COST options flow: unusual options activity in Costco Wholesale Corp.

Updated 28 September 2026, 09:54 ET

The 500 most recent unusual options prints in Costco Wholesale Corp. (COST), from 23 September 2026 to 28 September 2026, carry $33.6M of tracked premium, leaning bearish. The delayed tape holds that many at a time, and this name fills it in 4 sessions. Bullish premium was $7.8M against $19.3M bearish; $27.7M went into calls and $5.9M into puts, a put call ratio of 0.21. The largest print was $580K of COST 15 Sep 2028 $1,250 calls on 23 September 2026, swept at ask. The last session with prints, 28 September 2026, added 5 prints and $302K of premium. COST closed at $922.76 on 25 September 2026, up 2.9%.

The latest unusual flow

The 500 most recent prints, 23 September 2026 to 28 September 2026, 4 sessions. The delayed tape holds that many at a time; the full stream with every print is in the app. 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

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, $18.2M, is aimed at the 15 Dec 2028 expiry; the nearest expiry with unusual prints is 18 Dec 2026.

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, 28 September 2026

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

Price

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

Analysts

The most recent analyst targets on file, from 18 firms, have a median of $1,058, 14.6% 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 Costco Wholesale Corp.

Exchange

Nasdaq

Sector

Consumer Staples

Industry

Retail

Headquarters

Issaquah, Washington

Website

costco.com

Costco Wholesale Corporation engages in the operation of membership warehouses in the United States, Puerto Rico, Canada, the United Kingdom, Mexico, Japan, Korea, Australia, Spain, France, Iceland, China, and Taiwan. It offers sundries, dry groceries, candies, coolers, freezers, liquor, and tobacco and deli products. The company also operates pharmacies, opticals, food courts, hearing-aid centers, and tire installation centers.

In the same sector

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

WMT Walmart Inc.KO Coca Cola Co.PG Procter & Gamble Co.PM Philip Morris International Inc.PEP PepsiCo Inc.MO Altria Group, Inc.MNST Monster Beverage Corp.MDLZ Mondelez International, 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