Genmab A/S options tape
Read from CBOE's delayed chain on 26 September 2026, with Genmab A/S at $35.26: open interest within 90 days was 28,617 call and 5,022 put contracts, a put/call ratio of 0.18; the day's volume was 14 calls and 11 puts (0.79). The most call open interest sits at the $30.00 strike (17,624 contracts) and the most put open interest at $30.00 (2,099). The at-the-money straddle for 16 October 2026, 20 days out, was priced at 9.4% of spot. For 16 October 2026, implied volatility was 57.1% at the put 5% below spot and 40.7% at the call 5% above, +16.4 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $30.00 | 17,624 |
| Puts | $30.00 | 2,099 |
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 GMAB, 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.