SIC 3350 Rolling Drawing & Extruding of Nonferrous Metals

Howmet Aerospace Inc. vs Mueller Industries Inc.

WatchlistHWM / MLIPrices through Oct 22, 2026

Why these are rivals: #1 and #2 by market value ($88B vs $13B) with SEC SIC 3350 (Rolling Drawing & Extruding of Nonferrous Metals).

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: 0.30 (needs >= 0.60)
  • Mean reversion: ADF t-statistic of the spread: -2.02 (needs <= -2.873 (5% critical value))
Business leadership

HWM is the larger business

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

YearHWMMLILarger
2025$8.3B$4.2BHWM
2024$7.4B$3.8BHWM
2023$6.6B$3.4BHWM
2022$5.7B$4.0BHWM
2021$5.0B$3.8BHWM
2020$5.3B$2.4BHWM

HWM led in every year with figures for both. Market value: HWM $87.7B, MLI $13.5B.

Stock leadership

MLI is ahead now

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

MLI leads HWM by 1.03 standard deviations: +10.5% over its usual price ratio. 5 lead switches in the last year.

Price change3 mo6 mo12 mo
HWM-33.2%-21.5%-2.0%
MLI-14.7%-19.7%+4.5%
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: 0.30 (needs >= 0.60)
Fail
Mean reversion: ADF t-statistic of the spread: -2.02 (needs <= -2.873 (5% critical value))
Pass
Speed: half-life of the spread, sessions: 20.72 (needs <= 63)
Data
Both stocks current
The twins over two years

