{"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/GLXY","markdown_url":"https://halfonadouble.com/stock/GLXY.md","history_url":"https://halfonadouble.com/api/v1/history/GLXY.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/GLXY.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":"GLXY","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":16.139999389648438,"previous_close":18.25,"delta_neutral":18.465468489800067,"gamma_neutral":12.346532188303879,"gamma_max":26.119930774776794,"total_open_interest":281138,"previous_open_interest":363539,"listed_contracts":372,"listed_calls":213,"listed_puts":178,"gamma_max_distance_pct":61.8335301272012,"delta_neutral_distance_pct":14.408111450382668,"gamma_neutral_distance_pct":-23.503515147451242,"open_interest_change_1d_pct":-22.66634391358286,"call_open_interest":180293,"put_open_interest":100845,"put_call_open_interest_ratio":0.5593395195598276,"nearest_expiration_max_pain":20,"nearest_expiration_max_pain_expiry":"2026-10-23","nearest_expiration_max_pain_distance_pct":23.91574198464478,"all_expiration_max_pain":20,"net_gamma_exposure":358960.71108538576,"net_gamma_exposure_per_100k_open_interest":127681.32059180395,"gamma_exposure_flip":12.346532188303879,"gamma_exposure_flip_distance_pct":-23.503515147451242,"call_wall":30,"call_wall_distance_pct":85.87361297696717,"put_wall":20,"put_wall_distance_pct":23.91574198464478,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":303},"history_summary":{"first_date":"2025-05-23","last_date":"2026-10-16","session_count":353,"trailing_window_sessions":252,"sessions_above_gamma_max_pct":0.3968253968253968,"gamma_max_cross_count":2,"delta_neutral_cross_count":33,"gamma_max_prior_sessions_closer_pct":99.60317460317461,"gamma_max_prior_comparison_sessions":252,"delta_neutral_prior_sessions_closer_pct":73.4126984126984,"delta_neutral_prior_comparison_sessions":252,"open_interest_percentile_1y":16.26984126984127,"open_interest_change_1d_contracts":-82401,"open_interest_change_z_252":-2.6782825214393915,"open_interest_change_z_comparison_sessions":252,"open_interest_change_5_sessions_pct":-10.876877086311893,"open_interest_change_21_sessions_pct":-36.20388397983126,"call_put_open_interest_changes":{"one_session":{"call_change_contracts":-53060,"put_change_contracts":-29341,"call_growth_pct":-22.738083504390342,"put_growth_pct":-22.537753675510423,"call_minus_put_growth_pp":-0.20032982887991935},"five_sessions":{"call_change_contracts":-32364,"put_change_contracts":-1947,"call_growth_pct":-15.218873585162962,"put_growth_pct":-1.894116273639972,"call_minus_put_growth_pp":-13.32475731152299},"call_change_surprise":{"z_score":-3.0802537364515423,"comparison_sessions":252},"put_change_surprise":{"z_score":-1.6985630374690037,"comparison_sessions":252},"call_minus_put_growth_surprise":{"z_score":0.03287717980220256,"comparison_sessions":252}}},"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":63.174424962975635,"directional_score":21.793351399211186,"catalyst_reasons":["volume/OI 0.10","IV rank 100"],"features":{"price":16.14,"totalOi":367066,"analysisCoverage":1,"avgIvPct":678.5,"ivRank":100,"iv52wHighPct":678.5,"iv52wLowPct":104.59,"frontDte":7,"termPremiumPp":4.7623,"riskReversalFrontPp":-9.83,"riskReversal30dPp":-31.93,"butterflyFrontPp":0.94,"butterfly30dPp":0.94,"putCallOiRatio":0.52,"putCallOiFrontRatio":1.369,"putCallVolumeFrontRatio":0.965,"optionVolume":36565,"volumeOiRatio":0.099614,"netDeltaNormalized":-0.098806,"dealerDeltaNormalized":0.098796,"gexPer100kOi":61786.433502,"vannaPer100kOi":2498.460767,"charmPer100kOi":524035.731994,"weekendDeltaShiftPer100kOi":1572107.468412,"ivSurfaceRangePp":99.7,"gammaFlipDistancePct":115.11772,"maxPainDistancePct":23.915737,"peakCallDistancePct":23.915737,"peakPutDistancePct":23.915737},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/GLXY.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":2,"completed_path_count":2,"latest_cross_date":"2026-01-15","horizons":[{"sessions":1,"sample_size":2,"median_return_pct":7.0985573980374745,"p25_return_pct":7.021700400319758,"p75_return_pct":7.175414395755192,"above_zero_pct":100,"median_interval_low_pct":null,"median_interval_high_pct":null,"median_interval_nominal_coverage_pct":null,"confidence_floor_pct":null},{"sessions":3,"sample_size":2,"median_return_pct":7.086793627050947,"p25_return_pct":4.2623730484621705,"p75_return_pct":9.911214205639723,"above_zero_pct":100,"median_interval_low_pct":null,"median_interval_high_pct":null,"median_interval_nominal_coverage_pct":null,"confidence_floor_pct":null},{"sessions":5,"sample_size":2,"median_return_pct":13.578579026153292,"p25_return_pct":6.648620314527376,"p75_return_pct":20.50853773777921,"above_zero_pct":50,"median_interval_low_pct":null,"median_interval_high_pct":null,"median_interval_nominal_coverage_pct":null,"confidence_floor_pct":null},{"sessions":10,"sample_size":2,"median_return_pct":3.5154037553586104,"p25_return_pct":-4.072244306946678,"p75_return_pct":11.1030518176639,"above_zero_pct":50,"median_interval_low_pct":null,"median_interval_high_pct":null,"median_interval_nominal_coverage_pct":null,"confidence_floor_pct":null}]},{"direction":"below","event_count":2,"completed_path_count":2,"latest_cross_date":"2026-01-16","horizons":[{"sessions":1,"sample_size":2,"median_return_pct":-4.838814971609295,"p25_return_pct":-5.64004696512907,"p75_return_pct":-4.037582978089521,"above_zero_pct":0,"median_interval_low_pct":null,"median_interval_high_pct":null,"median_interval_nominal_coverage_pct":null,"confidence_floor_pct":null},{"sessions":3,"sample_size":2,"median_return_pct":-7.702593841505927,"p25_return_pct":-8.791549268915285,"p75_return_pct":-6.61363841409657,"above_zero_pct":0,"median_interval_low_pct":null,"median_interval_high_pct":null,"median_interval_nominal_coverage_pct":null,"confidence_floor_pct":null},{"sessions":5,"sample_size":2,"median_return_pct":-10.479697908918961,"p25_return_pct":-11.30392377190832,"p75_return_pct":-9.655472045929603,"above_zero_pct":0,"median_interval_low_pct":null,"median_interval_high_pct":null,"median_interval_nominal_coverage_pct":null,"confidence_floor_pct":null},{"sessions":10,"sample_size":2,"median_return_pct":-16.061963604905237,"p25_return_pct":-19.499942053442123,"p75_return_pct":-12.623985156368356,"above_zero_pct":0,"median_interval_low_pct":null,"median_interval_high_pct":null,"median_interval_nominal_coverage_pct":null,"confidence_floor_pct":null}]}],"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."}