{"schema_version":1,"publisher":"Half on a Double","data_through":"2026-10-16","frequency":"end-of-day","methodology":"market-implied-carry-v1","generation":"market-implied-carry-analytics-20260917T000000Z","canonical_url":"https://halfonadouble.com/stock/LULU","markdown_url":"https://halfonadouble.com/stock/LULU.md","history_url":"https://halfonadouble.com/api/v1/history/LULU.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/LULU.json?date=2026-10-16&public_schema=4","definitions_url":"https://halfonadouble.com/methodology.md","license_url":"https://halfonadouble.com/terms.md","disclaimer_url":"https://halfonadouble.com/disclaimer.md","symbol":"LULU","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":97.0999984741211,"previous_close":99.08999633789062,"delta_neutral":103.47667718740664,"gamma_neutral":97.32250636032597,"gamma_max":146.95094480585263,"total_open_interest":449182,"previous_open_interest":498347,"listed_contracts":989,"listed_calls":626,"listed_puts":427,"gamma_max_distance_pct":51.3398013543921,"delta_neutral_distance_pct":6.567125451587976,"gamma_neutral_distance_pct":0.22915333645878766,"open_interest_change_1d_pct":-9.865615725588798,"call_open_interest":279967,"put_open_interest":169215,"put_call_open_interest_ratio":0.6044105198112635,"nearest_expiration_max_pain":96,"nearest_expiration_max_pain_expiry":"2026-10-23","nearest_expiration_max_pain_distance_pct":-1.1328511754964272,"all_expiration_max_pain":110,"net_gamma_exposure":-292950.093644656,"net_gamma_exposure_per_100k_open_interest":-65218.573683864444,"gamma_exposure_flip":97.32250636032597,"gamma_exposure_flip_distance_pct":0.22915333645878766,"call_wall":100,"call_wall_distance_pct":2.9866133588578885,"put_wall":100,"put_wall_distance_pct":2.9866133588578885,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":221},"history_summary":{"first_date":"2020-12-01","last_date":"2026-10-16","session_count":1404,"trailing_window_sessions":252,"sessions_above_gamma_max_pct":0.7936507936507936,"gamma_max_cross_count":2,"delta_neutral_cross_count":12,"gamma_max_prior_sessions_closer_pct":90.07936507936508,"gamma_max_prior_comparison_sessions":252,"delta_neutral_prior_sessions_closer_pct":47.22222222222222,"delta_neutral_prior_comparison_sessions":252,"open_interest_percentile_1y":64.68253968253968,"open_interest_change_1d_contracts":-49165,"open_interest_change_z_252":-1.8849302251661626,"open_interest_change_z_comparison_sessions":252,"open_interest_change_5_sessions_pct":-5.858115032915351,"open_interest_change_21_sessions_pct":-15.354406382970703,"call_put_open_interest_changes":{"one_session":{"call_change_contracts":-27756,"put_change_contracts":-21409,"call_growth_pct":-9.019800274922577,"put_growth_pct":-11.23100973644452,"call_minus_put_growth_pp":2.2112094615219426},"five_sessions":{"call_change_contracts":-15710,"put_change_contracts":-12241,"call_growth_pct":-5.313230315513212,"put_growth_pct":-6.7459880081121595,"call_minus_put_growth_pp":1.4327576925989476},"call_change_surprise":{"z_score":-1.8109466385541453,"comparison_sessions":252},"put_change_surprise":{"z_score":-1.885464658566857,"comparison_sessions":252},"call_minus_put_growth_surprise":{"z_score":0.9874754658926699,"comparison_sessions":252}}},"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":37.12504653122831,"directional_score":-0.6977274556625837,"catalyst_reasons":["smile convexity -11.7 