Birkenstock Holding plc options tape
Read from CBOE's delayed chain on 26 September 2026, with Birkenstock Holding plc at $33.74: open interest within 90 days was 15,900 call and 51,135 put contracts, a put/call ratio of 3.22; the day's volume was 192 calls and 193 puts (1.01). The most call open interest sits at the $40.00 strike (5,390 contracts) and the most put open interest at $27.50 (32,170). The at-the-money straddle for 16 October 2026, 20 days out, was priced at 8.1% of spot. For 16 October 2026, implied volatility was 40.7% at the put 5% below spot and 43.6% at the call 5% above, -2.9 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $40.00 | 5,390 |
| Puts | $27.50 | 32,170 |
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 BIRK, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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