{"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/HSDT","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/HSDT.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/HSDT.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":"HSDT","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":2.630000114440918,"previous_close":2.619999885559082,"delta_neutral":null,"gamma_neutral":null,"gamma_max":null,"total_open_interest":6230,"previous_open_interest":6218,"listed_contracts":19,"listed_calls":20,"listed_puts":10,"gamma_max_distance_pct":null,"delta_neutral_distance_pct":null,"gamma_neutral_distance_pct":null,"open_interest_change_1d_pct":0.1929880990672242,"call_open_interest":6060,"put_open_interest":170,"put_call_open_interest_ratio":0.028052805280528052,"nearest_expiration_max_pain":2,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-23.95437593259735,"all_expiration_max_pain":2,"net_gamma_exposure":216919.00247355015,"net_gamma_exposure_per_100k_open_interest":3481845.9466059417,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":4,"call_wall_distance_pct":52.0912481348053,"put_wall":3,"put_wall_distance_pct":14.068436101103979,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2426},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.7222,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"HSDT","price":2.63,"totalOi":6230,"analysisCoverage":0.7222,"avgIvPct":375.3,"ivRank":80.7,"iv52wHighPct":414.5,"iv52wLowPct":211.5,"frontDte":null,"frontAtmIvPct":null,"backAtmIvPct":null,"termPremiumPp":null,"expectedMoveFrontPct":null,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":null,"riskReversal30dPp":null,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.028,"putCallOiFrontRatio":0.041,"putCallVolumeFrontRatio":0.833,"optionVolume":11,"volumeOiRatio":0.001766,"netDeltaNormalized":0.583272,"dealerDeltaNormalized":-0.580931,"gexPer100kOi":102057.463884,"vannaPer100kOi":-2455.858748,"charmPer100kOi":-2381781.701445,"weekendDeltaShiftPer100kOi":-7145345.104334,"ivSurfaceRangePp":158.3,"gammaFlipDistancePct":null,"maxPainDistancePct":-23.954373,"peakCallDistancePct":14.068441,"peakPutDistancePct":14.068441},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/HSDT.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."}