Vertex Pharmaceuticals Inc. / MA options tape
Read from CBOE's delayed chain on 23 September 2026, with Vertex Pharmaceuticals Inc. / MA at $510.72: open interest within 90 days was 8,032 call and 7,704 put contracts, a put/call ratio of 0.96; the day's volume was 951 calls and 440 puts (0.46). The most call open interest sits at the $540.00 strike (771 contracts) and the most put open interest at $500.00 (1,132). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 2.7% of spot. For 16 October 2026, implied volatility was 31.5% at the put 5% below spot and 28.9% at the call 5% above, +2.6 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $540.00 | 771 |
| Puts | $500.00 | 1,132 |
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 call at $515.00 | 373 | +373 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for VRTX, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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