{"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/GMED","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/GMED.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/GMED.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":"GMED","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":75.5999984741211,"previous_close":74.41000366210938,"delta_neutral":71.6884870063948,"gamma_neutral":60.85200311858803,"gamma_max":79.16744107866448,"total_open_interest":3636,"previous_open_interest":3597,"listed_contracts":99,"listed_calls":63,"listed_puts":44,"gamma_max_distance_pct":4.718839519242281,"delta_neutral_distance_pct":-5.173957072320925,"gamma_neutral_distance_pct":-19.50793075820167,"open_interest_change_1d_pct":1.084236864053378,"call_open_interest":2737,"put_open_interest":899,"put_call_open_interest_ratio":0.32846181951041287,"nearest_expiration_max_pain":75,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-0.7936487913111288,"all_expiration_max_pain":77.5,"net_gamma_exposure":606867.8455871117,"net_gamma_exposure_per_100k_open_interest":16690534.807126284,"gamma_exposure_flip":60.85200311858803,"gamma_exposure_flip_distance_pct":-19.50793075820167,"call_wall":80,"call_wall_distance_pct":5.820107955934796,"put_wall":75,"put_wall_distance_pct":-0.7936487913111288,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2778},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"GMED","price":75.6,"totalOi":3636,"analysisCoverage":1,"avgIvPct":48.1,"ivRank":8.9,"iv52wHighPct":95.02,"iv52wLowPct":43.5,"frontDte":14,"frontAtmIvPct":28.1342,"backAtmIvPct":40.175,"termPremiumPp":-12.0408,"expectedMoveFrontPct":5.51,"straddleFrontPct":4.63,"straddle30dPct":4.63,"riskReversalFrontPp":134.85,"riskReversal30dPp":134.85,"butterflyFrontPp":8.27,"butterfly30dPp":8.27,"putCallOiRatio":0.328,"putCallOiFrontRatio":0.257,"putCallVolumeFrontRatio":0.889,"optionVolume":54,"volumeOiRatio":0.014851,"netDeltaNormalized":0.136502,"dealerDeltaNormalized":-0.136502,"gexPer100kOi":11919915.841584,"vannaPer100kOi":2255.225523,"charmPer100kOi":-753492.849285,"weekendDeltaShiftPer100kOi":-2260478.547855,"ivSurfaceRangePp":140.2,"gammaFlipDistancePct":0.026455,"maxPainDistancePct":2.513228,"peakCallDistancePct":2.513228,"peakPutDistancePct":-0.793651},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/GMED.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."}