{"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/AEM","markdown_url":"https://halfonadouble.com/stock/AEM.md","history_url":"https://halfonadouble.com/api/v1/history/AEM.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/AEM.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":"AEM","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":189.52999877929688,"previous_close":187.55999755859375,"delta_neutral":169.681249916561,"gamma_neutral":173.3677418634143,"gamma_max":218.8386613342132,"total_open_interest":131841,"previous_open_interest":153995,"listed_contracts":683,"listed_calls":475,"listed_puts":350,"gamma_max_distance_pct":15.463864688273214,"delta_neutral_distance_pct":-10.47261593973272,"gamma_neutral_distance_pct":-8.527545517848676,"open_interest_change_1d_pct":-14.386181369524984,"call_open_interest":77522,"put_open_interest":54319,"put_call_open_interest_ratio":0.7006914166301179,"nearest_expiration_max_pain":185,"nearest_expiration_max_pain_expiry":"2026-10-23","nearest_expiration_max_pain_distance_pct":-2.3901223070084803,"all_expiration_max_pain":170,"net_gamma_exposure":2556790.4127651267,"net_gamma_exposure_per_100k_open_interest":1939298.4069941267,"gamma_exposure_flip":173.3677418634143,"gamma_exposure_flip_distance_pct":-8.527545517848676,"call_wall":200,"call_wall_distance_pct":5.524192100531373,"put_wall":180,"put_wall_distance_pct":-5.028227109521764,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":515},"history_summary":{"first_date":"2020-12-01","last_date":"2026-10-16","session_count":1404,"trailing_window_sessions":252,"sessions_above_gamma_max_pct":1.5873015873015872,"gamma_max_cross_count":7,"delta_neutral_cross_count":12,"gamma_max_prior_sessions_closer_pct":67.46031746031747,"gamma_max_prior_comparison_sessions":252,"delta_neutral_prior_sessions_closer_pct":57.14285714285714,"delta_neutral_prior_comparison_sessions":252,"open_interest_percentile_1y":35.317460317460316,"open_interest_change_1d_contracts":-22154,"open_interest_change_z_252":-2.6321143147491246,"open_interest_change_z_comparison_sessions":252,"open_interest_change_5_sessions_pct":-12.305359150198548,"open_interest_change_21_sessions_pct":-19.710976322712657,"call_put_open_interest_changes":{"one_session":{"call_change_contracts":-13581,"put_change_contracts":-8573,"call_growth_pct":-14.907302723291219,"put_growth_pct":-13.631304458436686,"call_minus_put_growth_pp":-1.2759982648545325},"five_sessions":{"call_change_contracts":-11698,"put_change_contracts":-6802,"call_growth_pct":-13.11140999775835,"put_growth_pct":-11.128744621324913,"call_minus_put_growth_pp":-1.982665376433438},"call_change_surprise":{"z_score":-2.6115207020588356,"comparison_sessions":252},"put_change_surprise":{"z_score":-2.5095774732229073,"comparison_sessions":252},"call_minus_put_growth_surprise":{"z_score":-0.5162530762889743,"comparison_sessions":252}}},"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":42.192872471213825,"directional_score":-20.898687987979926,"catalyst_reasons":["25Δ risk reversal 14.1 pp"],"features":{"price":189.53,"totalOi":155191,"analysisCoverage":1,"avgIvPct":162,"ivRank":78.4,"iv52wHighPct":190.5,"iv52wLowPct":58.4,"frontDte":7,"termPremiumPp":0.2647,"riskReversalFrontPp":14.1,"riskReversal30dPp":0.22,"butterflyFrontPp":-4.61,"butterfly30dPp":-0.01,"putCallOiRatio":0.687,"putCallOiFrontRatio":0.423,"putCallVolumeFrontRatio":0.693,"optionVolume":5478,"volumeOiRatio":0.035298,"netDeltaNormalized":0.133413,"dealerDeltaNormalized":-0.123399,"gexPer100kOi":2963391.530437,"vannaPer100kOi":1743.013448,"charmPer100kOi":-430208.581683,"weekendDeltaShiftPer100kOi":-1290625.100682,"ivSurfaceRangePp":74.2,"gammaFlipDistancePct":15.26935,"maxPainDistancePct":-10.304437,"peakCallDistancePct":8.162296,"peakPutDistancePct":-5.028228},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/AEM.