argenx SE options tape
Read from CBOE's delayed chain on 26 September 2026, with argenx SE at $959.49: open interest within 90 days was 3,064 call and 1,659 put contracts, a put/call ratio of 0.54; the day's volume was 3 calls and 2 puts (0.67). The most call open interest sits at the $920.00 strike (320 contracts) and the most put open interest at $950.00 (478). The at-the-money straddle for 16 October 2026, 20 days out, was priced at 6.5% of spot. For 16 October 2026, implied volatility was 34.1% at the put 5% below spot and 33.9% at the call 5% above, +0.2 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $920.00 | 320 |
| Puts | $950.00 | 478 |
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 ARGX, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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