MTG Open Interest
MGIC Investment Corp (MTG) had 5.32K open option contracts as of Nov 4, 2026: 3.19K calls and 2.12K puts. Open interest fell 11.6% over the past four weeks. The put/call open interest ratio is 0.66, so calls outnumber puts.
Open Interest by Strike
Showing results for MTG, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for MTG, 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 MTG, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for MTG, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for MTG, all expirations, calls & puts. View full history
MTG 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 MTG have?
MGIC Investment had 5.32K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 5.62K contracts.
Is MTG open interest rising or falling?
Open interest fell 11.6% over the past four weeks. It was 6.01K contracts on Oct 7, 2026. See the MTG open interest history for a longer view.
What is the MTG put/call open interest ratio?
The MGIC Investment put/call open interest ratio was 0.66 as of Nov 4, 2026. Four weeks earlier it was 0.28.
What is MGIC Investment Corp?
MGIC Investment Corp provides private mortgage insurance, other mortgage credit risk management solutions, and ancillary services.