SIC 4812 Radiotelephone Communications

Chunghwa Telecom Co. Ltd. vs T-Mobile US Inc.

WatchlistCHT / TMUSPrices through Oct 22, 2026

Why these are rivals: #1 and #2 by market value ($167B vs $37B) with SEC SIC 4812 (Radiotelephone Communications).

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: 0.16 (needs >= 0.60)
Mean reversion: ADF t-statistic of the spread: -0.36 (needs <= -2.873 (5% critical value))
Speed: half-life of the spread, sessions: 87.74 (needs <= 63)

Business leadership

Business size

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

Year	CHT	TMUS	Larger
2025	-	$88.3B	-
2024	-	$81.4B	-
2023	-	$78.6B	-
2022	-	$79.6B	-
2021	-	$80.1B	-
2020	-	$68.4B	-

Market value: CHT $36.9B, TMUS $167.4B.

Stock leadership

CHT is ahead now

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

CHT leads TMUS by 2.74 standard deviations: +36.1% over its usual price ratio. 0 lead switches in the last year.

Price change	3 mo	6 mo	12 mo
CHT	+14.0%	+12.8%	+12.4%
TMUS	-11.8%	-18.2%	-30.7%

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: 0.16 (needs >= 0.60)
Fail: Mean reversion: ADF t-statistic of the spread: -0.35 (needs <= -2.873 (5% critical value))
Fail: Speed: half-life of the spread, sessions: 87.73 (needs <= 63)
Data: Both stocks current

The twins over two years

Prices side by side, and the gap between them

CHT Chunghwa Telecom Co. Ltd. TMUS T-Mobile US 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: CHT relative to TMUS, against the 252 sessions before each day. Above 0: CHT ahead; below 0: TMUS ahead. Lines at +/-2 (idea) and +/-4 (stop).

Data table (504 sessions)

