Novartis AG options tape
Read from CBOE's delayed chain on 26 September 2026, with Novartis AG at $145.46: open interest within 90 days was 20,996 call and 33,440 put contracts, a put/call ratio of 1.59; the day's volume was 499 calls and 212 puts (0.42). The most call open interest sits at the $155.00 strike (3,260 contracts) and the most put open interest at $135.00 (5,917). The at-the-money straddle for 16 October 2026, 20 days out, was priced at 4.0% of spot. For 16 October 2026, implied volatility was 22.0% at the put 5% below spot and 20.8% at the call 5% above, +1.3 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $155.00 | 3,260 |
| Puts | $135.00 | 5,917 |
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 NVS, 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.