OTC Markets EXMKT - Delayed Quote • USD GulfSlope Energy, Inc (GSPE) Follow Add holdings 0.0001 +0.0001 (0.00%) At close: May 16 at 4:00:00 PM EDT Conversations Community Insights Related Tickers PRT PermRock Royalty Trust 3.9800 +3.92% CTRA Coterra Energy Inc. 24.50 -1.21% APA APA Corporation 17.32 -1.56% CNQ Canadian Natural Resources Limited 30.56 -0.46% OXY Occidental Petroleum Corporation 42.31 -1.70%