CDW Corp. options tape
Read from CBOE's delayed chain on 23 September 2026, with CDW Corp. at $146.41: open interest within 90 days was 8,406 call and 6,852 put contracts, a put/call ratio of 0.82; the day's volume was 33 calls and 107 puts (3.24). The most call open interest sits at the $160.00 strike (2,758 contracts) and the most put open interest at $115.00 (2,882). The at-the-money straddle for 16 October 2026, 23 days out, was priced at 8.8% of spot. For 16 October 2026, implied volatility was 44.0% at the put 5% below spot and 42.6% at the call 5% above, +1.5 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $160.00 | 2,758 |
| Puts | $115.00 | 2,882 |
The strike with the most open interest on each side, across expiries within 90 days.
Source
CBOE delayed quotes for CDW, 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.