{"schema_version":1,"publisher":"Half on a Double","data_through":"2026-10-05","frequency":"end-of-day","methodology":"market-implied-carry-v1","generation":"market-implied-carry-analytics-20260917T000000Z","canonical_url":"https://halfonadouble.com/stock/HELX","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/HELX.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/HELX.json?date=2026-10-05&public_schema=2","definitions_url":"https://halfonadouble.com/methodology.md","license_url":"https://halfonadouble.com/terms.md","disclaimer_url":"https://halfonadouble.com/disclaimer.md","symbol":"HELX","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":45.1952018737793,"previous_close":43.790000915527344,"delta_neutral":null,"gamma_neutral":null,"gamma_max":null,"total_open_interest":17,"previous_open_interest":17,"listed_contracts":10,"listed_calls":4,"listed_puts":7,"gamma_max_distance_pct":null,"delta_neutral_distance_pct":null,"gamma_neutral_distance_pct":null,"open_interest_change_1d_pct":0,"call_open_interest":5,"put_open_interest":12,"put_call_open_interest_ratio":2.4,"nearest_expiration_max_pain":41,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-9.28240543209789,"all_expiration_max_pain":35,"net_gamma_exposure":241.86952651694395,"net_gamma_exposure_per_100k_open_interest":1422761.9206879055,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":44,"call_wall_distance_pct":-2.64453265883676,"put_wall":41,"put_wall_distance_pct":-9.28240543209789,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":5249},"history_summary":null,"advanced_options":{"data_through":"2026-10-05","analysis_coverage":0.6111,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":45.2,"totalOi":17,"analysisCoverage":0.6111,"avgIvPct":72.1,"ivRank":6.8,"iv52wHighPct":163.42,"iv52wLowPct":65.4,"frontDte":46,"termPremiumPp":0,"riskReversalFrontPp":null,"riskReversal30dPp":null,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":2.4,"putCallOiFrontRatio":0,"putCallVolumeFrontRatio":0,"optionVolume":0,"volumeOiRatio":0,"netDeltaNormalized":0.039333,"dealerDeltaNormalized":-0.034706,"gexPer100kOi":1094588.235294,"vannaPer100kOi":0,"charmPer100kOi":0,"weekendDeltaShiftPer100kOi":0,"ivSurfaceRangePp":null,"gammaFlipDistancePct":-2.433628,"maxPainDistancePct":-22.566372,"peakCallDistancePct":null,"peakPutDistancePct":null},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/HELX.json?date=2026-10-05&public_schema=2","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."}