Prices side by side, and the gap between them

HWM Howmet Aerospace Inc. MLI Mueller Industries Inc.Price index, 100 = 2024-10-18. Tint = which stock is ahead of the pair's usual 1-year relationship (z beyond +/-0.5).
100200Oct 2024Oct 2025Oct 2026HWM 183MLI 151
Spread z-score: HWM relative to MLI, against the 252 sessions before each day. Above 0: HWM ahead; below 0: MLI ahead. Lines at +/-2 (idea) and +/-4 (stop).
-4stop-2idea0+2idea+4stopOct 2024Oct 2025Oct 2026
Data table (504 sessions)
DateHWM indexMLI indexzAhead
2026-10-22183.14150.99-1.03MLI ahead
2026-10-21197.22159.32-0.82MLI ahead
2026-10-20200.52157.30-0.52MLI ahead
2026-10-19208.48168.41-0.83MLI ahead
2026-10-16209.36166.33-0.66MLI ahead
2026-10-15208.17167.80-0.81MLI ahead
2026-10-14206.12168.21-0.94MLI ahead
2026-10-13205.46170.32-1.11MLI ahead
2026-10-12209.22168.54-0.82MLI ahead
2026-10-09213.44168.10-0.58MLI ahead
2026-10-08210.88167.49-0.67MLI ahead
2026-10-07211.06166.75-0.62MLI ahead
2026-10-06219.44174.80-0.71MLI ahead
2026-10-05217.52174.36-0.78MLI ahead
2026-10-02219.13173.22-0.63MLI ahead
2026-10-01216.39169.79-0.56MLI ahead
2026-09-30214.31167.83-0.54MLI ahead
2026-09-29218.82168.32-0.35near the usual relationship
2026-09-28216.34168.82-0.50MLI ahead
2026-09-25220.28167.58-0.23near the usual relationship
2026-09-24217.34166.19-0.29near the usual relationship
2026-09-23216.77167.05-0.37near the usual relationship
2026-09-22213.53165.86-0.45near the usual relationship
2026-09-21215.43165.94-0.37near the usual relationship
2026-09-18217.61166.33-0.28near the usual relationship
2026-09-17213.91167.05-0.51MLI ahead
2026-09-16215.78167.63-0.46near the usual relationship
2026-09-15212.88167.60-0.60MLI ahead
2026-09-14215.21166.14-0.39near the usual relationship
2026-09-11217.56167.47-0.36near the usual relationship
2026-09-10215.95166.58-0.38near the usual relationship
2026-09-09220.41176.41-0.77MLI ahead
2026-09-08219.38176.05-0.80MLI ahead
2026-09-04245.66176.49+0.37near the usual relationship
2026-09-03246.82174.33+0.55HWM ahead
2026-09-02239.68171.87+0.40near the usual relationship
2026-09-01241.51169.02+0.66HWM ahead
2026-08-31232.09172.81+0.01near the usual relationship
2026-08-28250.95173.89+0.77HWM ahead
2026-08-27253.60177.71+0.66HWM ahead
2026-08-26255.20177.43+0.75HWM ahead
2026-08-25250.18170.32+0.98HWM ahead
2026-08-24249.47175.69+0.63HWM ahead
2026-08-21257.42175.05+1.00HWM ahead
2026-08-20259.28171.56+1.30HWM ahead
2026-08-19268.60173.70+1.55HWM ahead
2026-08-18277.29178.54+1.62HWM ahead
2026-08-17273.94184.49+1.15HWM ahead
2026-08-14274.00182.47+1.28HWM ahead
2026-08-13267.97184.47+0.93HWM ahead
2026-08-12266.85189.06+0.62HWM ahead
2026-08-11266.57189.53+0.58HWM ahead
2026-08-10268.82190.78+0.60HWM ahead
2026-08-07267.08190.64+0.54HWM ahead
2026-08-06274.51192.33+0.74HWM ahead
2026-08-05276.12191.78+0.83HWM ahead
2026-08-04273.07189.26+0.85HWM ahead
2026-08-03271.31184.27+1.07HWM ahead
2026-07-31267.44183.88+0.94HWM ahead
2026-07-30262.73185.13+0.67HWM ahead
2026-07-29258.47181.09+0.73HWM ahead
2026-07-28271.03184.11+1.06HWM ahead
2026-07-27272.83177.68+1.52HWM ahead
2026-07-24274.08176.96+1.62HWM ahead
