{"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/GRNY","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/GRNY.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/GRNY.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":"GRNY","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":28.31999969482422,"previous_close":28.030000686645508,"delta_neutral":20.261569528848014,"gamma_neutral":9.460753792982153,"gamma_max":28.911807446158175,"total_open_interest":16789,"previous_open_interest":16732,"listed_contracts":112,"listed_calls":80,"listed_puts":53,"gamma_max_distance_pct":2.0897166585849765,"delta_neutral_distance_pct":-28.45490908479412,"gamma_neutral_distance_pct":-66.59338313936773,"open_interest_change_1d_pct":0.34066459478842936,"call_open_interest":15606,"put_open_interest":1183,"put_call_open_interest_ratio":0.07580417788030244,"nearest_expiration_max_pain":28,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-1.1299424374029994,"all_expiration_max_pain":22,"net_gamma_exposure":3183331.193751895,"net_gamma_exposure_per_100k_open_interest":18960814.782011405,"gamma_exposure_flip":9.460753792982153,"gamma_exposure_flip_distance_pct":-66.59338313936773,"call_wall":31,"call_wall_distance_pct":9.463278015732394,"put_wall":28,"put_wall_distance_pct":-1.1299424374029994,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1704},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"GRNY","price":28.32,"totalOi":16789,"analysisCoverage":1,"avgIvPct":39.6,"ivRank":21.9,"iv52wHighPct":73.4,"iv52wLowPct":30.1,"frontDte":14,"frontAtmIvPct":22.0069,"backAtmIvPct":21.2338,"termPremiumPp":0.7731,"expectedMoveFrontPct":4.31,"straddleFrontPct":2.91,"straddle30dPct":2.91,"riskReversalFrontPp":59.58,"riskReversal30dPp":59.58,"butterflyFrontPp":-3.21,"butterfly30dPp":-3.21,"putCallOiRatio":0.076,"putCallOiFrontRatio":1.024,"putCallVolumeFrontRatio":0.071,"optionVolume":43,"volumeOiRatio":0.002561,"netDeltaNormalized":0.482495,"dealerDeltaNormalized":-0.481864,"gexPer100kOi":5641459.467508,"vannaPer100kOi":-804.097921,"charmPer100kOi":-11078.682471,"weekendDeltaShiftPer100kOi":-33236.047412,"ivSurfaceRangePp":80.1,"gammaFlipDistancePct":null,"maxPainDistancePct":-22.316384,"peakCallDistancePct":-4.661017,"peakPutDistancePct":-1.129944},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/GRNY.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."}