EC · Ecopetrol S.A.

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$16.41 +0.58 (+3.66%) At close · Jul 29

Market Cap

$32.54B

2.06B

Options Chain

15-min delayed Underlying $16.41 · today Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 64 contracts

Put / call OI

0.14

Call-heavy positioning

Open interest

65,572

contracts outstanding

Volume

2,282

traded today

Max pain

$13.00

$3.41 below spot

ATM implied vol

45.5%

market's expected move

Open interest by strike · near the money

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Nov 20 113d Feb 19 204d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
3	2	902%	0.99	$15.20		—	—	—	—	0
Call · $1 In the money Last $15.20 Breakeven $16.20 Implied vol 902% Delta 0.99 ≈99% ITM Gamma 0.001 Theta -0.019 Vega 0.001 Open interest 3 Model this call Put · $1 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	2	714.9%	0.98	$14.78		—	—	—	—	0
Call · $2 In the money Last $14.78 Breakeven $16.78 Implied vol 714.9% Delta 0.98 ≈98% ITM Gamma 0.002 Theta -0.029 Vega 0.002 Open interest 1 Model this call Put · $2 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	2	479.2%	0.978	$13.78		$0.10	—	—	2	3
Call · $3 In the money Last $13.78 Breakeven $16.78 Implied vol 479.2% Delta 0.978 ≈98% ITM Gamma 0.003 Theta -0.021 Vega 0.003 Open interest 0 Model this call Put · $3 Last $0.10 Breakeven $2.90 Implied vol — Delta — Gamma — Theta — Vega — Open interest 3 Model this put
3	3	325.6%	0.984	$10.28		$0.05	—	—	2	1
Call · $4 In the money Last $10.28 Breakeven $14.28 Implied vol 325.6% Delta 0.984 ≈98% ITM Gamma 0.003 Theta -0.011 Vega 0.002 Open interest 3 Model this call Put · $4 Last $0.05 Breakeven $3.95 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
2	2	322.6%	0.97	$9.29		$0.03	—	—	5	5
Call · $5 In the money Last $9.29 Breakeven $14.29 Implied vol 322.6% Delta 0.97 ≈97% ITM Gamma 0.005 Theta -0.019 Vega 0.002 Open interest 2 Model this call Put · $5 Last $0.03 Breakeven $4.97 Implied vol — Delta — Gamma — Theta — Vega — Open interest 5 Model this put
3	3	337.8%	0.945	$8.30		$0.05	—	—	4	8
Call · $6 In the money Last $8.30 Breakeven $14.30 Implied vol 337.8% Delta 0.945 ≈95% ITM Gamma 0.008 Theta -0.032 Vega 0.004 Open interest 3 Model this call Put · $6 Last $0.05 Breakeven $5.95 Implied vol — Delta — Gamma — Theta — Vega — Open interest 8 Model this put
2	1	220.9%	0.965	$7.48		$0.10	—	—	1	3
Call · $7 In the money Last $7.48 Breakeven $14.48 Implied vol 220.9% Delta 0.965 ≈97% ITM Gamma 0.009 Theta -0.014 Vega 0.003 Open interest 2 Model this call Put · $7 Last $0.10 Breakeven $6.90 Implied vol — Delta — Gamma — Theta — Vega — Open interest 3 Model this put
28	3	254.5%	0.925	$6.31		$0.10	—	—	10	237
Call · $8 In the money Last $6.31 Breakeven $14.31 Implied vol 254.5% Delta 0.925 ≈93% ITM Gamma 0.014 Theta -0.032 Vega 0.005 Open interest 28 Model this call Put · $8 Last $0.10 Breakeven $7.90 Implied vol — Delta — Gamma — Theta — Vega — Open interest 237 Model this put
21	5	226.4%	0.909	$5.10		$0.10	-0.041	155.5%	1	339
Call · $9 In the money Last $5.10 Breakeven $14.10 Implied vol 226.4% Delta 0.909 ≈91% ITM Gamma 0.018 Theta -0.033 Vega 0.008 Open interest 21 Model this call Put · $9 Last $0.10 Breakeven $8.90 Implied vol 155.5% Delta -0.041 ≈4% ITM Gamma 0.014 Theta -0.012 Vega 0.003 Open interest 339 Model this put
280	1	109.4%	0.974	$6.30		$0.05	-0.094	181.3%	2	495
Call · $10 In the money Last $6.30 Breakeven $16.30 Implied vol 109.4% Delta 0.974 ≈97% ITM Gamma 0.014 Theta -0.005 Vega 0.003 Open interest 280 Model this call Put · $10 Last $0.05 Breakeven $9.95 Implied vol 181.3% Delta -0.094 ≈9% ITM Gamma 0.023 Theta -0.028 Vega 0.008 Open interest 495 Model this put
