{"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/PSI","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/PSI.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/PSI.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":"PSI","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":124.5,"previous_close":131.27000427246094,"delta_neutral":128.6130897057111,"gamma_neutral":111.81636751923955,"gamma_max":151.26841966169596,"total_open_interest":756,"previous_open_interest":914,"listed_contracts":87,"listed_calls":58,"listed_puts":31,"gamma_max_distance_pct":21.50073868409314,"delta_neutral_distance_pct":3.3036865106113282,"gamma_neutral_distance_pct":-10.18765661105257,"open_interest_change_1d_pct":-17.286652078774615,"call_open_interest":475,"put_open_interest":281,"put_call_open_interest_ratio":0.5915789473684211,"nearest_expiration_max_pain":130,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":4.417670682730924,"all_expiration_max_pain":140,"net_gamma_exposure":15749.803255113817,"net_gamma_exposure_per_100k_open_interest":2083307.3088774888,"gamma_exposure_flip":111.81636751923955,"gamma_exposure_flip_distance_pct":-10.18765661105257,"call_wall":150,"call_wall_distance_pct":20.481927710843372,"put_wall":135,"put_wall_distance_pct":8.433734939759036,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":3709},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":0.7778,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":124.5,"totalOi":935,"analysisCoverage":0.7778,"avgIvPct":318.4,"ivRank":100,"iv52wHighPct":318.4,"iv52wLowPct":49.2,"frontDte":35,"termPremiumPp":4.1282,"riskReversalFrontPp":null,"riskReversal30dPp":null,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.491,"putCallOiFrontRatio":0.339,"putCallVolumeFrontRatio":2.727,"optionVolume":59,"volumeOiRatio":0.063102,"netDeltaNormalized":-0.041615,"dealerDeltaNormalized":0.041615,"gexPer100kOi":1845592.513369,"vannaPer100kOi":427.807487,"charmPer100kOi":-99358.28877,"weekendDeltaShiftPer100kOi":-298074.86631,"ivSurfaceRangePp":16.2,"gammaFlipDistancePct":28.570281,"maxPainDistancePct":12.449799,"peakCallDistancePct":0.401606,"peakPutDistancePct":-3.614458},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/PSI.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."}