Automatic Data Processing Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with Automatic Data Processing Inc. at $269.95: open interest within 90 days was 8,757 call and 8,856 put contracts, a put/call ratio of 1.01; the day's volume was 1,299 calls and 1,011 puts (0.78). The most call open interest sits at the $310.00 strike (1,331 contracts) and the most put open interest at $260.00 (1,841). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 2.3% of spot. For 16 October 2026, implied volatility was 27.3% at the put 5% below spot and 26.6% at the call 5% above, +0.7 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $310.00 | 1,331 |
| Puts | $260.00 | 1,841 |
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 |
|---|---|---|---|
| 25 September 2026 call at $267.50 | 333 | 4 | $153,180 |
| 25 September 2026 put at $267.50 | 430 | 105 | $105,350 |
| 25 September 2026 call at $270.00 | 286 | 12 | $87,230 |
| 25 September 2026 put at $265.00 | 335 | 9 | $40,200 |
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 put at $240.00 | 752 | +301 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for ADP, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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