2026-07-23272.02174.80+1.68HWM ahead
2026-07-22265.97173.50+1.51HWM ahead
2026-07-21264.35172.50+1.51HWM ahead
2026-07-20257.70163.28+1.83HWM ahead
2026-07-17258.13163.73+1.83HWM ahead
2026-07-16256.95163.28+1.82HWM ahead
2026-07-15264.58159.24+2.44HWM ahead
2026-07-14262.25161.68+2.20HWM ahead
2026-07-13257.04156.28+2.38HWM ahead
2026-07-10256.63157.80+2.28HWM ahead
2026-07-09259.40160.21+2.25HWM ahead
2026-07-08257.32154.34+2.61HWM ahead
2026-07-07260.97154.15+2.82HWM ahead
2026-07-06263.32157.39+2.73HWM ahead
2026-07-02256.22156.44+2.51HWM ahead
2026-07-01253.37158.99+2.18HWM ahead
2026-06-30254.75170.19+1.43HWM ahead
2026-06-29254.47170.05+1.42HWM ahead
2026-06-26254.76177.49+0.92HWM ahead
2026-06-25258.80186.06+0.55HWM ahead
2026-06-24261.57184.37+0.77HWM ahead
2026-06-23260.69188.74+0.45near the usual relationship
2026-06-22265.64193.15+0.39near the usual relationship
2026-06-18263.09190.21+0.44near the usual relationship
2026-06-17268.36191.51+0.58HWM ahead
2026-06-16262.86191.10+0.36near the usual relationship
2026-06-15256.24190.71+0.10near the usual relationship
2026-06-12250.78191.18-0.17near the usual relationship
2026-06-11250.71187.58+0.03near the usual relationship
2026-06-10236.39183.36-0.37near the usual relationship
2026-06-09243.66187.82-0.31near the usual relationship
2026-06-08233.61184.49-0.58MLI ahead
2026-06-05238.68183.86-0.32near the usual relationship
2026-06-04236.24183.55-0.41near the usual relationship
2026-06-03235.58181.85-0.35near the usual relationship
2026-06-02237.56180.77-0.20near the usual relationship
2026-06-01242.11174.87+0.35near the usual relationship
2026-05-29244.69178.04+0.27near the usual relationship
2026-05-28246.25177.10+0.39near the usual relationship
2026-05-27244.48188.00-0.33near the usual relationship
2026-05-26248.14191.75-0.38near the usual relationship
2026-05-22243.08184.67-0.21near the usual relationship
2026-05-21246.25184.94-0.09near the usual relationship
2026-05-20247.50185.63-0.08near the usual relationship
2026-05-19239.83182.53-0.23near the usual relationship
2026-05-18243.50188.48-0.41near the usual relationship
2026-05-15246.68188.90-0.30near the usual relationship
2026-05-14258.07192.86-0.05near the usual relationship
2026-05-13258.76193.20-0.04near the usual relationship
2026-05-12255.60191.87-0.10near the usual relationship
2026-05-11259.22194.81-0.11near the usual relationship
2026-05-08256.36194.97-0.24near the usual relationship
2026-05-07258.23190.72+0.06near the usual relationship
2026-05-06242.97192.62-0.69MLI ahead
2026-05-05229.95188.65-1.05MLI ahead
2026-05-04227.12181.16-0.76MLI ahead
2026-05-01226.94184.18-0.95MLI ahead
2026-04-30230.28187.50-0.98MLI ahead
2026-04-29224.10183.95-1.07MLI ahead
2026-04-28227.81187.79-1.12MLI ahead
2026-04-27229.01188.98-1.13MLI ahead
2026-04-24229.71188.32-1.07MLI ahead
2026-04-23233.24187.93-0.88MLI ahead
2026-04-22228.24186.82-1.05MLI ahead
2026-04-21234.72186.52-0.73MLI ahead
2026-04-20242.20167.38+0.75HWM ahead
2026-04-17242.27169.08+0.65HWM ahead
2026-04-16234.60163.71+0.66HWM ahead
2026-04-15240.70167.05+0.72HWM ahead
2026-04-14244.49171.34+0.63HWM ahead
2026-04-13242.69170.62+0.60HWM ahead
