§ Tools · Free · No signup2 instruments
Free
tooling.
Sharp, single-purpose calculators built for active day traders. Open them, do the math, close the tab. No signup. No sales pitch.
- I.
Position Size Calculator
Account size, risk %, entry, stop. Out comes share count — sized to a fixed dollar risk you can defend.
Risk Management Calculator - II.
PDT Rule Impact Calculator
See what the old Pattern Day Trader rule was costing you per month — and what the 2026 SEC change unlocks.
Rule Change · 2026 Calculator
Beyond the calculators
Track every trade with
MeliorEdge.
Use MeliorEdge to journal every entry, review your performance, and build a real edge. Free to start.
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