{"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/MS","markdown_url":"https://halfonadouble.com/stock/MS.md","history_url":"https://halfonadouble.com/api/v1/history/MS.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/MS.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":"MS","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":190.32000732421875,"previous_close":188,"delta_neutral":197.05368286622985,"gamma_neutral":199.97868837400839,"gamma_max":226.38035207339135,"total_open_interest":371385,"previous_open_interest":376733,"listed_contracts":778,"listed_calls":495,"listed_puts":424,"gamma_max_distance_pct":18.947216982680214,"delta_neutral_distance_pct":3.5380807497237945,"gamma_neutral_distance_pct":5.074968830437062,"open_interest_change_1d_pct":-1.4195730132481095,"call_open_interest":145314,"put_open_interest":226071,"put_call_open_interest_ratio":1.5557413600891863,"nearest_expiration_max_pain":190,"nearest_expiration_max_pain_expiry":"2026-10-09","nearest_expiration_max_pain_distance_pct":-0.16814171495569724,"all_expiration_max_pain":190,"net_gamma_exposure":-9840719.239972306,"net_gamma_exposure_per_100k_open_interest":-2649735.245088603,"gamma_exposure_flip":199.97868837400839,"gamma_exposure_flip_distance_pct":5.074968830437062,"call_wall":200,"call_wall_distance_pct":5.086166615836108,"put_wall":190,"put_wall_distance_pct":-0.16814171495569724,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":261},"history_summary":{"first_date":"2020-12-01","last_date":"2026-10-02","session_count":1394,"trailing_window_sessions":252,"sessions_above_gamma_max_pct":4.365079365079365,"gamma_max_cross_count":14,"delta_neutral_cross_count":9,"gamma_max_prior_sessions_closer_pct":98.01587301587301,"gamma_max_prior_comparison_sessions":252,"delta_neutral_prior_sessions_closer_pct":19.444444444444446,"delta_neutral_prior_comparison_sessions":252,"open_interest_percentile_1y":35.714285714285715,"open_interest_change_1d_contracts":-5348,"open_interest_change_z_252":-0.23145300206711886,"open_interest_change_z_comparison_sessions":252,"open_interest_change_5_sessions_pct":7.802812158929939,"open_interest_change_21_sessions_pct":-2.676631752179644,"call_put_open_interest_changes":{"one_session":{"call_change_contracts":-2155,"put_change_contracts":-3193,"call_growth_pct":-1.461324074890316,"put_growth_pct":-1.3927175657756996,"call_minus_put_growth_pp":-0.06860650911461641},"five_sessions":{"call_change_contracts":14801,"put_change_contracts":12080,"call_growth_pct":11.340632733903902,"put_growth_pct":5.645097223715016,"call_minus_put_growth_pp":5.695535510188886},"call_change_surprise":{"z_score":-0.20504055941408322,"comparison_sessions":252},"put_change_surprise":{"z_score":-0.2433261975274747,"comparison_sessions":252},"call_minus_put_growth_surprise":{"z_score":-0.03726877882375349,"comparison_sessions":252}}},"advanced_options":{"data_through":"2026-10-02","analysis_coverage":1,"catalyst_score":45.822296029392284,"directional_score":-23.149606299212593,"catalyst_reasons":["IV rank 98"],"features":{"symbol":"MS","price":190.32,"totalOi":386432,"analysisCoverage":1,"avgIvPct":85.2,"ivRank":98,"iv52wHighPct":86.1,"iv52wLowPct":40.2,"frontDte":7,"frontAtmIvPct":31.0503,"backAtmIvPct":32.6149,"termPremiumPp":-1.5646,"expectedMoveFrontPct":4.3,"straddleFrontPct":3.19,"straddle30dPct":7.42,"riskReversalFrontPp":0.26,"riskReversal30dPp":4.06,"butterflyFrontPp":5.94,"butterfly30dPp":3.46,"putCallOiRatio":1.505,"putCallOiFrontRatio":0.761,"putCallVolumeFrontRatio":1.043,"optionVolume":16888,"volumeOiRatio":0.043702,"netDeltaNormalized":-0.004734,"dealerDeltaNormalized":0.004672,"gexPer100kOi":-2681128.387401,"vannaPer100kOi":3761.593243,"charmPer100kOi":410379.57519,"weekendDeltaShiftPer100kOi":1231138.984349,"ivSurfaceRangePp":84.4,"gammaFlipDistancePct":null,"maxPainDistancePct":-0.168138,"peakCallDistancePct":2.459016,"peakPutDistancePct":-15.931063},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/MS.