{"schema_version":1,"publisher":"Half on a Double","data_through":"2026-10-02","frequency":"end-of-day","methodology":"market-implied-carry-v1","generation":"market-implied-carry-analytics-20260917T000000Z","canonical_url":"https://halfonadouble.com/stock/GPRK","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/GPRK.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/GPRK.json?date=2026-10-02","definitions_url":"https://halfonadouble.com/methodology.md","license_url":"https://halfonadouble.com/terms.md","disclaimer_url":"https://halfonadouble.com/disclaimer.md","symbol":"GPRK","page_tier":"B","units":{"prices":"USD per share","open_interest":"option contracts","gamma_exposure":"modeled dollar-delta change per USD 1 underlying move","gamma_exposure_normalized":"modeled gamma exposure per 100,000 open option contracts","distances":"percent of close","forward_outcomes":"close-to-close percent return"},"snapshot":{"close":10.850000381469727,"previous_close":10.40999984741211,"delta_neutral":9.785658163867657,"gamma_neutral":10.850000381469727,"gamma_max":12.514116648617096,"total_open_interest":3155,"previous_open_interest":3141,"listed_contracts":21,"listed_calls":21,"listed_puts":9,"gamma_max_distance_pct":15.337476577322942,"delta_neutral_distance_pct":-9.809605347293962,"gamma_neutral_distance_pct":0,"open_interest_change_1d_pct":0.44571792422795287,"call_open_interest":2296,"put_open_interest":859,"put_call_open_interest_ratio":0.3741289198606272,"nearest_expiration_max_pain":10,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-7.834104622903125,"all_expiration_max_pain":10,"net_gamma_exposure":110083.00616696166,"net_gamma_exposure_per_100k_open_interest":3489160.2588577387,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":12.5,"call_wall_distance_pct":15.207369221371096,"put_wall":10,"put_wall_distance_pct":-7.834104622903125,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2888},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.8333,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"GPRK","price":10.85,"totalOi":3155,"analysisCoverage":0.8333,"avgIvPct":106.3,"ivRank":98.8,"iv52wHighPct":106.96,"iv52wLowPct":52.4,"frontDte":null,"frontAtmIvPct":null,"backAtmIvPct":null,"termPremiumPp":null,"expectedMoveFrontPct":null,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":-85.77,"riskReversal30dPp":-85.77,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.374,"putCallOiFrontRatio":0.153,"putCallVolumeFrontRatio":0,"optionVolume":751,"volumeOiRatio":0.238035,"netDeltaNormalized":0.166689,"dealerDeltaNormalized":-0.160983,"gexPer100kOi":365202.852615,"vannaPer100kOi":3137.876387,"charmPer100kOi":-51632.329635,"weekendDeltaShiftPer100kOi":-154928.684628,"ivSurfaceRangePp":15.3,"gammaFlipDistancePct":7.373272,"maxPainDistancePct":-7.834101,"peakCallDistancePct":15.207373,"peakPutDistancePct":null},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/GPRK.json?date=2026-10-02","interpretation":"Catalyst intensity ranks unusual option pricing and activity; it does not identify the event, predict direction or recommend a trade. Directional score summarizes relative positioning under documented model conventions."},"gamma_max_cross_outcomes":[],"missing_value_semantics":"null means unavailable; it never means zero","interpretation":"These are descriptive end-of-day model outputs. Signed GEX uses the published call-positive, put-negative convention and is not observed dealer inventory. None of the fields are live prices, predictions or investment advice."}