SIC 1600 Heavy Construction Other Than Bldg Const - Contractors

Ferrovial N.V. vs Jacobs Solutions Inc.

WatchlistFER / JPrices through Oct 22, 2026

Why these are rivals: #1 and #2 by market value ($35B vs $16B) with SEC SIC 1600 (Heavy Construction Other Than Bldg Const - Contractors).

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: 0.20 (needs >= 0.60)
  • Mean reversion: ADF t-statistic of the spread: -0.79 (needs <= -2.873 (5% critical value))
  • Speed: half-life of the spread, sessions: 70.32 (needs <= 63)
Business leadership

Business size

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

YearFERJLarger
2025-$12.0B-
2024-$11.5B-
2023-$10.9B-
2022-$9.8B-
2021-$14.1B-
2020-$13.6B-

Market value: FER $35.4B, J $16.2B.

Stock leadership

J is ahead now

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

J leads FER by 2.46 standard deviations: +40.4% over its usual price ratio. 1 lead switch in the last year.

Price change3 mo6 mo12 mo
FER-21.4%-28.9%-21.3%
J+8.7%+14.6%-11.1%
Relationship

Not a measured twin today

Only these tests can make a pair tradable on paper.

Pass
Aligned sessions: 816 (needs >= 254)
Fail
Co-movement: daily return correlation, 252 sessions: 0.20 (needs >= 0.60)
Fail
Mean reversion: ADF t-statistic of the spread: -0.79 (needs <= -2.873 (5% critical value))
Fail
Speed: half-life of the spread, sessions: 70.32 (needs <= 63)
Data
Both stocks current
The twins over two years

