Biotechnology: Laboratory Analytical Instruments

Agilent Technologies Inc. vs Waters Corporation

Measured twinA / WATPrices through Oct 22, 2026

Why these are rivals: #1 and #2 by market value ($48B vs $43B) in Nasdaq's "Biotechnology: Laboratory Analytical Instruments" industry; SEC SIC 3826 / 3826 (same major group); #1 and #2 by market value ($48B vs $43B) with SEC SIC 3826 (Laboratory Analytical Instruments).

The price gap between these two has a measured habit of closing. A 2 standard deviation gap becomes a paired paper idea.

  • no divergence: z = 0.61 (needs |z| >= 2.0)
Business leadership

A is the larger business

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

YearAWATLarger
2025$6.9B$3.2BA
2024$6.5B$3.0BA
2023$6.8B$3.0BA
2022$6.8B$3.0BA
2021$6.3B$2.8BA
2020$5.3B$2.4BA

A led in every year with figures for both. Market value: A $47.9B, WAT $42.7B.

Stock leadership

A is ahead now

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

A leads WAT by 0.61 standard deviations: +3.1% over its usual price ratio. 4 lead switches in the last year.

Price change3 mo6 mo12 mo
A+25.5%+52.0%+19.4%
WAT+21.6%+46.4%+30.5%
Relationship

The gap has closed before

Only these tests can make a pair tradable on paper.

Pass
Aligned sessions: 2521 (needs >= 254)
Pass
Co-movement: daily return correlation, 252 sessions: 0.65 (needs >= 0.60)
Pass
Mean reversion: ADF t-statistic of the spread: -3.33 (needs <= -2.873 (5% critical value))
Pass
Speed: half-life of the spread, sessions: 9.23 (needs <= 63)
Data
Both stocks current
The twins over two years

