Diamondback Energy, Inc. options tape

Name: Diamondback Energy, Inc. (FANG) options tape: open interest, put/call, the priced move and the day's positioning
Creator: GreekSoup
License: https://creativecommons.org/licenses/by/4.0/

Read from CBOE's delayed chain on 23 September 2026, with Diamondback Energy, Inc. at $186.31: open interest within 90 days was 10,877 call and 7,519 put contracts, a put/call ratio of 0.69; the day's volume was 243 calls and 115 puts (0.47). The most call open interest sits at the $220.00 strike (2,318 contracts) and the most put open interest at $155.00 (1,062). The at-the-money straddle for 16 October 2026, 23 days out, was priced at 7.2% of spot. For 16 October 2026, implied volatility was 34.6% at the put 5% below spot and 35.9% at the call 5% above, -1.2 points.

Spot$186.31-1.56% on the day

Put/call, open interest0.697,519 puts, 10,877 calls

Put/call, volume0.47115 puts, 243 calls

Priced move7.2%straddle to 16 October 2026, 23 days

30-day implied volatility35.2%

Put minus call IV, 5% out-1.2 ptsto 16 October 2026

Where the open interest sits

Side	Strike	Open interest
Calls	$220.00	2,318
Puts	$155.00	1,062

The strike with the most open interest on each side, across expiries within 90 days.

Open interest built since 22 September 2026

Contract	Open interest now	Change
16 October 2026 put at $180.00	831	+503

Contracts whose open interest rose by 250 or more against the previous day's snapshot.

Source

CBOE delayed quotes for FANG, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.

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