Live Trump raises rate on China to 125%, pauses 'reciprocal' tariffs on other countries OTC Markets OTCQB - Delayed Quote • USD Chakana Copper Corp. (CHKKF) Follow Compare 0.0659 +0.0554 +(527.62%) As of April 7 at 3:58:09 PM EDT. Market Open. Sustainability data is currently not available for CHKKF.