Pampa Energia S.A. (PAM) Options Chain

NYSE: PAMUtilitiesElectric Utilities: CentralUSD

80.34-0.34 (-0.42%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $80.34
Put/call ratio (OI): 1.29
Put/call ratio (volume): 13.22
ATM implied volatility: 45.4%
Expected move: ±$15.73
Open interest (C / P): 1.24K / 1.60K

PAM options summary

The PAM options chain for the December 18, 2026 expiration lists 15 call and 10 put contracts, with 68 days until expiration. Open interest stands at 1,244 calls and 1,601 puts, a put/call ratio of 1.29, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $80.00 strike is 45.4%, which implies the market expects a move of about ±$15.73 (19.6%) in Pampa Energia S.A. stock by expiration.

The most open interest sits at the $100.00 call (641 contracts) and the $60.00 put (1.12K contracts).

Summary generated from market data by MetaCap's automated system. Methodology

PAM options chain · December 18, 2026

PAM calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
1	—	230.0%	44.50	43.10	47.20	45.00	—	—	—	—	—	—
—	—	—	—	—	—	50.00	0.00	0.00	1.00	25.0%	—	0
3	—	181.7%	34.71	33.60	37.70	55.00	0.00	0.00	1.55	25.0%	400	0
26	—	122.5%	24.50	25.60	28.40	60.00	0.00	2.50	0.60	60.9%	30	1,121
3	—	52.4%	17.40	15.50	18.30	65.00	0.15	2.90	1.50	52.0%	530	259
0	—	—	18.59	0.00	0.00	70.00	1.10	1.80	2.65	42.2%	50	69
1	—	49.8%	7.10	7.30	9.70	75.00	0.95	4.50	4.51	50.9%	1	80
96	42	48.5%	5.50	4.10	6.90	80.00	3.10	5.70	4.81	42.3%	14	63
PAM $80.34
196	11	43.0%	3.20	1.95	4.10	85.00	—	—	—	—	—	—
48	2	45.9%	1.67	0.20	3.00	90.00	9.30	11.70	12.60	38.0%	3	3
172	1	45.0%	2.50	0.00	1.85	95.00	13.60	18.00	15.03	58.1%	—	1
641	10	39.7%	0.40	0.30	0.75	100.00	—	—	—	—	—	—
41	9	59.0%	1.21	0.00	1.80	105.00	20.40	22.80	27.65	—	16	5
4	3	56.3%	2.00	0.00	2.15	110.00	—	—	—	—	—	—
11	1	60.1%	2.25	0.00	1.95	115.00	—	—	—	—	—	—
1	—	82.6%	2.24	0.05	3.70	125.00	—	—	—	—	—	—

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the PAM put/call ratio?

For the December 18, 2026 expiration, the PAM put/call ratio based on open interest is 1.29 (1,601 puts vs 1,244 calls), and 13.22 based on today's volume. A ratio above 1 means more puts than calls.

What is PAM's implied volatility?

At-the-money implied volatility for PAM options expiring December 18, 2026 is about 45.4%, an annualized estimate of how much the market expects Pampa Energia S.A. stock to move.

How many PAM option expiration dates are there?

PAM has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 2027.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.