{"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/RIO","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/RIO.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/RIO.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":"RIO","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":90.31999969482422,"previous_close":90.20999908447266,"delta_neutral":90.98213453673344,"gamma_neutral":92.92321278329999,"gamma_max":111.33985743126959,"total_open_interest":97826,"previous_open_interest":127431,"listed_contracts":321,"listed_calls":191,"listed_puts":162,"gamma_max_distance_pct":23.272650362564068,"delta_neutral_distance_pct":0.7330988088424064,"gamma_neutral_distance_pct":2.882211135154539,"open_interest_change_1d_pct":-23.232180552612785,"call_open_interest":53625,"put_open_interest":44201,"put_call_open_interest_ratio":0.8242610722610723,"nearest_expiration_max_pain":95,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":5.181576971865256,"all_expiration_max_pain":90,"net_gamma_exposure":-1159540.5000794136,"net_gamma_exposure_per_100k_open_interest":-1185309.120355952,"gamma_exposure_flip":92.92321278329999,"gamma_exposure_flip_distance_pct":2.882211135154539,"call_wall":100,"call_wall_distance_pct":10.71744944406869,"put_wall":90,"put_wall_distance_pct":-0.35429550033817847,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":624},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":90.32,"totalOi":127577,"analysisCoverage":1,"avgIvPct":180.8,"ivRank":100,"iv52wHighPct":180.8,"iv52wLowPct":39.5,"frontDte":35,"termPremiumPp":-0.4864,"riskReversalFrontPp":2.32,"riskReversal30dPp":2.32,"butterflyFrontPp":2.66,"butterfly30dPp":2.66,"putCallOiRatio":0.784,"putCallOiFrontRatio":1.831,"putCallVolumeFrontRatio":0.556,"optionVolume":2756,"volumeOiRatio":0.021603,"netDeltaNormalized":-0.007543,"dealerDeltaNormalized":0.007512,"gexPer100kOi":-4515990.444986,"vannaPer100kOi":2724.629048,"charmPer100kOi":59180.730069,"weekendDeltaShiftPer100kOi":177542.974047,"ivSurfaceRangePp":18.1,"gammaFlipDistancePct":null,"maxPainDistancePct":2.41364,"peakCallDistancePct":5.181577,"peakPutDistancePct":-0.354296},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/RIO.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."}