WAB Open Interest
Wabtec Inc (WAB) had 3.01K open option contracts as of Nov 4, 2026: 2.0K calls and 1.01K puts. Open interest fell 14.7% 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 WAB, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for WAB, 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 WAB, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for WAB, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for WAB, all expirations, calls & puts. View full history
WAB 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 WAB have?
Wabtec had 3.01K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 3.17K contracts.
Is WAB open interest rising or falling?
Open interest fell 14.7% over the past four weeks. It was 3.53K contracts on Oct 7, 2026. See the WAB open interest history for a longer view.
What is the WAB put/call open interest ratio?
The Wabtec put/call open interest ratio was 0.50 as of Nov 4, 2026. Four weeks earlier it was 0.71.
What is Wabtec Inc?
Westinghouse Air Brake Technologies Corp provides value-added, technology-based products and services for the freight rail and passenger transit industries and the mining, marine, and industrial markets.