Prices side by side, and the gap between them

FER Ferrovial N.V. J Jacobs Solutions Inc.Price index, 100 = 2024-10-18. Tint = which stock is ahead of the pair's usual 1-year relationship (z beyond +/-0.5).
100150Oct 2024Oct 2025Oct 2026FER 118J 102
Spread z-score: FER relative to J, against the 252 sessions before each day. Above 0: FER ahead; below 0: J ahead. Lines at +/-2 (idea) and +/-4 (stop).
-4stop-2idea0+2idea+4stopOct 2024Oct 2025Oct 2026
Data table (504 sessions)
DateFER indexJ indexzAhead
2026-10-22117.68101.98-2.46J ahead
2026-10-21118.4299.35-2.24J ahead
2026-10-20116.5597.39-2.23J ahead
2026-10-19116.6096.46-2.18J ahead
2026-10-16116.9798.37-2.31J ahead
2026-10-15115.6798.99-2.47J ahead
2026-10-14118.8299.01-2.28J ahead
2026-10-13119.7099.15-2.26J ahead
2026-10-12119.1897.22-2.15J ahead
2026-10-09118.7397.02-2.17J ahead
2026-10-08119.0696.63-2.13J ahead
2026-10-07119.7995.07-1.97J ahead
2026-10-06121.8397.08-2.00J ahead
2026-10-05122.7396.69-1.92J ahead
2026-10-02126.9996.26-1.62J ahead
2026-10-01125.3397.47-1.83J ahead
2026-09-30128.0894.32-1.40J ahead
2026-09-29129.1995.16-1.40J ahead
2026-09-28132.0396.48-1.33J ahead
2026-09-25132.1796.48-1.32J ahead
2026-09-24131.1194.36-1.21J ahead
2026-09-23130.8798.40-1.54J ahead
2026-09-22133.2999.79-1.51J ahead
2026-09-21132.46100.24-1.59J ahead
2026-09-18130.3099.99-1.70J ahead
2026-09-17129.38100.52-1.79J ahead
2026-09-16130.49100.05-1.70J ahead
2026-09-15128.41101.04-1.90J ahead
2026-09-14129.31100.45-1.80J ahead
2026-09-11132.9398.91-1.47J ahead
2026-09-10131.3997.99-1.49J ahead
2026-09-09133.9098.84-1.40J ahead
2026-09-08137.29100.59-1.34J ahead
2026-09-04137.43101.96-1.43J ahead
2026-09-03137.55102.87-1.49J ahead
2026-09-02136.93102.55-1.49J ahead
2026-09-01136.60102.03-1.47J ahead
2026-08-31138.61103.93-1.49J ahead
2026-08-28139.04105.97-1.61J ahead
2026-08-27139.13105.02-1.53J ahead
2026-08-26141.90105.65-1.42J ahead
2026-08-25149.22105.19-1.01J ahead
2026-08-24148.53105.71-1.07J ahead
2026-08-21148.76104.64-0.98J ahead
2026-08-20149.50103.15-0.82J ahead
2026-08-19153.03102.75-0.62J ahead
2026-08-18150.0999.61-0.52J ahead
2026-08-17151.33100.15-0.49near the usual relationship
2026-08-14151.82100.86-0.51J ahead
2026-08-13152.72100.34-0.42near the usual relationship
2026-08-12156.11101.36-0.33near the usual relationship
2026-08-11155.47102.93-0.46near the usual relationship
2026-08-10154.90102.73-0.46near the usual relationship
2026-08-07157.46101.15-0.23near the usual relationship
2026-08-06154.81100.43-0.29near the usual relationship
2026-08-05157.55100.87-0.19near the usual relationship
2026-08-04157.4899.48-0.09near the usual relationship
2026-08-03156.4496.72+0.06near the usual relationship
2026-07-31154.1294.08+0.15near the usual relationship
2026-07-30154.1792.56+0.27near the usual relationship
2026-07-29148.0694.76-0.15near the usual relationship
2026-07-28146.2498.04-0.45near the usual relationship
2026-07-27148.8294.29-0.07near the usual relationship
