Gartner Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with Gartner Inc. at $183.32: open interest within 90 days was 6,008 call and 4,272 put contracts, a put/call ratio of 0.71; the day's volume was 156 calls and 61 puts (0.39). The most call open interest sits at the $230.00 strike (581 contracts) and the most put open interest at $160.00 (490). The at-the-money straddle for 16 October 2026, 23 days out, was priced at 10.1% of spot. For 16 October 2026, implied volatility was 48.6% at the put 5% below spot and 51.0% at the call 5% above, -2.4 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $230.00 | 581 |
| Puts | $160.00 | 490 |
The strike with the most open interest on each side, across expiries within 90 days.
Source
CBOE delayed quotes for IT, 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.