CAT Open Interest
Caterpillar Inc (CAT) had 255.27K open option contracts as of Nov 4, 2026: 131.24K calls and 124.03K puts. Open interest rose 8.1% over the past four weeks. The put/call open interest ratio is 0.95, so calls and puts are about even.
Open Interest by Strike
Showing results for CAT, 2026-11-06(w), calls & puts
Open Interest Stats
Showing results for CAT, 2026-11-06(w), calls & puts
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| Put Open Interest Total | |
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Highest Open Interest Options
Showing results for CAT, 2026-11-06(w), calls & puts
Open Interest Total by Expiry
Showing results for CAT, 2026-11-06(w), calls & puts. View all expiries
Open Interest History
Showing daily totals for CAT, all expirations, calls & puts. View full history
CAT Open Interest FAQ
What is open interest?
Open interest is the number of option contracts that are open and not yet closed, exercised, or expired. The Options Clearing Corporation calculates it once a day from the previous day's trades, and it is published before the market opens.
How much open interest does CAT have?
Caterpillar had 255.27K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 243.68K contracts.
Is CAT open interest rising or falling?
Open interest rose 8.1% over the past four weeks. It was 236.1K contracts on Oct 7, 2026. See the CAT open interest history for a longer view.
What is the CAT put/call open interest ratio?
The Caterpillar put/call open interest ratio was 0.95 as of Nov 4, 2026. Four weeks earlier it was 1.02.
What is Caterpillar Inc?
Caterpillar is the world's leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines, and diesel-electric locomotives.