2026-07-24149.7493.82+0.01near the usual relationship
2026-07-23149.8692.04+0.14near the usual relationship
2026-07-22151.8090.99+0.31near the usual relationship
2026-07-21150.4590.39+0.30near the usual relationship
2026-07-20150.2190.29+0.30near the usual relationship
2026-07-17150.5491.86+0.21near the usual relationship
2026-07-16150.7192.25+0.19near the usual relationship
2026-07-15151.8790.41+0.38near the usual relationship
2026-07-14150.8590.13+0.36near the usual relationship
2026-07-13150.8088.23+0.50FER ahead
2026-07-10152.1887.74+0.60FER ahead
2026-07-09152.8487.74+0.63FER ahead
2026-07-08152.2790.43+0.42near the usual relationship
2026-07-07155.8990.85+0.54FER ahead
2026-07-06161.5189.93+0.84FER ahead
2026-07-02160.3289.17+0.85FER ahead
2026-07-01159.2386.90+0.98FER ahead
2026-06-30162.4387.85+1.04FER ahead
2026-06-29161.9186.33+1.14FER ahead
2026-06-26161.8487.64+1.05FER ahead
2026-06-25166.1986.73+1.30FER ahead
2026-06-24164.6185.09+1.37FER ahead
2026-06-23165.7484.30+1.49FER ahead
2026-06-22167.5282.76+1.69FER ahead
2026-06-18163.8784.35+1.44FER ahead
2026-06-17162.7185.66+1.31FER ahead
2026-06-16164.7587.03+1.30FER ahead
2026-06-15162.1986.86+1.22FER ahead
2026-06-12160.8488.55+1.05FER ahead
2026-06-11159.4588.07+1.03FER ahead
2026-06-10152.2384.90+0.98FER ahead
2026-06-09155.8087.46+0.94FER ahead
2026-06-08156.3083.64+1.26FER ahead
2026-06-05158.1785.45+1.21FER ahead
2026-06-04157.3486.16+1.13FER ahead
2026-06-03157.1784.56+1.26FER ahead
2026-06-02157.0585.02+1.23FER ahead
2026-06-01157.6585.78+1.21FER ahead
2026-05-29161.0183.57+1.53FER ahead
2026-05-28161.7082.95+1.62FER ahead
2026-05-27164.5880.81+1.94FER ahead
2026-05-26164.3080.78+1.95FER ahead
2026-05-22159.7579.97+1.85FER ahead
2026-05-21161.8679.51+2.00FER ahead
2026-05-20159.5979.36+1.94FER ahead
2026-05-19153.8678.71+1.77FER ahead
2026-05-18159.0779.22+1.97FER ahead
2026-05-15158.3677.05+2.16FER ahead
2026-05-14161.1378.62+2.17FER ahead
2026-05-13160.7574.79+2.55FER ahead
2026-05-12163.1479.59+2.24FER ahead
2026-05-11165.8481.59+2.21FER ahead
2026-05-08166.7182.58+2.19FER ahead
2026-05-07165.7985.59+1.91FER ahead
2026-05-06169.7288.29+1.88FER ahead
2026-05-05164.7795.21+1.11FER ahead
2026-05-04160.6391.16+1.26FER ahead
2026-05-01163.3089.89+1.50FER ahead
2026-04-30163.1490.23+1.47FER ahead
2026-04-29159.9987.55+1.57FER ahead
2026-04-28160.7288.17+1.57FER ahead
2026-04-27160.3287.73+1.60FER ahead
2026-04-24163.5788.27+1.72FER ahead
2026-04-23165.4688.96+1.77FER ahead
2026-04-22165.5588.93+1.79FER ahead
2026-04-21166.3190.30+1.73FER ahead
2026-04-20169.7089.86+1.95FER ahead
2026-04-17170.5789.90+2.01FER ahead
2026-04-16165.8188.03+1.97FER ahead
2026-04-15168.7788.77+2.07FER ahead
2026-04-14171.1287.44+2.33FER ahead
2026-04-13169.0687.37+2.27FER ahead
2026-04-10169.0185.67+2.47FER ahead
2026-04-09169.2088.64+2.23FER ahead
2026-04-08166.2691.44+1.85FER ahead
2026-04-07156.9888.68+1.65FER ahead
2026-04-06156.7089.28+1.59FER ahead
2026-04-02157.3689.26+1.65FER ahead
