{"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/IART","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/IART.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/IART.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":"IART","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":13.210000038146973,"previous_close":13.529999732971191,"delta_neutral":8.418616382891484,"gamma_neutral":3.20085448325286,"gamma_max":16.23286364189723,"total_open_interest":1440,"previous_open_interest":1426,"listed_contracts":28,"listed_calls":20,"listed_puts":12,"gamma_max_distance_pct":22.88314606374738,"delta_neutral_distance_pct":-36.27088297819262,"gamma_neutral_distance_pct":-75.76945894012384,"open_interest_change_1d_pct":0.9817671809256662,"call_open_interest":1251,"put_open_interest":189,"put_call_open_interest_ratio":0.1510791366906475,"nearest_expiration_max_pain":12.5,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":-5.374716397401068,"all_expiration_max_pain":12.5,"net_gamma_exposure":61581.92948736985,"net_gamma_exposure_per_100k_open_interest":4276522.8810673505,"gamma_exposure_flip":3.20085448325286,"gamma_exposure_flip_distance_pct":-75.76945894012384,"call_wall":12.5,"call_wall_distance_pct":-5.374716397401068,"put_wall":10,"put_wall_distance_pct":-24.299773117920854,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":3298},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":0.8333,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":13.21,"totalOi":1524,"analysisCoverage":0.8333,"avgIvPct":548.1,"ivRank":100,"iv52wHighPct":548.1,"iv52wLowPct":65.1,"frontDte":null,"termPremiumPp":null,"riskReversalFrontPp":-23.67,"riskReversal30dPp":-23.67,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.188,"putCallOiFrontRatio":1.54,"putCallVolumeFrontRatio":0,"optionVolume":2,"volumeOiRatio":0.001312,"netDeltaNormalized":0.212329,"dealerDeltaNormalized":-0.212329,"gexPer100kOi":567278.871391,"vannaPer100kOi":1771.653543,"charmPer100kOi":0,"weekendDeltaShiftPer100kOi":0,"ivSurfaceRangePp":22.6,"gammaFlipDistancePct":-18.849357,"maxPainDistancePct":-5.374716,"peakCallDistancePct":-5.374716,"peakPutDistancePct":-24.299773},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/IART.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."}