On Holding AG options tape
Read from CBOE's delayed chain on 26 September 2026, with On Holding AG at $30.23: open interest within 90 days was 99,663 call and 77,358 put contracts, a put/call ratio of 0.78; the day's volume was 1,545 calls and 2,831 puts (1.83). The most call open interest sits at the $35.00 strike (16,248 contracts) and the most put open interest at $22.50 (22,721). The at-the-money straddle for 2 October 2026, 6 days out, was priced at 4.3% of spot. For 16 October 2026, implied volatility was 39.6% at the put 5% below spot and 40.5% at the call 5% above, -0.9 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $35.00 | 16,248 |
| Puts | $22.50 | 22,721 |
The strike with the most open interest on each side, across expiries within 90 days.
Strikes where the day's volume was at least twice the open interest
| Contract | Volume | Open interest before | Premium traded |
|---|---|---|---|
| 16 October 2026 put at $28.00 | 1,073 | 164 | $31,654 |
Volume of at least 200 contracts and at least twice the open interest, with at least $25,000 of premium at the mid; contracts expiring the same day are left out. Premium is mid price times volume times 100.
Open-interest builds against the previous day appear from the second daily read of this name.
Source
CBOE delayed quotes for ONON, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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