GBX Open Interest
The Greenbrier Companies Inc (GBX) had 5.15K open option contracts as of Nov 4, 2026: 3.43K calls and 1.72K puts. Open interest rose 51.2% over the past four weeks. The put/call open interest ratio is 0.50, so calls outnumber puts.
Open Interest by Strike
Showing results for GBX, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for GBX, 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 GBX, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for GBX, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for GBX, all expirations, calls & puts. View full history
GBX 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 GBX have?
Greenbrier Companies had 5.15K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 3.9K contracts.
Is GBX open interest rising or falling?
Open interest rose 51.2% over the past four weeks. It was 3.41K contracts on Oct 7, 2026. See the GBX open interest history for a longer view.
What is the GBX put/call open interest ratio?
The Greenbrier Companies put/call open interest ratio was 0.50 as of Nov 4, 2026. Four weeks earlier it was 0.43.
What is The Greenbrier Companies Inc?
Greenbrier Companies Inc is a supplier of equipment and services to freight transportation markets.