pp"],"features":{"price":97.1,"totalOi":506716,"analysisCoverage":1,"avgIvPct":132.6,"ivRank":82.5,"iv52wHighPct":148.1,"iv52wLowPct":59.7,"frontDte":7,"termPremiumPp":-8.8819,"riskReversalFrontPp":2.95,"riskReversal30dPp":0.6,"butterflyFrontPp":-11.66,"butterfly30dPp":1.32,"putCallOiRatio":0.623,"putCallOiFrontRatio":0.589,"putCallVolumeFrontRatio":0.502,"optionVolume":29505,"volumeOiRatio":0.058228,"netDeltaNormalized":-0.05425,"dealerDeltaNormalized":0.053681,"gexPer100kOi":2054793.065544,"vannaPer100kOi":2875.180575,"charmPer100kOi":-134848.317401,"weekendDeltaShiftPer100kOi":-404545.149551,"ivSurfaceRangePp":99.4,"gammaFlipDistancePct":0.741504,"maxPainDistancePct":8.135942,"peakCallDistancePct":2.986612,"peakPutDistancePct":-0.102987},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/LULU.json?date=2026-10-16&public_schema=4","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":8,"completed_path_count":8,"latest_cross_date":"2025-11-26","horizons":[{"sessions":1,"sample_size":8,"median_return_pct":-0.7059054544706456,"p25_return_pct":-1.666845452640514,"p75_return_pct":0.16457645655558184,"above_zero_pct":25,"median_interval_low_pct":-2.077348506514476,"median_interval_high_pct":0.6583058262223274,"median_interval_nominal_coverage_pct":92.96875,"confidence_floor_pct":0},{"sessions":3,"sample_size":8,"median_return_pct":0.2073923963270885,"p25_return_pct":-1.9976223619319944,"p75_return_pct":0.6400020148286445,"above_zero_pct":62.5,"median_interval_low_pct":-4.908316889410402,"median_interval_high_pct":1.613675669517356,"median_interval_nominal_coverage_pct":92.96875,"confidence_floor_pct":0},{"sessions":5,"sample_size":8,"median_return_pct":0.15827864596037466,"p25_return_pct":-3.55432477553948,"p75_return_pct":0.612059053028563,"above_zero_pct":62.5,"median_interval_low_pct":-4.00702930462693,"median_interval_high_pct":1.2250904491466708,"median_interval_nominal_coverage_pct":92.96875,"confidence_floor_pct":0},{"sessions":10,"sample_size":8,"median_return_pct":-4.018482641002219,"p25_return_pct":-6.022621157048144,"p75_return_pct":2.3298608520539887,"above_zero_pct":37.5,"median_interval_low_pct":-6.1685277061433785,"median_interval_high_pct":3.1219042539094577,"median_interval_nominal_coverage_pct":92.96875,"confidence_floor_pct":0}]},{"direction":"below","event_count":8,"completed_path_count":8,"latest_cross_date":"2024-12-09","horizons":[{"sessions":1,"sample_size":8,"median_return_pct":-1.0813036236919094,"p25_return_pct":-1.8062480704972628,"p75_return_pct":1.280924217724222,"above_zero_pct":37.5,"median_interval_low_pct":-1.8997510509335735,"median_interval_high_pct":1.358000149966987,"median_interval_nominal_coverage_pct":92.96875,"confidence_floor_pct":0},{"sessions":3,"sample_size":8,"median_return_pct":-1.07468431931253,"p25_return_pct":-3.9009221307041484,"p75_return_pct":0.17820645830274873,"above_zero_pct":25,"median_interval_low_pct":-4.145879550532716,"median_interval_high_pct":3.281903198732694,"median_interval_nominal_coverage_pct":92.96875,"confidence_floor_pct":0},{"sessions":5,"sample_size":8,"median_return_pct":-2.015283310143362,"p25_return_pct":-3.4003056132166005,"p75_return_pct":-0.8604147867447259,"above_zero_pct":25,"median_interval_low_pct":-3.717981667740866,"median_interval_high_pct":1.5821150820199747,"median_interval_nominal_coverage_pct":92.96875,"confidence_floor_pct":0},{"sessions":10,"sample_size":8,"median_return_pct":-3.1024495711289735,"p25_return_pct":-3.618889533740832,"p75_return_pct":0.7522148997097522,"above_zero_pct":37.5,"median_interval_low_pct":-4.712546941450501,"median_interval_high_pct":0.9952700724972674,"median_interval_nominal_coverage_pct":92.96875,"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."}