Prices side by side, and the gap between them

A Agilent Technologies Inc. WAT Waters CorporationPrice index, 100 = 2024-10-18. Tint = which stock is ahead of the pair's usual 1-year relationship (z beyond +/-0.5).
80100120Oct 2024Oct 2025Oct 2026A 125WAT 131
Spread z-score: A relative to WAT, against the 252 sessions before each day. Above 0: A ahead; below 0: WAT ahead. Lines at +/-2 (idea) and +/-4 (stop).
-4stop-2idea0+2idea+4stopOct 2024Oct 2025Oct 2026
Data table (504 sessions)
DateA indexWAT indexzAhead
2026-10-22125.25130.75+0.61A ahead
2026-10-21128.03131.29+0.95A ahead
2026-10-20124.62127.09+1.04A ahead
2026-10-19122.38124.63+1.05A ahead
2026-10-16124.59125.40+1.26A ahead
2026-10-15126.45127.46+1.22A ahead
2026-10-14125.33125.30+1.37A ahead
2026-10-13123.60123.17+1.42A ahead
2026-10-12123.41124.01+1.25A ahead
2026-10-09122.84124.49+1.07A ahead
2026-10-08121.13123.15+0.99A ahead
2026-10-07121.80125.12+0.78A ahead
2026-10-06121.97125.25+0.77A ahead
2026-10-05123.38126.31+0.81A ahead
2026-10-02120.85122.03+1.03A ahead
2026-10-01120.06122.12+0.89A ahead
2026-09-30124.12126.10+0.89A ahead
2026-09-29126.08127.21+1.00A ahead
2026-09-28126.20127.12+1.01A ahead
2026-09-25124.46124.42+1.13A ahead
2026-09-24124.50123.49+1.25A ahead
2026-09-23119.08120.70+0.88A ahead
2026-09-22120.48122.18+0.86A ahead
2026-09-21116.65121.66+0.40near the usual relationship
2026-09-18112.71121.00-0.08near the usual relationship
2026-09-17112.61123.32-0.40near the usual relationship
2026-09-16110.70120.14-0.27near the usual relationship
2026-09-15108.24119.70-0.57WAT ahead
2026-09-14105.74117.67-0.67WAT ahead
2026-09-11105.83117.19-0.60WAT ahead
2026-09-10103.09115.26-0.76WAT ahead
2026-09-09104.26116.17-0.71WAT ahead
2026-09-08105.78115.63-0.42near the usual relationship
2026-09-04108.67117.49-0.26near the usual relationship
2026-09-03108.03118.69-0.51WAT ahead
2026-09-02109.05118.30-0.33near the usual relationship
2026-09-01108.00116.47-0.25near the usual relationship
2026-08-31110.61118.99-0.21near the usual relationship
2026-08-28110.81119.01-0.19near the usual relationship
2026-08-27113.58120.90-0.06near the usual relationship
2026-08-26111.70118.86-0.06near the usual relationship
2026-08-25111.48118.94-0.11near the usual relationship
2026-08-24110.52117.88-0.11near the usual relationship
2026-08-21114.53117.86+0.42near the usual relationship
2026-08-20112.58116.14+0.38near the usual relationship
2026-08-19111.94119.34-0.11near the usual relationship
2026-08-18106.92115.15-0.26near the usual relationship
2026-08-17106.93117.02-0.50WAT ahead
2026-08-14106.99118.29-0.66WAT ahead
2026-08-13107.53118.67-0.64WAT ahead
2026-08-12106.78119.43-0.84WAT ahead
2026-08-11107.68119.10-0.68WAT ahead
2026-08-10107.12118.17-0.65WAT ahead
2026-08-07105.14116.76-0.75WAT ahead
2026-08-06101.81114.71-0.97WAT ahead
2026-08-05101.64114.79-1.01WAT ahead
2026-08-04100.27113.67-1.07WAT ahead
2026-08-03100.70107.54-0.21near the usual relationship
2026-07-3199.67108.28-0.47near the usual relationship
2026-07-3099.91109.14-0.55WAT ahead
2026-07-29101.06108.91-0.36near the usual relationship
2026-07-28101.23110.17-0.50WAT ahead
2026-07-2799.32106.53-0.30near the usual relationship
2026-07-2499.81107.53-0.37near the usual relationship
2026-07-23100.66109.75-0.54WAT ahead
2026-07-2296.13106.42-0.77WAT ahead
2026-07-2195.70105.48-0.71WAT ahead
2026-07-2093.83102.61-0.60WAT ahead
2026-07-1794.69105.89-0.93WAT ahead
