{"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/SQQQ","markdown_url":"https://halfonadouble.com/stock/SQQQ.md","history_url":"https://halfonadouble.com/api/v1/history/SQQQ.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/SQQQ.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":"SQQQ","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":38.869998931884766,"previous_close":36.13999938964844,"delta_neutral":32.791821739865455,"gamma_neutral":25.193438963169772,"gamma_max":36.693246754301306,"total_open_interest":344597,"previous_open_interest":491997,"listed_contracts":819,"listed_calls":483,"listed_puts":434,"gamma_max_distance_pct":-5.600082936451758,"delta_neutral_distance_pct":-15.637194131830622,"gamma_neutral_distance_pct":-35.18538807444169,"open_interest_change_1d_pct":-29.959532273570773,"call_open_interest":235490,"put_open_interest":109107,"put_call_open_interest_ratio":0.4633190369017793,"nearest_expiration_max_pain":35,"nearest_expiration_max_pain_expiry":"2026-10-23","nearest_expiration_max_pain_distance_pct":-9.956261996987696,"all_expiration_max_pain":35,"net_gamma_exposure":18122585.90759958,"net_gamma_exposure_per_100k_open_interest":5259066.651073451,"gamma_exposure_flip":25.193438963169772,"gamma_exposure_flip_distance_pct":-35.18538807444169,"call_wall":40,"call_wall_distance_pct":2.907129146299778,"put_wall":40,"put_wall_distance_pct":2.907129146299778,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":264},"history_summary":{"first_date":"2020-12-01","last_date":"2026-10-16","session_count":1401,"trailing_window_sessions":252,"sessions_above_gamma_max_pct":16.334661354581673,"gamma_max_cross_count":39,"delta_neutral_cross_count":32,"gamma_max_prior_sessions_closer_pct":45.0199203187251,"gamma_max_prior_comparison_sessions":251,"delta_neutral_prior_sessions_closer_pct":98.00796812749005,"delta_neutral_prior_comparison_sessions":251,"open_interest_percentile_1y":59.12698412698413,"open_interest_change_1d_contracts":-147400,"open_interest_change_z_252":-2.2092482751444957,"open_interest_change_z_comparison_sessions":252,"open_interest_change_5_sessions_pct":-20.029101677175607,"open_interest_change_21_sessions_pct":-38.05487745688431,"call_put_open_interest_changes":{"one_session":{"call_change_contracts":-106099,"put_change_contracts":-41301,"call_growth_pct":-31.060426418883512,"put_growth_pct":-27.4593106749641,"call_minus_put_growth_pp":-3.6011157439194115},"five_sessions":{"call_change_contracts":-61184,"put_change_contracts":-25122,"call_growth_pct":-20.623310435022955,"put_growth_pct":-18.715776769550544,"call_minus_put_growth_pp":-1.9075336654724104},"call_change_surprise":{"z_score":-2.1551514626847736,"comparison_sessions":250},"put_change_surprise":{"z_score":-2.2496347621212824,"comparison_sessions":250},"call_minus_put_growth_surprise":{"z_score":-0.41003632491236763,"comparison_sessions":250}}},"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":57.09313355227319,"directional_score":28.54887177698479,"catalyst_reasons":["volume/OI 0.32","front IV premium 11.1 pp","25Δ risk reversal -24.1 pp"],"features":{"price":38.87,"totalOi":503560,"analysisCoverage":1,"avgIvPct":134,"ivRank":52.5,"iv52wHighPct":184.7,"iv52wLowPct":77.9,"frontDte":7,"termPremiumPp":11.1203,"riskReversalFrontPp":-24.05,"riskReversal30dPp":-21.86,"butterflyFrontPp":0.39,"butterfly30dPp":2.06,"putCallOiRatio":0.438,"putCallOiFrontRatio":0.321,"putCallVolumeFrontRatio":0.284,"optionVolume":159713,"volumeOiRatio":0.317168,"netDeltaNormalized":0.20399,"dealerDeltaNormalized":-0.186439,"gexPer100kOi":4227732.713083,"vannaPer100kOi":1824.211613,"charmPer100kOi":-1399307.530384,"weekendDeltaShiftPer100kOi":-4197922.789737,"ivSurfaceRangePp":150,"gammaFlipDistancePct":-12.606123,"maxPainDistancePct":-9.956264,"peakCallDistancePct":-2.23823,"peakPutDistancePct":-9.956264},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/SQQQ.