2026-04-01158.6689.54+1.71FER ahead
2026-03-31154.0088.75+1.55FER ahead
2026-03-30147.3587.02+1.35FER ahead
2026-03-27148.1187.78+1.34FER ahead
2026-03-26148.8990.31+1.15FER ahead
2026-03-25150.8590.62+1.24FER ahead
2026-03-24148.8689.86+1.21FER ahead
2026-03-23149.2490.09+1.22FER ahead
2026-03-20145.9389.56+1.09FER ahead
2026-03-19150.3389.26+1.38FER ahead
2026-03-18152.2589.10+1.51FER ahead
2026-03-17154.3690.91+1.47FER ahead
2026-03-16153.1789.83+1.52FER ahead
2026-03-13149.6489.29+1.39FER ahead
2026-03-12152.3490.29+1.45FER ahead
2026-03-11155.4992.67+1.42FER ahead
2026-03-10156.3491.93+1.54FER ahead
2026-03-09156.0893.90+1.36FER ahead
2026-03-06156.6395.38+1.27FER ahead
2026-03-05159.2194.90+1.46FER ahead
2026-03-04164.3596.33+1.62FER ahead
2026-03-03162.9596.83+1.52FER ahead
2026-03-02172.6696.94+2.02FER ahead
2026-02-27176.0996.12+2.28FER ahead
2026-02-26175.3697.45+2.16FER ahead
2026-02-25171.9593.05+2.42FER ahead
2026-02-24172.7793.80+2.42FER ahead
2026-02-23171.6191.90+2.58FER ahead
2026-02-20172.2596.17+2.24FER ahead
2026-02-19169.4197.13+2.03FER ahead
2026-02-18173.5898.65+2.13FER ahead
2026-02-17172.1495.15+2.41FER ahead
2026-02-13171.9592.59+2.69FER ahead
2026-02-12172.7591.70+2.86FER ahead
2026-02-11175.7699.26+2.32FER ahead
2026-02-10172.89105.40+1.63FER ahead
2026-02-09174.10105.26+1.72FER ahead
2026-02-06168.63103.76+1.57FER ahead
2026-02-05162.74100.22+1.57FER ahead
2026-02-04160.9199.94+1.49FER ahead
2026-02-03161.4692.67+2.21FER ahead
2026-02-02161.6595.44+1.97FER ahead
2026-01-30160.9694.31+2.06FER ahead
2026-01-29161.2595.03+2.02FER ahead
2026-01-28161.6795.31+2.03FER ahead
2026-01-27165.0695.36+2.23FER ahead
2026-01-26160.8795.51+2.00FER ahead
2026-01-23158.7196.14+1.83FER ahead
2026-01-22159.5997.68+1.75FER ahead
2026-01-21158.6696.55+1.81FER ahead
2026-01-20157.0894.99+1.87FER ahead
2026-01-16161.4897.57+1.89FER ahead
2026-01-15159.4298.66+1.69FER ahead
2026-01-14160.0996.92+1.89FER ahead
2026-01-13160.3997.27+1.89FER ahead
2026-01-12159.0297.27+1.83FER ahead
2026-01-09157.0897.58+1.71FER ahead
2026-01-08159.7196.49+1.97FER ahead
2026-01-07159.4795.38+2.07FER ahead
2026-01-06159.4795.99+2.04FER ahead
2026-01-05159.0496.82+1.96FER ahead
2026-01-02152.8294.37+1.85FER ahead
2025-12-31152.9692.36+2.06FER ahead
2025-12-30153.6993.39+2.03FER ahead
2025-12-29153.9394.32+1.97FER ahead
2025-12-26154.4094.32+2.02FER ahead
2025-12-24153.8694.90+1.95FER ahead
2025-12-23155.3094.73+2.07FER ahead
2025-12-22153.6294.60+2.00FER ahead
2025-12-19157.1793.48+2.34FER ahead
2025-12-18157.3992.52+2.47FER ahead
2025-12-17156.6592.30+2.49FER ahead
2025-12-16159.7393.40+2.59FER ahead
2025-12-15159.6894.49+2.52FER ahead
2025-12-12158.0394.63+2.44FER ahead
2025-12-11158.0395.34+2.40FER ahead
2025-12-10157.0194.30+2.48FER ahead
2025-12-09157.3295.72+2.39FER ahead
2025-12-08157.8697.66+2.26FER ahead
2025-12-05156.3297.77+2.18FER ahead
2025-12-04156.4498.12+2.17FER ahead
2025-12-03157.6596.73+2.40FER ahead