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":42,"completed_path_count":42,"latest_cross_date":"2026-06-15","horizons":[{"sessions":1,"sample_size":42,"median_return_pct":0.3446240332444228,"p25_return_pct":-0.4212305544987832,"p75_return_pct":1.0100346815629935,"above_zero_pct":61.904761904761905,"median_interval_low_pct":-0.04967499535954989,"median_interval_high_pct":0.6734965235573931,"median_interval_nominal_coverage_pct":91.15704530122457,"confidence_floor_pct":0},{"sessions":3,"sample_size":42,"median_return_pct":0.241163765985708,"p25_return_pct":-1.0211804111800977,"p75_return_pct":1.7945683567051396,"above_zero_pct":52.38095238095239,"median_interval_low_pct":-0.6103624184564449,"median_interval_high_pct":0.9666050577421537,"median_interval_nominal_coverage_pct":91.15704530122457,"confidence_floor_pct":0},{"sessions":5,"sample_size":42,"median_return_pct":0.6040952789295062,"p25_return_pct":-1.2302955125627153,"p75_return_pct":2.69798704470296,"above_zero_pct":64.28571428571429,"median_interval_low_pct":0.016089867677804293,"median_interval_high_pct":1.6962377610381996,"median_interval_nominal_coverage_pct":91.15704530122457,"confidence_floor_pct":0.016089867677804293},{"sessions":10,"sample_size":42,"median_return_pct":0.20481003043927304,"p25_return_pct":-1.544659918649152,"p75_return_pct":2.362154933344862,"above_zero_pct":52.38095238095239,"median_interval_low_pct":-1.261537992037265,"median_interval_high_pct":1.1071773491551085,"median_interval_nominal_coverage_pct":91.15704530122457,"confidence_floor_pct":0}]},{"direction":"below","event_count":42,"completed_path_count":42,"latest_cross_date":"2026-06-16","horizons":[{"sessions":1,"sample_size":42,"median_return_pct":0.11803933684287893,"p25_return_pct":-0.4385788860161388,"p75_return_pct":0.8366739875376006,"above_zero_pct":52.38095238095239,"median_interval_low_pct":-0.29183854050003344,"median_interval_high_pct":0.5002833052572653,"median_interval_nominal_coverage_pct":91.15704530122457,"confidence_floor_pct":0},{"sessions":3,"sample_size":42,"median_return_pct":-0.3293835146003232,"p25_return_pct":-1.3268049946043414,"p75_return_pct":1.7947326089435167,"above_zero_pct":47.61904761904761,"median_interval_low_pct":-0.7616472307756306,"median_interval_high_pct":1.1286170410983898,"median_interval_nominal_coverage_pct":91.15704530122457,"confidence_floor_pct":0},{"sessions":5,"sample_size":42,"median_return_pct":0.43851820170924816,"p25_return_pct":-1.2523516930878331,"p75_return_pct":2.5498292694136726,"above_zero_pct":57.14285714285714,"median_interval_low_pct":-0.22605849543025913,"median_interval_high_pct":1.5479604114444712,"median_interval_nominal_coverage_pct":91.15704530122457,"confidence_floor_pct":0},{"sessions":10,"sample_size":42,"median_return_pct":0.04598751185235783,"p25_return_pct":-2.592978466298818,"p75_return_pct":3.908460087898363,"above_zero_pct":50,"median_interval_low_pct":-1.4508206310350324,"median_interval_high_pct":2.331365926774298,"median_interval_nominal_coverage_pct":91.15704530122457,"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."}