{"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/GALT","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/GALT.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/GALT.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":"GALT","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":3.9000000953674316,"previous_close":3.759999990463257,"delta_neutral":3.4666800729864695,"gamma_neutral":2.047911953512412,"gamma_max":4.503561208806463,"total_open_interest":18271,"previous_open_interest":18127,"listed_contracts":25,"listed_calls":17,"listed_puts":12,"gamma_max_distance_pct":15.47592560718048,"delta_neutral_distance_pct":-11.110769532946323,"gamma_neutral_distance_pct":-47.48943837347595,"open_interest_change_1d_pct":0.7943951012302091,"call_open_interest":11687,"put_open_interest":6584,"put_call_open_interest_ratio":0.5633609994010439,"nearest_expiration_max_pain":5,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":28.20512507010423,"all_expiration_max_pain":5,"net_gamma_exposure":375999.6336580062,"net_gamma_exposure_per_100k_open_interest":2057903.9661649948,"gamma_exposure_flip":2.047911953512412,"gamma_exposure_flip_distance_pct":-47.48943837347595,"call_wall":5,"call_wall_distance_pct":28.20512507010423,"put_wall":5,"put_wall_distance_pct":28.20512507010423,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1638},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.7778,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"GALT","price":3.9,"totalOi":18271,"analysisCoverage":0.7778,"avgIvPct":195.2,"ivRank":20,"iv52wHighPct":423.7,"iv52wLowPct":138.2,"frontDte":null,"frontAtmIvPct":null,"backAtmIvPct":null,"termPremiumPp":null,"expectedMoveFrontPct":null,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":-38.93,"riskReversal30dPp":-38.93,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.563,"putCallOiFrontRatio":0.581,"putCallVolumeFrontRatio":0,"optionVolume":8,"volumeOiRatio":0.000438,"netDeltaNormalized":0.124585,"dealerDeltaNormalized":-0.124585,"gexPer100kOi":81660.226589,"vannaPer100kOi":3234.63412,"charmPer100kOi":-1576.268403,"weekendDeltaShiftPer100kOi":-4734.278365,"ivSurfaceRangePp":10.7,"gammaFlipDistancePct":-5.128205,"maxPainDistancePct":28.205128,"peakCallDistancePct":92.307692,"peakPutDistancePct":-35.897436},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/GALT.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":[],"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."}