{"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/HDSN","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/HDSN.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/HDSN.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":"HDSN","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":5.230000019073486,"previous_close":5.25,"delta_neutral":4.153229498461194,"gamma_neutral":5.230000019073486,"gamma_max":5.744994904996735,"total_open_interest":4325,"previous_open_interest":4227,"listed_contracts":21,"listed_calls":27,"listed_puts":11,"gamma_max_distance_pct":9.84693850946642,"delta_neutral_distance_pct":-20.588346399337993,"gamma_neutral_distance_pct":0,"open_interest_change_1d_pct":2.318429145966406,"call_open_interest":3763,"put_open_interest":562,"put_call_open_interest_ratio":0.14934892373106565,"nearest_expiration_max_pain":5,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-4.3977058935887285,"all_expiration_max_pain":5,"net_gamma_exposure":276894.1189455788,"net_gamma_exposure_per_100k_open_interest":6402176.160591418,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":6,"call_wall_distance_pct":14.722752927693525,"put_wall":5,"put_wall_distance_pct":-4.3977058935887285,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2669},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.9444,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"HDSN","price":5.23,"totalOi":4325,"analysisCoverage":0.9444,"avgIvPct":279.2,"ivRank":91.4,"iv52wHighPct":298.9,"iv52wLowPct":68.6,"frontDte":14,"frontAtmIvPct":52.6941,"backAtmIvPct":54.1217,"termPremiumPp":-1.4276,"expectedMoveFrontPct":10.32,"straddleFrontPct":8.6,"straddle30dPct":8.6,"riskReversalFrontPp":-33.02,"riskReversal30dPp":-33.02,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.149,"putCallOiFrontRatio":1.654,"putCallVolumeFrontRatio":0,"optionVolume":59,"volumeOiRatio":0.013642,"netDeltaNormalized":0.307124,"dealerDeltaNormalized":-0.305635,"gexPer100kOi":330863.121387,"vannaPer100kOi":2936.416185,"charmPer100kOi":-16924.855491,"weekendDeltaShiftPer100kOi":-50751.445087,"ivSurfaceRangePp":101.2,"gammaFlipDistancePct":null,"maxPainDistancePct":-4.397706,"peakCallDistancePct":14.722753,"peakPutDistancePct":14.722753},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/HDSN.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."}