Ecopetrol S.A. (EC) Options Chain
NYSE: ECEnergyOil & Gas ProductionUSD
Market open · Delayed 15 min · as of Oct 9, 3:31 PM ET
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $17.01
- Put/call ratio (OI)
- 0.14
- Put/call ratio (volume)
- 3.15
- Expected move
- ±$0.9362
- Open interest (C / P)
- 4.02K / 582
EC options summary
The EC options chain for the October 16, 2026 expiration lists 11 call and 6 put contracts, with 7 days until expiration. Open interest stands at 4,023 calls and 582 puts, a put/call ratio of 0.14, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $17.00 strike is 39.7%, which implies the market expects a move of about ±$0.9362 (5.5%) in Ecopetrol S.A. stock by expiration.
The most open interest sits at the $19.00 call (1.50K contracts) and the $17.00 put (230 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
EC options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 3.50 | 3.40 | 4.60 | 13.00 | — | — | — | |||||
| 3.60 | 2.40 | 3.80 | 14.00 | 0.00 | 0.10 | 0.08 | |||||
| 1.33 | 1.60 | 2.35 | 15.00 | 0.00 | 0.10 | 0.01 | |||||
| 1.13 | 0.55 | 1.30 | 16.00 | 0.00 | 0.30 | 0.05 | |||||
| 0.36 | 0.25 | 0.40 | 17.00 | 0.20 | 0.40 | 0.32 | |||||
| 0.10 | 0.05 | 0.15 | 18.00 | 0.75 | 1.70 | 1.55 | |||||
| 0.07 | 0.00 | 0.10 | 19.00 | 1.70 | 2.65 | 2.17 | |||||
| 0.05 | 0.00 | 0.05 | 20.00 | — | — | — | |||||
| 0.07 | 0.00 | 0.75 | 21.00 | — | — | — | |||||
| 0.25 | 0.00 | 0.75 | 22.00 | — | — | — | |||||
| 0.05 | 0.00 | 0.05 | 25.00 | — | — | — | |||||
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 EC put/call ratio?
For the October 16, 2026 expiration, the EC put/call ratio based on open interest is 0.14 (582 puts vs 4,023 calls), and 3.15 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 October 16, 2026 is about 39.7%, 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.