{"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/NAT","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/NAT.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/NAT.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":"NAT","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":8.420000076293945,"previous_close":8.170000076293945,"delta_neutral":6.295981701670991,"gamma_neutral":4.942171505227834,"gamma_max":8.157228456774313,"total_open_interest":47956,"previous_open_interest":47600,"listed_contracts":64,"listed_calls":50,"listed_puts":51,"gamma_max_distance_pct":-3.120803053903195,"delta_neutral_distance_pct":-25.225871204004065,"gamma_neutral_distance_pct":-41.30437695431559,"open_interest_change_1d_pct":0.7478991596638656,"call_open_interest":33362,"put_open_interest":14594,"put_call_open_interest_ratio":0.4374437983334332,"nearest_expiration_max_pain":7,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-16.864608829302494,"all_expiration_max_pain":6,"net_gamma_exposure":3962952.466349484,"net_gamma_exposure_per_100k_open_interest":8263726.053777387,"gamma_exposure_flip":4.942171505227834,"gamma_exposure_flip_distance_pct":-41.30437695431559,"call_wall":9,"call_wall_distance_pct":6.888360076611081,"put_wall":8,"put_wall_distance_pct":-4.988124376345706,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1010},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"NAT","price":8.42,"totalOi":47956,"analysisCoverage":1,"avgIvPct":150.5,"ivRank":53.9,"iv52wHighPct":209.7,"iv52wLowPct":81.24,"frontDte":14,"frontAtmIvPct":46.4137,"backAtmIvPct":47.0801,"termPremiumPp":-0.6664,"expectedMoveFrontPct":9.09,"straddleFrontPct":8.02,"straddle30dPct":8.02,"riskReversalFrontPp":0.86,"riskReversal30dPp":0.86,"butterflyFrontPp":0.61,"butterfly30dPp":0.61,"putCallOiRatio":0.437,"putCallOiFrontRatio":0.333,"putCallVolumeFrontRatio":0.138,"optionVolume":5560,"volumeOiRatio":0.11594,"netDeltaNormalized":0.307742,"dealerDeltaNormalized":-0.245168,"gexPer100kOi":684467.324214,"vannaPer100kOi":1384.602552,"charmPer100kOi":-67457.66953,"weekendDeltaShiftPer100kOi":-202375.093836,"ivSurfaceRangePp":229.9,"gammaFlipDistancePct":-21.615202,"maxPainDistancePct":-28.741093,"peakCallDistancePct":6.888361,"peakPutDistancePct":-28.741093},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/NAT.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."}