ICON plc options tape
Read from CBOE's delayed chain on 26 September 2026, with ICON plc at $172.33: open interest within 90 days was 4,175 call and 1,928 put contracts, a put/call ratio of 0.46; the day's volume was 19 calls and 27 puts (1.42). The most call open interest sits at the $210.00 strike (977 contracts) and the most put open interest at $165.00 (964). The at-the-money straddle for 16 October 2026, 20 days out, was priced at 8.6% of spot. For 16 October 2026, implied volatility was 46.2% at the put 5% below spot and 43.3% at the call 5% above, +2.9 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $210.00 | 977 |
| Puts | $165.00 | 964 |
The strike with the most open interest on each side, across expiries within 90 days.
Open-interest builds against the previous day appear from the second daily read of this name.
Source
CBOE delayed quotes for ICLR, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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