2026-07-1698.03108.53-0.79WAT ahead
2026-07-1597.03107.60-0.82WAT ahead
2026-07-1497.39108.02-0.82WAT ahead
2026-07-1396.55107.11-0.82WAT ahead
2026-07-1096.73108.03-0.91WAT ahead
2026-07-0996.23108.23-1.01WAT ahead
2026-07-0892.97105.65-1.16WAT ahead
2026-07-0794.46107.60-1.19WAT ahead
2026-07-0694.07108.74-1.40WAT ahead
2026-07-0294.14108.85-1.40WAT ahead
2026-07-0196.08108.52-1.06WAT ahead
2026-06-3095.68107.63-1.00WAT ahead
2026-06-2995.68105.86-0.75WAT ahead
2026-06-2697.97107.45-0.62WAT ahead
2026-06-2597.61108.16-0.76WAT ahead
2026-06-2494.81105.95-0.87WAT ahead
2026-06-2391.24102.51-0.94WAT ahead
2026-06-2291.11102.81-1.00WAT ahead
2026-06-1891.52102.01-0.82WAT ahead
2026-06-1789.56102.45-1.18WAT ahead
2026-06-1692.44103.47-0.87WAT ahead
2026-06-1594.06102.67-0.52WAT ahead
2026-06-1293.52102.03-0.51WAT ahead
2026-06-1193.32103.24-0.70WAT ahead
2026-06-1094.81104.23-0.61WAT ahead
2026-06-0997.59106.51-0.50WAT ahead
2026-06-0895.58104.27-0.48near the usual relationship
2026-06-0597.56104.85-0.27near the usual relationship
2026-06-0499.67108.04-0.38near the usual relationship
2026-06-0398.97108.99-0.58WAT ahead
2026-06-0297.28106.74-0.52WAT ahead
2026-06-0197.95108.53-0.63WAT ahead
2026-05-2997.62110.08-0.84WAT ahead
2026-05-2897.51105.23-0.27near the usual relationship
2026-05-2783.4498.20-1.35WAT ahead
2026-05-2682.8997.18-1.29WAT ahead
2026-05-2282.8198.26-1.42WAT ahead
2026-05-2182.6897.86-1.38WAT ahead
2026-05-2081.9697.95-1.49WAT ahead
2026-05-1979.6495.64-1.54WAT ahead
2026-05-1880.7595.33-1.32WAT ahead
2026-05-1580.4694.48-1.25WAT ahead
2026-05-1481.5895.63-1.22WAT ahead
2026-05-1381.2196.12-1.33WAT ahead
2026-05-1281.32101.08-1.91WAT ahead
2026-05-1180.2999.89-1.91WAT ahead
2026-05-0883.28101.92-1.70WAT ahead
2026-05-0785.46100.59-1.23WAT ahead
2026-05-0684.77100.31-1.28WAT ahead
2026-05-0584.6698.36-1.06WAT ahead
2026-05-0480.8086.64-0.12near the usual relationship
2026-05-0182.4988.14-0.07near the usual relationship
2026-04-3083.2388.74-0.04near the usual relationship
2026-04-2980.1783.84+0.19near the usual relationship
2026-04-2882.7486.31+0.22near the usual relationship
2026-04-2783.2886.04+0.34near the usual relationship
2026-04-2483.2388.93-0.03near the usual relationship
2026-04-2382.4289.31-0.17near the usual relationship
2026-04-2286.7895.96-0.39near the usual relationship
2026-04-2187.9496.21-0.26near the usual relationship
2026-04-2087.1396.32-0.37near the usual relationship
2026-04-1787.7894.07-0.03near the usual relationship
2026-04-1685.1891.56-0.05near the usual relationship
2026-04-1586.2793.61-0.15near the usual relationship
2026-04-1486.7294.99-0.24near the usual relationship
2026-04-1384.6493.18-0.28near the usual relationship
2026-04-1082.8891.84-0.34near the usual relationship
2026-04-0983.1291.16-0.23near the usual relationship
2026-04-0884.2291.41-0.12near the usual relationship
2026-04-0782.0388.21-0.02near the usual relationship
2026-04-0682.7287.27+0.18near the usual relationship
2026-04-0283.1887.31+0.24near the usual relationship
2026-04-0182.5086.06+0.31near the usual relationship
2026-03-3182.1085.46+0.34near the usual relationship
2026-03-3080.6884.19+0.32near the usual relationship
2026-03-2779.4182.98+0.31near the usual relationship
2026-03-2681.7486.26+0.22near the usual relationship
2026-03-2581.3886.76+0.12near the usual relationship
2026-03-2482.2686.65+0.24near the usual relationship
2026-03-2380.6986.62+0.06near the usual relationship