2025-12-02154.6694.14+2.50FER ahead
2025-12-01153.4392.62+2.60FER ahead
2025-11-28155.8094.00+2.64FER ahead
2025-11-26155.7194.73+2.58FER ahead
2025-11-25154.8893.11+2.72FER ahead
2025-11-24153.8692.64+2.74FER ahead
2025-11-21148.1589.79+2.71FER ahead
2025-11-20148.2290.06+2.70FER ahead
2025-11-19148.48101.14+1.61FER ahead
2025-11-18148.32105.12+1.23FER ahead
2025-11-17149.24105.00+1.29FER ahead
2025-11-14150.78107.66+1.15FER ahead
2025-11-13152.63106.82+1.34FER ahead
2025-11-12153.27107.81+1.29FER ahead
2025-11-11150.36107.84+1.12FER ahead
2025-11-10151.16107.57+1.19FER ahead
2025-11-07149.95106.93+1.18FER ahead
2025-11-06151.40107.02+1.26FER ahead
2025-11-05152.89108.76+1.21FER ahead
2025-11-04148.63107.77+1.05FER ahead
2025-11-03147.77107.55+1.03FER ahead
2025-10-31146.14108.64+0.86FER ahead
2025-10-30148.37110.32+0.86FER ahead
2025-10-29149.28110.42+0.91FER ahead
2025-10-28151.21110.38+1.03FER ahead
2025-10-27153.53112.26+1.02FER ahead
2025-10-24152.46111.27+1.04FER ahead
2025-10-23150.50112.10+0.88FER ahead
2025-10-22149.24109.96+0.98FER ahead
2025-10-21149.53114.66+0.66FER ahead
2025-10-20149.83113.35+0.77FER ahead
2025-10-17150.24108.35+1.17FER ahead
2025-10-16149.38108.82+1.10FER ahead
2025-10-15145.83112.00+0.68FER ahead
2025-10-14147.12110.18+0.89FER ahead
2025-10-13143.70107.31+0.92FER ahead
2025-10-10142.57105.38+1.01FER ahead
2025-10-09141.71108.38+0.74FER ahead
2025-10-08144.32109.72+0.79FER ahead
2025-10-07142.90108.29+0.83FER ahead
2025-10-06142.66108.08+0.84FER ahead
2025-10-03141.57107.80+0.80FER ahead
2025-10-02142.00107.37+0.86FER ahead
2025-10-01138.54106.32+0.75FER ahead
2025-09-30138.73104.49+0.91FER ahead
2025-09-29135.58103.51+0.80FER ahead
2025-09-26133.88103.10+0.74FER ahead
2025-09-25132.03101.99+0.72FER ahead
2025-09-24134.45102.82+0.80FER ahead
2025-09-23135.70103.10+0.86FER ahead
2025-09-22138.64105.01+0.89FER ahead
2025-09-19136.48104.01+0.85FER ahead
2025-09-18137.76104.33+0.90FER ahead
2025-09-17137.31102.71+1.01FER ahead
2025-09-16135.72101.91+0.98FER ahead
2025-09-15136.08102.32+0.98FER ahead
2025-09-12136.29102.29+1.00FER ahead
2025-09-11135.61103.71+0.85FER ahead
2025-09-10133.36100.90+0.94FER ahead
2025-09-09130.94100.20+0.85FER ahead
2025-09-08132.67100.93+0.91FER ahead
2025-09-05131.98101.39+0.83FER ahead
2025-09-04130.14100.22+0.82FER ahead
2025-09-03127.3999.97+0.67FER ahead
2025-09-02127.01101.26+0.54FER ahead
2025-08-29129.81101.96+0.67FER ahead
2025-08-28130.45102.43+0.68FER ahead
2025-08-27129.17103.44+0.52FER ahead
2025-08-26129.31103.29+0.54FER ahead
2025-08-25129.29102.57+0.60FER ahead
2025-08-22132.50103.54+0.73FER ahead
2025-08-21130.26102.72+0.66FER ahead
2025-08-20131.16102.18+0.77FER ahead
2025-08-19129.31103.03+0.59FER ahead
2025-08-18130.78102.35+0.74FER ahead
2025-08-15129.85103.16+0.62FER ahead
2025-08-14129.38103.42+0.57FER ahead
2025-08-13128.57106.11+0.31near the usual relationship
2025-08-12127.18104.46+0.35near the usual relationship