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":29,"completed_path_count":29,"latest_cross_date":"2026-08-19","horizons":[{"sessions":1,"sample_size":29,"median_return_pct":0.4405331255210143,"p25_return_pct":-1.079423509327293,"p75_return_pct":1.3150844514625337,"above_zero_pct":58.620689655172406,"median_interval_low_pct":-0.733438287581123,"median_interval_high_pct":0.9351922685632008,"median_interval_nominal_coverage_pct":93.85716542601585,"confidence_floor_pct":0},{"sessions":3,"sample_size":29,"median_return_pct":0.6387890561175835,"p25_return_pct":-2.0224639966799685,"p75_return_pct":2.8316148233197946,"above_zero_pct":58.620689655172406,"median_interval_low_pct":-1.376144231271148,"median_interval_high_pct":2.457477761373461,"median_interval_nominal_coverage_pct":93.85716542601585,"confidence_floor_pct":0},{"sessions":5,"sample_size":29,"median_return_pct":0.9219584064619646,"p25_return_pct":-2.034457199253681,"p75_return_pct":3.0274183905740104,"above_zero_pct":62.06896551724138,"median_interval_low_pct":-1.5305312834062557,"median_interval_high_pct":2.575786022623028,"median_interval_nominal_coverage_pct":93.85716542601585,"confidence_floor_pct":0},{"sessions":10,"sample_size":29,"median_return_pct":0.19633957571851823,"p25_return_pct":-3.2107077118065597,"p75_return_pct":3.1541818262189825,"above_zero_pct":55.172413793103445,"median_interval_low_pct":-0.9908111217636129,"median_interval_high_pct":3.011690947097012,"median_interval_nominal_coverage_pct":93.85716542601585,"confidence_floor_pct":0}]},{"direction":"below","event_count":30,"completed_path_count":30,"latest_cross_date":"2026-08-21","horizons":[{"sessions":1,"sample_size":30,"median_return_pct":-0.16571179638573685,"p25_return_pct":-0.9445916169766755,"p75_return_pct":0.8822596702744601,"above_zero_pct":43.333333333333336,"median_interval_low_pct":-0.7180841471582267,"median_interval_high_pct":0.5843498429133787,"median_interval_nominal_coverage_pct":90.1262853294611,"confidence_floor_pct":0},{"sessions":3,"sample_size":30,"median_return_pct":-0.43565304810654903,"p25_return_pct":-2.6528462722151867,"p75_return_pct":2.0772302492845505,"above_zero_pct":36.666666666666664,"median_interval_low_pct":-1.3829842247781832,"median_interval_high_pct":0.08854276761580682,"median_interval_nominal_coverage_pct":90.1262853294611,"confidence_floor_pct":0},{"sessions":5,"sample_size":30,"median_return_pct":-0.5556460029483345,"p25_return_pct":-3.020306444572593,"p75_return_pct":2.342359122866627,"above_zero_pct":36.666666666666664,"median_interval_low_pct":-2.4849803944710147,"median_interval_high_pct":0.7479990887413468,"median_interval_nominal_coverage_pct":90.1262853294611,"confidence_floor_pct":0},{"sessions":10,"sample_size":30,"median_return_pct":2.985156549460688,"p25_return_pct":-2.888638199975499,"p75_return_pct":4.8815597473316155,"above_zero_pct":63.33333333333333,"median_interval_low_pct":-0.01016787226920668,"median_interval_high_pct":4.395612073214705,"median_interval_nominal_coverage_pct":90.1262853294611,"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."}