{"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/GSL","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/GSL.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/GSL.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":"GSL","page_tier":"B","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":41.31999969482422,"previous_close":42,"delta_neutral":40.349133143558106,"gamma_neutral":37.00391770240596,"gamma_max":46.02346796405369,"total_open_interest":7883,"previous_open_interest":9954,"listed_contracts":94,"listed_calls":51,"listed_puts":47,"gamma_max_distance_pct":11.383030745323623,"delta_neutral_distance_pct":-2.3496286506210318,"gamma_neutral_distance_pct":-10.44550344698792,"open_interest_change_1d_pct":-20.805706248744222,"call_open_interest":5243,"put_open_interest":2640,"put_call_open_interest_ratio":0.5035285142094221,"nearest_expiration_max_pain":45,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":8.906099545873767,"all_expiration_max_pain":42,"net_gamma_exposure":488618.2299718062,"net_gamma_exposure_per_100k_open_interest":6198379.170008959,"gamma_exposure_flip":37.00391770240596,"gamma_exposure_flip_distance_pct":-10.44550344698792,"call_wall":45,"call_wall_distance_pct":8.906099545873767,"put_wall":44,"put_wall_distance_pct":6.485964000409905,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2140},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":41.32,"totalOi":9793,"analysisCoverage":1,"avgIvPct":215.8,"ivRank":100,"iv52wHighPct":215.8,"iv52wLowPct":28,"frontDte":35,"termPremiumPp":3.5862,"riskReversalFrontPp":5.41,"riskReversal30dPp":5.41,"butterflyFrontPp":18.61,"butterfly30dPp":18.61,"putCallOiRatio":0.487,"putCallOiFrontRatio":1.647,"putCallVolumeFrontRatio":3.545,"optionVolume":534,"volumeOiRatio":0.054529,"netDeltaNormalized":0.051247,"dealerDeltaNormalized":-0.051241,"gexPer100kOi":2707665.271112,"vannaPer100kOi":2614.112121,"charmPer100kOi":68824.670683,"weekendDeltaShiftPer100kOi":206463.800674,"ivSurfaceRangePp":199.3,"gammaFlipDistancePct":6.921588,"maxPainDistancePct":1.645692,"peakCallDistancePct":4.065828,"peakPutDistancePct":1.645692},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/GSL.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":[],"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."}