{"uid":"cap_IBb-vF7VfhEc1zvcD4kJT","slug":"discounted-present-value-before-and-after-comparison-calculator-f58ad348","name":"Discounted Present Value Before-and-After Comparison Calculator","description":"Discounted present value - Before and after comparison: Compare two supplied records, reporting absolute and eligible relative changes. Metric: Discounted present value. Supplied figures only; returns JSON with formula, units and limitations. One of 50 calculators with 20 analysis modes. No live feed, financial advice or trade execution. 0.01 USDC includes one bounded before and after comparison report.","url":"https://market.datapackvibe.com/x402/assistant-finance-present-value-compare?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"after":{"type":"object","default":{"years":2.2,"future_value":13200.000000000002,"annual_effective_rate_percent":5.5},"required":["future_value","annual_effective_rate_percent","years"],"properties":{"years":{"type":"number","default":2,"maximum":100,"minimum":0,"description":"Amount in a consistent supplied currency and reporting period"},"future_value":{"type":"number","default":12000,"maximum":1000000000000,"minimum":-1000000000000,"description":"Amount in a consistent supplied currency and reporting period"},"annual_effective_rate_percent":{"type":"number","default":5,"maximum":100,"minimum":-99,"description":"Percent units: enter 5 for 5%, not 0.05"}},"additionalProperties":false},"before":{"type":"object","default":{"years":2,"future_value":12000,"annual_effective_rate_percent":5},"required":["future_value","annual_effective_rate_percent","years"],"properties":{"years":{"type":"number","default":2,"maximum":100,"minimum":0,"description":"Amount in a consistent supplied currency and reporting period"},"future_value":{"type":"number","default":12000,"maximum":1000000000000,"minimum":-1000000000000,"description":"Amount in a consistent supplied currency and reporting period"},"annual_effective_rate_percent":{"type":"number","default":5,"maximum":100,"minimum":-99,"description":"Percent units: enter 5 for 5%, not 0.05"}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_lLuCdLcbfEDxpQQJ0PNW9","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Compares two sets of discounted present value inputs (before and after) and returns absolute and relative changes in present value.","exampleAgentPrompt":"Compare the discounted present value for two scenarios: before is a future value of $12,000 discounted at 5% over 2 years, and after is a future value of $13,200 discounted at 5.5% over 2.2 years — give me the absolute and relative change.","exampleUseCases":[{"title":"Investment horizon extension impact","prompt":"I'm evaluating a bond that pays $50,000. Before: discount rate 6%, 3 years out. After: same $50,000 but now 5 years out at 6%. What's the absolute and relative drop in present value from extending the horizon by 2 years?"},{"title":"Discount rate hike effect on valuation","prompt":"My project was valued assuming a 4% discount rate on a $100,000 future cash flow in 5 years. Our cost of capital just rose to 7%. Compare the discounted present value before and after the rate change and tell me how much value we've lost."},{"title":"Future value increase offsetting rate rise","prompt":"Can you compare two scenarios for me? Before: $20,000 future value, 3% rate, 4 years. After: $22,500 future value, 5% rate, 4 years. I want to know if the higher future value compensates for the higher discount rate in present value terms."}],"resultDescription":"A JSON object containing the discounted present value for the before and after scenarios, the absolute change between them, the eligible relative change (percentage), the formula used, the units assumed, and a note on limitations of the calculation.","failureModes":["Missing required fields (future_value, annual_effective_rate_percent, or years) returns a validation error","annual_effective_rate_percent outside range -99 to 100 is rejected","years outside range 0 to 100 is rejected","future_value outside ±1,000,000,000,000 is rejected","Relative change may be undefined or flagged when the before present value is zero","No live data — results depend entirely on user-supplied inputs"],"whenToPreferThis":"Choose this endpoint when you need a structured, formula-backed comparison of discounted present value across exactly two scenarios (before and after), with explicit absolute and relative change reporting. It is ideal for financial planning, sensitivity analysis, or scenario modeling where a deterministic calculation with documented formula and limitations is preferred over a live market feed or advisory service.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:46:47.722Z","isFirstParty":false,"canonicalSlug":"discounted-present-value-before-and-after-comparison-calculator-f58ad348"}