2025-08-11125.09103.09+0.33near the usual relationship
2025-08-08124.29103.31+0.26near the usual relationship
2025-08-07124.67102.48+0.35near the usual relationship
2025-08-06123.34102.46+0.27near the usual relationship
2025-08-05122.89101.25+0.34near the usual relationship
2025-08-04122.1497.56+0.60FER ahead
2025-08-01121.1696.97+0.59FER ahead
2025-07-31120.9898.92+0.41near the usual relationship
2025-07-30123.0498.59+0.58FER ahead
2025-07-29124.4699.56+0.60FER ahead
2025-07-28123.3999.90+0.50FER ahead
2025-07-25126.40100.02+0.70FER ahead
2025-07-24127.5199.10+0.85FER ahead
2025-07-23127.6398.81+0.89FER ahead
2025-07-22125.5497.23+0.89FER ahead
2025-07-21125.2195.66+1.01FER ahead
2025-07-18125.7696.69+0.97FER ahead
2025-07-17124.3697.13+0.84FER ahead
2025-07-16125.0996.03+0.99FER ahead
2025-07-15123.1193.24+1.11FER ahead
2025-07-14124.3194.85+1.05FER ahead
2025-07-11124.4694.23+1.12FER ahead
2025-07-10123.8694.97+1.02FER ahead
2025-07-09125.0993.57+1.24FER ahead
2025-07-08124.5092.73+1.29FER ahead
2025-07-07124.3492.30+1.32FER ahead
2025-07-03125.5292.46+1.40FER ahead
2025-07-02125.3692.04+1.44FER ahead
2025-07-01126.3792.49+1.48FER ahead
2025-06-30126.8291.65+1.61FER ahead
2025-06-27126.0990.67+1.67FER ahead
2025-06-26124.9590.34+1.63FER ahead
2025-06-25123.7089.29+1.66FER ahead
2025-06-24123.3490.32+1.55FER ahead
2025-06-23121.3889.43+1.51FER ahead
2025-06-20118.9988.78+1.41FER ahead
2025-06-18119.7488.79+1.48FER ahead
2025-06-17120.0589.57+1.43FER ahead
2025-06-16121.8090.45+1.49FER ahead
2025-06-13121.3887.78+1.74FER ahead
2025-06-12122.8588.98+1.75FER ahead
2025-06-11121.3188.59+1.69FER ahead
2025-06-10122.3288.88+1.75FER ahead
2025-06-09120.6489.07+1.61FER ahead
2025-06-06121.6189.02+1.71FER ahead
2025-06-05121.4387.16+1.91FER ahead
2025-06-04121.2887.58+1.88FER ahead
2025-06-03120.7187.74+1.83FER ahead
2025-06-02123.3286.55+2.19FER ahead
2025-05-30121.4588.06+1.90FER ahead
2025-05-29121.9787.87+1.98FER ahead
2025-05-28122.0488.34+1.96FER ahead
2025-05-27122.8789.71+1.89FER ahead
2025-05-23123.5387.75+2.19FER ahead
2025-05-22123.6788.42+2.15FER ahead
2025-05-21124.4888.07+2.28FER ahead
2025-05-20124.6089.33+2.17FER ahead
2025-05-19120.8389.84+1.81FER ahead
2025-05-16120.5790.06+1.78FER ahead
2025-05-15118.4489.51+1.67FER ahead
2025-05-14120.7487.71+2.12FER ahead
2025-05-13114.8788.21+1.54FER ahead
2025-05-12115.8488.61+1.59FER ahead
2025-05-09117.0585.31+2.14FER ahead
2025-05-08115.8185.44+2.03FER ahead
2025-05-07117.0282.90+2.51FER ahead
2025-05-06116.6983.02+2.51FER ahead
2025-05-05117.2388.00+1.93FER ahead
2025-05-02117.8388.03+2.01FER ahead
2025-05-01116.4586.38+2.11FER ahead
2025-04-30117.5486.03+2.30FER ahead
2025-04-29114.6186.11+2.02FER ahead
2025-04-28115.3185.07+2.26FER ahead
2025-04-25114.5484.48+2.30FER ahead
2025-04-24113.2685.01+2.12FER ahead
2025-04-23109.1782.84+2.01FER ahead
2025-04-22109.3082.27+2.14FER ahead
2025-04-21106.4480.39+2.12FER ahead
2025-04-17108.7881.46+2.25FER ahead
2025-04-16106.7981.01+2.13FER ahead
