Signal and tools for the Age of Discord
Free financial calculators built for clarity. Analytical signal for people who think in systems. Free to use, no login required. No paywalls on the thinking.
This site pairs two things that don't usually sit together: free financial calculators, and Sentinel, a live dashboard tracking the structural indicators that precede social rupture. "Age of Discord" names historian Peter Turchin's term for a period like this one — rising elite competition and falling living standards moving together. What this site is, in full →
Convert Kalshi, Robinhood, or Polymarket contract prices to implied probability, break-even win rate, and payout ratio.
→ Markets · SizingOptimal position sizing for prediction market contracts. Enter your edge and bankroll to get full, half, and quarter Kelly stakes.
→ India · RetirementCorpus, EPF, NPS, and monthly SIP target — with inflation-adjusted projections and Excel download. FY 2025–26.
→ India · PayrollCTC to in-hand with full statutory breakdown. EPF, ESI, professional tax, and new vs old regime comparison.
→ India · InvestingMonthly SIP to wealth projection with step-up, CAGR, benchmark comparison, and Excel download.
→ India · TaxPerformance bonus, statutory bonus under the Payment of Bonus Act, and TDS impact. FY 2025–26.
→ India · TaxCGST, SGST, and IGST breakdown with inclusive/exclusive toggle and slab comparison.
→ India · Budgeting50/30/20 rule or custom split, fixed-cost tracking, and year-end savings projection.
→ India · OffersCompare two job offers by CTC and in-hand pay, side by side.
Seven panels tracking the indicators that precede rupture: elite overproduction, popular immiseration, state fiscal distress, prediction-market panic, local ground-truth anomalies, trigger events, and a weekly failure-chain composite. No doom. No hype. Pattern recognition.