Date	CHT index	TMUS index	z	Ahead
2026-10-22	126.55	71.14	+2.74	CHT ahead
2026-10-21	123.38	68.88	+2.85	CHT ahead
2026-10-20	123.61	70.67	+2.68	CHT ahead
2026-10-19	123.71	69.93	+2.83	CHT ahead
2026-10-16	123.74	71.28	+2.70	CHT ahead
2026-10-15	123.79	70.35	+2.88	CHT ahead
2026-10-14	120.81	70.69	+2.64	CHT ahead
2026-10-13	119.74	68.87	+2.85	CHT ahead
2026-10-12	120.03	68.04	+3.05	CHT ahead
2026-10-09	119.45	66.57	+3.29	CHT ahead
2026-10-08	120.00	76.75	+1.95	CHT ahead
2026-10-07	118.91	75.11	+2.10	CHT ahead
2026-10-06	119.69	74.34	+2.30	CHT ahead
2026-10-05	119.87	73.76	+2.42	CHT ahead
2026-10-02	119.90	73.31	+2.52	CHT ahead
2026-10-01	118.31	72.46	+2.53	CHT ahead
2026-09-30	118.13	73.06	+2.46	CHT ahead
2026-09-29	118.42	73.02	+2.53	CHT ahead
2026-09-28	119.43	74.57	+2.43	CHT ahead
2026-09-25	119.87	74.11	+2.56	CHT ahead
2026-09-24	119.66	74.08	+2.58	CHT ahead
2026-09-23	120.00	74.22	+2.63	CHT ahead
2026-09-22	119.77	72.76	+2.87	CHT ahead
2026-09-21	119.22	74.04	+2.67	CHT ahead
2026-09-18	119.22	75.35	+2.52	CHT ahead
2026-09-17	118.75	74.57	+2.63	CHT ahead
2026-09-16	117.35	78.97	+1.89	CHT ahead
2026-09-15	117.84	80.85	+1.69	CHT ahead
2026-09-14	117.53	81.94	+1.52	CHT ahead
2026-09-11	116.49	81.69	+1.47	CHT ahead
2026-09-10	115.66	79.37	+1.72	CHT ahead
2026-09-09	115.38	79.45	+1.70	CHT ahead
2026-09-08	114.88	81.40	+1.39	CHT ahead
2026-09-04	113.82	81.32	+1.30	CHT ahead
2026-09-03	113.66	84.23	+0.91	CHT ahead
2026-09-02	112.94	83.91	+0.89	CHT ahead
2026-09-01	112.31	81.61	+1.13	CHT ahead
2026-08-31	112.23	80.84	+1.23	CHT ahead
2026-08-28	111.66	81.26	+1.13	CHT ahead
2026-08-27	111.64	79.63	+1.34	CHT ahead
2026-08-26	111.45	80.47	+1.22	CHT ahead
2026-08-25	112.13	81.36	+1.18	CHT ahead
2026-08-24	112.13	81.82	+1.13	CHT ahead
2026-08-21	112.68	82.00	+1.16	CHT ahead
2026-08-20	112.62	81.19	+1.27	CHT ahead
2026-08-19	111.69	81.70	+1.13	CHT ahead
2026-08-18	111.43	81.87	+1.09	CHT ahead
2026-08-17	110.36	80.70	+1.15	CHT ahead
2026-08-14	110.60	81.81	+1.04	CHT ahead
2026-08-13	109.82	82.16	+0.93	CHT ahead
2026-08-12	109.97	79.36	+1.30	CHT ahead
2026-08-11	110.10	80.01	+1.24	CHT ahead
2026-08-10	109.97	79.84	+1.26	CHT ahead
2026-08-07	110.44	79.38	+1.37	CHT ahead
2026-08-06	109.82	80.63	+1.17	CHT ahead
2026-08-05	109.14	77.71	+1.49	CHT ahead
2026-08-04	108.81	79.39	+1.25	CHT ahead
2026-08-03	110.21	79.34	+1.40	CHT ahead
2026-07-31	110.68	77.38	+1.71	CHT ahead
2026-07-30	110.86	77.66	+1.70	CHT ahead
2026-07-29	112.03	81.32	+1.36	CHT ahead
2026-07-28	112.31	81.71	+1.34	CHT ahead
2026-07-27	111.90	79.39	+1.61	CHT ahead
2026-07-24	111.04	80.68	+1.38	CHT ahead
2026-07-23	110.03	76.35	+1.87	CHT ahead
2026-07-22	111.22	85.54	+0.83	CHT ahead
2026-07-21	111.74	85.47	+0.89	CHT ahead
2026-07-20	110.65	87.65	+0.54	CHT ahead
2026-07-17	110.23	86.21	+0.68	CHT ahead
2026-07-16	109.84	86.40	+0.62	CHT ahead
2026-07-15	107.92	84.06	+0.73	CHT ahead
2026-07-14	107.64	83.84	+0.73	CHT ahead
2026-07-13	107.74	84.41	+0.68	CHT ahead
2026-07-10	107.64	84.05	+0.72	CHT ahead
2026-07-09	107.82	81.30	+1.08	CHT ahead
2026-07-08	113.09	80.70	+1.66	CHT ahead
2026-07-07	113.53	82.76	+1.45	CHT ahead
2026-07-06	114.57	81.44	+1.73	CHT ahead
2026-07-02	114.29	79.53	+1.97	CHT ahead
2026-07-01	114.34	77.53	+2.27	CHT ahead
2026-06-30	114.96	75.14	+2.70	CHT ahead
2026-06-29	115.53	77.94	+2.41	CHT ahead
2026-06-26	116.73	81.84	+2.02	CHT ahead
2026-06-25	116.34	81.34	+2.08	CHT ahead
2026-06-24	115.61	81.00	+2.08	CHT ahead
2026-06-23	117.22	82.69	+2.03	CHT ahead
2026-06-22	118.36	80.67	+2.45	CHT ahead
2026-06-18	117.71	81.39	+2.32	CHT ahead
2026-06-17	118.23	81.23	+2.43	CHT ahead