2026-03-2080.1785.81+0.09near the usual relationship
2026-03-1980.4985.97+0.12near the usual relationship
2026-03-1880.3184.67+0.25near the usual relationship
2026-03-1781.2185.23+0.30near the usual relationship
2026-03-1680.5583.23+0.46near the usual relationship
2026-03-1380.3282.24+0.55A ahead
2026-03-1280.4181.31+0.68A ahead
2026-03-1183.1485.39+0.54A ahead
2026-03-1083.1485.99+0.47near the usual relationship
2026-03-0984.0287.72+0.39near the usual relationship
2026-03-0682.8986.82+0.36near the usual relationship
2026-03-0585.0890.57+0.21near the usual relationship
2026-03-0486.8391.56+0.31near the usual relationship
2026-03-0385.7589.58+0.40near the usual relationship
2026-03-0285.1288.17+0.48near the usual relationship
2026-02-2787.4391.66+0.37near the usual relationship
2026-02-2687.1492.65+0.24near the usual relationship
2026-02-2589.8491.67+0.64A ahead
2026-02-2489.6193.64+0.41near the usual relationship
2026-02-2389.4694.07+0.36near the usual relationship
2026-02-2088.5395.66+0.10near the usual relationship
2026-02-1991.0094.32+0.50A ahead
2026-02-1891.4494.00+0.58A ahead
2026-02-1789.2292.25+0.53A ahead
2026-02-1390.6292.80+0.62A ahead
2026-02-1289.9591.79+0.66A ahead
2026-02-1192.8594.48+0.69A ahead
2026-02-1092.9293.85+0.76A ahead
2026-02-0991.8494.17+0.62A ahead
2026-02-0693.34109.42-0.66WAT ahead
2026-02-0593.38108.16-0.55WAT ahead
2026-02-0495.79110.30-0.49near the usual relationship
2026-02-0395.18108.75-0.42near the usual relationship
2026-02-0297.52108.86-0.20near the usual relationship
2026-01-3096.41106.39-0.09near the usual relationship
2026-01-2996.00107.67-0.24near the usual relationship
2026-01-2896.43110.50-0.45near the usual relationship
2026-01-2797.93111.95-0.43near the usual relationship
2026-01-2697.71112.18-0.47near the usual relationship
2026-01-2397.28112.59-0.55WAT ahead
2026-01-2299.86114.91-0.50WAT ahead
2026-01-21100.68113.85-0.33near the usual relationship
2026-01-2097.84110.16-0.29near the usual relationship
2026-01-16100.58111.17-0.12near the usual relationship
2026-01-15104.32113.24+0.06near the usual relationship
2026-01-14105.11112.84+0.17near the usual relationship
2026-01-13105.40113.08+0.17near the usual relationship
2026-01-12106.60112.98+0.29near the usual relationship
2026-01-09106.98113.86+0.25near the usual relationship
2026-01-08104.99113.83+0.08near the usual relationship
2026-01-07106.47114.62+0.14near the usual relationship
2026-01-06106.32114.95+0.10near the usual relationship
2026-01-05102.95113.35-0.07near the usual relationship
2026-01-0299.37109.62-0.09near the usual relationship
2025-12-3198.01109.01-0.17near the usual relationship
2025-12-3099.13110.20-0.16near the usual relationship
2025-12-2999.35110.52-0.17near the usual relationship
2025-12-2699.68110.79-0.16near the usual relationship
2025-12-2499.63110.44-0.14near the usual relationship
2025-12-2399.66109.98-0.10near the usual relationship
2025-12-2299.78110.24-0.11near the usual relationship
2025-12-1998.85108.49-0.04near the usual relationship
2025-12-1898.61108.00-0.02near the usual relationship
2025-12-1798.44108.23-0.06near the usual relationship
2025-12-16100.26108.63+0.08near the usual relationship
2025-12-15101.27110.61+0.00near the usual relationship
2025-12-12100.61110.58-0.06near the usual relationship
2025-12-11102.91112.56-0.01near the usual relationship
2025-12-10103.34113.59-0.06near the usual relationship
2025-12-09101.30110.82-0.01near the usual relationship
