SIC 3724 Aircraft Engines & Engine Parts

Honeywell Aerospace Inc. vs RTX Corporation

Short historyHONA / RTXPrices through Oct 22, 2026

Why these are rivals: #1 and #3 by market value ($259B vs $52B) with SEC SIC 3724 (Aircraft Engines & Engine Parts).

Less than a year of shared trading history, so no relationship can be measured yet.

Aligned sessions: 91 (needs >= 254)

Business leadership

Business size

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

Year	HONA	RTX	Larger
2025	-	$88.6B	-
2024	-	$80.7B	-
2023	-	$68.9B	-
2022	-	$67.1B	-
2021	-	$64.4B	-
2020	-	$56.6B	-

Market value: HONA $51.5B, RTX $258.9B.

Stock leadership

Neither is clearly ahead

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

No statistic yet.

Price change	3 mo	6 mo	12 mo
HONA	-20.1%	-	-
RTX	-8.5%	-	-

Relationship

Not a measured twin today

Only these tests can make a pair tradable on paper.

Fail: Aligned sessions: 91 (needs >= 254)
Data: Both stocks current

The twins over two years

Prices side by side, and the gap between them

HONA Honeywell Aerospace Inc. RTX RTX CorporationPrice index, 100 = 2026-06-15. Tint = which stock is ahead of the pair's usual 1-year relationship (z beyond +/-0.5).

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

Data table (91 sessions)

Date	HONA index	RTX index	z
2026-10-22	81.51	106.03	n/a
2026-10-21	81.23	104.33	n/a
2026-10-20	79.95	105.28	n/a
2026-10-19	81.25	104.61	n/a
2026-10-16	84.05	105.60	n/a
2026-10-15	81.56	101.80	n/a
2026-10-14	78.36	101.54	n/a
2026-10-13	79.09	99.66	n/a
2026-10-12	78.64	101.64	n/a
2026-10-09	78.97	101.27	n/a
2026-10-08	77.01	100.37	n/a
2026-10-07	76.54	98.16	n/a
2026-10-06	78.69	99.81	n/a
2026-10-05	77.87	100.38	n/a
2026-10-02	77.32	100.57	n/a
2026-10-01	77.04	100.75	n/a
2026-09-30	77.49	101.09	n/a
2026-09-29	77.72	101.80	n/a
2026-09-28	76.16	102.19	n/a
2026-09-25	79.39	103.14	n/a
2026-09-24	79.23	102.71	n/a
2026-09-23	81.67	104.66	n/a
2026-09-22	83.66	104.00	n/a
2026-09-21	84.52	105.83	n/a
2026-09-18	81.80	105.64	n/a
2026-09-17	83.57	105.39	n/a
2026-09-16	82.09	107.18	n/a
2026-09-15	79.25	106.46	n/a
2026-09-14	82.04	106.37	n/a
2026-09-11	79.13	107.65	n/a
2026-09-10	76.88	107.88	n/a
2026-09-09	75.79	107.57	n/a
2026-09-08	77.71	108.26	n/a
2026-09-04	80.51	109.34	n/a
2026-09-03	77.48	110.07	n/a
2026-09-02	76.28	109.33	n/a
2026-09-01	77.12	111.72	n/a
2026-08-31	79.06	113.12	n/a
2026-08-28	81.19	115.29	n/a
2026-08-27	80.38	115.49	n/a
2026-08-26	82.01	115.44	n/a
2026-08-25	80.18	114.51	n/a
2026-08-24	80.60	113.93	n/a
2026-08-21	82.37	114.31	n/a
2026-08-20	82.95	115.60	n/a
2026-08-19	85.19	119.99	n/a
2026-08-18	80.38	122.79	n/a
2026-08-17	80.78	120.69	n/a
2026-08-14	83.18	121.42	n/a
2026-08-13	84.91	120.06	n/a
2026-08-12	83.90	121.30	n/a
2026-08-11	82.97	121.90	n/a
2026-08-10	81.55	122.04	n/a
2026-08-07	84.26	121.45	n/a
2026-08-06	78.24	121.57	n/a
2026-08-05	101.82	121.06	n/a
2026-08-04	108.24	118.67	n/a
2026-08-03	104.14	117.98	n/a
2026-07-31	103.37	117.20	n/a
2026-07-30	102.16	116.74	n/a
2026-07-29	102.60	117.21	n/a
2026-07-28	107.95	119.03	n/a
2026-07-27	105.42	118.94	n/a
2026-07-24	102.03	115.87	n/a
2026-07-23	97.94	113.90	n/a
2026-07-22	103.89	106.12	n/a
2026-07-21	100.07	105.46	n/a
2026-07-20	101.24	105.88	n/a
2026-07-17	105.81	105.37	n/a
2026-07-16	104.18	105.84	n/a
2026-07-15	106.28	106.67	n/a
2026-07-14	103.76	105.31	n/a
2026-07-13	106.53	106.94	n/a
2026-07-10	110.38	106.69	n/a
2026-07-09	111.56	106.29	n/a
2026-07-08	112.18	106.14	n/a
2026-07-07	119.07	109.37	n/a
2026-07-06	118.85	109.65	n/a
2026-07-02	123.58	108.50	n/a
2026-07-01	113.65	104.43	n/a
2026-06-30	110.54	103.32	n/a
2026-06-29	110.10	102.01	n/a
2026-06-26	110.50	102.37	n/a
2026-06-25	110.50	101.61	n/a
2026-06-24	122.50	100.77	n/a
2026-06-23	122.50	101.50	n/a
2026-06-22	130.51	99.01	n/a
2026-06-18	133.90	101.07	n/a
2026-06-17	134.98	104.87	n/a
2026-06-16	134.98	101.70	n/a
2026-06-15	100.00	100.00	n/a

No one-day company-specific move of 4+ standard deviations in this window. Upcoming earnings: HONA Oct 28, 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

HONA and RTX at a glance

HONA Honeywell Aerospace Inc.

Listing: Nasdaq · SEC CIK 2089271
Industry: Aerospace · SIC 3724 Aircraft Engines & Engine Parts
Market value: $51.5B
Price history: 91 daily closes, Jun 15, 2026 to Oct 22, 2026

RTX RTX Corporation

Listing: NYSE · SEC CIK 101829
Industry: Aerospace · SIC 3724 Aircraft Engines & Engine Parts
Market value: $258.9B
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
RTX / BA	Watchlist	RTX by 1.84 sd	Aerospace
RTX / HON	Watchlist	RTX by 1.38 sd	Aerospace
HON / HONA	Short history	neither	SIC 3724 Aircraft Engines & Engine Parts

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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.