2026-06-16	120.18	82.59	+2.46	CHT ahead
2026-06-15	119.45	84.61	+2.14	CHT ahead
2026-06-12	119.71	84.72	+2.18	CHT ahead
2026-06-11	119.48	83.25	+2.40	CHT ahead
2026-06-10	118.42	83.13	+2.34	CHT ahead
2026-06-09	117.19	80.40	+2.66	CHT ahead
2026-06-08	114.34	79.94	+2.47	CHT ahead
2026-06-05	115.74	79.79	+2.68	CHT ahead
2026-06-04	117.30	79.31	+2.98	CHT ahead
2026-06-03	116.62	81.29	+2.64	CHT ahead
2026-06-02	117.92	84.60	+2.30	CHT ahead
2026-06-01	117.35	83.66	+2.42	CHT ahead
2026-05-29	113.69	84.02	+1.98	CHT ahead
2026-05-28	113.01	84.68	+1.82	CHT ahead
2026-05-27	113.61	85.48	+1.79	CHT ahead
2026-05-26	112.62	85.62	+1.67	CHT ahead
2026-05-22	113.45	85.78	+1.76	CHT ahead
2026-05-21	113.82	85.52	+1.86	CHT ahead
2026-05-20	114.23	85.19	+1.98	CHT ahead
2026-05-19	117.01	86.65	+2.09	CHT ahead
2026-05-18	113.06	85.41	+1.85	CHT ahead
2026-05-15	112.44	82.98	+2.19	CHT ahead
2026-05-14	112.99	84.31	+2.06	CHT ahead
2026-05-13	112.99	85.25	+1.94	CHT ahead
2026-05-12	112.52	86.60	+1.68	CHT ahead
2026-05-11	111.95	85.50	+1.80	CHT ahead
2026-05-08	113.79	86.75	+1.84	CHT ahead
2026-05-07	112.62	87.00	+1.67	CHT ahead
2026-05-06	112.57	86.54	+1.75	CHT ahead
2026-05-05	111.97	87.05	+1.61	CHT ahead
2026-05-04	111.25	87.10	+1.52	CHT ahead
2026-05-01	112.08	87.84	+1.51	CHT ahead
2026-04-30	112.57	87.59	+1.61	CHT ahead
2026-04-29	111.61	88.78	+1.33	CHT ahead
2026-04-28	113.17	83.65	+2.31	CHT ahead
2026-04-27	113.25	81.87	+2.60	CHT ahead
2026-04-24	111.82	85.03	+1.94	CHT ahead
2026-04-23	112.16	86.95	+1.69	CHT ahead
2026-04-22	112.08	84.64	+2.03	CHT ahead
2026-04-21	111.95	87.54	+1.58	CHT ahead
2026-04-20	112.96	88.87	+1.51	CHT ahead
2026-04-17	113.58	88.56	+1.62	CHT ahead
2026-04-16	112.83	88.31	+1.57	CHT ahead
2026-04-15	111.51	85.21	+1.86	CHT ahead
2026-04-14	110.65	85.12	+1.78	CHT ahead
2026-04-13	109.58	86.21	+1.52	CHT ahead
2026-04-10	109.51	87.68	+1.32	CHT ahead
2026-04-09	110.34	88.50	+1.30	CHT ahead
2026-04-08	110.73	88.54	+1.34	CHT ahead
2026-04-07	109.74	89.84	+1.07	CHT ahead
2026-04-06	110.08	88.98	+1.22	CHT ahead
2026-04-02	110.16	90.23	+1.07	CHT ahead
2026-04-01	110.10	91.51	+0.91	CHT ahead
2026-03-31	109.71	94.10	+0.58	CHT ahead
2026-03-30	109.12	95.85	+0.34	near the usual relationship
2026-03-27	109.30	94.45	+0.51	CHT ahead
2026-03-26	110.52	94.79	+0.60	CHT ahead
2026-03-25	110.47	94.69	+0.61	CHT ahead
2026-03-24	110.31	94.65	+0.60	CHT ahead
2026-03-23	109.69	93.53	+0.67	CHT ahead
2026-03-20	108.44	93.40	+0.58	CHT ahead
2026-03-19	111.92	92.55	+0.98	CHT ahead
2026-03-18	111.90	92.57	+0.98	CHT ahead
2026-03-17	112.65	95.58	+0.74	CHT ahead
2026-03-16	111.90	96.24	+0.62	CHT ahead
2026-03-13	110.88	97.39	+0.43	near the usual relationship
2026-03-12	110.81	96.04	+0.56	CHT ahead
2026-03-11	111.40	95.62	+0.65	CHT ahead
2026-03-10	112.08	98.02	+0.49	near the usual relationship
2026-03-09	112.10	97.44	+0.55	CHT ahead
2026-03-06	111.48	99.27	+0.34	near the usual relationship
2026-03-05	111.35	98.80	+0.37	near the usual relationship
2026-03-04	112.36	98.43	+0.50	CHT ahead
2026-03-03	113.01	97.90	+0.60	CHT ahead
2026-03-02	113.45	96.82	+0.74	CHT ahead
2026-02-27	112.31	97.26	+0.62	CHT ahead
2026-02-26	111.97	95.49	+0.75	CHT ahead
2026-02-25	113.30	97.96	+0.64	CHT ahead
2026-02-24	113.12	99.45	+0.51	CHT ahead
2026-02-23	111.32	98.54	+0.45	near the usual relationship
2026-02-20	110.88	96.53	+0.60	CHT ahead
2026-02-19	110.44	96.46	+0.58	CHT ahead
2026-02-18	111.25	95.54	+0.72	CHT ahead
2026-02-17	111.74	98.39	+0.53	CHT ahead
2026-02-13	110.96	98.34	+0.48	near the usual relationship
2026-02-12	111.14	96.18	+0.68	CHT ahead
2026-02-11	110.23	93.88	+0.81	CHT ahead
