{"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/PTGX","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/PTGX.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/PTGX.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":"PTGX","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":140.05999755859375,"previous_close":139.07699584960938,"delta_neutral":100.99156697693493,"gamma_neutral":86.5184696960282,"gamma_max":124.19288931036408,"total_open_interest":6939,"previous_open_interest":6935,"listed_contracts":85,"listed_calls":70,"listed_puts":38,"gamma_max_distance_pct":-11.328793748972975,"delta_neutral_distance_pct":-27.89406773002023,"gamma_neutral_distance_pct":-38.2275658973695,"open_interest_change_1d_pct":0.05767844268204759,"call_open_interest":5178,"put_open_interest":1761,"put_call_open_interest_ratio":0.34009269988412516,"nearest_expiration_max_pain":95,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-32.17192513497154,"all_expiration_max_pain":95,"net_gamma_exposure":473470.5094263593,"net_gamma_exposure_per_100k_open_interest":6823324.822400336,"gamma_exposure_flip":86.5184696960282,"gamma_exposure_flip_distance_pct":-38.2275658973695,"call_wall":125,"call_wall_distance_pct":-10.752533072330976,"put_wall":80,"put_wall_distance_pct":-42.88162116629182,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2352},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"PTGX","price":140.06,"totalOi":6939,"analysisCoverage":1,"avgIvPct":65.7,"ivRank":32.3,"iv52wHighPct":88.95,"iv52wLowPct":54.6,"frontDte":14,"frontAtmIvPct":50.3964,"backAtmIvPct":38.9298,"termPremiumPp":11.4666,"expectedMoveFrontPct":9.87,"straddleFrontPct":8.21,"straddle30dPct":8.21,"riskReversalFrontPp":211.54,"riskReversal30dPp":211.54,"butterflyFrontPp":-0.58,"butterfly30dPp":-0.58,"putCallOiRatio":0.34,"putCallOiFrontRatio":0.36,"putCallVolumeFrontRatio":2.889,"optionVolume":37,"volumeOiRatio":0.005332,"netDeltaNormalized":0.533106,"dealerDeltaNormalized":-0.518278,"gexPer100kOi":11715070.903588,"vannaPer100kOi":-3199.308258,"charmPer100kOi":-101916.702695,"weekendDeltaShiftPer100kOi":-305735.696786,"ivSurfaceRangePp":53.3,"gammaFlipDistancePct":-27.024133,"maxPainDistancePct":-32.171926,"peakCallDistancePct":-0.042839,"peakPutDistancePct":-0.042839},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/PTGX.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."}