Free Trading Calculators

Revenge Trading Cost Calculator

Estimate what revenge trading, entering a trade to win back a loss instead of following your plan, actually costs you over a year.

Revenge trades per month

Average loss per revenge trade ($)

Chartself flags every revenge trade automatically in real time and tracks the running dollar cost in your analytics, no manual math needed. Start free

FOMO Entry Cost Calculator

Estimate the cost of chasing entries out of fear of missing out, rather than waiting for your actual setup.

FOMO entries per month

Average loss per FOMO entry ($)

Tag FOMO entries when you log a trade in Chartself, and its analytics track the running dollar cost automatically. Start free

Overtrading Cost Calculator

Compare how many trades you actually take per day against the number your edge really supports, and see the cost of the extra ones.

Actual trades per day

Trades your edge actually supports

Average loss per excess trade ($)

Trading days per month

Chartself's risk rules can cap your max trades per day and alert you in real time the moment you go past it. Start free

Tilt Streak Cost Calculator

Estimate the cost of trades taken while on tilt, meaning after two or more losses in a row, when judgment tends to slip.

Tilt trades per month

Average loss per tilt trade ($)

Chartself's risk tools track consecutive loss streaks and alert you in real time when one is forming. Start free

Break Even Win Rate Calculator

Given your risk and reward per trade, find the minimum win rate you need just to break even, before any edge at all.

Risk per trade ($ or points)

Reward per trade ($ or points)

Chartself's analytics break down your real win rate by setup, symbol, and time of day, so you can compare it to numbers like this yourself. Start free

Risk Reward Ratio Calculator

Work out the risk to reward ratio for a trade from your entry, stop loss, and target.

Entry price

Stop loss price

Target price

Direction

Every trade logged in Chartself has its risk reward ratio calculated automatically and scored against your own risk rules. Start free

Max Drawdown Calculator

Paste a sequence of account balances to find the largest peak to trough decline in the series.

Account balances, comma separated, in order

Chartself's dashboard plots your equity curve and max drawdown live from every trade you log or sync. Start free

Trading Fees Cost Calculator

See how much commissions and fees quietly cost you over a year, something that rarely shows up until it is added up.

Trades per month

Average trade size ($)

Fee per side (%)

Charged on both entry and exit

Broker sync in Chartself pulls in your real trade data, so fee drag shows up in your actual numbers, not an estimate. Start free

Kelly Criterion Calculator

Estimate the theoretically optimal position size as a percentage of your account, based on your win rate and average win to loss ratio.

Win rate (%)

Average win ($)

Average loss ($)

Full Kelly is aggressive for most traders. Many use half Kelly or less. Chartself's risk rules can cap your leverage and daily loss to help enforce whatever sizing discipline you choose. Start free

Daily Loss Limit Calculator

Work out a reasonable daily loss limit for your account size, so one bad day cannot turn into a disaster.

Account size ($)

Max risk per day (%)

Set this exact number as a real risk rule in Chartself and get alerted the moment you hit it, not after. Start free