2025-12-08102.60112.71-0.05near the usual relationship
2025-12-05104.80113.30+0.10near the usual relationship
2025-12-04106.84113.75+0.25near the usual relationship
2025-12-03107.51114.11+0.28near the usual relationship
2025-12-02107.19114.40+0.23near the usual relationship
2025-12-01108.12114.16+0.33near the usual relationship
2025-11-28110.57115.78+0.42near the usual relationship
2025-11-26111.19116.84+0.39near the usual relationship
2025-11-25113.23118.39+0.44near the usual relationship
2025-11-24110.64114.66+0.52A ahead
2025-11-21108.95113.07+0.51A ahead
2025-11-20104.49108.66+0.50A ahead
2025-11-19104.01107.98+0.52A ahead
2025-11-18103.61108.09+0.47near the usual relationship
2025-11-17104.10108.47+0.49near the usual relationship
2025-11-14105.76108.88+0.61A ahead
2025-11-13105.81108.85+0.62A ahead
2025-11-12109.14111.17+0.72A ahead
2025-11-11107.63110.82+0.62A ahead
2025-11-10105.42108.07+0.67A ahead
2025-11-07105.70106.67+0.82A ahead
2025-11-06106.24106.52+0.89A ahead
2025-11-05105.72106.75+0.83A ahead
2025-11-04105.22105.42+0.90A ahead
2025-11-03104.2299.18+1.40A ahead
2025-10-31105.42100.33+1.41A ahead
2025-10-30103.2698.41+1.40A ahead
2025-10-29103.1598.57+1.37A ahead
2025-10-28105.0699.28+1.49A ahead
2025-10-27105.59100.95+1.38A ahead
2025-10-24106.63103.17+1.27A ahead
2025-10-23106.22102.07+1.34A ahead
2025-10-22105.07100.06+1.43A ahead
2025-10-21104.93100.22+1.41A ahead
2025-10-20103.0098.49+1.40A ahead
2025-10-17102.2396.02+1.59A ahead
2025-10-16101.6496.10+1.53A ahead
2025-10-15100.5995.40+1.50A ahead
2025-10-1499.4395.61+1.37A ahead
2025-10-1399.5796.52+1.29A ahead
2025-10-1098.4194.99+1.33A ahead
2025-10-09100.9294.83+1.60A ahead
2025-10-08101.4394.03+1.75A ahead
2025-10-0799.8191.36+1.88A ahead
2025-10-06102.0094.02+1.82A ahead
2025-10-03102.0294.24+1.81A ahead
2025-10-0299.9192.39+1.80A ahead
2025-10-0199.8291.78+1.87A ahead
2025-09-3092.4586.04+1.75A ahead
2025-09-2989.1483.06+1.74A ahead
2025-09-2688.8883.72+1.64A ahead
2025-09-2587.8082.59+1.66A ahead
2025-09-2489.5983.99+1.69A ahead
2025-09-2390.7285.87+1.59A ahead
2025-09-2291.0086.81+1.51A ahead
2025-09-1990.9986.35+1.57A ahead
2025-09-1891.9387.93+1.49A ahead
2025-09-1791.2887.15+1.50A ahead
2025-09-1691.6286.98+1.56A ahead
2025-09-1590.4985.82+1.57A ahead
2025-09-1288.7784.77+1.50A ahead
2025-09-1191.2886.80+1.54A ahead
2025-09-1089.4084.10+1.66A ahead
2025-09-0990.9486.24+1.57A ahead
2025-09-0892.2988.78+1.42A ahead
2025-09-0592.7487.91+1.58A ahead
2025-09-0492.5486.01+1.79A ahead
2025-09-0390.2083.24+1.87A ahead
2025-09-0290.1985.09+1.64A ahead
2025-08-2990.5186.61+1.50A ahead
2025-08-2890.0185.42+1.58A ahead
2025-08-2785.4984.55+1.15A ahead
2025-08-2685.2184.99+1.06A ahead
2025-08-2585.8285.79+1.03A ahead
2025-08-2287.6186.72+1.13A ahead
2025-08-2184.3883.35+1.15A ahead
2025-08-2085.8085.16+1.10A ahead
2025-08-1986.5285.44+1.15A ahead
2025-08-1885.1083.05+1.27A ahead
2025-08-1585.8683.67+1.29A ahead
2025-08-1485.6284.24+1.19A ahead
2025-08-1386.6585.19+1.19A ahead
2025-08-1284.5181.94+1.34A ahead
2025-08-1182.2180.15+1.28A ahead
2025-08-0882.5680.70+1.25A ahead
2025-08-0782.1079.78+1.31A ahead
2025-08-0681.5679.70+1.25A ahead
2025-08-0582.7680.70+1.28A ahead
2025-08-0482.7281.96+1.11A ahead
2025-08-0181.7583.31+0.81A ahead
2025-07-3182.7082.87+0.98A ahead
2025-07-3085.0385.83+0.90A ahead
2025-07-2986.3287.01+0.90A ahead
2025-07-2886.1186.77+0.89A ahead
2025-07-2586.5786.94+0.92A ahead
