LAC Open Interest
Lithium Americas Corp (LAC) had 357.84K open option contracts as of Nov 4, 2026: 313.52K calls and 44.32K puts. Open interest rose 6.7% over the past four weeks, and is LAC's highest level in 8 weeks. The put/call open interest ratio is 0.14, so calls outnumber puts.
Open Interest by Strike
Showing results for LAC, 2026-11-06(w), calls & puts
Open Interest Stats
Showing results for LAC, 2026-11-06(w), 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 LAC, 2026-11-06(w), calls & puts
Open Interest Total by Expiry
Showing results for LAC, 2026-11-06(w), calls & puts. View all expiries
Open Interest History
Showing daily totals for LAC, all expirations, calls & puts. View full history
LAC 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 LAC have?
Lithium Americas had 357.84K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 345.11K contracts.
Is LAC open interest rising or falling?
Open interest rose 6.7% over the past four weeks, and is LAC's highest level in 8 weeks. It was 335.3K contracts on Oct 7, 2026. See the LAC open interest history for a longer view.
What is the LAC put/call open interest ratio?
The Lithium Americas put/call open interest ratio was 0.14 as of Nov 4, 2026. Four weeks earlier it was 0.18.