2026-04-10239.41167.74+0.64HWM ahead
2026-04-09240.72167.34+0.73HWM ahead
2026-04-08236.88164.00+0.77HWM ahead
2026-04-07223.63156.24+0.69HWM ahead
2026-04-06224.15156.03+0.73HWM ahead
2026-04-02220.47153.29+0.75HWM ahead
2026-04-01226.49155.79+0.87HWM ahead
2026-03-31218.36153.40+0.66HWM ahead
2026-03-30211.28149.37+0.60HWM ahead
2026-03-27215.94150.15+0.78HWM ahead
2026-03-26218.41151.60+0.80HWM ahead
2026-03-25228.94155.06+1.05HWM ahead
2026-03-24226.94153.81+1.05HWM ahead
2026-03-23223.65152.33+1.01HWM ahead
2026-03-20219.07149.19+1.02HWM ahead
2026-03-19220.71152.21+0.90HWM ahead
2026-03-18229.23152.93+1.23HWM ahead
2026-03-17227.63153.47+1.14HWM ahead
2026-03-16228.09153.05+1.19HWM ahead
2026-03-13224.32151.78+1.12HWM ahead
2026-03-12231.02153.45+1.30HWM ahead
2026-03-11238.44157.70+1.35HWM ahead
2026-03-10240.58158.12+1.41HWM ahead
2026-03-09240.80158.48+1.41HWM ahead
2026-03-06237.00158.69+1.26HWM ahead
2026-03-05239.14161.93+1.16HWM ahead
2026-03-04246.44164.35+1.31HWM ahead
2026-03-03245.25163.74+1.31HWM ahead
2026-03-02251.19164.85+1.49HWM ahead
2026-02-27248.75163.31+1.50HWM ahead
2026-02-26246.65166.77+1.23HWM ahead
2026-02-25246.01164.18+1.36HWM ahead
2026-02-24247.25166.25+1.30HWM ahead
2026-02-23243.55163.71+1.32HWM ahead
2026-02-20244.55166.25+1.22HWM ahead
2026-02-19238.11164.89+1.05HWM ahead
2026-02-18236.26161.97+1.16HWM ahead
2026-02-17239.29164.43+1.14HWM ahead
2026-02-13237.08165.39+1.01HWM ahead
2026-02-12231.94164.54+0.86HWM ahead
2026-02-11218.73166.93+0.18near the usual relationship
2026-02-10212.69165.14+0.02near the usual relationship
2026-02-09213.33160.46+0.33near the usual relationship
2026-02-06211.45163.17+0.09near the usual relationship
2026-02-05198.63159.57-0.27near the usual relationship
2026-02-04197.66158.73-0.26near the usual relationship
2026-02-03202.28171.19-0.74MLI ahead
2026-02-02196.33192.69-2.10MLI ahead
2026-01-30197.16188.48-1.87MLI ahead
2026-01-29197.96190.20-1.92MLI ahead
2026-01-28199.77186.22-1.64MLI ahead
2026-01-27204.22186.11-1.43MLI ahead
2026-01-26204.08185.27-1.39MLI ahead
2026-01-23203.61183.76-1.33MLI ahead
2026-01-22206.27184.30-1.23MLI ahead
2026-01-21213.19185.34-0.97MLI ahead
2026-01-20208.79181.52-0.96MLI ahead
2026-01-16213.09183.90-0.89MLI ahead
2026-01-15212.49181.03-0.76MLI ahead
2026-01-14208.69178.00-0.76MLI ahead
2026-01-13208.11174.46-0.59MLI ahead
2026-01-12208.59172.23-0.45near the usual relationship
2026-01-09206.81171.12-0.46near the usual relationship
2026-01-08199.00167.98-0.61MLI ahead
2026-01-07199.83164.86-0.41near the usual relationship
2026-01-06203.42166.01-0.30near the usual relationship
2026-01-05201.74165.06-0.31near the usual relationship
2026-01-02200.60161.72-0.18near the usual relationship
2025-12-31194.26158.94-0.29near the usual relationship
2025-12-30196.90161.17-0.28near the usual relationship
2025-12-29198.49162.97-0.29near the usual relationship
2025-12-26200.13163.55-0.25near the usual relationship
2025-12-24201.03163.81-0.22near the usual relationship
2025-12-23198.57162.51-0.24near the usual relationship
2025-12-22197.24162.51-0.28near the usual relationship
2025-12-19192.81160.04-0.32near the usual relationship
