Block, Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with Block, Inc. at $77.23: open interest within 90 days was 120,546 call and 48,649 put contracts, a put/call ratio of 0.4; the day's volume was 16,760 calls and 24,072 puts (1.44). The most call open interest sits at the $95.00 strike (26,824 contracts) and the most put open interest at $70.00 (7,894). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 3.2% of spot. For 16 October 2026, implied volatility was 38.3% at the put 5% below spot and 38.1% at the call 5% above, +0.3 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $95.00 | 26,824 |
| Puts | $70.00 | 7,894 |
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 |
|---|---|---|---|
| 20 November 2026 put at $72.50 | 11,312 | 18 | $3.8 million |
| 20 November 2026 call at $90.00 | 11,342 | 3,282 | $2.4 million |
| 20 November 2026 put at $65.00 | 11,314 | 885 | $1.4 million |
| 20 November 2026 call at $82.50 | 397 | 138 | $160,785 |
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 |
|---|---|---|
| 16 October 2026 call at $85.00 | 2,933 | +1,147 |
| 20 November 2026 put at $45.00 | 1,528 | +618 |
| 18 December 2026 call at $80.00 | 1,468 | +609 |
| 16 October 2026 call at $82.50 | 1,547 | +602 |
| 18 December 2026 call at $77.50 | 1,437 | +573 |
| 25 September 2026 call at $80.00 | 600 | +289 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for XYZ, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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