2026-02-10	109.43	89.35	+1.16	CHT ahead
2026-02-09	108.57	88.55	+1.18	CHT ahead
2026-02-06	107.97	88.43	+1.16	CHT ahead
2026-02-05	107.53	90.44	+0.95	CHT ahead
2026-02-04	108.49	90.40	+1.03	CHT ahead
2026-02-03	108.68	88.56	+1.22	CHT ahead
2026-02-02	108.62	87.36	+1.34	CHT ahead
2026-01-30	110.34	88.35	+1.39	CHT ahead
2026-01-29	110.75	84.80	+1.77	CHT ahead
2026-01-28	110.91	83.44	+1.94	CHT ahead
2026-01-27	110.00	82.65	+1.97	CHT ahead
2026-01-26	110.91	84.21	+1.91	CHT ahead
2026-01-23	111.77	83.34	+2.08	CHT ahead
2026-01-22	110.81	83.06	+2.07	CHT ahead
2026-01-21	109.95	82.25	+2.11	CHT ahead
2026-01-20	110.10	82.28	+2.15	CHT ahead
2026-01-16	109.61	83.47	+2.01	CHT ahead
2026-01-15	109.48	85.42	+1.82	CHT ahead
2026-01-14	109.32	86.03	+1.76	CHT ahead
2026-01-13	108.78	84.97	+1.85	CHT ahead
2026-01-12	109.09	88.49	+1.53	CHT ahead
2026-01-09	108.86	89.85	+1.38	CHT ahead
2026-01-08	110.18	88.67	+1.62	CHT ahead
2026-01-07	108.81	88.39	+1.55	CHT ahead
2026-01-06	107.92	88.97	+1.43	CHT ahead
2026-01-05	109.17	89.99	+1.45	CHT ahead
2026-01-02	108.42	89.41	+1.46	CHT ahead
2025-12-31	108.34	90.96	+1.30	CHT ahead
2025-12-30	108.57	91.30	+1.30	CHT ahead
2025-12-29	108.36	91.01	+1.32	CHT ahead
2025-12-26	108.08	90.05	+1.41	CHT ahead
2025-12-24	107.32	89.16	+1.45	CHT ahead
2025-12-23	107.17	88.56	+1.51	CHT ahead
2025-12-22	106.52	87.70	+1.56	CHT ahead
2025-12-19	106.65	88.14	+1.54	CHT ahead
2025-12-18	105.82	89.72	+1.31	CHT ahead
2025-12-17	106.13	89.32	+1.39	CHT ahead
2025-12-16	106.83	88.71	+1.53	CHT ahead
2025-12-15	107.79	87.88	+1.72	CHT ahead
2025-12-12	107.53	87.43	+1.77	CHT ahead
2025-12-11	107.69	87.51	+1.79	CHT ahead
2025-12-10	107.69	87.51	+1.81	CHT ahead
2025-12-09	107.53	90.21	+1.52	CHT ahead
2025-12-08	107.71	91.59	+1.40	CHT ahead
2025-12-05	108.65	93.92	+1.25	CHT ahead
2025-12-04	107.45	93.19	+1.23	CHT ahead
2025-12-03	107.64	93.41	+1.23	CHT ahead
2025-12-02	107.35	94.14	+1.14	CHT ahead
2025-12-01	106.68	92.57	+1.25	CHT ahead
2025-11-28	108.60	93.64	+1.32	CHT ahead
2025-11-26	108.86	92.62	+1.47	CHT ahead
2025-11-25	108.47	92.69	+1.44	CHT ahead
2025-11-24	108.00	92.89	+1.38	CHT ahead
2025-11-21	108.73	93.85	+1.36	CHT ahead
2025-11-20	108.81	94.31	+1.33	CHT ahead
2025-11-19	107.90	94.65	+1.22	CHT ahead
2025-11-18	109.06	95.46	+1.26	CHT ahead
2025-11-17	109.58	96.70	+1.18	CHT ahead
2025-11-14	110.08	96.81	+1.23	CHT ahead
2025-11-13	110.16	96.13	+1.32	CHT ahead
2025-11-12	111.04	95.28	+1.50	CHT ahead
2025-11-11	110.23	94.97	+1.47	CHT ahead
2025-11-10	110.36	92.23	+1.80	CHT ahead
2025-11-07	110.13	92.74	+1.74	CHT ahead
2025-11-06	108.81	90.05	+1.93	CHT ahead
2025-11-05	109.66	91.73	+1.85	CHT ahead
2025-11-04	109.38	92.42	+1.76	CHT ahead
2025-11-03	110.55	91.09	+2.05	CHT ahead
2025-10-31	110.60	94.10	+1.73	CHT ahead
2025-10-30	110.81	94.37	+1.74	CHT ahead
2025-10-29	111.19	96.33	+1.57	CHT ahead
2025-10-28	112.73	98.56	+1.49	CHT ahead
2025-10-27	111.56	98.87	+1.35	CHT ahead
2025-10-24	112.52	97.56	+1.60	CHT ahead
2025-10-23	112.21	98.56	+1.47	CHT ahead
2025-10-22	112.81	101.88	+1.18	CHT ahead
2025-10-21	112.57	102.63	+1.09	CHT ahead
2025-10-20	113.82	103.08	+1.17	CHT ahead
2025-10-17	113.17	102.74	+1.15	CHT ahead
2025-10-16	112.75	101.45	+1.25	CHT ahead
2025-10-15	112.44	101.54	+1.22	CHT ahead
2025-10-14	111.64	102.78	+1.01	CHT ahead
2025-10-13	111.66	100.83	+1.23	CHT ahead
2025-10-10	111.51	102.50	+1.04	CHT ahead
2025-10-09	111.66	101.34	+1.18	CHT ahead
2025-10-08	112.83	101.51	+1.28	CHT ahead
2025-10-07	113.45	102.00	+1.29	CHT ahead
2025-10-06	112.29	100.78	+1.31	CHT ahead
2025-10-03	112.60	103.16	+1.08	CHT ahead
