Eni S.p.A. options tape
Read from CBOE's delayed chain on 26 September 2026, with Eni S.p.A. at $54.71: open interest within 90 days was 488 call and 1,859 put contracts, a put/call ratio of 3.81; the day's volume was 43 calls and 0 puts (0.0). The most call open interest sits at the $55.00 strike (233 contracts) and the most put open interest at $42.50 (705). The at-the-money straddle for 16 October 2026, 20 days out, was priced at 5.7% of spot. For 16 October 2026, implied volatility was 45.6% at the put 5% below spot and 25.2% at the call 5% above, +20.4 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $55.00 | 233 |
| Puts | $42.50 | 705 |
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 E, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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