Illumina, Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with Illumina, Inc. at $247.46: open interest within 90 days was 4,772 call and 2,282 put contracts, a put/call ratio of 0.48; the day's volume was 307 calls and 793 puts (2.58). The most call open interest sits at the $220.00 strike (879 contracts) and the most put open interest at $200.00 (391). 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 49.5% at the put 5% below spot and 48.2% at the call 5% above, +1.3 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $220.00 | 879 |
| Puts | $200.00 | 391 |
The strike with the most open interest on each side, across expiries within 90 days.
Open interest built since 22 September 2026
| Contract | Open interest now | Change |
|---|---|---|
| 16 October 2026 put at $230.00 | 307 | +261 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for ILMN, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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