2025-07-2486.6985.66+1.07A ahead
2025-07-2386.0584.84+1.09A ahead
2025-07-2283.6982.50+1.09A ahead
2025-07-2180.7080.83+0.92A ahead
2025-07-1882.1182.52+0.88A ahead
2025-07-1783.8185.21+0.76A ahead
2025-07-1681.7083.10+0.75A ahead
2025-07-1581.3583.10+0.70A ahead
2025-07-1486.4987.30+0.81A ahead
2025-07-1188.80101.28-0.37near the usual relationship
2025-07-1089.44101.39-0.32near the usual relationship
2025-07-0987.37100.22-0.44near the usual relationship
2025-07-0887.1699.81-0.43near the usual relationship
2025-07-0785.9099.51-0.54WAT ahead
2025-07-0387.43100.51-0.47near the usual relationship
2025-07-0286.91101.00-0.58WAT ahead
2025-07-0186.76102.47-0.73WAT ahead
2025-06-3085.00100.17-0.72WAT ahead
2025-06-2785.84101.14-0.72WAT ahead
2025-06-2686.02101.85-0.77WAT ahead
2025-06-2585.44100.45-0.72WAT ahead
2025-06-2484.7499.53-0.71WAT ahead
2025-06-2383.6598.39-0.73WAT ahead
2025-06-2083.2498.33-0.78WAT ahead
2025-06-1883.2197.39-0.70WAT ahead
2025-06-1783.6297.89-0.71WAT ahead
2025-06-1685.7399.82-0.67WAT ahead
2025-06-1384.3398.24-0.68WAT ahead
2025-06-1285.65100.32-0.73WAT ahead
2025-06-1186.2399.31-0.60WAT ahead
2025-06-1086.81100.40-0.64WAT ahead
2025-06-0984.0999.97-0.88WAT ahead
2025-06-0683.41100.78-1.02WAT ahead
2025-06-0582.0799.39-1.05WAT ahead
2025-06-0482.79101.35-1.15WAT ahead
2025-06-0381.22100.27-1.23WAT ahead
2025-06-0279.9998.63-1.23WAT ahead
2025-05-3080.62100.23-1.31WAT ahead
2025-05-2981.60101.97-1.36WAT ahead
2025-05-2879.87101.76-1.54WAT ahead
2025-05-2780.14102.84-1.61WAT ahead
2025-05-2378.1799.40-1.55WAT ahead
2025-05-2279.00100.00-1.52WAT ahead
2025-05-2178.4599.69-1.57WAT ahead
2025-05-2081.74103.92-1.59WAT ahead
2025-05-1981.71102.89-1.52WAT ahead
2025-05-1681.95103.17-1.53WAT ahead
2025-05-1580.96100.90-1.46WAT ahead
2025-05-1480.3399.12-1.39WAT ahead
2025-05-1383.14103.03-1.44WAT ahead
2025-05-1283.23105.23-1.62WAT ahead
2025-05-0977.0298.74-1.76WAT ahead
2025-05-0878.30100.70-1.81WAT ahead
2025-05-0777.4599.14-1.78WAT ahead
2025-05-0675.8097.29-1.83WAT ahead
2025-05-0578.0699.98-1.83WAT ahead
2025-05-0278.25100.57-1.88WAT ahead
2025-05-0176.6898.10-1.85WAT ahead
2025-04-3077.5099.79-1.93WAT ahead
2025-04-2977.4097.81-1.78WAT ahead
2025-04-2876.9897.54-1.83WAT ahead
2025-04-2576.5596.97-1.84WAT ahead
2025-04-2477.0997.78-1.87WAT ahead
2025-04-2375.6396.10-1.91WAT ahead
2025-04-2274.0594.91-2.01WAT ahead
2025-04-2172.2290.75-1.85WAT ahead
2025-04-1773.8292.13-1.81WAT ahead
2025-04-1673.9892.15-1.81WAT ahead
2025-04-1574.2892.82-1.86WAT ahead
2025-04-1475.7795.79-1.99WAT ahead
2025-04-1173.9893.33-1.99WAT ahead
2025-04-1071.9990.30-1.96WAT ahead
2025-04-0977.1196.58-1.97WAT ahead
2025-04-0871.5288.31-1.86WAT ahead
2025-04-0774.6293.50-2.02WAT ahead
2025-04-0474.1993.25-2.08WAT ahead
2025-04-0379.0099.04-2.08WAT ahead
2025-04-0283.55104.07-2.04WAT ahead
2025-04-0182.15102.17-2.05WAT ahead
2025-03-3184.26105.77-2.17WAT ahead
2025-03-2884.05103.93-2.05WAT ahead
2025-03-2785.69106.35-2.11WAT ahead
2025-03-2686.36105.55-1.98WAT ahead
2025-03-2586.80105.76-1.97WAT ahead
2025-03-2487.86107.13-2.01WAT ahead
2025-03-2186.98104.88-1.91WAT ahead
2025-03-2086.64104.24-1.91WAT ahead
2025-03-1988.03106.57-2.00WAT ahead
2025-03-1888.67109.67-2.26WAT ahead
2025-03-1788.23108.74-2.25WAT ahead
2025-03-1487.29108.24-2.36WAT ahead
2025-03-1384.51104.59-2.37WAT ahead
2025-03-1286.33107.08-2.43WAT ahead
2025-03-1187.18108.72-2.54WAT ahead
2025-03-1087.81112.01-2.85WAT ahead
