usual relationship
2026-07-20	93.84	111.14	+0.43	near the usual relationship
2026-07-17	95.67	114.44	+0.31	near the usual relationship
2026-07-16	98.44	117.41	+0.34	near the usual relationship
2026-07-15	97.61	115.60	+0.41	near the usual relationship
2026-07-14	95.73	115.55	+0.19	near the usual relationship
2026-07-13	94.44	114.21	+0.16	near the usual relationship
2026-07-10	97.61	116.44	+0.31	near the usual relationship
2026-07-09	96.71	116.05	+0.24	near the usual relationship
2026-07-08	95.11	114.48	+0.20	near the usual relationship
2026-07-07	97.98	118.10	+0.18	near the usual relationship
2026-07-06	103.89	119.63	+0.69	AMRZ ahead
2026-07-02	103.17	119.57	+0.61	AMRZ ahead
2026-07-01	101.42	116.97	+0.66	AMRZ ahead
2026-06-30	102.52	118.98	+0.59	AMRZ ahead
2026-06-29	102.23	121.06	+0.36	near the usual relationship
2026-06-26	107.46	124.90	+0.55	AMRZ ahead
2026-06-25	107.48	125.71	+0.47	near the usual relationship
2026-06-24	104.89	124.56	n/a
2026-06-23	101.56	122.63	n/a
2026-06-22	103.17	123.71	n/a
2026-06-18	106.46	123.70	n/a
2026-06-17	104.33	121.66	n/a
2026-06-16	106.98	125.48	n/a
2026-06-15	103.90	121.86	n/a
2026-06-12	102.27	118.40	n/a
2026-06-11	100.65	116.57	n/a
2026-06-10	97.15	111.18	n/a
2026-06-09	101.35	115.31	n/a
2026-06-08	97.71	112.90	n/a
2026-06-05	103.06	116.82	n/a
2026-06-04	104.56	118.50	n/a
2026-06-03	103.58	117.75	n/a
2026-06-02	104.54	118.45	n/a
2026-06-01	103.46	118.70	n/a
2026-05-29	104.62	120.97	n/a
2026-05-28	101.69	118.71	n/a
2026-05-27	102.14	118.15	n/a
2026-05-26	98.96	113.54	n/a
2026-05-22	96.08	111.61	n/a
2026-05-21	97.11	112.34	n/a
2026-05-20	96.17	112.81	n/a
2026-05-19	92.88	109.57	n/a
2026-05-18	95.48	114.97	n/a
2026-05-15	94.27	114.77	n/a
2026-05-14	97.88	119.68	n/a
2026-05-13	97.75	120.93	n/a
2026-05-12	100.67	123.86	n/a
2026-05-11	100.10	125.18	n/a
2026-05-08	101.73	126.50	n/a
2026-05-07	102.85	125.24	n/a
2026-05-06	105.69	127.78	n/a
2026-05-05	102.65	125.10	n/a
2026-05-04	97.92	123.21	n/a
2026-05-01	102.67	128.38	n/a
2026-04-30	103.44	131.68	n/a
2026-04-29	109.19	126.14	n/a
2026-04-28	110.54	127.25	n/a
2026-04-27	111.87	129.73	n/a
2026-04-24	110.69	131.21	n/a
2026-04-23	109.39	130.28	n/a
2026-04-22	108.83	129.09	n/a
2026-04-21	109.87	130.50	n/a
2026-04-20	111.94	131.84	n/a
2026-04-17	110.98	130.16	n/a
2026-04-16	109.98	127.17	n/a
2026-04-15	112.96	129.22	n/a
2026-04-14	115.33	130.56	n/a
2026-04-13	113.94	130.40	n/a
2026-04-10	111.56	131.09	n/a
2026-04-09	110.39	128.43	n/a
2026-04-08	109.37	126.57	n/a
2026-04-07	103.54	117.72	n/a
2026-04-06	105.00	118.24	n/a
2026-04-02	104.31	116.35	n/a
2026-04-01	106.14	118.09	n/a
2026-03-31	107.75	116.89	n/a
2026-03-30	103.52	113.32	n/a
2026-03-27	103.48	113.13	n/a
2026-03-26	106.17	114.76	n/a
2026-03-25	107.94	117.93	n/a
2026-03-24	106.39	118.45	n/a
2026-03-23	106.29	116.11	n/a
2026-03-20	101.10	111.72	n/a
2026-03-19	104.14	112.33	n/a
2026-03-18	105.12	113.32	n/a
2026-03-17	108.52	116.68	n/a
2026-03-16	108.39	114.56	n/a
2026-03-13	106.85	111.00	n/a
2026-03-12	108.29	110.90	n/a
2026-03-11	111.96	115.65	n/a
2026-03-10	113.81	118.18	n/a
2026-03-09	113.31	118.38	n/a
