{"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/APPN","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/APPN.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/APPN.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":"APPN","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":36.68000030517578,"previous_close":37.77000045776367,"delta_neutral":28.173780599765657,"gamma_neutral":28.960658219403612,"gamma_max":40.17201644950902,"total_open_interest":6582,"previous_open_interest":6520,"listed_contracts":122,"listed_calls":100,"listed_puts":53,"gamma_max_distance_pct":9.52021841679346,"delta_neutral_distance_pct":-23.190347967935658,"gamma_neutral_distance_pct":-21.04509820487357,"open_interest_change_1d_pct":0.9509202453987731,"call_open_interest":3981,"put_open_interest":2601,"put_call_open_interest_ratio":0.653353428786737,"nearest_expiration_max_pain":35,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-4.580153465644117,"all_expiration_max_pain":30,"net_gamma_exposure":242666.02217333697,"net_gamma_exposure_per_100k_open_interest":3686812.8558695987,"gamma_exposure_flip":28.960658219403612,"gamma_exposure_flip_distance_pct":-21.04509820487357,"call_wall":40,"call_wall_distance_pct":9.051253182121009,"put_wall":22.5,"put_wall_distance_pct":-38.65867008505693,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2389},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"APPN","price":36.68,"totalOi":6582,"analysisCoverage":1,"avgIvPct":79.1,"ivRank":21.2,"iv52wHighPct":91.02,"iv52wLowPct":75.89,"frontDte":14,"frontAtmIvPct":61.3743,"backAtmIvPct":70.5792,"termPremiumPp":-9.2049,"expectedMoveFrontPct":12.02,"straddleFrontPct":9,"straddle30dPct":9,"riskReversalFrontPp":62.78,"riskReversal30dPp":62.78,"butterflyFrontPp":6.53,"butterfly30dPp":6.53,"putCallOiRatio":0.653,"putCallOiFrontRatio":0.363,"putCallVolumeFrontRatio":1.167,"optionVolume":41,"volumeOiRatio":0.006229,"netDeltaNormalized":0.259169,"dealerDeltaNormalized":-0.258774,"gexPer100kOi":1491398.66302,"vannaPer100kOi":-106.350653,"charmPer100kOi":-429747.797022,"weekendDeltaShiftPer100kOi":-1289258.584017,"ivSurfaceRangePp":65.1,"gammaFlipDistancePct":-8.369684,"maxPainDistancePct":-18.211559,"peakCallDistancePct":9.051254,"peakPutDistancePct":2.235551},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/APPN.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."}