{"schema_version":1,"publisher":"Half on a Double","data_through":"2026-10-16","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=2026-10-16&public_schema=4","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":19.899999618530273,"previous_close":20.540000915527344,"delta_neutral":15.464152688864829,"gamma_neutral":19.899999618530273,"gamma_max":24.038787538377573,"total_open_interest":462,"previous_open_interest":1002,"listed_contracts":24,"listed_calls":20,"listed_puts":5,"gamma_max_distance_pct":20.797929644146254,"delta_neutral_distance_pct":-22.29068851606871,"gamma_neutral_distance_pct":0,"open_interest_change_1d_pct":-53.89221556886228,"call_open_interest":436,"put_open_interest":26,"put_call_open_interest_ratio":0.05963302752293578,"nearest_expiration_max_pain":21,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":5.527640213849249,"all_expiration_max_pain":21,"net_gamma_exposure":32613.137249017036,"net_gamma_exposure_per_100k_open_interest":7059120.616670354,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":30,"call_wall_distance_pct":50.753771734070355,"put_wall":20,"put_wall_distance_pct":0.5025144893802372,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":3981},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":0.8333,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":19.9,"totalOi":1002,"analysisCoverage":0.8333,"avgIvPct":707.8,"ivRank":100,"iv52wHighPct":707.8,"iv52wLowPct":39.5,"frontDte":91,"termPremiumPp":0,"riskReversalFrontPp":null,"riskReversal30dPp":null,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.047,"putCallOiFrontRatio":0.182,"putCallVolumeFrontRatio":0,"optionVolume":2,"volumeOiRatio":0.001996,"netDeltaNormalized":0.170948,"dealerDeltaNormalized":-0.170948,"gexPer100kOi":3100747.50499,"vannaPer100kOi":3692.61477,"charmPer100kOi":0,"weekendDeltaShiftPer100kOi":0,"ivSurfaceRangePp":0,"gammaFlipDistancePct":-33.21608,"maxPainDistancePct":0.502513,"peakCallDistancePct":5.527638,"peakPutDistancePct":0.502513},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/PSIL.json?date=2026-10-16&public_schema=4","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."}