2026-03-06	111.79	118.33	n/a
2026-03-05	118.31	123.54	n/a
2026-03-04	120.66	125.94	n/a
2026-03-03	118.83	126.26	n/a
2026-03-02	122.66	130.90	n/a
2026-02-27	125.00	133.41	n/a
2026-02-26	123.41	134.70	n/a
2026-02-25	121.93	133.62	n/a
2026-02-24	126.68	136.39	n/a
2026-02-23	122.39	135.09	n/a
2026-02-20	125.27	137.93	n/a
2026-02-19	122.95	139.54	n/a
2026-02-18	122.52	138.72	n/a
2026-02-17	110.39	135.68	n/a
2026-02-13	113.16	140.08	n/a
2026-02-12	112.31	136.61	n/a
2026-02-11	113.37	142.14	n/a
2026-02-10	115.71	143.61	n/a
2026-02-09	114.23	141.04	n/a
2026-02-06	112.35	141.37	n/a
2026-02-05	106.94	135.41	n/a
2026-02-04	107.98	136.73	n/a
2026-02-03	103.87	135.67	n/a
2026-02-02	101.83	138.55	n/a
2026-01-30	101.21	136.12	n/a
2026-01-29	104.17	137.53	n/a
2026-01-28	103.17	136.17	n/a
2026-01-27	104.25	137.53	n/a
2026-01-26	104.79	136.50	n/a
2026-01-23	104.33	136.60	n/a
2026-01-22	105.44	138.43	n/a
2026-01-21	103.15	134.55	n/a
2026-01-20	101.81	134.39	n/a
2026-01-16	104.89	136.74	n/a
2026-01-15	104.87	136.28	n/a
2026-01-14	105.02	135.54	n/a
2026-01-13	108.56	141.64	n/a
2026-01-12	111.00	146.09	n/a
2026-01-09	110.25	146.09	n/a
2026-01-08	106.31	138.61	n/a
2026-01-07	104.71	136.64	n/a
2026-01-06	107.39	143.30	n/a
2026-01-05	108.29	142.68	n/a
2026-01-02	106.62	140.60	n/a
2025-12-31	104.02	138.77	n/a
2025-12-30	105.71	139.90	n/a
2025-12-29	106.16	141.61	n/a
2025-12-26	107.23	143.38	n/a
2025-12-24	107.42	141.82	n/a
2025-12-23	107.00	140.78	n/a
2025-12-22	106.69	140.35	n/a
2025-12-19	104.39	138.35	n/a
2025-12-18	104.89	141.41	n/a
2025-12-17	102.98	136.83	n/a
2025-12-16	106.58	141.13	n/a
2025-12-15	108.66	141.51	n/a
2025-12-12	108.21	140.55	n/a
2025-12-11	108.35	141.21	n/a
2025-12-10	104.89	139.15	n/a
2025-12-09	102.92	137.54	n/a
2025-12-08	102.58	140.71	n/a
2025-12-05	105.29	132.87	n/a
2025-12-04	101.44	134.60	n/a
2025-12-03	101.21	134.95	n/a
2025-12-02	98.90	131.89	n/a
2025-12-01	100.10	133.08	n/a
2025-11-28	99.08	133.39	n/a
2025-11-26	96.56	133.06	n/a
2025-11-25	97.67	129.29	n/a
2025-11-24	94.40	125.25	n/a
2025-11-21	92.61	122.48	n/a
2025-11-20	90.67	120.50	n/a
2025-11-19	91.36	122.48	n/a
2025-11-18	91.56	121.06	n/a
2025-11-17	92.44	121.47	n/a
2025-11-14	93.90	121.84	n/a
2025-11-13	95.69	123.61	n/a
2025-11-12	96.23	126.10	n/a
2025-11-11	95.63	125.26	n/a
2025-11-10	93.75	126.74	n/a
2025-11-07	95.10	125.65	n/a
2025-11-06	95.63	127.63	n/a
2025-11-05	97.77	128.62	n/a
2025-11-04	98.04	130.46	n/a
2025-11-03	98.33	131.66	n/a
2025-10-31	99.71	132.44	n/a
2025-10-30	99.96	130.36	n/a
2025-10-29	101.65	131.75	n/a
2025-10-28	97.02	133.37	n/a
2025-10-27	95.94	134.49	n/a
2025-10-24	95.35	133.63	n/a
2025-10-23	93.09	131.07	n/a
2025-10-22	92.31	130.08	n/a
2025-10-21	94.33	131.49	n/a
2025-10-20	93.84	130.58	n/a
2025-10-17	93.48	130.61	n/a
2025-10-16	92.98	130.03	n/a
2025-10-15	93.23	131.86	n/a
2025-10-14	94.33	133.57	n/a
2025-10-13	91.59	130.70	n/a
2025-10-10	90.33	129.02	n/a
2025-10-09	92.56	130.78	n/a
2025-10-08	94.15	131.05	n/a
2025-10-07	90.65	129.37	n/a
2025-10-06	92.98	131.37	n/a
2025-10-03	93.71	133.39	n/a
2025-10-02	92.73	134.70	n/a
2025-10-01	93.17	133.27	n/a