2025-10-02	112.75	103.10	+1.10	CHT ahead
2025-10-01	113.97	104.50	+1.07	CHT ahead
2025-09-30	113.30	107.24	+0.71	CHT ahead
2025-09-29	113.40	106.61	+0.78	CHT ahead
2025-09-26	113.69	106.39	+0.82	CHT ahead
2025-09-25	113.25	106.60	+0.75	CHT ahead
2025-09-24	114.08	106.81	+0.80	CHT ahead
2025-09-23	113.90	107.29	+0.73	CHT ahead
2025-09-22	114.70	106.38	+0.89	CHT ahead
2025-09-19	114.31	106.70	+0.82	CHT ahead
2025-09-18	115.38	107.00	+0.89	CHT ahead
2025-09-17	116.31	107.28	+0.94	CHT ahead
2025-09-16	115.79	106.46	+0.98	CHT ahead
2025-09-15	116.86	107.41	+0.98	CHT ahead
2025-09-12	116.57	108.29	+0.86	CHT ahead
2025-09-11	116.83	108.14	+0.89	CHT ahead
2025-09-10	115.66	107.69	+0.82	CHT ahead
2025-09-09	115.32	108.74	+0.68	CHT ahead
2025-09-08	114.78	108.82	+0.62	CHT ahead
2025-09-05	114.75	113.24	+0.20	near the usual relationship
2025-09-04	114.26	112.95	+0.17	near the usual relationship
2025-09-03	112.81	113.19	+0.01	near the usual relationship
2025-09-02	113.01	114.64	-0.11	near the usual relationship
2025-08-29	113.01	112.89	+0.05	near the usual relationship
2025-08-28	113.87	112.25	+0.18	near the usual relationship
2025-08-27	114.23	112.61	+0.18	near the usual relationship
2025-08-26	114.03	112.54	+0.16	near the usual relationship
2025-08-25	115.71	112.78	+0.28	near the usual relationship
2025-08-22	116.13	112.88	+0.30	near the usual relationship
2025-08-21	118.18	115.66	+0.23	near the usual relationship
2025-08-20	118.16	116.04	+0.19	near the usual relationship
2025-08-19	118.94	115.68	+0.28	near the usual relationship
2025-08-18	117.97	114.32	+0.32	near the usual relationship
2025-08-15	116.62	114.08	+0.22	near the usual relationship
2025-08-14	117.12	112.14	+0.43	near the usual relationship
2025-08-13	116.81	112.38	+0.38	near the usual relationship
2025-08-12	117.64	113.02	+0.39	near the usual relationship
2025-08-11	116.83	111.50	+0.45	near the usual relationship
2025-08-08	117.32	109.75	+0.64	CHT ahead
2025-08-07	117.25	108.83	+0.72	CHT ahead
2025-08-06	116.52	107.17	+0.80	CHT ahead
2025-08-05	117.01	107.04	+0.85	CHT ahead
2025-08-04	113.45	107.97	+0.46	near the usual relationship
2025-08-01	113.66	106.27	+0.62	CHT ahead
2025-07-31	112.73	106.81	+0.48	near the usual relationship
2025-07-30	112.73	108.23	+0.35	near the usual relationship
2025-07-29	113.32	107.19	+0.48	near the usual relationship
2025-07-28	112.81	106.71	+0.47	near the usual relationship
2025-07-25	113.53	109.11	+0.32	near the usual relationship
2025-07-24	114.70	110.88	+0.26	near the usual relationship
2025-07-23	115.66	104.80	+0.86	CHT ahead
2025-07-22	114.52	104.50	+0.79	CHT ahead
2025-07-21	113.74	104.22	+0.75	CHT ahead
2025-07-18	113.71	101.79	+0.96	CHT ahead
2025-07-17	115.38	101.71	+1.10	CHT ahead
2025-07-16	115.22	102.48	+1.02	CHT ahead
2025-07-15	114.26	101.26	+1.05	CHT ahead
2025-07-14	115.45	102.21	+1.05	CHT ahead
2025-07-11	115.66	102.04	+1.08	CHT ahead
2025-07-10	114.99	102.21	+1.01	CHT ahead
2025-07-09	114.57	104.08	+0.80	CHT ahead
2025-07-08	115.14	105.72	+0.70	CHT ahead
2025-07-07	116.08	106.46	+0.70	CHT ahead
2025-07-03	118.21	107.86	+0.74	CHT ahead
2025-07-02	121.95	106.37	+1.13	CHT ahead
2025-07-01	121.14	108.20	+0.91	CHT ahead
2025-06-30	121.06	106.74	+1.02	CHT ahead
2025-06-27	121.74	105.39	+1.17	CHT ahead
2025-06-26	121.40	103.68	+1.28	CHT ahead
2025-06-25	120.23	103.45	+1.21	CHT ahead
2025-06-24	119.87	102.96	+1.21	CHT ahead
2025-06-23	119.56	101.69	+1.29	CHT ahead
2025-06-20	119.35	99.24	+1.48	CHT ahead
2025-06-18	119.95	99.01	+1.53	CHT ahead
2025-06-17	118.99	99.20	+1.43	CHT ahead
2025-06-16	119.82	103.49	+1.12	CHT ahead