2025-12-18187.61156.14-0.33near the usual relationship
2025-12-17181.15155.89-0.57MLI ahead
2025-12-16184.93157.46-0.48near the usual relationship
2025-12-15186.89158.69-0.45near the usual relationship
2025-12-12187.90157.64-0.36near the usual relationship
2025-12-11185.61157.83-0.44near the usual relationship
2025-12-10182.29156.21-0.49near the usual relationship
2025-12-09181.32152.24-0.34near the usual relationship
2025-12-08183.48154.78-0.37near the usual relationship
2025-12-05180.96157.12-0.57MLI ahead
2025-12-04185.97156.47-0.34near the usual relationship
2025-12-03184.09154.51-0.32near the usual relationship
2025-12-02185.96153.32-0.19near the usual relationship
2025-12-01188.31151.83-0.03near the usual relationship
2025-11-28193.85152.11+0.17near the usual relationship
2025-11-26193.89152.82+0.14near the usual relationship
2025-11-25192.99152.06+0.15near the usual relationship
2025-11-24189.62149.52+0.16near the usual relationship
2025-11-21186.92147.57+0.16near the usual relationship
2025-11-20187.53144.72+0.31near the usual relationship
2025-11-19191.45147.92+0.31near the usual relationship
2025-11-18190.66146.26+0.37near the usual relationship
2025-11-17189.77145.11+0.39near the usual relationship
2025-11-14192.62148.03+0.37near the usual relationship
2025-11-13190.73148.35+0.30near the usual relationship
2025-11-12194.31151.07+0.31near the usual relationship
2025-11-11197.93149.91+0.48near the usual relationship
2025-11-10198.73149.13+0.54HWM ahead
2025-11-07195.81148.26+0.49near the usual relationship
2025-11-06194.92147.40+0.50HWM ahead
2025-11-05195.48149.43+0.45near the usual relationship
2025-11-04194.26148.50+0.45near the usual relationship
2025-11-03195.89149.52+0.47near the usual relationship
2025-10-31195.14146.57+0.57HWM ahead
2025-10-30191.18145.95+0.48near the usual relationship
2025-10-29192.80145.04+0.57HWM ahead
2025-10-28190.49144.55+0.53HWM ahead
2025-10-27191.25143.58+0.59HWM ahead
2025-10-24188.09142.59+0.54HWM ahead
2025-10-23189.60144.28+0.53HWM ahead
2025-10-22181.19144.28+0.29near the usual relationship
2025-10-21186.83144.51+0.45near the usual relationship
2025-10-20182.41138.82+0.54HWM ahead
2025-10-17179.72136.47+0.56HWM ahead
2025-10-16181.62136.47+0.62HWM ahead
2025-10-15182.18137.27+0.61HWM ahead
2025-10-14182.90138.32+0.60HWM ahead
2025-10-13180.02135.97+0.61HWM ahead
2025-10-10174.43134.24+0.52HWM ahead
2025-10-09178.92135.59+0.60HWM ahead
2025-10-08181.59138.85+0.56HWM ahead
2025-10-07181.41136.62+0.65HWM ahead
2025-10-06180.48137.96+0.58HWM ahead
2025-10-03179.32139.14+0.50HWM ahead
2025-10-02181.05139.21+0.56HWM ahead
2025-10-01184.62138.38+0.70HWM ahead
2025-09-30185.93139.98+0.68HWM ahead
2025-09-29181.85138.82+0.61HWM ahead
2025-09-26183.01140.38+0.59HWM ahead
2025-09-25179.88138.36+0.58HWM ahead
2025-09-24180.23137.92+0.62HWM ahead
2025-09-23183.42140.80+0.61HWM ahead
2025-09-22182.06139.83+0.61HWM ahead
2025-09-19180.24137.98+0.63HWM ahead
2025-09-18181.77138.79+0.65HWM ahead
2025-09-17175.66136.73+0.56HWM ahead
2025-09-16177.62136.83+0.62HWM ahead
2025-09-15179.32136.81+0.67HWM ahead
2025-09-12176.02137.01+0.57HWM ahead
2025-09-11174.54136.88+0.54HWM ahead