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":107,"completed_path_count":106,"latest_cross_date":"2026-10-13","horizons":[{"sessions":1,"sample_size":107,"median_return_pct":0.13279882823444833,"p25_return_pct":-2.3760328150370436,"p75_return_pct":3.082336907140948,"above_zero_pct":51.4018691588785,"median_interval_low_pct":-0.3946715436575765,"median_interval_high_pct":0.6861331689096639,"median_interval_nominal_coverage_pct":91.86469517940341,"confidence_floor_pct":0},{"sessions":3,"sample_size":107,"median_return_pct":-1.9370441038567443,"p25_return_pct":-6.18074633362829,"p75_return_pct":4.20911158992785,"above_zero_pct":42.05607476635514,"median_interval_low_pct":-3.904243163087384,"median_interval_high_pct":0.15037220904168258,"median_interval_nominal_coverage_pct":91.86469517940341,"confidence_floor_pct":0},{"sessions":5,"sample_size":106,"median_return_pct":-2.113502987674787,"p25_return_pct":-7.4802721937486965,"p75_return_pct":5.174082476188485,"above_zero_pct":43.39622641509434,"median_interval_low_pct":-3.7346043563948106,"median_interval_high_pct":0.48371780750362525,"median_interval_nominal_coverage_pct":90.1757495577562,"confidence_floor_pct":0},{"sessions":10,"sample_size":106,"median_return_pct":-4.272032814547327,"p25_return_pct":-10.967689373332547,"p75_return_pct":7.346582530759804,"above_zero_pct":34.90566037735849,"median_interval_low_pct":-7.201985853094062,"median_interval_high_pct":-2.3411367955187723,"median_interval_nominal_coverage_pct":90.1757495577562,"confidence_floor_pct":-2.3411367955187723}]},{"direction":"below","event_count":104,"completed_path_count":104,"latest_cross_date":"2026-09-17","horizons":[{"sessions":1,"sample_size":104,"median_return_pct":-0.80657551504974,"p25_return_pct":-3.2560158389458635,"p75_return_pct":3.0371171625637903,"above_zero_pct":44.230769230769226,"median_interval_low_pct":-1.8641856066041518,"median_interval_high_pct":0.23733814773876372,"median_interval_nominal_coverage_pct":90.49563252005919,"confidence_floor_pct":0},{"sessions":3,"sample_size":104,"median_return_pct":-0.7564519408107373,"p25_return_pct":-5.763022333946174,"p75_return_pct":2.7649561024923495,"above_zero_pct":45.19230769230769,"median_interval_low_pct":-2.2553641467955243,"median_interval_high_pct":0.2317202683684627,"median_interval_nominal_coverage_pct":90.49563252005919,"confidence_floor_pct":0},{"sessions":5,"sample_size":104,"median_return_pct":-3.2199702015264062,"p25_return_pct":-8.422838211575787,"p75_return_pct":6.5776189135176075,"above_zero_pct":43.269230769230774,"median_interval_low_pct":-4.593878249191141,"median_interval_high_pct":0.4701121102096417,"median_interval_nominal_coverage_pct":90.49563252005919,"confidence_floor_pct":0},{"sessions":10,"sample_size":104,"median_return_pct":-3.4014414838484996,"p25_return_pct":-10.973158596750935,"p75_return_pct":5.770703291235346,"above_zero_pct":42.30769230769231,"median_interval_low_pct":-6.287261785604925,"median_interval_high_pct":0.061411890571561045,"median_interval_nominal_coverage_pct":90.49563252005919,"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."}