2025-06-13	118.52	102.15	+1.13	CHT ahead
2025-06-12	117.58	102.46	+1.03	CHT ahead
2025-06-11	115.30	103.46	+0.77	CHT ahead
2025-06-10	114.86	106.17	+0.52	CHT ahead
2025-06-09	114.99	106.60	+0.48	near the usual relationship
2025-06-06	113.66	110.15	+0.11	near the usual relationship
2025-06-05	113.51	109.72	+0.12	near the usual relationship
2025-06-04	112.49	108.40	+0.14	near the usual relationship
2025-06-03	113.01	109.26	+0.10	near the usual relationship
2025-06-02	114.44	108.89	+0.22	near the usual relationship
2025-05-30	112.94	108.51	+0.13	near the usual relationship
2025-05-29	113.48	107.21	+0.26	near the usual relationship
2025-05-28	114.70	108.20	+0.26	near the usual relationship
2025-05-27	114.91	109.03	+0.20	near the usual relationship
2025-05-23	115.22	108.81	+0.23	near the usual relationship
2025-05-22	115.35	107.89	+0.29	near the usual relationship
2025-05-21	114.16	107.86	+0.20	near the usual relationship
2025-05-20	113.74	108.06	+0.15	near the usual relationship
2025-05-19	113.79	109.43	+0.06	near the usual relationship
2025-05-16	113.43	108.71	+0.07	near the usual relationship
2025-05-15	113.14	107.59	+0.12	near the usual relationship
2025-05-14	110.91	105.41	+0.12	near the usual relationship
2025-05-13	111.06	106.33	+0.06	near the usual relationship
2025-05-12	112.55	107.67	+0.05	near the usual relationship
2025-05-09	111.43	109.23	-0.12	near the usual relationship
2025-05-08	109.14	110.88	-0.38	near the usual relationship
2025-05-07	111.74	112.57	-0.33	near the usual relationship
2025-05-06	113.71	113.70	-0.28	near the usual relationship
2025-05-05	114.60	111.24	-0.09	near the usual relationship
2025-05-02	109.30	111.50	-0.43	near the usual relationship
2025-05-01	104.60	110.66	-0.68	TMUS ahead
2025-04-30	105.04	110.64	-0.66	TMUS ahead
2025-04-29	103.66	108.23	-0.60	TMUS ahead
2025-04-28	102.42	106.07	-0.56	TMUS ahead
2025-04-25	101.43	104.28	-0.51	TMUS ahead
2025-04-24	102.16	117.46	-1.25	TMUS ahead
2025-04-23	102.03	116.19	-1.20	TMUS ahead
2025-04-22	103.74	115.72	-1.07	TMUS ahead
2025-04-21	102.75	113.56	-1.02	TMUS ahead
2025-04-17	103.79	117.40	-1.18	TMUS ahead
2025-04-16	103.56	116.32	-1.14	TMUS ahead
2025-04-15	103.97	119.49	-1.29	TMUS ahead
2025-04-14	103.45	117.66	-1.24	TMUS ahead
2025-04-11	104.65	115.89	-1.07	TMUS ahead
2025-04-10	100.78	114.74	-1.26	TMUS ahead
2025-04-09	101.69	114.20	-1.18	TMUS ahead
2025-04-08	98.55	110.34	-1.17	TMUS ahead
2025-04-07	97.97	110.51	-1.22	TMUS ahead
2025-04-04	100.78	111.16	-1.09	TMUS ahead
2025-04-03	103.06	120.02	-1.44	TMUS ahead
2025-04-02	102.00	118.53	-1.44	TMUS ahead
2025-04-01	102.18	120.31	-1.53	TMUS ahead
2025-03-31	101.84	119.49	-1.52	TMUS ahead
2025-03-28	102.00	118.69	-1.48	TMUS ahead
2025-03-27	102.49	120.19	-1.54	TMUS ahead
2025-03-26	101.06	117.61	-1.50	TMUS ahead
2025-03-25	101.56	115.92	-1.39	TMUS ahead
2025-03-24	101.27	116.02	-1.43	TMUS ahead
2025-03-21	101.66	114.62	-1.34	TMUS ahead
2025-03-20	101.32	115.15	-1.40	TMUS ahead
2025-03-19	100.83	116.15	-1.50	TMUS ahead
2025-03-18	101.61	116.81	-1.49	TMUS ahead
2025-03-17	102.08	116.56	-1.47	TMUS ahead
2025-03-14	102.03	114.68	-1.38	TMUS ahead
2025-03-13	101.74	116.08	-1.48	TMUS ahead
2025-03-12	100.81	114.52	-1.47	TMUS ahead
2025-03-11	100.65	114.99	-1.52	TMUS ahead
2025-03-10	101.58	119.45	-1.72	TMUS ahead
2025-03-07	101.74	118.83	-1.69	TMUS ahead
2025-03-06	101.69	117.80	-1.65	TMUS ahead
2025-03-05	101.79	117.71	-1.66	TMUS ahead
2025-03-04	101.14	118.57	-1.76	TMUS ahead
2025-03-03	101.82	122.23	-1.94	TMUS ahead
2025-02-28	100.99	120.82	-1.94	TMUS ahead
2025-02-27	101.22	118.35	-1.81	TMUS ahead