2025-09-10174.15135.08+0.60HWM ahead
2025-09-09169.58132.12+0.59HWM ahead
2025-09-08170.01134.69+0.50HWM ahead
2025-09-05168.85135.04+0.46near the usual relationship
2025-09-04170.11134.81+0.51HWM ahead
2025-09-03165.33131.97+0.48near the usual relationship
2025-09-02164.13132.47+0.43near the usual relationship
2025-08-29164.96132.83+0.45near the usual relationship
2025-08-28166.91133.60+0.48near the usual relationship
2025-08-27166.43133.66+0.47near the usual relationship
2025-08-26166.69132.87+0.51HWM ahead
2025-08-25162.25130.97+0.45near the usual relationship
2025-08-22162.02130.62+0.46near the usual relationship
2025-08-21164.16125.52+0.74HWM ahead
2025-08-20162.91126.90+0.65HWM ahead
2025-08-19162.88128.17+0.60HWM ahead
2025-08-18163.97127.47+0.67HWM ahead
2025-08-15162.26126.78+0.65HWM ahead
2025-08-14166.75127.59+0.76HWM ahead
2025-08-13167.52129.77+0.71HWM ahead
2025-08-12171.40128.45+0.88HWM ahead
2025-08-11170.44124.56+1.02HWM ahead
2025-08-08171.26123.33+1.10HWM ahead
2025-08-07172.05122.19+1.18HWM ahead
2025-08-06172.50120.91+1.26HWM ahead
2025-08-05169.91120.97+1.19HWM ahead
2025-08-04171.65117.80+1.39HWM ahead
2025-08-01174.59115.38+1.59HWM ahead
2025-07-31170.33118.19+1.36HWM ahead
2025-07-30182.05121.14+1.58HWM ahead
2025-07-29179.24121.72+1.49HWM ahead
2025-07-28178.29121.68+1.48HWM ahead
2025-07-25179.57122.83+1.48HWM ahead
2025-07-24176.99122.25+1.44HWM ahead
2025-07-23176.62120.60+1.51HWM ahead
2025-07-22173.72118.65+1.52HWM ahead
2025-07-21177.97115.49+1.80HWM ahead
2025-07-18180.49116.96+1.83HWM ahead
2025-07-17178.92118.81+1.72HWM ahead
2025-07-16174.63117.60+1.66HWM ahead
2025-07-15174.99117.11+1.71HWM ahead
2025-07-14174.64118.88+1.64HWM ahead
2025-07-11170.25119.60+1.49HWM ahead
2025-07-10169.16118.54+1.52HWM ahead
2025-07-09171.90117.44+1.67HWM ahead
2025-07-08170.04115.26+1.73HWM ahead
2025-07-07170.79113.79+1.84HWM ahead
2025-07-03171.56114.41+1.86HWM ahead
2025-07-02166.71115.12+1.69HWM ahead
2025-07-01166.97113.62+1.78HWM ahead
2025-06-30176.36110.02+2.29HWM ahead
2025-06-27175.19110.20+2.28HWM ahead
2025-06-26167.57109.76+2.08HWM ahead
2025-06-25166.84106.85+2.24HWM ahead
2025-06-24167.30107.34+2.26HWM ahead
2025-06-23166.41106.58+2.30HWM ahead
2025-06-20164.24101.76+2.54HWM ahead
2025-06-18161.29100.75+2.53HWM ahead
2025-06-17163.09100.53+2.66HWM ahead
2025-06-16162.59102.52+2.57HWM ahead
2025-06-13162.21102.82+2.58HWM ahead
2025-06-12162.52105.83+2.45HWM ahead
2025-06-11161.78108.49+2.30HWM ahead
2025-06-10159.77108.58+2.25HWM ahead
2025-06-09163.80107.21+2.53HWM ahead
2025-06-06166.16107.19+2.67HWM ahead
2025-06-05165.82106.89+2.72HWM ahead
2025-06-04164.81107.84+2.67HWM ahead
2025-06-03163.55108.92+2.60HWM ahead
2025-06-02163.59107.12+2.77HWM ahead
2025-05-30160.97107.81+2.66HWM ahead
2025-05-29161.16107.91+2.71HWM ahead
2025-05-28161.38106.69+2.86HWM ahead
2025-05-27160.78108.60+2.75HWM ahead
2025-05-23156.42105.03+2.85HWM ahead
2025-05-22154.45105.36+2.79HWM ahead
2025-05-21154.22107.17+2.70HWM ahead
2025-05-20156.43107.84+2.81HWM ahead
2025-05-19157.51108.68+2.86HWM ahead
2025-05-16154.25109.90+2.66HWM ahead
2025-05-15152.82109.44+2.67HWM ahead
2025-05-14151.09109.82+2.59HWM ahead