2025-04-15106.4681.66+2.02FER ahead
2025-04-14105.5981.92+1.90FER ahead
2025-04-11104.7680.99+1.97FER ahead
2025-04-10104.9279.81+2.20FER ahead
2025-04-09103.7482.38+1.68FER ahead
2025-04-0896.4576.99+1.63FER ahead
2025-04-0796.2177.18+1.58FER ahead
2025-04-04100.9977.45+2.18FER ahead
2025-04-03108.5282.33+2.35FER ahead
2025-04-02109.6186.53+1.86FER ahead
2025-04-01107.1584.77+1.85FER ahead
2025-03-31106.3484.01+1.89FER ahead
2025-03-28107.2084.24+1.98FER ahead
2025-03-27107.3485.78+1.78FER ahead
2025-03-26105.9986.15+1.57FER ahead
2025-03-25105.9285.91+1.61FER ahead
2025-03-24105.1485.61+1.57FER ahead
2025-03-21105.8984.26+1.91FER ahead
2025-03-20106.4284.70+1.92FER ahead
2025-03-19105.8786.34+1.61FER ahead
2025-03-18104.7185.13+1.66FER ahead
2025-03-17103.7985.32+1.52FER ahead
2025-03-14102.7284.82+1.48FER ahead
2025-03-13102.3082.88+1.76FER ahead
2025-03-12101.7084.58+1.40FER ahead
2025-03-11101.4984.90+1.33FER ahead
2025-03-10101.4285.88+1.17FER ahead
2025-03-07104.3386.54+1.47FER ahead
2025-03-06103.1385.89+1.42FER ahead
2025-03-05109.4286.43+2.21FER ahead
2025-03-04105.4585.28+1.89FER ahead
2025-03-03105.2386.98+1.59FER ahead
2025-02-28105.5689.03+1.31FER ahead
2025-02-27105.6387.94+1.51FER ahead
2025-02-26107.3687.84+1.79FER ahead
2025-02-25105.6188.36+1.47FER ahead
2025-02-24103.8189.22+1.08FER ahead
2025-02-21105.0989.69+1.19FER ahead
2025-02-20107.1090.43+1.36FER ahead
2025-02-19106.4290.62+1.25FER ahead
2025-02-18107.9590.64+1.47FER ahead
2025-02-14106.7589.56+1.49FER ahead
2025-02-13106.2390.58+1.26FER ahead
2025-02-12105.0090.58+1.09FER ahead
2025-02-11103.9892.58+0.62FER ahead
2025-02-10102.9193.39+0.33near the usual relationship
2025-02-07100.8093.07+0.07near the usual relationship
2025-02-06101.1892.76+0.17near the usual relationship
2025-02-05100.8091.92+0.25near the usual relationship
2025-02-04100.5093.11+0.01near the usual relationship
2025-02-0398.6796.44-0.81J ahead
2025-01-31101.6397.38-0.51J ahead
2025-01-30103.1797.16-0.25near the usual relationship
2025-01-29101.8595.39-0.17near the usual relationship
2025-01-28102.9495.48-0.03near the usual relationship
2025-01-27102.8695.53-0.05near the usual relationship
2025-01-24102.8998.00-0.44near the usual relationship
2025-01-23103.8698.39-0.36near the usual relationship
2025-01-22102.6598.43-0.55J ahead
2025-01-21101.6398.14-0.66J ahead
2025-01-1798.4896.78-0.93J ahead
2025-01-1697.0496.13-1.05J ahead
2025-01-1595.9094.66-1.01J ahead
2025-01-1495.8893.92-0.90J ahead
2025-01-1396.1293.31-0.78J ahead
2025-01-1096.4591.97-0.52J ahead
2025-01-0899.4192.49-0.16near the usual relationship
2025-01-0799.7591.63+0.02near the usual relationship
2025-01-06100.1992.33-0.03near the usual relationship
2025-01-0399.2092.98-0.28near the usual relationship
2025-01-0298.8292.40-0.25near the usual relationship
2024-12-3199.5092.86-0.22near the usual relationship
2024-12-30100.1292.77-0.12near the usual relationship
2024-12-27100.3193.86-0.26near the usual relationship