2025-02-26	100.83	118.09	-1.84	TMUS ahead
2025-02-25	100.73	121.20	-2.03	TMUS ahead
2025-02-24	101.92	120.12	-1.92	TMUS ahead
2025-02-21	101.38	118.80	-1.90	TMUS ahead
2025-02-20	100.94	118.90	-1.96	TMUS ahead
2025-02-19	99.77	117.98	-2.00	TMUS ahead
2025-02-18	100.75	117.92	-1.96	TMUS ahead
2025-02-14	100.05	121.33	-2.22	TMUS ahead
2025-02-13	100.29	118.76	-2.09	TMUS ahead
2025-02-12	100.05	114.37	-1.87	TMUS ahead
2025-02-11	100.03	115.90	-1.98	TMUS ahead
2025-02-10	100.00	114.61	-1.93	TMUS ahead
2025-02-07	99.79	110.32	-1.70	TMUS ahead
2025-02-06	100.16	110.73	-1.71	TMUS ahead
2025-02-05	99.77	108.61	-1.62	TMUS ahead
2025-02-04	99.45	106.29	-1.51	TMUS ahead
2025-02-03	100.03	106.67	-1.51	TMUS ahead
2025-01-31	100.88	104.37	-1.31	TMUS ahead
2025-01-30	100.88	105.00	-1.36	TMUS ahead
2025-01-29	101.25	105.35	-1.37	TMUS ahead
2025-01-28	101.90	99.07	-0.91	TMUS ahead
2025-01-27	102.34	99.20	-0.90	TMUS ahead
2025-01-24	101.12	97.92	-0.90	TMUS ahead
2025-01-23	100.81	96.79	-0.84	TMUS ahead
2025-01-22	98.26	97.75	-1.10	TMUS ahead
2025-01-21	98.60	98.33	-1.13	TMUS ahead
2025-01-17	98.23	98.10	-1.14	TMUS ahead
2025-01-16	97.77	96.66	-1.08	TMUS ahead
2025-01-15	97.12	95.96	-1.09	TMUS ahead
2025-01-14	96.29	95.95	-1.16	TMUS ahead
2025-01-13	96.31	95.63	-1.14	TMUS ahead
2025-01-10	95.53	94.66	-1.13	TMUS ahead
2025-01-08	97.32	96.55	-1.15	TMUS ahead
2025-01-07	97.25	95.13	-1.06	TMUS ahead
2025-01-06	97.30	95.15	-1.07	TMUS ahead
2025-01-03	96.96	98.16	-1.32	TMUS ahead
2025-01-02	97.25	98.35	-1.33	TMUS ahead
2024-12-31	97.79	98.89	-1.34	TMUS ahead
2024-12-30	98.49	98.86	-1.29	TMUS ahead
2024-12-27	98.60	99.91	-1.37	TMUS ahead
2024-12-26	98.65	100.21	-1.40	TMUS ahead
2024-12-24	98.91	99.91	-1.37	TMUS ahead
2024-12-23	98.39	99.31	-1.38	TMUS ahead
2024-12-20	97.69	98.70	-1.40	TMUS ahead
2024-12-19	98.62	97.67	-1.27	TMUS ahead
2024-12-18	98.42	98.87	-1.38	TMUS ahead
2024-12-17	98.36	98.88	-1.40	TMUS ahead
2024-12-16	98.49	102.80	-1.68	TMUS ahead
2024-12-13	99.14	103.91	-1.73	TMUS ahead
2024-12-12	99.01	104.51	-1.80	TMUS ahead
2024-12-11	99.06	104.99	-1.85	TMUS ahead
2024-12-10	99.66	104.61	-1.80	TMUS ahead
2024-12-09	100.00	102.53	-1.64	TMUS ahead
2024-12-06	99.74	109.22	-2.15	TMUS ahead
2024-12-05	100.26	109.29	-2.14	TMUS ahead
2024-12-04	99.90	108.90	-2.17	TMUS ahead
2024-12-03	98.86	109.69	-2.33	TMUS ahead
2024-12-02	99.01	109.68	-2.35	TMUS ahead
2024-11-29	98.94	110.63	-2.45	TMUS ahead
2024-11-27	99.56	110.30	-2.42	TMUS ahead
2024-11-26	99.64	109.73	-2.40	TMUS ahead
2024-11-25	99.79	107.50	-2.26	TMUS ahead
2024-11-22	98.70	106.75	-2.33	TMUS ahead
2024-11-21	98.39	105.99	-2.33	TMUS ahead
2024-11-20	98.03	105.49	-2.35	TMUS ahead
2024-11-19	98.81	104.48	-2.24	TMUS ahead
2024-11-18	98.34	106.19	-2.45	TMUS ahead
2024-11-15	97.66	105.56	-2.49	TMUS ahead
2024-11-14	97.01	106.51	-2.67	TMUS ahead
2024-11-13	98.52	107.92	-2.70	TMUS ahead
2024-11-12	97.92	107.07	-2.73	TMUS ahead
2024-11-11	98.57	106.77	-2.70	TMUS ahead
2024-11-08	98.42	105.42	-2.65	TMUS ahead
2024-11-07	98.99	103.71	-2.49	TMUS ahead
2024-11-06	96.73	104.02	-2.77	TMUS ahead
2024-11-05	100.03	101.75	-2.31	TMUS ahead
2024-11-04	98.96	100.47	-2.33	TMUS ahead
2024-11-01	98.36	100.03	-2.38	TMUS ahead
2024-10-31	97.90	99.98	-2.45	TMUS ahead
2024-10-30	98.23	99.80	-2.44	TMUS ahead
2024-10-29	98.47	101.27	-2.59	TMUS ahead
2024-10-28	98.44	102.06	-2.72	TMUS ahead
2024-10-25	98.16	101.41	-2.73	TMUS ahead
2024-10-24	98.00	104.64	-3.11	TMUS ahead
2024-10-23	98.36	98.99	-2.57	TMUS ahead
2024-10-22	99.38	98.12	-2.42	TMUS ahead
2024-10-21	98.75	99.80	-2.69	TMUS ahead
2024-10-18	100.00	100.00	-2.63	TMUS ahead

