{"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/PROK","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/PROK.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/PROK.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":"PROK","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":1.7200000286102295,"previous_close":1.7100000381469727,"delta_neutral":0.3077724914311286,"gamma_neutral":1.295000021457672,"gamma_max":0.5,"total_open_interest":10607,"previous_open_interest":10513,"listed_contracts":24,"listed_calls":25,"listed_puts":15,"gamma_max_distance_pct":-70.9302330416818,"delta_neutral_distance_pct":-82.10625079583221,"gamma_neutral_distance_pct":-24.709302330416826,"open_interest_change_1d_pct":0.8941310758109007,"call_open_interest":9954,"put_open_interest":653,"put_call_open_interest_ratio":0.0656017681334137,"nearest_expiration_max_pain":2,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":16.27906783327278,"all_expiration_max_pain":1,"net_gamma_exposure":106925.48697394661,"net_gamma_exposure_per_100k_open_interest":1008065.3056844217,"gamma_exposure_flip":1.295000021457672,"gamma_exposure_flip_distance_pct":-24.709302330416826,"call_wall":4,"call_wall_distance_pct":132.55813566654558,"put_wall":3,"put_wall_distance_pct":74.41860174990917,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2041},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.7778,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"PROK","price":1.72,"totalOi":10607,"analysisCoverage":0.7778,"avgIvPct":328,"ivRank":64.7,"iv52wHighPct":425.8,"iv52wLowPct":149.09,"frontDte":null,"frontAtmIvPct":null,"backAtmIvPct":null,"termPremiumPp":null,"expectedMoveFrontPct":null,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":-32.99,"riskReversal30dPp":-32.99,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.066,"putCallOiFrontRatio":0.104,"putCallVolumeFrontRatio":0,"optionVolume":0,"volumeOiRatio":0,"netDeltaNormalized":0.73946,"dealerDeltaNormalized":-0.738275,"gexPer100kOi":18904.591308,"vannaPer100kOi":-1791.269916,"charmPer100kOi":-57075.516169,"weekendDeltaShiftPer100kOi":-171235.976242,"ivSurfaceRangePp":88.7,"gammaFlipDistancePct":-70.930233,"maxPainDistancePct":-41.860465,"peakCallDistancePct":null,"peakPutDistancePct":null},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/PROK.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."}