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Ecolab Inc (ECL) — Price History

As of 2026-11-10 — refreshed nightly from the Closelooknet data lake. Diary readings, not advice.

Full Chart ↗

The Closelooknet read

  • Closelooknet score: 48 out of 100 (momentum 77 · quality 60 · valuation 23), as of 2026-11-11.
  • Signal: Trending — Above its 20-, 50- and 200-day — still in an uptrend. (as of 2026-11-09)
  • Trend: Ecolab Inc trades 7.9% above its 50-day and 10.9% above its 200-day moving average. (as of 2026-11-09)
  • Index seat: HALO Growth 100

Ecolab supplies water treatment, cleaning and infection-prevention products and services, organised into four segments: Global Water, Global Institutional & Specialty, Global Pest Elimination, and Global Life Sciences. It sells through direct sales teams, distributors and dealers under brand names including Ecolab, Kay, Purolite and Bioquell, serving industries from food and beverage to power generation and pharmaceuticals.

The full read — the desk's view, the earnings record, peers and the company snapshot — is on the ECL overview; the trend detail on the technical tab. Agents can buy the score depth per call over HTTP 402 — see the catalogue. Research diary readings, not advice.

Daily prices

DateOpenHighLowCloseChg %Volume
2026-11-10305.69308.50304.59306.03-0.23%1,293,465
2026-11-09304.45309.59301.63306.74+2.02%1,614,328
2026-11-06300.00304.14297.00300.68-1.68%2,219,201
2026-11-05318.85318.93303.68305.83-2.91%2,630,441
2026-11-04311.00315.58305.82315.01+3.39%2,747,149
2026-11-03307.60307.88303.58304.68-1.20%1,261,135
2026-11-02305.99310.00302.70308.38+1.78%1,492,989
2026-10-30301.84305.71300.71302.98+0.70%1,743,648
2026-10-29295.13302.59293.29300.86+2.89%2,034,173
2026-10-28290.73293.81288.24292.41+0.39%1,174,200
2026-10-27284.16294.75283.99291.27+0.82%1,570,455
2026-10-26288.96290.84287.11288.89+0.12%1,361,648
2026-10-23290.58292.28286.57288.53-1.29%994,366
2026-10-22287.81292.58286.94292.30+1.46%1,249,587
2026-10-21287.92289.67285.00288.09-0.02%1,400,515
2026-10-20285.95288.61283.74288.16+0.78%1,838,475
2026-10-19287.35290.00284.12285.94-1.02%1,967,579
2026-10-16292.28294.29286.00288.89-0.66%3,400,490
2026-10-15292.15295.95290.38290.81+1.08%1,947,583
2026-10-14284.63288.29284.37287.71+0.72%1,098,839
2026-10-13286.31287.00283.69285.66+0.48%1,150,320
2026-10-12281.00285.57278.85284.30+0.88%875,055
2026-10-09281.69282.69279.90281.83+0.05%935,006
2026-10-08276.52282.74276.15281.69+1.29%975,043
2026-10-07279.02280.08277.31278.10-0.97%1,146,400
2026-10-06278.76282.44275.80280.82+1.35%1,181,852
2026-10-05272.06279.57271.00277.07+1.23%940,172
2026-10-02273.31275.31271.17273.70+0.90%1,225,832
2026-10-01272.69273.60267.46271.26-1.21%1,683,291
2026-09-30278.13278.13274.58274.58-1.18%1,509,297
2026-09-29279.20280.82276.72277.87-0.84%1,107,445
2026-09-28277.57281.27277.00280.23+0.26%954,062
2026-09-25276.36280.66273.14279.49+1.50%1,006,114
2026-09-24276.07278.14273.75275.37-0.49%976,168
2026-09-23275.39277.81273.66276.72+0.18%1,058,731
2026-09-22272.84277.11271.00276.22+2.31%1,204,271
2026-09-21272.10272.11267.83269.98+0.19%803,792
2026-09-18269.97271.64267.91269.46-0.82%2,572,775
2026-09-17276.98276.98271.67271.68-0.88%985,370
2026-09-16275.59278.15272.25274.08-0.19%1,271,183
2026-09-15276.40277.45272.57274.60-0.33%1,008,113
2026-09-14276.56277.12273.83275.51-0.24%975,788
2026-09-11274.21277.55273.04276.18+1.69%1,289,093
