~/tools

Tools

Handy utilities for A-share traders. Pure client-side — nothing leaves your browser.

~/tools/limit-price

Limit Price Calculator

Today’s limit-up/down prices per board rules, with ticker auto-detection.

~/tools/calendar

Is today a trading day? Next session? Official 2026 closure schedule.

~/tools/xr

XR/XD reference price and forward-adjust factor for dividends, splits and rights issues.

~/tools/reverse-repo

Exact occupation days from the trading calendar — see the Thursday / pre-holiday edge.

~/tools/cb-premium

Conversion value, premium ratio and call-trigger reference in one pass.

~/tools/grid

Arithmetic/geometric grid ladders with after-fee per-grid profit and break-even step.