{"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/PSIL","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/PSIL.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/PSIL.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":"PSIL","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":21.850000381469727,"previous_close":22.006999969482422,"delta_neutral":16.567106175095226,"gamma_neutral":21.850000381469727,"gamma_max":21.87210844942953,"total_open_interest":984,"previous_open_interest":983,"listed_contracts":30,"listed_calls":27,"listed_puts":6,"gamma_max_distance_pct":0.1011810872944039,"delta_neutral_distance_pct":-24.178005099051397,"gamma_neutral_distance_pct":0,"open_interest_change_1d_pct":0.10172939979654119,"call_open_interest":944,"put_open_interest":40,"put_call_open_interest_ratio":0.0423728813559322,"nearest_expiration_max_pain":19,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-13.043479779005947,"all_expiration_max_pain":20,"net_gamma_exposure":213286.22837943153,"net_gamma_exposure_per_100k_open_interest":21675429.713356864,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":22,"call_wall_distance_pct":0.6864970979931113,"put_wall":20,"put_wall_distance_pct":-8.466820820006262,"gamma_max_cross_direction":"below","delta_neutral_cross_direction":null,"open_interest_rank":3699},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.8333,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"PSIL","price":21.85,"totalOi":984,"analysisCoverage":0.8333,"avgIvPct":59.5,"ivRank":38.6,"iv52wHighPct":91.33,"iv52wLowPct":39.5,"frontDte":14,"frontAtmIvPct":37.4782,"backAtmIvPct":33.4856,"termPremiumPp":3.9926,"expectedMoveFrontPct":7.34,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":null,"riskReversal30dPp":null,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.042,"putCallOiFrontRatio":0.038,"putCallVolumeFrontRatio":0,"optionVolume":42,"volumeOiRatio":0.042683,"netDeltaNormalized":0.365203,"dealerDeltaNormalized":-0.365203,"gexPer100kOi":5784645.325203,"vannaPer100kOi":3760.162602,"charmPer100kOi":-1342378.04878,"weekendDeltaShiftPer100kOi":-4027235.772358,"ivSurfaceRangePp":42.8,"gammaFlipDistancePct":-37.71167,"maxPainDistancePct":-8.466819,"peakCallDistancePct":0.686499,"peakPutDistancePct":null},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/PSIL.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."}