# Cochilco reports a 0.30% daily rise in LME copper on 20 October > The Chilean Copper Commission's daily bulletin put spot Grade A copper on the LME at 659.523 US cents per pound, up 0.30% from the previous day. - Canonical URL: https://newsverum.com/en/news/cochilco-reports-lme-copper-price-up-0-30-percent-on-october-20-2026 - Publisher: Newsverum - Section: Finance - Country: Chile - Published: 2026-10-21T00:44:00+00:00 - Updated: 2026-10-21T00:44:00+00:00 - Event / data period: 2026-10-20 - Other editions: [Türkçe](https://newsverum.com/tr/news/cochilco-reports-lme-copper-price-up-0-30-percent-on-october-20-2026.md), [العربية](https://newsverum.com/ar/news/cochilco-reports-lme-copper-price-up-0-30-percent-on-october-20-2026.md), [Français](https://newsverum.com/fr/news/cochilco-reports-lme-copper-price-up-0-30-percent-on-october-20-2026.md), [Español](https://newsverum.com/es/news/cochilco-reports-lme-copper-price-up-0-30-percent-on-october-20-2026.md), [Deutsch](https://newsverum.com/de/news/cochilco-reports-lme-copper-price-up-0-30-percent-on-october-20-2026.md), [Português](https://newsverum.com/pt/news/cochilco-reports-lme-copper-price-up-0-30-percent-on-october-20-2026.md) Cochilco's 20 October Rueda bulletin recorded the London Metal Exchange spot price for Grade A copper at 659.523 US cents per pound, a 0.30% increase from the previous day. The bulletin also reported that LME opening stocks rose from 232,175 metric tonnes on 19 October to 233,800 tonnes on 20 October. These are daily market and inventory readings in the bulletin, not a measure of Chilean mine output. ## Data ### Daily changes in price and stocks LME copper indicators in Cochilco bulletin for 20 October 2026. Methodology: The bulletin’s reported percentage change from the previous day is transcribed directly; it applies to the LME spot copper price only. | Measure | Change (%) | |---|---| | LME Grade A copper spot price, day-on-day | 0.3 | Sources: · Download data: [JSON](https://newsverum.com/api/v1/articles/cochilco-reports-lme-copper-price-up-0-30-percent-on-october-20-2026/data/lme-copper-daily-change?lang=en&format=json) · [CSV](https://newsverum.com/api/v1/articles/cochilco-reports-lme-copper-price-up-0-30-percent-on-october-20-2026/data/lme-copper-daily-change?lang=en&format=csv) ## Sources - [Comisión Chilena del Cobre (Cochilco)]() (Source checked: 2026-10-21; Published: 2026-10-20) --- Cite the canonical URL above. [Editorial standards and corrections](https://newsverum.com/en/editorial)