ECL options flow: unusual options activity in Ecolab Inc.

Updated 28 September 2026, 09:54 ET

Over the last week the tape recorded 2 unusual options prints in Ecolab Inc. (ECL), $107K of tracked premium, close to even between bullish and bearish premium. Bullish premium was $52K against $55K bearish; $55K went into calls and $52K into puts, a put call ratio of 0.94. The largest print was $55K of ECL 16 Oct 2026 $290 calls on 22 September 2026, executed at bid. The last session with prints, 25 September 2026, added 1 print and $52K of premium. ECL closed at $279.49 on 25 September 2026, up 1.5%.

This week's unusual flow

Prints from 22 September 2026 to 25 September 2026, 2 sessions. Delayed tier: every print is shown twenty minutes after it executed, and the page is rebuilt after each session.

Net premium is bullish minus bearish premium. The put call ratio is put premium divided by call premium, weighted by money rather than by contract count. Sweeps is the share of prints executed across several exchanges at once. Read the guide: Reading the Pulse.

Largest prints of the week

Size above open interest means the trade opened a position larger than everything that existed in the contract the night before. Above ask and below bid are the most aggressive executions. Read the guide: Size versus open interest.

Where the money is aimed

The most premium, $107K, is aimed at the 16 Oct 2026 expiry.

A print in a contract expiring this week is a view about the next few days, often about a known event; a print months out is a different kind of statement. Read the guide: 0DTE options flow.

The last session, 25 September 2026

Every print in ECL with its full detail, the live tape, one tap filters and saved screeners: open ECL in Options Sentiment Screener.

Price

The live quote and the price chart sit beside the ticker's flow in the app: open ECL in Options Sentiment Screener.

Analysts

The most recent analyst targets on file, from 11 firms, have a median of $330, 18.1% above the last close. The last 90 days brought 1 upgrade.

Calls bought at a strike above the average target are a bet that the analysts are too cautious; puts far below the price in a name they like are protection or a strong disagreement. Read the guide: Reading one ticker's flow.

About Ecolab Inc.

Exchange

NYSE

Sector

Materials

Industry

Consumer Goods

Headquarters

Wilmington, Minnesota

Website

ecolab.com

Ecolab Inc. provides water, hygiene, and infection prevention solutions and services in the United States and internationally. The company operates through Global Industrial, Global Institutional & Specialty, and Global Healthcare & Life Sciences segments. The Global Industrial segment offers water treatment and process applications, cleaning and sanitizing solutions to manufacturing, food and beverage processing, transportation, chemical, metals and mining, power generation, pulp and paper, commercial laundry, petroleum, refining, and petrochemical industries.

In the same sector

Flow pages for other Materials names in the S&P 500:

LIN Linde PLCNEM Newmont Corp.FCX Freeport-McMoRan Inc.SHW Sherwin Williams Co.APD Air Products & Chemicals, Inc.CRH CRH Public Ltd. Co.NUE Nucor Corp.CTVA Corteva, Inc.

Learn

• What unusual options activity means
• Reading one ticker's flow
• Sweeps, blocks and where a trade printed
• Size versus open interest
• Bullish or bearish, how a print's sentiment is inferred
• The conviction score and whale prints