One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Dec 9, 2024 (CHT +0.3%, TMUS -6.1%); Jan 29, 2025 (CHT -0.6%, TMUS +6.3%); Apr 25, 2025 (CHT -0.7%, TMUS -11.2%); Apr 29, 2026 (CHT -1.4%, TMUS +6.1%); Jul 23, 2026 (CHT -1.1%, TMUS -10.8%); Oct 9, 2026 (CHT -0.5%, TMUS -13.3%). Upcoming earnings: TMUS Oct 28, 2026 (after-hours); CHT 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

CHT and TMUS at a glance

CHT Chunghwa Telecom Co. Ltd.

Listing: NYSE · SEC CIK 1132924
Industry: Telecommunications Equipment · SIC 4812 Radiotelephone Communications
Market value: $36.9B
Price history: 2,521 daily closes, Oct 12, 2016 to Oct 22, 2026

TMUS T-Mobile US Inc.

Listing: Nasdaq · SEC CIK 1283699
Industry: Telecommunications Equipment · SIC 4812 Radiotelephone Communications
Market value: $167.4B
Price history: 2,521 daily closes, Oct 12, 2016 to Oct 22, 2026

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

All pairs →

Pair	Status	Ahead now	Industry
TMUS / VOD	Watchlist	VOD by 1.68 sd	SIC 4812 Radiotelephone Communications
VZ / TMUS	Watchlist	VZ by 1.48 sd	Telecommunications Equipment
TMUS / T	Watchlist	T by 1.25 sd	Telecommunications Equipment
CHT / VOD	Watchlist	neither	SIC 4812 Radiotelephone Communications

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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.