2026-09-10270.28272.24268.52271.60-0.22%1,175,271
2026-09-09276.00277.17272.21272.21-2.12%1,051,566
2026-09-08277.46280.51276.00278.11-0.42%1,531,678
2026-09-04275.87280.50275.25279.28+0.11%1,017,332
2026-09-03281.54283.00276.15278.97-0.33%929,121
2026-09-02281.68284.96278.89279.90-0.12%1,383,336
2026-09-01282.71284.21279.32280.25-1.04%1,356,539
2026-08-31285.35286.31281.33283.20-1.24%1,530,987
2026-08-28287.73289.99285.16286.75+0.29%732,446
2026-08-27287.38288.75284.43285.91-1.61%1,384,850
2026-08-26290.45295.33289.89290.60+0.37%1,426,845
2026-08-25286.99290.28285.00289.54+0.89%1,779,449
2026-08-24284.06287.38283.89286.98+1.90%1,683,010
2026-08-21281.32283.64278.45281.63+0.05%2,403,388
2026-08-20282.44286.60280.33281.48-1.45%1,862,809
2026-08-19280.35285.78279.10285.62+2.01%1,555,373
2026-08-18276.40282.15275.24280.00+1.51%2,087,596
2026-08-17274.12277.21273.33275.84-0.10%2,384,235
2026-08-14275.14276.93274.30276.11-0.05%767,300
2026-08-13278.95279.62274.53276.26-0.78%874,381
2026-08-12282.47282.85277.88278.43-2.18%1,204,923
2026-08-11282.79286.34281.63284.63+0.08%724,914
2026-08-10284.25284.88281.31284.40-0.27%942,896
2026-08-07282.72287.71282.20285.17+0.60%1,106,750
2026-08-06286.62288.44280.73283.46-0.70%1,223,223
2026-08-05285.00286.46282.37285.47+0.82%1,309,121
2026-08-04278.00283.73276.32283.14+1.33%1,225,878
2026-08-03280.25281.86275.72279.43+0.65%1,595,433
2026-07-31274.40279.17272.79277.63-0.61%1,656,572
2026-07-30282.00283.76275.75279.34-1.54%1,141,440
2026-07-29285.68285.68278.88283.70+0.28%1,536,404
2026-07-28278.00284.99275.21282.90+4.24%1,889,641
2026-07-27269.04272.29269.00271.38+0.98%1,515,332
2026-07-24263.75268.83263.20268.75+2.13%1,155,135
2026-07-23262.87265.47261.50263.14-1.40%1,224,518
2026-07-22266.43267.37263.05266.88+1.01%1,115,592
2026-07-21267.16268.32263.22264.20-1.66%1,194,560
2026-07-20272.68273.94266.13268.65-1.53%1,147,173
2026-07-17277.65281.19272.09272.83-1.04%1,177,045
2026-07-16269.06275.74268.68275.71+2.02%1,202,069
2026-07-15269.40273.16268.46270.25+0.19%1,037,627
2026-07-14271.42273.03269.49269.75-0.77%849,288
2026-07-13274.07275.87269.61271.85-0.90%847,485
2026-07-10273.64275.70272.86274.31+0.47%649,883
2026-07-09273.80275.40270.37273.03-0.40%1,012,978
2026-07-08278.33278.34272.21274.12-3.17%1,213,497
2026-07-07287.04288.30281.80283.08-0.23%1,301,398
2026-07-06284.25284.25278.50283.72+0.13%1,045,496
2026-07-02278.94283.41276.09283.36+1.79%1,242,751
2026-07-01278.33282.92277.38278.37-0.09%1,231,121
2026-06-30279.70280.34276.58278.61+0.00%1,680,458
2026-06-29281.50282.26277.11278.60-1.78%1,560,446
2026-06-26280.30283.95277.95283.65+0.87%2,958,259
2026-06-25277.89283.40277.00281.20+1.78%1,954,305
2026-06-24272.69279.77270.05276.29+2.84%1,722,486
2026-06-23267.90273.46267.10268.66-0.25%1,724,427
2026-06-22267.67271.90265.92269.34+0.08%1,310,840
2026-06-18270.58275.44268.87269.12+0.02%3,332,824
2026-06-17272.19275.35267.80269.06-1.76%1,738,035
2026-06-16269.00276.78269.00273.87+1.97%2,259,774
2026-06-15268.71271.15267.50268.58+1.19%2,046,177
2026-06-12267.70268.00261.76265.41+0.68%1,935,303
2026-06-11259.08264.83257.50263.63+2.58%1,397,177
2026-06-10265.16265.16255.09256.99-2.82%1,828,296
2026-06-09262.00264.48260.59264.44+2.73%2,244,222
2026-06-08255.24260.54255.00257.41-0.22%2,198,202
2026-06-05256.78261.29256.35257.97+1.43%2,353,740
2026-06-04259.14260.75254.00254.33-0.52%1,158,581
2026-06-03255.76260.06254.21255.67-0.23%1,349,558
