{"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/GDYN","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/GDYN.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/GDYN.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":"GDYN","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":8.020000457763672,"previous_close":8.380000114440918,"delta_neutral":5.5546637492315565,"gamma_neutral":3.745980617360357,"gamma_max":7.314829999515242,"total_open_interest":8570,"previous_open_interest":7089,"listed_contracts":23,"listed_calls":21,"listed_puts":9,"gamma_max_distance_pct":-8.792648603477295,"delta_neutral_distance_pct":-30.739857454067522,"gamma_neutral_distance_pct":-53.292014918352,"open_interest_change_1d_pct":20.891522076456482,"call_open_interest":6929,"put_open_interest":1641,"put_call_open_interest_ratio":0.2368307115023813,"nearest_expiration_max_pain":7.5,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-6.483795861386657,"all_expiration_max_pain":5,"net_gamma_exposure":492096.2965591336,"net_gamma_exposure_per_100k_open_interest":5742080.473268771,"gamma_exposure_flip":3.745980617360357,"gamma_exposure_flip_distance_pct":-53.292014918352,"call_wall":7.5,"call_wall_distance_pct":-6.483795861386657,"put_wall":7.5,"put_wall_distance_pct":-6.483795861386657,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2201},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.8333,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"GDYN","price":8.02,"totalOi":8570,"analysisCoverage":0.8333,"avgIvPct":114.7,"ivRank":99.1,"iv52wHighPct":115.14,"iv52wLowPct":67.6,"frontDte":null,"frontAtmIvPct":null,"backAtmIvPct":null,"termPremiumPp":null,"expectedMoveFrontPct":null,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":116.66,"riskReversal30dPp":116.66,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.237,"putCallOiFrontRatio":0.115,"putCallVolumeFrontRatio":0.091,"optionVolume":33,"volumeOiRatio":0.003851,"netDeltaNormalized":0.451035,"dealerDeltaNormalized":-0.451034,"gexPer100kOi":488721.353559,"vannaPer100kOi":-256.709452,"charmPer100kOi":-310910.151692,"weekendDeltaShiftPer100kOi":-932730.455076,"ivSurfaceRangePp":15.7,"gammaFlipDistancePct":null,"maxPainDistancePct":-37.65586,"peakCallDistancePct":-6.483791,"peakPutDistancePct":-6.483791},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/GDYN.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."}