Fastenal Co. options tape
Read from CBOE's delayed chain on 23 September 2026, with Fastenal Co. at $50.08: open interest within 90 days was 26,808 call and 23,245 put contracts, a put/call ratio of 0.87; the day's volume was 3,664 calls and 1,550 puts (0.42). The most call open interest sits at the $50.00 strike (8,273 contracts) and the most put open interest at $50.00 (12,948). The at-the-money straddle for 16 October 2026, 23 days out, was priced at 7.0% of spot. For 16 October 2026, implied volatility was 36.9% at the put 5% below spot and 34.2% at the call 5% above, +2.7 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $50.00 | 8,273 |
| Puts | $50.00 | 12,948 |
The strike with the most open interest on each side, across expiries within 90 days.
Strikes where the day's volume was at least twice the open interest
| Contract | Volume | Open interest before | Premium traded |
|---|---|---|---|
| 18 December 2026 call at $57.50 | 3,158 | 780 | $213,165 |
Volume of at least 200 contracts and at least twice the open interest, with at least $25,000 of premium at the mid; contracts expiring the same day are left out. Premium is mid price times volume times 100.
Open interest built since 22 September 2026
| Contract | Open interest now | Change |
|---|---|---|
| 20 November 2026 call at $55.00 | 1,886 | +452 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for FAST, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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