{"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/CTAS","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/CTAS.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/CTAS.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":"CTAS","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":213.69000244140625,"previous_close":213.05999755859375,"delta_neutral":189.4369941266527,"gamma_neutral":186.8031259863434,"gamma_max":218.3755425386502,"total_open_interest":28870,"previous_open_interest":31700,"listed_contracts":375,"listed_calls":230,"listed_puts":199,"gamma_max_distance_pct":2.1926810069313927,"delta_neutral_distance_pct":-11.349622367758506,"gamma_neutral_distance_pct":-12.58218734984349,"open_interest_change_1d_pct":-8.927444794952681,"call_open_interest":15791,"put_open_interest":13079,"put_call_open_interest_ratio":0.82825660186182,"nearest_expiration_max_pain":200,"nearest_expiration_max_pain_expiry":"2026-10-23","nearest_expiration_max_pain_distance_pct":-6.406477741119426,"all_expiration_max_pain":190,"net_gamma_exposure":2304970.408641204,"net_gamma_exposure_per_100k_open_interest":7983964.006377568,"gamma_exposure_flip":186.8031259863434,"gamma_exposure_flip_distance_pct":-12.58218734984349,"call_wall":210,"call_wall_distance_pct":-1.7268016281753975,"put_wall":195,"put_wall_distance_pct":-8.746315797591441,"gamma_max_cross_direction":"below","delta_neutral_cross_direction":null,"open_interest_rank":1236},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":213.69,"totalOi":31576,"analysisCoverage":1,"avgIvPct":118.4,"ivRank":100,"iv52wHighPct":118.4,"iv52wLowPct":32.3,"frontDte":7,"termPremiumPp":0.1203,"riskReversalFrontPp":12.69,"riskReversal30dPp":12.69,"butterflyFrontPp":2.57,"butterfly30dPp":-2.52,"putCallOiRatio":0.832,"putCallOiFrontRatio":0.721,"putCallVolumeFrontRatio":3.222,"optionVolume":2200,"volumeOiRatio":0.069673,"netDeltaNormalized":0.245464,"dealerDeltaNormalized":-0.239105,"gexPer100kOi":21164640.07474,"vannaPer100kOi":2432.227008,"charmPer100kOi":-295772.105397,"weekendDeltaShiftPer100kOi":-887316.31619,"ivSurfaceRangePp":160.8,"gammaFlipDistancePct":-2.484908,"maxPainDistancePct":-11.086153,"peakCallDistancePct":7.632552,"peakPutDistancePct":0.613038},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/CTAS.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."}