FAST Open Interest
Fastenal Co (FAST) had 87.74K open option contracts as of Nov 4, 2026: 62.04K calls and 25.7K puts. Open interest rose 1.4% over the past four weeks. The put/call open interest ratio is 0.41, so calls outnumber puts.
Open Interest by Strike
Showing results for FAST, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for FAST, 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 FAST, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for FAST, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for FAST, all expirations, calls & puts. View full history
FAST 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 FAST have?
Fastenal had 87.74K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 86.23K contracts.
Is FAST open interest rising or falling?
Open interest rose 1.4% over the past four weeks. It was 86.53K contracts on Oct 7, 2026. See the FAST open interest history for a longer view.
What is the FAST put/call open interest ratio?
The Fastenal put/call open interest ratio was 0.41 as of Nov 4, 2026. Four weeks earlier it was 0.67.
What is Fastenal Co?
Fastenal began as an industrial retailer, expanding its product portfolio from nuts and bolts to cutting tools, safety equipment, and janitorial supplies.