Alphabet Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with Alphabet Inc. at $351.80: open interest within 90 days was 990,377 call and 504,871 put contracts, a put/call ratio of 0.51; the day's volume was 465,238 calls and 148,185 puts (0.32). The most call open interest sits at the $370.00 strike (89,328 contracts) and the most put open interest at $300.00 (30,186). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 2.6% of spot. For 16 October 2026, implied volatility was 31.6% at the put 5% below spot and 31.9% at the call 5% above, -0.3 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $370.00 | 89,328 |
| Puts | $300.00 | 30,186 |
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 $360.00 | 12,915 | 6,320 | $2.2 million |
| 25 September 2026 put at $360.00 | 2,075 | 1,018 | $2.1 million |
| 2 October 2026 call at $370.00 | 9,152 | 3,360 | $1.7 million |
| 25 September 2026 call at $362.50 | 11,630 | 4,282 | $1.4 million |
| 25 September 2026 put at $352.50 | 2,329 | 588 | $1.2 million |
| 30 October 2026 call at $330.00 | 388 | 91 | $1.2 million |
| 25 September 2026 call at $352.50 | 2,835 | 1,263 | $1.2 million |
| 25 September 2026 put at $355.00 | 1,688 | 477 | $1.1 million |
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 |
|---|---|---|
| 23 September 2026 call at $360.00 | 7,293 | +5,569 |
| 9 October 2026 call at $355.00 | 7,226 | +4,872 |
| 2 October 2026 call at $400.00 | 4,451 | +3,264 |
| 18 December 2026 call at $450.00 | 19,260 | +2,347 |
| 23 September 2026 put at $350.00 | 2,637 | +2,299 |
| 23 September 2026 call at $370.00 | 2,412 | +2,184 |
| 18 December 2026 call at $240.00 | 3,142 | +2,128 |
| 25 September 2026 put at $345.00 | 4,622 | +1,995 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for GOOGL, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
The same record on your computer
GreekSoup is also a free program for your own computer. It reads these same filings for the names you follow, refreshed as they land, with no account. One pasted line installs it.