Mon, Apr 16, 2018 12:00 – Cryptobloc Technologies Corp. (RGTZF: Grey Market) – Symbol Change – The symbol, RGTZF, is no longer a valid symbol for Cryptobloc Technologies Corp.. As of Mon, Apr 16, 2018, the new trading symbol is CRYBF. You may find a complete list of symbol changes at otcmarkets.com.
Source: OTC Markets