2025-05-13149.99109.44+2.60HWM ahead
2025-05-12148.72108.28+2.67HWM ahead
2025-05-09149.15103.82+3.12HWM ahead
2025-05-08149.23103.63+3.22HWM ahead
2025-05-07148.87102.17+3.41HWM ahead
2025-05-06147.62102.19+3.42HWM ahead
2025-05-05146.24104.06+3.23HWM ahead
2025-05-02145.98104.60+3.23HWM ahead
2025-05-01140.26101.73+3.17HWM ahead
2025-04-30131.31101.84+2.57HWM ahead
2025-04-29130.28100.83+2.61HWM ahead
2025-04-28129.19100.84+2.55HWM ahead
2025-04-25128.63101.08+2.51HWM ahead
2025-04-24126.48102.42+2.24HWM ahead
2025-04-23122.89100.03+2.22HWM ahead
2025-04-22117.7897.30+2.10HWM ahead
2025-04-21113.2094.77+1.99HWM ahead
2025-04-17116.7698.23+1.96HWM ahead
2025-04-16117.4298.19+2.04HWM ahead
2025-04-15117.94101.80+1.75HWM ahead
2025-04-14120.77102.09+1.98HWM ahead
2025-04-11119.07102.62+1.80HWM ahead
2025-04-10117.67100.53+1.91HWM ahead
2025-04-09121.37104.83+1.82HWM ahead
2025-04-08108.6094.84+1.73HWM ahead
2025-04-07109.7096.64+1.65HWM ahead
2025-04-04106.4397.74+1.25HWM ahead
2025-04-03118.44102.56+1.85HWM ahead
2025-04-02126.87109.91+1.87HWM ahead
2025-04-01124.86107.32+1.97HWM ahead
2025-03-31122.92105.41+2.02HWM ahead
2025-03-28122.88106.04+1.98HWM ahead
2025-03-27125.48107.31+2.10HWM ahead
2025-03-26127.10109.22+2.07HWM ahead
2025-03-25130.49109.68+2.34HWM ahead
2025-03-24128.96110.02+2.21HWM ahead
2025-03-21123.98106.95+2.12HWM ahead
2025-03-20124.76110.19+1.89HWM ahead
2025-03-19125.05112.76+1.68HWM ahead
2025-03-18121.52109.80+1.68HWM ahead
2025-03-17122.48112.67+1.50HWM ahead
2025-03-14119.87110.05+1.53HWM ahead
2025-03-13116.33108.27+1.40HWM ahead
2025-03-12121.21109.14+1.78HWM ahead
2025-03-11118.91113.57+1.14HWM ahead
2025-03-10115.89111.95+1.02HWM ahead
2025-03-07117.87113.61+1.05HWM ahead
2025-03-06117.96110.12+1.42HWM ahead
2025-03-05123.46110.66+1.89HWM ahead
2025-03-04120.35108.27+1.87HWM ahead
2025-03-03124.14110.07+2.06HWM ahead
2025-02-28129.43111.01+2.47HWM ahead
2025-02-27126.42109.10+2.44HWM ahead
2025-02-26125.05110.34+2.22HWM ahead
2025-02-25123.39111.17+2.00HWM ahead
2025-02-24122.76110.19+2.07HWM ahead
2025-02-21123.01108.53+2.30HWM ahead
2025-02-20131.17111.56+2.79HWM ahead
2025-02-19132.07112.99+2.77HWM ahead
2025-02-18129.50113.91+2.47HWM ahead
2025-02-14126.42112.53+2.36HWM ahead
2025-02-13121.36111.62+1.97HWM ahead
2025-02-12121.37109.95+2.18HWM ahead
2025-02-11122.53111.89+2.10HWM ahead
2025-02-10121.47111.30+2.08HWM ahead
2025-02-07121.00111.13+2.07HWM ahead
2025-02-06122.23112.65+2.05HWM ahead
2025-02-05121.09108.42+2.45HWM ahead
2025-02-04118.89105.61+2.59HWM ahead
2025-02-03119.75108.02+2.42HWM ahead
2025-01-31119.94109.03+2.33HWM ahead
2025-01-30120.68110.91+2.21HWM ahead
2025-01-29119.73110.08+2.23HWM ahead
2025-01-28119.77110.83+2.16HWM ahead
2025-01-27115.67109.22+1.92HWM ahead
2025-01-24120.36111.93+2.14HWM ahead
2025-01-23121.03113.29+2.08HWM ahead
2025-01-22120.06112.78+2.05HWM ahead
2025-01-21120.49114.45+1.92HWM ahead
2025-01-17118.72113.69+1.83HWM ahead
2025-01-16116.52113.32+1.64HWM ahead
2025-01-15115.46112.47+1.63HWM ahead
2025-01-14112.93111.64+1.45HWM ahead
2025-01-13108.73109.54+1.21HWM ahead
2025-01-10106.73108.28+1.12HWM ahead
