HAL Open Interest
Halliburton Company (HAL) had 421.44K open option contracts as of Nov 4, 2026: 248.64K calls and 172.8K puts. Open interest fell 5.5% over the past four weeks. The put/call open interest ratio is 0.69, so calls outnumber puts.
Open Interest by Strike
Showing results for HAL, 2026-11-06(w), calls & puts
Open Interest Stats
Showing results for HAL, 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 HAL, 2026-11-06(w), calls & puts
Open Interest Total by Expiry
Showing results for HAL, 2026-11-06(w), calls & puts. View all expiries
Open Interest History
Showing daily totals for HAL, all expirations, calls & puts. View full history
HAL 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 HAL have?
Halliburton had 421.44K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 430.53K contracts.
Is HAL open interest rising or falling?
Open interest fell 5.5% over the past four weeks. It was 446.16K contracts on Oct 7, 2026. See the HAL open interest history for a longer view.
What is the HAL put/call open interest ratio?
The Halliburton put/call open interest ratio was 0.69 as of Nov 4, 2026. Four weeks earlier it was 0.62.
What is Halliburton Company?
Halliburton is North America's largest oilfield-services company as measured by market share.