2026-06-02250.76258.55250.25256.26+2.31%1,929,372
2026-06-01253.27254.31247.84250.47-2.16%1,307,144
2026-05-29260.17260.92255.63256.00-1.63%2,939,933
2026-05-28259.54263.95258.62260.25-0.89%1,656,788
2026-05-27260.00266.91258.19262.58+3.28%2,606,117
2026-05-26254.59255.59251.95254.23+0.36%1,054,180
2026-05-22251.70254.03250.50253.32+1.26%1,254,781
2026-05-21247.40251.80244.93250.18+0.62%1,472,034
2026-05-20244.96250.36243.21248.64+1.18%2,028,619
2026-05-19246.00248.02243.15245.73-1.40%2,791,751
2026-05-18248.36251.35246.95249.21+0.64%1,542,085
2026-05-15248.32250.15245.25247.62-0.51%1,842,200
2026-05-14250.00251.07248.60248.88-0.30%1,587,722
2026-05-13250.79252.97248.60249.62-0.83%1,757,363
2026-05-12251.12252.40248.75251.70+0.24%1,625,355
2026-05-11255.82257.37250.13251.10-1.23%1,654,141
2026-05-08257.58258.36251.89254.22-0.91%1,869,331
2026-05-07264.02265.50256.44256.55-2.61%1,860,110
2026-05-06261.65265.79261.65263.42+2.24%1,691,319
2026-05-05256.93259.12254.56257.65+0.81%1,145,171
2026-05-04257.58261.02254.83255.59-1.51%1,726,044
2026-05-01262.48263.10258.99259.51-0.42%978,377
2026-04-30257.23262.00256.00260.60+1.55%1,413,433
2026-04-29262.20265.92254.53256.61-3.88%1,560,211
2026-04-28267.84269.14259.21266.96-0.34%2,145,332
2026-04-27269.75269.96265.95267.88-0.60%1,285,470
2026-04-24270.66271.52266.00269.49-0.72%1,220,109
2026-04-23269.97272.96267.23271.45+0.94%796,554
2026-04-22271.96274.12267.42268.93-0.71%1,083,584
2026-04-21277.04277.69269.58270.84-1.76%1,109,827
2026-04-20274.80278.84274.16275.68+0.32%1,159,853
2026-04-17270.03279.00269.06274.80+2.07%2,636,658
2026-04-16270.10273.00267.85269.23-0.42%1,441,397
2026-04-15271.86273.46267.54270.37-1.01%1,036,867
2026-04-14276.94276.94272.07273.13-0.75%1,166,546
2026-04-13271.73275.89269.88275.20+0.70%1,712,424
2026-04-10273.71274.77272.00273.29+0.30%1,596,857
2026-04-09270.37273.09268.62272.47-0.38%923,631
2026-04-08268.76273.56267.79273.51+4.29%1,326,192
2026-04-07265.71266.53259.14262.26-1.79%1,238,445
2026-04-06263.13267.10262.48267.03+1.04%826,308
2026-04-02265.18269.11262.71264.28-1.95%1,000,609
2026-04-01267.45270.86265.56269.54+1.32%1,095,884
2026-03-31261.05266.30259.76266.02+1.34%1,874,419
2026-03-30262.00265.45261.70262.49+0.43%1,485,948
2026-03-27263.42265.23260.54261.37-1.09%1,720,202
2026-03-26268.93269.93263.28264.25-1.60%1,260,255
2026-03-25268.46270.90265.11268.54+1.53%2,191,579
2026-03-24260.00267.87258.58264.49+1.29%1,744,483
2026-03-23259.12264.04257.03261.13+1.81%1,745,240
2026-03-20257.03259.05254.34256.48-0.86%2,877,689
2026-03-19259.54260.43252.66258.70-1.20%2,362,769
2026-03-18269.51270.48261.50261.84-3.94%1,728,127
2026-03-17274.15274.20269.50272.59-0.19%1,333,818
2026-03-16279.45279.69272.22273.11-0.39%1,547,995
2026-03-13278.22279.13273.61274.18-0.62%1,342,508
2026-03-12275.24278.38274.43275.89-0.40%1,503,878
2026-03-11278.99279.90275.27277.00-1.56%1,551,937
2026-03-10281.66285.26279.90281.39-0.17%2,354,133
2026-03-09279.55282.48274.74281.86-0.29%1,639,916
2026-03-06283.45285.00279.65282.69-1.48%1,834,082
2026-03-05294.91296.28284.56286.93-3.68%2,209,754
2026-03-04297.19298.85295.30297.88-0.19%884,309
2026-03-03299.88299.88292.42298.46-1.65%1,528,870
2026-03-02304.98305.80297.91303.46-1.59%1,428,333
2026-02-27305.57308.36303.75308.35+0.52%1,832,604
2026-02-26308.02308.71303.04306.76+0.08%1,187,911
2026-02-25308.66309.24302.84306.52-0.53%1,096,137
2026-02-24308.19309.27305.67308.16+0.81%1,100,120
