{"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/GRID","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/GRID.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/GRID.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":"GRID","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":182.91000366210938,"previous_close":178.8000030517578,"delta_neutral":166.33011031176335,"gamma_neutral":110.102055794977,"gamma_max":188.95357394736146,"total_open_interest":1063,"previous_open_interest":1059,"listed_contracts":121,"listed_calls":76,"listed_puts":49,"gamma_max_distance_pct":3.3041223357123797,"delta_neutral_distance_pct":-9.064508784863484,"gamma_neutral_distance_pct":-39.80533946171194,"open_interest_change_1d_pct":0.3777148253068933,"call_open_interest":827,"put_open_interest":236,"put_call_open_interest_ratio":0.28536880290205563,"nearest_expiration_max_pain":175,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-4.324533105757062,"all_expiration_max_pain":170,"net_gamma_exposure":182975.4798274836,"net_gamma_exposure_per_100k_open_interest":17213121.338427432,"gamma_exposure_flip":110.102055794977,"gamma_exposure_flip_distance_pct":-39.80533946171194,"call_wall":190,"call_wall_distance_pct":3.8762211994637608,"put_wall":170,"put_wall_distance_pct":-7.058117874164004,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":3653},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.8889,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"GRID","price":182.91,"totalOi":1063,"analysisCoverage":0.8889,"avgIvPct":25.8,"ivRank":3.3,"iv52wHighPct":85.26,"iv52wLowPct":23.8,"frontDte":14,"frontAtmIvPct":23.3856,"backAtmIvPct":24.1269,"termPremiumPp":-0.7413,"expectedMoveFrontPct":4.58,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":5.86,"riskReversal30dPp":5.86,"butterflyFrontPp":2.52,"butterfly30dPp":2.52,"putCallOiRatio":0.285,"putCallOiFrontRatio":0.302,"putCallVolumeFrontRatio":1.667,"optionVolume":36,"volumeOiRatio":0.033866,"netDeltaNormalized":0.224317,"dealerDeltaNormalized":-0.220941,"gexPer100kOi":33164091.251176,"vannaPer100kOi":1693.32079,"charmPer100kOi":-323142.0508,"weekendDeltaShiftPer100kOi":-969426.152399,"ivSurfaceRangePp":12.2,"gammaFlipDistancePct":-19.823957,"maxPainDistancePct":-7.058116,"peakCallDistancePct":3.876223,"peakPutDistancePct":-4.324531},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/GRID.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."}