2025-09-30	93.34	133.33	n/a
2025-09-29	92.23	127.42	n/a
2025-09-26	91.69	126.40	n/a
2025-09-25	91.09	124.30	n/a
2025-09-24	93.54	125.21	n/a
2025-09-23	96.67	126.88	n/a
2025-09-22	97.17	127.57	n/a
2025-09-19	96.94	125.75	n/a
2025-09-18	100.44	125.05	n/a
2025-09-17	103.48	123.71	n/a
2025-09-16	105.00	125.13	n/a
2025-09-15	104.58	125.92	n/a
2025-09-12	105.90	126.09	n/a
2025-09-11	107.00	127.29	n/a
2025-09-10	103.65	123.72	n/a
2025-09-09	104.60	123.12	n/a
2025-09-08	105.92	124.61	n/a
2025-09-05	103.17	124.94	n/a
2025-09-04	100.48	124.11	n/a
2025-09-03	99.73	124.44	n/a
2025-09-02	101.31	123.74	n/a
2025-08-29	100.04	125.60	n/a
2025-08-28	100.12	125.86	n/a
2025-08-27	99.94	125.92	n/a
2025-08-26	99.94	127.07	n/a
2025-08-25	98.38	125.20	n/a
2025-08-22	98.56	126.02	n/a
2025-08-21	95.10	123.12	n/a
2025-08-20	94.83	123.17	n/a
2025-08-19	98.02	125.03	n/a
2025-08-18	97.11	124.02	n/a
2025-08-15	98.83	123.25	n/a
2025-08-14	99.02	124.26	n/a
2025-08-13	99.17	126.38	n/a
2025-08-12	93.42	124.57	n/a
2025-08-11	91.09	119.45	n/a
2025-08-08	91.69	121.54	n/a
2025-08-07	89.73	118.89	n/a
2025-08-06	96.19	108.53	n/a
2025-08-05	96.54	108.92	n/a
2025-08-04	97.67	109.22	n/a
2025-08-01	98.12	105.90	n/a
2025-07-31	98.33	106.14	n/a
2025-07-30	100.06	107.33	n/a
2025-07-29	100.12	108.13	n/a
2025-07-28	98.35	109.57	n/a
2025-07-25	98.75	111.26	n/a
2025-07-24	98.35	108.05	n/a
2025-07-23	99.00	107.67	n/a
2025-07-22	96.71	106.24	n/a
2025-07-21	95.56	104.80	n/a
2025-07-18	95.40	104.59	n/a
2025-07-17	97.10	103.35	n/a
2025-07-16	98.02	103.28	n/a
2025-07-15	98.13	104.74	n/a
2025-07-14	97.27	105.46	n/a
2025-07-11	96.94	105.90	n/a
2025-07-10	98.06	106.63	n/a
2025-07-09	98.65	107.27	n/a
2025-07-08	96.46	105.25	n/a
2025-07-07	97.21	104.90	n/a
2025-07-03	95.96	105.57	n/a
2025-07-02	96.08	105.05	n/a
2025-07-01	95.54	103.75	n/a
2025-06-30	95.31	102.08	n/a
2025-06-27	94.27	101.77	n/a
2025-06-26	94.04	99.04	n/a
2025-06-25	96.65	98.60	n/a
2025-06-24	101.94	101.77	n/a
2025-06-23	100.00	100.00	n/a

One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Aug 7, 2026 (AMRZ -8.9%, CRH +2.9%). Upcoming earnings: AMRZ Oct 27, 2026 (not-supplied); AMRZ Oct 28, 2026 (after-hours); CRH Oct 29, 2026 (pre-market).

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

AMRZ and CRH at a glance

AMRZ Amrize Ltd

Listing: NYSE · SEC CIK 2035989
Industry: Building Materials · SIC 3241 Cement, Hydraulic
Market value: $20.8B
Price history: 337 daily closes, Jun 23, 2025 to Oct 22, 2026

CRH CRH PLC

Listing: NYSE · SEC CIK 849395
Industry: Building Materials · SIC 3241 Cement, Hydraulic
Market value: $55.7B
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
AMRZ / CX	Watchlist	CX by 1.21 sd	Building Materials
CRH / CX	Watchlist	CX by 0.82 sd	Building Materials

Follow the research behind the paper book

Boostio is a research-first platform in private beta: crypto candidates, daily market stories, public paper trading and now rival stocks. Exploring these pages stays free and open.

Explore the private beta

Scout Market Pulse Narratives Digest Wave

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.