{
  "research_date_singapore": "2026-10-06",
  "source_check_date_utc": "2026-10-05",
  "status": "free_public_research_supplement",
  "question": "How do efficiency, billable GPU-hours, hedge resizing and margin cash timing interact for a compute customer?",
  "existing_work_boundary": "The Claude task-economics study already treats accepted work, billing, contribution and demand. This supplement adds quantity mismatch, retained cash history of resizing and sampled variation-margin liquidity; it does not replace that study.",
  "sources": [
    {
      "id": "epoch_performance_cost",
      "url": "https://epoch.ai/publications/the-plunging-price-of-thought",
      "publication_date": "2026-09-22",
      "read_scope": "Overview, measurement/data discussion and frontier definitions; not a reproduction of the dataset or fitted results",
      "supports": "A cost-performance frontier is distinct from a per-token tariff or GPU rental series. Authors identify benchmark/useful-work and switching limitations.",
      "does_not_supply": "Our GPU-hour efficiency change, workload, elasticity, rental prices or hedge ratio. No headline decline estimate used in the model."
    },
    {
      "id": "cme_published_design",
      "url": "https://www.cmegroup.com/markets/energy/power/compute-futures.html",
      "supports": "Published H100/B200 financial-settlement design, 730 GPU-hour standardized unit and non-hyperscaler rental benchmarks; page still states pending regulatory review.",
      "does_not_supply": "Executed trade, final operative rulebook, settlement averaging rule, available depth or margin requirement."
    },
    {
      "id": "cme_postponement",
      "url": "https://www.cmegroup.com/notices/electronic-trading/2026/09/20260928.html",
      "publication_date": "2026-09-28",
      "supports": "Original October 4 opening was postponed pending regulatory review; earlier notice associated it with October 5 trade date.",
      "does_not_supply": "Replacement launch date, permanent cancellation or regulatory rejection."
    },
    {
      "id": "cme_cash_mark_to_market",
      "url": "https://www.cmegroup.com/education/articles-and-reports/money-calculations-for-futures-and-options",
      "read_scope": "Public HTML introduction, not linked full-report PDF",
      "supports": "General futures mark-to-market amounts are settled in cash as settlement variation.",
      "does_not_supply": "The three-date simulation or actual compute-product settlement times."
    },
    {
      "id": "cme_clearing_safeguards",
      "url": "https://www.cmegroup.com/solutions/risk-management/financial-safeguards.html",
      "supports": "General clearing distinction between settlement variation and initial margin; repeated clearing cycles.",
      "does_not_supply": "An individual customer's exact broker cash terms, our collateral assumption or sequence of receipts and invoice payment."
    },
    {
      "id": "cme_performance_bond_practices",
      "url": "https://www.cmegroup.com/articles/brochures-and-handbooks/101-overview-cme-clearing-performance-bond-practices.html",
      "supports": "Performance-bond requirements vary across products/portfolios and over time.",
      "does_not_supply": "A fixed 200 USD compute-contract margin. That number is purely hypothetical."
    }
  ],
  "model": {
    "actual_company_or_venue_calibration": false,
    "contract_unit_gpu_hours": 730,
    "contract_unit_basis": "Numerical unit is informed by the published design; all payoff, execution, margin and calendar rules in this model are separately stipulated.",
    "assumed_input_units": "USD, hours, accepted tasks, whole contracts, days",
    "base": {
      "accepted_tasks": 14600000,
      "used_gpu_hours_per_accepted_task": 0.1,
      "minimum_billable_hours": 0,
      "initial_contracts": 2000,
      "entry_reference_usd_per_hour": 3,
      "cash_margin_per_live_contract_usd": 200
    },
    "efficiency": "Assumed used hours per accepted task halve to 0.05 at unchanged comparable quality; not an empirical measurement.",
    "cash_flow_convention": "Mark old position first; then resize and adjust cash collateral. At final day, bill either before or after final variation and full collateral release. No notional principal purchase and no duplicate closing P&L.",
    "negative_balances": "Diagnostic unfunded cash path only; no credit facility or forced liquidation is supplied.",
    "unknown_actual_inputs": [
      "Billable task-to-hour conversion",
      "Quality comparability",
      "Workload and demand response",
      "Binding billing floor",
      "Tradable instruments and execution prices",
      "Rental/reference mapping",
      "Margin schedule and broker terms",
      "Actual cash timing",
      "Funding capacity and cost"
    ],
    "excluded": [
      "Funding interest and fees",
      "Discounting",
      "Taxes",
      "Slippage",
      "Credit losses",
      "Unobserved intermediate marks",
      "Variable margin add-ons",
      "Full workflow cost",
      "Hedge-accounting treatment"
    ],
    "limits": "A smaller position chosen after a price move cannot be substituted into the old entry-price formula. The early-resize case assumes earlier information/execution, not a free option. Sampled liquidity needs are not worst-case bounds."
  },
  "verification": {
    "scenarios": 12,
    "complete_scenarios": 11,
    "unknown_scenario": 1,
    "javascript": "Cash conservation, returned collateral, changing-position P&L, table values, cash ordering, billing floor, demand rebound, basis, invalid inputs and saved-result reproduction passed",
    "independent_decimal": "All eleven complete cost and cash paths independently recomputed in PowerShell decimal; net cash cost, closing cash and additional funding need matched",
    "no_gpu_workload_or_trading_test": true
  },
  "published_on": "2026-10-06",
  "published_with_slug": "from-compute-to-credit"
}