{"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/SPHQ","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/SPHQ.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/SPHQ.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":"SPHQ","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":84.86000061035156,"previous_close":84.91999816894531,"delta_neutral":79.36034459215116,"gamma_neutral":84.86000061035156,"gamma_max":85.82782639928818,"total_open_interest":186,"previous_open_interest":182,"listed_contracts":31,"listed_calls":21,"listed_puts":10,"gamma_max_distance_pct":1.1404970327310637,"delta_neutral_distance_pct":-6.480857858407235,"gamma_neutral_distance_pct":0,"open_interest_change_1d_pct":2.197802197802198,"call_open_interest":146,"put_open_interest":40,"put_call_open_interest_ratio":0.273972602739726,"nearest_expiration_max_pain":81,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-4.548669081532748,"all_expiration_max_pain":82,"net_gamma_exposure":63605.087578217775,"net_gamma_exposure_per_100k_open_interest":34196283.644203104,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":89,"call_wall_distance_pct":4.8786228610319196,"put_wall":81,"put_wall_distance_pct":-4.548669081532748,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":4524},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.6667,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"SPHQ","price":84.86,"totalOi":186,"analysisCoverage":0.6667,"avgIvPct":24.4,"ivRank":8.1,"iv52wHighPct":118.29,"iv52wLowPct":16.1,"frontDte":14,"frontAtmIvPct":24.1004,"backAtmIvPct":18.6956,"termPremiumPp":5.4048,"expectedMoveFrontPct":4.72,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":null,"riskReversal30dPp":null,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.274,"putCallOiFrontRatio":0.217,"putCallVolumeFrontRatio":0,"optionVolume":2,"volumeOiRatio":0.010753,"netDeltaNormalized":0.268287,"dealerDeltaNormalized":-0.261075,"gexPer100kOi":30501451.612903,"vannaPer100kOi":0,"charmPer100kOi":0,"weekendDeltaShiftPer100kOi":0,"ivSurfaceRangePp":21.5,"gammaFlipDistancePct":-11.383455,"maxPainDistancePct":-3.370257,"peakCallDistancePct":0.164978,"peakPutDistancePct":null},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/SPHQ.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."}