CSV column dictionary — version 1.0.0

All monetary columns USD rounded to two decimals. Percent columns are percentage points, e.g.6.5, except contribution_rate which is a fraction, e.g.0.06. Each scenario has three strategies. The JSON retains full-precision output.

| Columns | Meaning |
| --- | --- |
| version, generation_date, methodology_url | Dataset version, dated release generation, canonical future methodology location |
| scenario_id, scenario_group | Shared scenario key across three strategy rows; primary or cost-sensitivity |
| purchase_price | Original purchase price before any reduction |
| price_cut_requested, seller_credit_requested | Common negotiation comparison inputs; not both applied to every strategy |
| down_payment_percent, hypothetical_interest_rate | Fixed percentage down and annual hypothetical rate |
| loan_term_years, holding_period_years | Fixed term and elapsed amortization horizon |
| strategy | baseline, price-cut or seller-credit |
| adjusted_purchase_price, down_payment_amount, loan_amount | Strategy purchase price, percentage-based cash down, original principal |
| ltv_percent, underwriting_ltv_percent | Raw LTV and whole-percent upward-rounded LTV for contribution band |
| contribution_rate, contribution_dollar_limit | Fractional IPC ceiling and dollar allowance on that strategy's price |
| modeled_eligible_costs | Hypothetical assumed eligible closing/prepaid/initial escrow input, counted once; real transaction eligibility requires lender confirmation |
| maximum_usable_credit | Lesser of costs and program limit, before limiting by offer |
| strategy_credit_offered | Zero in baseline/cut; requested credit in seller-credit strategy |
| usable_seller_credit, credit_not_provided | Applied amount and remainder excluded by agreed reduction |
| monthly_pi, total_pi | Monthly and cumulative principal plus interest only |
| modeled_buyer_cash_required | Down payment plus costs minus applied credit |
| principal_paid, interest_paid, remaining_balance | Amortization components through holding period |
| cash_paid_through_period | Upfront modeled cash plus cumulative P&I |
| modeled_price_interest_net_costs | Price+interest+costs−credit; includes remaining debt, not all paid cash |
| notes | Hypothetical scope and unused-credit qualification |