2025-01-08109.01110.47+1.14HWM ahead
2025-01-07105.80109.54+0.87HWM ahead
2025-01-06106.57111.84+0.69HWM ahead
2025-01-03106.84111.78+0.74HWM ahead
2025-01-02104.97110.38+0.68HWM ahead
2024-12-31103.63109.87+0.58HWM ahead
2024-12-30104.49110.44+0.62HWM ahead
2024-12-27105.39110.70+0.71HWM ahead
2024-12-26106.62112.22+0.69HWM ahead
2024-12-24106.16111.63+0.71HWM ahead
2024-12-23104.74110.23+0.70HWM ahead
2024-12-20105.01111.01+0.65HWM ahead
2024-12-19103.61110.05+0.60HWM ahead
2024-12-18102.04108.97+0.54HWM ahead
2024-12-17106.05114.20+0.44near the usual relationship
2024-12-16107.33116.39+0.36near the usual relationship
2024-12-13107.48114.19+0.62HWM ahead
2024-12-12107.73114.84+0.58HWM ahead
2024-12-11109.99116.41+0.67HWM ahead
2024-12-10108.09110.98+1.06HWM ahead
2024-12-09107.78108.07+1.36HWM ahead
2024-12-06112.10108.99+1.76HWM ahead
2024-12-05113.77109.28+1.93HWM ahead
2024-12-04113.79108.93+2.00HWM ahead
2024-12-03112.86109.21+1.89HWM ahead
2024-12-02111.51111.80+1.45HWM ahead
2024-11-29112.17111.82+1.53HWM ahead
2024-11-27110.57111.91+1.35HWM ahead
2024-11-26111.03112.61+1.34HWM ahead
2024-11-25109.76113.73+1.07HWM ahead
2024-11-22112.22121.69+0.48near the usual relationship
2024-11-21110.84126.96-0.22near the usual relationship
2024-11-20111.90125.99+0.00near the usual relationship
2024-11-19109.91125.54-0.19near the usual relationship
2024-11-18107.23125.10-0.46near the usual relationship
2024-11-15106.13122.77-0.35near the usual relationship
2024-11-14107.28124.81-0.42near the usual relationship
2024-11-13109.69125.99-0.26near the usual relationship
2024-11-12107.62129.38-0.85MLI ahead
2024-11-11108.66132.00-0.99MLI ahead
2024-11-08107.68130.69-0.98MLI ahead
2024-11-07105.38129.46-1.15MLI ahead
2024-11-06108.83131.52-0.94MLI ahead
2024-11-0596.80117.31-0.97MLI ahead
2024-11-0494.60114.91-1.01MLI ahead
2024-11-0194.78112.78-0.73MLI ahead
2024-10-3194.49113.48-0.85MLI ahead
2024-10-3095.83114.91-0.82MLI ahead
2024-10-2994.84114.91-0.95MLI ahead
2024-10-2897.01114.99-0.66MLI ahead
2024-10-2596.07113.32-0.60MLI ahead
2024-10-2495.34113.25-0.68MLI ahead
2024-10-2397.43112.14-0.28near the usual relationship
2024-10-2297.26113.83-0.49near the usual relationship
2024-10-21100.7499.79+1.66HWM ahead
2024-10-18100.00100.00+1.55HWM ahead

One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Oct 22, 2024 (HWM -3.5%, MLI +14.1%); Feb 3, 2026 (HWM +3.0%, MLI -11.2%); Apr 21, 2026 (HWM -3.1%, MLI +11.4%); Sep 8, 2026 (HWM -10.7%, MLI -0.3%). Upcoming earnings: HWM 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

HWM and MLI at a glance

HWM Howmet Aerospace Inc.

Listing
NYSE · SEC CIK 4281
Industry
Metal Fabrications · SIC 3350 Rolling Drawing & Extruding of Nonferrous Metals
Market value
$87.7B
Price history
2,521 daily closes, Oct 12, 2016 to Oct 22, 2026

MLI Mueller Industries Inc.

Listing
NYSE · SEC CIK 89439
Industry
Metal Fabrications · SIC 3350 Rolling Drawing & Extruding of Nonferrous Metals
Market value
$13.5B
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.

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Explore the private beta

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.