2026-02-23302.22306.11300.13305.67+0.50%1,102,553
2026-02-20301.95304.94299.60304.16+1.05%1,333,091
2026-02-19301.62303.51299.11301.00-0.53%1,088,498
2026-02-18303.61305.52300.78302.59-0.40%1,268,549
2026-02-17300.63304.25298.51303.80+1.55%1,341,236
2026-02-13300.65303.92298.12299.17-0.51%1,067,859
2026-02-12304.60306.52300.62300.69-0.94%1,811,331
2026-02-11299.86304.30297.08303.55+1.31%1,453,982
2026-02-10294.38303.01285.85299.62+3.98%2,287,899
2026-02-09288.95289.19284.82288.16-0.75%1,965,662
2026-02-06287.59291.08286.83290.33+1.09%1,535,656
2026-02-05289.40290.00285.24287.19-0.34%1,293,960
2026-02-04283.89289.31282.85288.16+2.03%1,592,210
2026-02-03282.30286.01280.63282.42-0.43%1,427,776
2026-02-02282.44285.65280.97283.65+0.59%986,061
2026-01-30283.12284.91279.42281.99-0.30%1,293,781
2026-01-29281.42284.43278.38282.83+0.49%1,199,138
2026-01-28283.56284.03278.87281.46-0.93%1,165,581
2026-01-27282.75285.00281.08284.09+0.15%1,004,204
2026-01-26282.84284.78281.53283.67+0.63%1,222,971
2026-01-23281.38282.35279.54281.90+0.15%847,919
2026-01-22280.92281.54278.70281.48+0.58%976,689
2026-01-21275.00282.47274.38279.86+2.51%1,320,758
2026-01-20273.74274.88271.12273.00-1.47%1,186,870
2026-01-16276.90277.90274.48277.07-0.24%1,297,200
2026-01-15277.17280.00275.63277.73+0.75%1,128,964
2026-01-14273.00276.72272.06275.65+0.77%1,276,264
2026-01-13270.76273.68270.00273.54+0.94%912,021
2026-01-12271.40273.66270.00271.00-0.27%853,333
2026-01-09271.46273.77270.03271.73-0.00%750,543
2026-01-08266.27273.54265.78271.74+1.11%990,276
2026-01-07272.49272.91267.74268.75-1.02%1,250,172
2026-01-06262.58272.63261.57271.53+3.17%1,435,416
2026-01-05261.93264.60260.00263.18+0.21%1,754,615
2026-01-02261.20263.41259.14262.64+0.05%1,119,925
2025-12-31264.28264.90262.45262.52-0.74%605,709
2025-12-30264.72265.45263.60264.48-0.39%1,008,772
2025-12-29265.97266.31264.09265.52-0.09%1,058,995
2025-12-26265.00266.12263.20265.75+0.06%670,941
2025-12-24264.36266.00263.46265.58+0.32%525,540
2025-12-23267.98267.98264.16264.74-0.99%864,813
2025-12-22264.06267.99263.26267.38+1.44%1,035,042
2025-12-19262.05264.10260.66263.59+0.25%3,308,951
2025-12-18261.83266.31260.00262.92+0.39%1,338,633
2025-12-17258.68263.40258.62261.89+0.91%1,560,612
2025-12-16261.08261.25258.56259.53-0.61%1,310,472
2025-12-15262.84263.91259.36261.11-0.94%1,669,539
2025-12-12262.69264.01260.68263.60+0.87%1,357,367
2025-12-11258.14261.75257.46261.33+1.51%1,023,718
2025-12-10252.50258.27251.77257.45+1.64%1,962,579
2025-12-09257.57258.83252.78253.29-1.50%1,349,182
2025-12-08259.70259.70256.90257.15-0.98%1,625,889
2025-12-05264.76265.20259.13259.69-1.79%1,550,994
2025-12-04264.40265.30262.37264.42+0.03%1,672,038
2025-12-03271.32272.87264.16264.33-2.42%2,431,376
2025-12-02274.05274.51269.74270.89-0.72%1,079,804
2025-12-01273.57275.94272.52272.86-0.84%1,377,400
2025-11-28274.05276.62273.13275.16+0.06%608,706
2025-11-26273.18276.12272.42274.99+0.56%1,281,392
2025-11-25269.77275.14268.74273.46+1.73%1,744,043
2025-11-24267.45269.16265.89268.80+0.65%2,924,937
2025-11-21262.37268.67261.74267.07+2.04%1,914,726
2025-11-20261.93262.90260.96261.74+0.09%1,694,487
2025-11-19256.96261.62255.91261.50+2.28%1,965,475
2025-11-18254.12257.44251.75255.67+0.08%1,071,583
2025-11-17258.00258.59255.10255.46-1.21%994,807
2025-11-14260.75261.81258.00258.58-1.30%883,152
2025-11-13260.73263.98258.01261.98+0.35%1,354,968
2025-11-12262.15263.86260.19261.06-0.38%1,015,557

