Tools for BetterPortfolio Management.

Measure portfolio returns against academic factors and inspect residual diagnostics.

Understand common risk dimensions, variance concentration, and portfolio component exposure.

Compare investing a lump sum immediately with investing it in equal installments across history.

Backtest portfolios whose weights are reoptimized through history using a selected model and lookback.

Review risk and return tradeoffs across feasible portfolio allocations.

Solve for present value, future value, payment, interest rate, or number of periods.

Compare portfolio fees, contributions and purchasing power against a no-fee baseline.

Calculate NPV and IRR from signed cash flows at a fixed frequency.

Price fixed-coupon bullet bonds or solve yield to maturity at a coupon date.

Study leverage choices with explicit financing and volatility assumptions.

Test how rebalance timing and policy choices affect historical outcomes.

Compare complete historical outcomes for one holding period across quarterly entry dates.

Create custom ticker aliases from uploaded daily return data with optional backfill and forward fill.

Estimate sustainable withdrawal rates across historical portfolio return windows.

Measure how return order affects accumulation outcomes across historical scenarios.