{"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/GRNT","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/GRNT.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/GRNT.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":"GRNT","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":4.46999979019165,"previous_close":4.400000095367432,"delta_neutral":null,"gamma_neutral":null,"gamma_max":null,"total_open_interest":2809,"previous_open_interest":2809,"listed_contracts":15,"listed_calls":9,"listed_puts":9,"gamma_max_distance_pct":null,"delta_neutral_distance_pct":null,"gamma_neutral_distance_pct":null,"open_interest_change_1d_pct":0,"call_open_interest":2614,"put_open_interest":195,"put_call_open_interest_ratio":0.07459831675592961,"nearest_expiration_max_pain":5,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":11.856828516442189,"all_expiration_max_pain":5,"net_gamma_exposure":144778.17356694647,"net_gamma_exposure_per_100k_open_interest":5154082.362653843,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":5,"call_wall_distance_pct":11.856828516442189,"put_wall":5,"put_wall_distance_pct":11.856828516442189,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2967},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.7778,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"GRNT","price":4.47,"totalOi":2809,"analysisCoverage":0.7778,"avgIvPct":225.9,"ivRank":61.4,"iv52wHighPct":336.3,"iv52wLowPct":50.38,"frontDte":null,"frontAtmIvPct":null,"backAtmIvPct":null,"termPremiumPp":null,"expectedMoveFrontPct":null,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":-53.96,"riskReversal30dPp":-53.96,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.075,"putCallOiFrontRatio":0.084,"putCallVolumeFrontRatio":0,"optionVolume":5,"volumeOiRatio":0.00178,"netDeltaNormalized":0.228155,"dealerDeltaNormalized":-0.22759,"gexPer100kOi":215619.437522,"vannaPer100kOi":2349.590602,"charmPer100kOi":-571199.715201,"weekendDeltaShiftPer100kOi":-1713563.545746,"ivSurfaceRangePp":121.4,"gammaFlipDistancePct":-43.847875,"maxPainDistancePct":11.856823,"peakCallDistancePct":11.856823,"peakPutDistancePct":11.856823},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/GRNT.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."}