Most recent 250 sessions, newest first.

Seasonal returns

Best month historically: Feb (+7.82%). Worst month: Mar (-2.89%). Based on 5 years of daily data (2022–2026).

FAQ · from the current price data · as of 2026-11-10

Quick answers

What is Ecolab Inc's (ECL) latest close?

306.03 on 2026-11-10, from the Closelook data lake's daily price record.

What is ECL's 52-week high and low?

318.93 high and 243.15 low over the trailing 52 weeks, as of 2026-11-10.

What is Ecolab Inc's strongest and weakest month historically?

Historically, ECL's strongest calendar month has been Feb (average +7.82%) and its weakest Mar (average -2.89%), based on 5 years of daily data (2022–2026).

How many years of seasonality does this cover?

5 years (2022–2026), computed from 1031 daily bars in the Closelook data lake.

What is Ecolab Inc's Closelooknet score?

48 out of 100 (momentum 77 · quality 60 · valuation 23), as of 2026-11-11. Scores are Closelooknet's own research readings, not ratings or investment advice.

What is the current Closelooknet signal on ECL?

Trending: Above its 20-, 50- and 200-day — still in an uptrend. As of 2026-11-09. A research diary reading, not advice.

Is ECL above its 50-day and 200-day moving averages?

Ecolab Inc trades 7.9% above its 50-day and 10.9% above its 200-day moving average (3.7% above its 20-day). As of 2026-11-09.