MTX Open Interest
Minerals Technologies Inc (MTX) had 396 open option contracts as of Nov 4, 2026: 263 calls and 133 puts. Open interest rose 5.0% over the past four weeks. The put/call open interest ratio is 0.51, so calls outnumber puts.
Open Interest by Strike
Showing results for MTX, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for MTX, 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 MTX, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for MTX, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for MTX, all expirations, calls & puts. View full history
MTX 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 MTX have?
Minerals Technologies had 396 open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 384 contracts.
Is MTX open interest rising or falling?
Open interest rose 5.0% over the past four weeks. It was 377 contracts on Oct 7, 2026. See the MTX open interest history for a longer view.
What is the MTX put/call open interest ratio?
The Minerals Technologies put/call open interest ratio was 0.51 as of Nov 4, 2026. Four weeks earlier it was 0.43.
What is Minerals Technologies Inc?
Minerals Technologies Inc mines, produces, and sells mineral-based products.