{"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/NVDA","markdown_url":"https://halfonadouble.com/stock/NVDA.md","history_url":"https://halfonadouble.com/api/v1/history/NVDA.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/NVDA.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":"NVDA","page_tier":"A","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":233.9499969482422,"previous_close":230.86000061035156,"delta_neutral":206.6933694056761,"gamma_neutral":208.1435648850199,"gamma_max":243.23824558008405,"total_open_interest":13927877,"previous_open_interest":14565962,"listed_contracts":2308,"listed_calls":1649,"listed_puts":1376,"gamma_max_distance_pct":3.9701854041471725,"delta_neutral_distance_pct":-11.650621029328844,"gamma_neutral_distance_pct":-11.030746911670851,"open_interest_change_1d_pct":-4.380658139846857,"call_open_interest":7425698,"put_open_interest":6502179,"put_call_open_interest_ratio":0.8756320281271875,"nearest_expiration_max_pain":227.5,"nearest_expiration_max_pain_expiry":"2026-10-05","nearest_expiration_max_pain_distance_pct":-2.7569980903522513,"all_expiration_max_pain":197.5,"net_gamma_exposure":687718417.0448873,"net_gamma_exposure_per_100k_open_interest":4937711.734852967,"gamma_exposure_flip":208.1435648850199,"gamma_exposure_flip_distance_pct":-11.030746911670851,"call_wall":235,"call_wall_distance_pct":0.4488151594163557,"put_wall":230,"put_wall_distance_pct":-1.6883936737627157,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":3},"history_summary":{"first_date":"2020-12-01","last_date":"2026-10-02","session_count":1394,"trailing_window_sessions":252,"sessions_above_gamma_max_pct":2.7777777777777777,"gamma_max_cross_count":8,"delta_neutral_cross_count":2,"gamma_max_prior_sessions_closer_pct":28.968253968253972,"gamma_max_prior_comparison_sessions":252,"delta_neutral_prior_sessions_closer_pct":86.90476190476191,"delta_neutral_prior_comparison_sessions":252,"open_interest_percentile_1y":16.26984126984127,"open_interest_change_1d_contracts":-638085,"open_interest_change_z_252":-0.8057921866496257,"open_interest_change_z_comparison_sessions":252,"open_interest_change_5_sessions_pct":1.6859219168169979,"open_interest_change_21_sessions_pct":-7.549719347728569,"call_put_open_interest_changes":{"one_session":{"call_change_contracts":-374668,"put_change_contracts":-263417,"call_growth_pct":-4.8032105160193765,"put_growth_pct":-3.893478120774578,"call_minus_put_growth_pp":-0.9097323952447987},"five_sessions":{"call_change_contracts":137731,"put_change_contracts":93189,"call_growth_pct":1.8898411587209438,"put_growth_pct":1.4540356592848482,"call_minus_put_growth_pp":0.4358054994360956},"call_change_surprise":{"z_score":-0.8637310513997386,"comparison_sessions":252},"put_change_surprise":{"z_score":-0.7200946708355916,"comparison_sessions":252},"call_minus_put_growth_surprise":{"z_score":-0.7514330335103995,"comparison_sessions":252}}},"advanced_options":{"data_through":"2026-10-02","analysis_coverage":1,"catalyst_score":43.33627591003118,"directional_score":-19.133858267716533,"catalyst_reasons":["smile convexity 41.3 pp","volume/OI 0.31"],"features":{"symbol":"NVDA","price":233.95,"totalOi":14907376,"analysisCoverage":1,"avgIvPct":114.1,"ivRank":17.6,"iv52wHighPct":379.8,"iv52wLowPct":57.3,"frontDte":3,"frontAtmIvPct":27.7963,"backAtmIvPct":34.8256,"termPremiumPp":-7.0293,"expectedMoveFrontPct":2.52,"straddleFrontPct":1.41,"straddle30dPct":6.43,"riskReversalFrontPp":1.85,"riskReversal30dPp":3.47,"butterflyFrontPp":41.27,"butterfly30dPp":0.81,"putCallOiRatio":0.87,"putCallOiFrontRatio":0.849,"putCallVolumeFrontRatio":0.967,"optionVolume":4617131,"volumeOiRatio":0.309721,"netDeltaNormalized":0.22718,"dealerDeltaNormalized":-0.223866,"gexPer100kOi":20313157.430389,"vannaPer100kOi":1805.441816,"charmPer100kOi":-2237097.736047,"weekendDeltaShiftPer100kOi":-6711293.208141,"ivSurfaceRangePp":136.1,"gammaFlipDistancePct":-2.876683,"maxPainDistancePct":-14.511648,"peakCallDistancePct":0.448814,"peakPutDistancePct":0.448814},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/NVDA.