GATX Open Interest
GATX Corporation (GATX) had 861 open option contracts as of Nov 4, 2026: 495 calls and 366 puts. Open interest rose 89.2% over the past four weeks, and is GATX's highest level in 4 weeks. The put/call open interest ratio is 0.74, so calls outnumber puts.
Open Interest by Strike
Showing results for GATX, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for GATX, 2026-11-20(m), calls & puts
| Call Open Interest Total | |
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| Put Open Interest Total | |
| Open Interest Total | |
| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for GATX, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for GATX, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for GATX, all expirations, calls & puts. View full history
GATX 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 GATX have?
GATX had 861 open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 548 contracts.
Is GATX open interest rising or falling?
Open interest rose 89.2% over the past four weeks, and is GATX's highest level in 4 weeks. It was 455 contracts on Oct 7, 2026. See the GATX open interest history for a longer view.
What is the GATX put/call open interest ratio?
The GATX put/call open interest ratio was 0.74 as of Nov 4, 2026. Four weeks earlier it was 0.41.
What is GATX Corporation?
GATX Corp leases transportation assets, including railcars, aircraft spare engines, and tank containers, to customers in North America, Europe, and India.