2025-03-0791.26112.78-2.53WAT ahead
2025-03-0691.15110.87-2.38WAT ahead
2025-03-0591.13108.74-2.19WAT ahead
2025-03-0488.64105.62-2.20WAT ahead
2025-03-0391.00106.70-2.03WAT ahead
2025-02-2892.14108.29-2.09WAT ahead
2025-02-2791.54107.06-2.05WAT ahead
2025-02-2696.86110.48-1.77WAT ahead
2025-02-2596.65109.29-1.67WAT ahead
2025-02-2497.44108.84-1.54WAT ahead
2025-02-2197.51107.57-1.40WAT ahead
2025-02-2098.53109.29-1.48WAT ahead
2025-02-1998.79108.47-1.36WAT ahead
2025-02-1897.39107.99-1.50WAT ahead
2025-02-1497.00106.11-1.34WAT ahead
2025-02-1398.29108.80-1.50WAT ahead
2025-02-1299.46109.60-1.46WAT ahead
2025-02-11102.10116.31-1.90WAT ahead
2025-02-10103.50116.97-1.82WAT ahead
2025-02-07104.60117.52-1.76WAT ahead
2025-02-06106.35117.94-1.61WAT ahead
2025-02-05106.60118.84-1.69WAT ahead
2025-02-04105.91117.78-1.67WAT ahead
2025-02-03107.06118.01-1.57WAT ahead
2025-01-31109.14119.24-1.47WAT ahead
2025-01-30109.04119.75-1.55WAT ahead
2025-01-29105.95115.99-1.52WAT ahead
2025-01-28108.29118.66-1.55WAT ahead
2025-01-27108.74118.94-1.54WAT ahead
2025-01-24109.08118.04-1.40WAT ahead
2025-01-23109.81118.47-1.38WAT ahead
2025-01-22109.92117.19-1.22WAT ahead
2025-01-21109.90118.76-1.42WAT ahead
2025-01-17106.14115.94-1.58WAT ahead
2025-01-16104.24116.35-1.90WAT ahead
2025-01-15102.45114.13-1.90WAT ahead
2025-01-14103.31116.21-2.06WAT ahead
2025-01-13102.25114.76-2.05WAT ahead
2025-01-1099.02109.15-1.82WAT ahead
2025-01-0898.68107.39-1.65WAT ahead
2025-01-0798.98108.20-1.74WAT ahead
2025-01-0698.27108.22-1.86WAT ahead
2025-01-0397.74106.69-1.75WAT ahead
2025-01-0296.11105.69-1.88WAT ahead
2024-12-3196.77106.47-1.91WAT ahead
2024-12-3096.82106.45-1.92WAT ahead
2024-12-2797.63107.50-1.97WAT ahead
2024-12-2697.84108.13-2.05WAT ahead
2024-12-2498.03107.09-1.90WAT ahead
2024-12-2396.95106.12-1.95WAT ahead
2024-12-2096.89105.66-1.91WAT ahead
2024-12-1995.94103.50-1.77WAT ahead
2024-12-1895.81103.44-1.80WAT ahead
2024-12-1798.29107.25-1.99WAT ahead
2024-12-1699.16107.34-1.88WAT ahead
2024-12-13100.12108.56-1.93WAT ahead
2024-12-12101.50109.92-1.94WAT ahead
2024-12-11101.70110.57-2.02WAT ahead
2024-12-10102.23112.02-2.18WAT ahead
2024-12-09103.72112.50-2.04WAT ahead
2024-12-06101.26110.22-2.12WAT ahead
2024-12-0599.31109.44-2.36WAT ahead
2024-12-04100.99112.31-2.55WAT ahead
2024-12-03100.32111.06-2.52WAT ahead
2024-12-02100.54111.09-2.52WAT ahead
2024-11-2999.38110.41-2.65WAT ahead
2024-11-2799.50110.94-2.76WAT ahead
2024-11-2696.79111.39-3.40WAT ahead
2024-11-2596.87108.53-2.98WAT ahead
2024-11-2296.41107.18-2.89WAT ahead
2024-11-2195.12105.75-2.95WAT ahead
2024-11-2092.61102.67-2.96WAT ahead
2024-11-1990.5498.93-2.74WAT ahead
2024-11-1891.42102.01-3.22WAT ahead
2024-11-1591.53102.87-3.45WAT ahead
2024-11-1493.80108.11-4.10WAT ahead
2024-11-1396.72110.67-4.09WAT ahead
2024-11-1296.28110.72-4.37WAT ahead
2024-11-1196.42109.27-4.20WAT ahead
2024-11-0898.45110.35-4.10WAT ahead
2024-11-07100.58110.81-3.82WAT ahead
2024-11-0699.24110.97-4.35WAT ahead
2024-11-05101.14111.11-4.04WAT ahead
2024-11-04100.59111.16-4.37WAT ahead
2024-11-0198.59111.12-5.17WAT ahead
2024-10-3193.8692.73-1.46WAT ahead
2024-10-3094.7193.73-1.52WAT ahead
2024-10-2994.5393.18-1.42WAT ahead
2024-10-2894.7593.42-1.44WAT ahead
2024-10-2593.7893.14-1.67WAT ahead
2024-10-2494.1493.93-1.82WAT ahead
2024-10-2395.8295.65-1.85WAT ahead
2024-10-2296.1397.41-2.32WAT ahead
2024-10-2198.5199.15-2.16WAT ahead
2024-10-18100.00100.00-1.99WAT ahead

