{"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/COLB","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/COLB.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/COLB.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":"COLB","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":28.920000076293945,"previous_close":28.729999542236328,"delta_neutral":24.928290059038986,"gamma_neutral":14.126210357602718,"gamma_max":32.090384908610446,"total_open_interest":5412,"previous_open_interest":5365,"listed_contracts":32,"listed_calls":16,"listed_puts":19,"gamma_max_distance_pct":10.962603125700893,"delta_neutral_distance_pct":-13.802593384247636,"gamma_neutral_distance_pct":-51.15418284807636,"open_interest_change_1d_pct":0.8760484622553587,"call_open_interest":4557,"put_open_interest":855,"put_call_open_interest_ratio":0.18762343647136273,"nearest_expiration_max_pain":30,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":3.7344395603627367,"all_expiration_max_pain":30,"net_gamma_exposure":565193.7156122836,"net_gamma_exposure_per_100k_open_interest":10443342.860537391,"gamma_exposure_flip":14.126210357602718,"gamma_exposure_flip_distance_pct":-51.15418284807636,"call_wall":35,"call_wall_distance_pct":21.023512820423193,"put_wall":30,"put_wall_distance_pct":3.7344395603627367,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2527},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.9444,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"COLB","price":28.92,"totalOi":5412,"analysisCoverage":0.9444,"avgIvPct":50,"ivRank":9.8,"iv52wHighPct":80.46,"iv52wLowPct":46.7,"frontDte":14,"frontAtmIvPct":31.7594,"backAtmIvPct":28.1116,"termPremiumPp":3.6478,"expectedMoveFrontPct":6.22,"straddleFrontPct":5.71,"straddle30dPct":5.71,"riskReversalFrontPp":-60.8,"riskReversal30dPp":-60.8,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.188,"putCallOiFrontRatio":2.377,"putCallVolumeFrontRatio":0,"optionVolume":57,"volumeOiRatio":0.010532,"netDeltaNormalized":0.187413,"dealerDeltaNormalized":-0.184435,"gexPer100kOi":3030407.243163,"vannaPer100kOi":4453.067258,"charmPer100kOi":-110772.357724,"weekendDeltaShiftPer100kOi":-332317.073171,"ivSurfaceRangePp":29.4,"gammaFlipDistancePct":-9.993084,"maxPainDistancePct":3.73444,"peakCallDistancePct":21.023513,"peakPutDistancePct":null},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/COLB.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."}