Ecopetrol S.A. (EC) Options Chain

NYSE: ECEnergyOil & Gas ProductionUSD

16.940.00 (0.00%)

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

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 41
Share price: $16.94
Put/call ratio (OI): 0.70
Put/call ratio (volume): 0.28
ATM implied volatility: 49.6%
Expected move: ±$2.82
Open interest (C / P): 4.32K / 3.02K

EC options summary

The EC options chain for the November 20, 2026 expiration lists 19 call and 19 put contracts, with 41 days until expiration. Open interest stands at 4,323 calls and 3,020 puts, a put/call ratio of 0.70, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $17.00 strike is 49.6%, which implies the market expects a move of about ±$2.82 (16.6%) in Ecopetrol S.A. stock by expiration.

The most open interest sits at the $15.00 call (1.06K contracts) and the $17.00 put (860 contracts).

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

EC options chain · November 20, 2026

EC 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
29	15	208.8%	12.10	8.80	11.80	7.00	—	—	—	—	—	—
0	2	282.8%	8.70	7.50	10.20	8.00	0.00	0.00	0.08	50.0%	8	0
1	2	169.9%	4.10	5.80	8.40	9.00	0.00	1.55	0.29	203.3%	1	122
11	1	109.4%	7.05	6.30	7.90	10.00	0.00	0.10	0.05	85.9%	5	465
0	2	—	7.14	0.00	0.00	11.00	0.00	1.75	0.45	161.7%	1	10
142	2	107.5%	6.04	4.40	5.40	12.00	0.00	0.75	0.13	100.2%	1	4
161	1	63.3%	3.72	3.50	4.70	13.00	0.00	0.75	0.15	83.0%	1	56
411	26	65.6%	3.22	2.70	3.90	14.00	0.05	1.00	0.25	76.8%	1	33
1,062	2	64.2%	2.70	1.90	2.55	15.00	0.10	0.55	0.20	60.8%	10	272
277	37	62.8%	1.72	1.15	1.90	16.00	0.35	0.60	0.40	45.5%	40	562
EC $16.94
474	1	56.5%	0.88	0.50	1.25	17.00	0.75	1.00	0.75	42.8%	3	860
630	1	44.8%	0.60	0.40	0.60	18.00	1.10	1.85	1.85	53.6%	1	595
672	400	47.9%	0.30	0.10	0.40	19.00	1.80	2.55	2.42	52.6%	1	14
131	13	55.7%	0.20	0.00	0.70	20.00	0.00	0.00	5.64	—	2	0
163	3	54.3%	0.11	0.00	0.40	21.00	0.00	0.00	7.30	—	68	0
10	1	75.2%	0.25	0.00	0.75	22.00	0.00	0.00	8.30	—	2	0
108	1	67.0%	0.17	0.00	0.35	23.00	0.00	0.00	5.70	—	8	0
38	50	90.2%	0.13	0.00	0.75	24.00	—	—	—	—	—	—
—	—	—	—	—	—	25.00	5.70	9.80	10.68	172.7%	2	26
3	10	103.4%	0.07	0.00	0.75	26.00	8.40	12.00	10.58	150.3%	—	1
—	—	—	—	—	—	32.00	12.70	16.80	17.74	218.5%	2	0

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 EC put/call ratio?

For the November 20, 2026 expiration, the EC put/call ratio based on open interest is 0.70 (3,020 puts vs 4,323 calls), and 0.28 based on today's volume. A ratio above 1 means more puts than calls.

What is EC's implied volatility?

At-the-money implied volatility for EC options expiring November 20, 2026 is about 49.6%, an annualized estimate of how much the market expects Ecopetrol S.A. stock to move.

How many EC option expiration dates are there?

EC has 6 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

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.