One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Nov 1, 2024 (A +5.0%, WAT +19.8%); Jul 14, 2025 (A -2.6%, WAT -13.8%); Feb 9, 2026 (A -1.6%, WAT -13.9%); May 5, 2026 (A +4.8%, WAT +13.5%); May 28, 2026 (A +16.9%, WAT +7.2%). Upcoming earnings: WAT Nov 3, 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)

1 simulated trade to Oct 20, 2026: -4.91% per trade on average after costs, 0 won.

LegsEnteredExitedWhyDaysBefore costsCosts + borrowAfter costs
Long A · Short WATAug 29, 2023Sep 20, 2023divergence stop22-$449.35-$45.84-$491.39 (-4.91%)

Per $10,000 a leg. A replay on today's companies cannot prove an edge.

The companies

A and WAT at a glance

A Agilent Technologies Inc.

Listing
NYSE · SEC CIK 1090872
Industry
Biotechnology: Laboratory Analytical Instruments · SIC 3826 Laboratory Analytical Instruments
Market value
$47.9B
Price history
2,521 daily closes, Oct 12, 2016 to Oct 22, 2026

WAT Waters Corporation

Listing
NYSE · SEC CIK 1000697
Industry
Biotechnology: Laboratory Analytical Instruments · SIC 3826 Laboratory Analytical Instruments
Market value
$42.7B
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.

Related
All pairs →
PairStatusAhead nowIndustry
WAT / ILMNWatchlistILMN by 1.64 sdSIC 3826 Laboratory Analytical Instruments
A / ILMNWatchlistILMN by 1.41 sdSIC 3826 Laboratory Analytical Instruments
A / MTDWatchlistneitherBiotechnology: Laboratory Analytical Instruments
WAT / MTDWatchlistneitherBiotechnology: Laboratory Analytical Instruments

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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.