Ecopetrol S.A. ADR (EC) holds an SIA SMAX score of 9 out of 10 and ranks 13th out of 255 securities in the Favoured Green Zone of the SIA International ADR Report. The shares have gained 80.18% year to date, compared with 17.63% for the benchmark. Read the full report for more on Ecopetrol’s key technical support and resistance levels.