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":[{"direction":"above","event_count":26,"completed_path_count":26,"latest_cross_date":"2026-05-13","horizons":[{"sessions":1,"sample_size":26,"median_return_pct":-0.037015856966049476,"p25_return_pct":-1.0448504986104696,"p75_return_pct":1.100132373216578,"above_zero_pct":50,"median_interval_low_pct":-0.8000563833848728,"median_interval_high_pct":0.46011711820395096,"median_interval_nominal_coverage_pct":92.44813024997711,"confidence_floor_pct":0},{"sessions":3,"sample_size":26,"median_return_pct":1.665751484316902,"p25_return_pct":-1.2605766924963264,"p75_return_pct":3.2499116210171044,"above_zero_pct":69.23076923076923,"median_interval_low_pct":0.5009521976290454,"median_interval_high_pct":2.8723859192937518,"median_interval_nominal_coverage_pct":92.44813024997711,"confidence_floor_pct":0.5009521976290454},{"sessions":5,"sample_size":26,"median_return_pct":1.823034327042794,"p25_return_pct":-1.1342612025046135,"p75_return_pct":3.5352084278588602,"above_zero_pct":61.53846153846154,"median_interval_low_pct":-1.007965756016116,"median_interval_high_pct":3.3245300076891526,"median_interval_nominal_coverage_pct":92.44813024997711,"confidence_floor_pct":0},{"sessions":10,"sample_size":26,"median_return_pct":3.480995103025475,"p25_return_pct":-3.3064045177030654,"p75_return_pct":8.424291019224635,"above_zero_pct":65.38461538461539,"median_interval_low_pct":-0.1815850186685286,"median_interval_high_pct":8.056732829399271,"median_interval_nominal_coverage_pct":92.44813024997711,"confidence_floor_pct":0}]},{"direction":"below","event_count":29,"completed_path_count":29,"latest_cross_date":"2026-05-15","horizons":[{"sessions":1,"sample_size":29,"median_return_pct":0.6802721088435382,"p25_return_pct":-0.3486235397722637,"p75_return_pct":2.066624258939309,"above_zero_pct":62.06896551724138,"median_interval_low_pct":-0.19714815796127994,"median_interval_high_pct":1.9272300042150192,"median_interval_nominal_coverage_pct":93.85716542601585,"confidence_floor_pct":0},{"sessions":3,"sample_size":29,"median_return_pct":0.5547479083713558,"p25_return_pct":-1.109535010513918,"p75_return_pct":2.954450592881752,"above_zero_pct":55.172413793103445,"median_interval_low_pct":-0.9082081904623673,"median_interval_high_pct":2.3565255019333264,"median_interval_nominal_coverage_pct":93.85716542601585,"confidence_floor_pct":0},{"sessions":5,"sample_size":29,"median_return_pct":0.6654862741677148,"p25_return_pct":-3.5389346509273945,"p75_return_pct":4.097185051475938,"above_zero_pct":58.620689655172406,"median_interval_low_pct":-2.551190050634655,"median_interval_high_pct":2.716474843617167,"median_interval_nominal_coverage_pct":93.85716542601585,"confidence_floor_pct":0},{"sessions":10,"sample_size":29,"median_return_pct":2.505394804463723,"p25_return_pct":-0.9250170536828528,"p75_return_pct":10.03571598335331,"above_zero_pct":62.06896551724138,"median_interval_low_pct":-0.4260636795053063,"median_interval_high_pct":6.38626862574736,"median_interval_nominal_coverage_pct":93.85716542601585,"confidence_floor_pct":0}]}],"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."}