226	102	—	—	$5.51		$0.15	-0.05	105.3%	100	683
Call · $11 In the money Last $5.51 Breakeven $16.51 Implied vol — Delta — Gamma — Theta — Vega — Open interest 226 Model this call Put · $11 Last $0.15 Breakeven $10.85 Implied vol 105.3% Delta -0.05 ≈5% ITM Gamma 0.024 Theta -0.01 Vega 0.003 Open interest 683 Model this put
889	2	93.6%	0.923	$4.49		$0.16	-0.06	85.8%	1	498
Call · $12 In the money Last $4.49 Breakeven $16.49 Implied vol 93.6% Delta 0.923 ≈92% ITM Gamma 0.038 Theta -0.012 Vega 0.006 Open interest 889 Model this call Put · $12 Last $0.16 Breakeven $11.84 Implied vol 85.8% Delta -0.06 ≈6% ITM Gamma 0.034 Theta -0.009 Vega 0.006 Open interest 498 Model this put
6k	10	87.5%	0.874	$3.00		$0.10	-0.186	124.3%	2	728
Call · $13 In the money Last $3.00 Breakeven $16.00 Implied vol 87.5% Delta 0.874 ≈87% ITM Gamma 0.058 Theta -0.016 Vega 0.01 Open interest 6k Model this call Put · $13 Last $0.10 Breakeven $12.90 Implied vol 124.3% Delta -0.186 ≈19% ITM Gamma 0.054 Theta -0.03 Vega 0.012 Open interest 728 Model this put
2k	5	66.2%	0.841	$2.50		$0.13	-0.111	53.3%	2	1.5k
Call · $14 In the money Last $2.50 Breakeven $16.50 Implied vol 66.2% Delta 0.841 ≈84% ITM Gamma 0.09 Theta -0.014 Vega 0.01 Open interest 2k Model this call Put · $14 Last $0.13 Breakeven $13.87 Implied vol 53.3% Delta -0.111 ≈11% ITM Gamma 0.088 Theta -0.009 Vega 0.007 Open interest 1.5k Model this put
17.9k	9	—	—	$1.80		$0.30	-0.252	55.9%	93	1.3k
Call · $15 In the money Last $1.80 Breakeven $16.80 Implied vol — Delta — Gamma — Theta — Vega — Open interest 17.9k Model this call Put · $15 Last $0.30 Breakeven $14.70 Implied vol 55.9% Delta -0.252 ≈25% ITM Gamma 0.141 Theta -0.016 Vega 0.014 Open interest 1.3k Model this put
4.3k	507	51.6%	0.583	$1.00		$0.65	-0.404	39.5%	39	737
Call · $16 In the money Last $1.00 Breakeven $17.00 Implied vol 51.6% Delta 0.583 ≈58% ITM Gamma 0.186 Theta -0.018 Vega 0.016 Open interest 4.3k Model this call Put · $16 Last $0.65 Breakeven $15.35 Implied vol 39.5% Delta -0.404 ≈40% ITM Gamma 0.242 Theta -0.014 Vega 0.016 Open interest 737 Model this put
Underlying $16.41
3.4k	400	46.8%	0.381	$0.55		$1.05	-0.655	37.1%	23	631
Call · $17 Last $0.55 Breakeven $17.55 Implied vol 46.8% Delta 0.381 ≈38% ITM Gamma 0.204 Theta -0.016 Vega 0.016 Open interest 3.4k Model this call Put · $17 In the money Last $1.05 Breakeven $15.95 Implied vol 37.1% Delta -0.655 ≈65% ITM Gamma 0.245 Theta -0.012 Vega 0.014 Open interest 631 Model this put
15.9k	45	53.4%	0.247	$0.30		$4.60	-0.817	41%	100	100
Call · $18 Last $0.30 Breakeven $18.30 Implied vol 53.4% Delta 0.247 ≈25% ITM Gamma 0.148 Theta -0.015 Vega 0.011 Open interest 15.9k Model this call Put · $18 In the money Last $4.60 Breakeven $13.40 Implied vol 41% Delta -0.817 ≈82% ITM Gamma 0.158 Theta -0.01 Vega 0.011 Open interest 100 Model this put
1k	250	50.7%	0.126	$0.10		$4.60	-0.672	105%	36	148
Call · $19 Last $0.10 Breakeven $19.10 Implied vol 50.7% Delta 0.126 ≈13% ITM Gamma 0.101 Theta -0.009 Vega 0.008 Open interest 1k Model this call Put · $19 In the money Last $4.60 Breakeven $14.40 Implied vol 105% Delta -0.672 ≈67% ITM Gamma 0.085 Theta -0.034 Vega 0.015 Open interest 148 Model this put
4.6k	502	55.6%	0.077	$0.05		$4.30	—	—	1	657
Call · $20 Last $0.05 Breakeven $20.05 Implied vol 55.6% Delta 0.077 ≈8% ITM Gamma 0.065 Theta -0.007 Vega 0.005 Open interest 4.6k Model this call Put · $20 In the money Last $4.30 Breakeven $15.70 Implied vol — Delta — Gamma — Theta — Vega — Open interest 657 Model this put