2024-12-26100.8394.68-0.31near the usual relationship
2024-12-24103.0194.51+0.02near the usual relationship
2024-12-2399.3194.01-0.44near the usual relationship
2024-12-2098.2294.34-0.65J ahead
2024-12-1998.4193.16-0.44near the usual relationship
2024-12-1899.0892.12-0.19near the usual relationship
2024-12-17101.5293.58-0.06near the usual relationship
2024-12-16101.8295.37-0.30near the usual relationship
2024-12-13102.2395.20-0.21near the usual relationship
2024-12-12102.4994.52-0.07near the usual relationship
2024-12-11100.6693.90-0.23near the usual relationship
2024-12-1099.9194.57-0.44near the usual relationship
2024-12-09102.3494.61-0.10near the usual relationship
2024-12-06102.9195.78-0.19near the usual relationship
2024-12-05102.6595.72-0.22near the usual relationship
2024-12-04101.3396.15-0.47near the usual relationship
2024-12-03101.4995.90-0.40near the usual relationship
2024-12-0298.4697.20-1.04J ahead
2024-11-2997.9498.14-1.26J ahead
2024-11-2797.3598.13-1.36J ahead
2024-11-2696.3897.77-1.46J ahead
2024-11-2595.7696.80-1.42J ahead
2024-11-2291.7695.46-1.86J ahead
2024-11-2191.2694.11-1.74J ahead
2024-11-2091.8392.08-1.32J ahead
2024-11-1992.7392.79-1.30J ahead
2024-11-1891.6497.53-2.23J ahead
2024-11-1591.2297.30-2.27J ahead
2024-11-1491.3497.71-2.33J ahead
2024-11-1390.29103.72-3.46J ahead
2024-11-1291.48102.23-3.09J ahead
2024-11-1193.06102.07-2.84J ahead
2024-11-0891.64101.76-3.08J ahead
2024-11-0792.12100.66-2.86J ahead
2024-11-0691.29102.59-3.37J ahead
2024-11-0593.5698.46-2.31J ahead
2024-11-0492.6197.18-2.27J ahead
2024-11-0195.5597.03-1.74J ahead
2024-10-3195.1997.69-1.91J ahead
2024-10-3094.6598.26-2.12J ahead
2024-10-2996.8099.26-1.92J ahead
2024-10-2897.0698.12-1.68J ahead
2024-10-2595.4897.65-1.88J ahead
2024-10-2496.9598.51-1.77J ahead
2024-10-2397.4898.25-1.64J ahead
2024-10-2297.1898.51-1.73J ahead
2024-10-2197.8799.75-1.83J ahead
2024-10-18100.00100.00-1.50J ahead

One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Nov 20, 2025 (FER -0.2%, J -10.9%); Feb 4, 2026 (FER -0.3%, J +7.8%); May 6, 2026 (FER +3.0%, J -7.3%).

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

FER and J at a glance

FER Ferrovial N.V.

Listing
Nasdaq · SEC CIK 1468522
Industry
Military/Government/Technical · SIC 1600 Heavy Construction Other Than Bldg Const - Contractors
Market value
$35.4B
Price history
816 daily closes, Jul 25, 2023 to Oct 22, 2026

J Jacobs Solutions Inc.

Listing
NYSE · SEC CIK 52988
Industry
Military/Government/Technical · SIC 1600 Heavy Construction Other Than Bldg Const - Contractors
Market value
$16.2B
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.

Related
All pairs →
PairStatusAhead nowIndustry
J / STRLWatchlistJ by 0.91 sdSIC 1600 Heavy Construction Other Than Bldg Const - Contractors
FER / STRLWatchlistneitherSIC 1600 Heavy Construction Other Than Bldg Const - Contractors

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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.