Unlock stock picks and a broker-level newsfeed that powers Wall Street. Upgrade Now OTC Markets OTCPK - Delayed Quote • USD Gatekeeper Systems Inc. (GKPRF) Follow Compare 0.3160 +0.0060 +(1.94%) At close: April 4 at 4:00:00 PM EDT Conversations Community Insights Related Tickers NL NL Industries, Inc. 7.26 -1.76% ZDC.V Zedcor Inc. 2.7700 -3.48% EVLV Evolv Technologies Holdings, Inc. 2.8500 -4.04% NSSC Napco Security Technologies, Inc. 20.28 -4.16%