1	1	101.7%	0.193	$0.15		—	-0.736	127.7%	—	0
Call · $21 Last $0.15 Breakeven $21.15 Implied vol 101.7% Delta 0.193 ≈19% ITM Gamma 0.066 Theta -0.025 Vega 0.012 Open interest 1 Model this call Put · $21 In the money Last — Breakeven — Implied vol 127.7% Delta -0.736 ≈74% ITM Gamma 0.063 Theta -0.037 Vega 0.012 Open interest 0 Model this put
801	1	117.7%	0.191	$0.05		—	-0.761	135.2%	—	0
Call · $22 Last $0.05 Breakeven $22.05 Implied vol 117.7% Delta 0.191 ≈19% ITM Gamma 0.057 Theta -0.029 Vega 0.012 Open interest 801 Model this call Put · $22 In the money Last — Breakeven — Implied vol 135.2% Delta -0.761 ≈76% ITM Gamma 0.056 Theta -0.037 Vega 0.012 Open interest 0 Model this put
0	—	127.1%	0.174	—		—	-0.783	142.3%	—	0
Call · $23 Last — Breakeven — Implied vol 127.1% Delta 0.174 ≈17% ITM Gamma 0.05 Theta -0.03 Vega 0.013 Open interest 0 Model this call Put · $23 In the money Last — Breakeven — Implied vol 142.3% Delta -0.783 ≈78% ITM Gamma 0.051 Theta -0.037 Vega 0.013 Open interest 0 Model this put
0	—	136.7%	0.165	—		—	-0.793	153.1%	—	0
Call · $24 Last — Breakeven — Implied vol 136.7% Delta 0.165 ≈17% ITM Gamma 0.045 Theta -0.031 Vega 0.009 Open interest 0 Model this call Put · $24 In the money Last — Breakeven — Implied vol 153.1% Delta -0.793 ≈79% ITM Gamma 0.046 Theta -0.039 Vega 0.013 Open interest 0 Model this put
0	—	145%	0.158	—		—	-0.801	163.4%	—	0
Call · $25 Last — Breakeven — Implied vol 145% Delta 0.158 ≈16% ITM Gamma 0.041 Theta -0.031 Vega 0.009 Open interest 0 Model this call Put · $25 In the money Last — Breakeven — Implied vol 163.4% Delta -0.801 ≈80% ITM Gamma 0.042 Theta -0.04 Vega 0.013 Open interest 0 Model this put
0	—	—	—	—		—	-0.808	173.4%	—	0
Call · $26 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $26 In the money Last — Breakeven — Implied vol 173.4% Delta -0.808 ≈81% ITM Gamma 0.039 Theta -0.042 Vega 0.013 Open interest 0 Model this put
0	—	—	—	—		—	-0.813	182.7%	—	0
Call · $27 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $27 In the money Last — Breakeven — Implied vol 182.7% Delta -0.813 ≈81% ITM Gamma 0.037 Theta -0.044 Vega 0.009 Open interest 0 Model this put
0	—	—	—	—		—	-0.869	162.7%	—	0
Call · $28 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $28 In the money Last — Breakeven — Implied vol 162.7% Delta -0.869 ≈87% ITM Gamma 0.032 Theta -0.03 Vega 0.009 Open interest 0 Model this put
0	—	—	—	—		—	-0.851	180.9%	—	0
Call · $29 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $29 In the money Last — Breakeven — Implied vol 180.9% Delta -0.851 ≈85% ITM Gamma 0.031 Theta -0.036 Vega 0.009 Open interest 0 Model this put
0	—	—	—	—		—	-0.827	203.8%	—	0
Call · $30 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $30 In the money Last — Breakeven — Implied vol 203.8% Delta -0.827 ≈83% ITM Gamma 0.031 Theta -0.046 Vega 0.009 Open interest 0 Model this put
0	—	—	—	—		—	-0.858	194.8%	—	0
Call · $31 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $31 In the money Last — Breakeven — Implied vol 194.8% Delta -0.858 ≈86% ITM Gamma 0.028 Theta -0.038 Vega 0.01 Open interest 0 Model this put
0	—	—	—	—		—	-0.931	160.7%	—	0
Call · $32 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $32 In the money Last — Breakeven — Implied vol 160.7% Delta -0.931 ≈93% ITM Gamma 0.021 Theta -0.018 Vega 0.006 Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. The 25 strikes around the money are shown by default — switch to "All 32" for the wings. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1444406 CUSIP 279158109 13F (30d) 28 filings 28 filers Visit website