Free Australian CGT Calculator & Share Trade Tracker
Turn CommSec and CMC transaction CSVs into a reviewable capital gains and losses record, ASX share trade tracker, and daily trading P&L dashboard.
Calculations happen in your browser. Review brokerage and parcel matching, create trading targets, keep a journal, and save password-encrypted reports when you choose to keep your progress.
See the transaction story, not only the final number
AusCGT uses FIFO matching for straightforward share parcels and surfaces the trades that need your judgement. Review brokerage, capital gains and losses, missing buys, partial buy and sell matches, carry forwards, ticker changes, ETF adjustments, and CGT discount eligibility before relying on an output.
- CommSec and CMC CSV imports for Australian share trades
- Financial-year capital gains, capital losses, and open holdings
- Share profit/loss dashboard, day-trading calendar, and tax-time exports
Calculate each trading day, then see the month take shape
The daily trading P&L calculator groups matched buys and sells by date to calculate realised profit and loss. The calendar makes profitable days, loss days, and unresolved trades easy to spot without losing the transaction detail behind each result.
- Daily profit and loss with trade counts
- Monthly totals, profit days, loss days, best day, and worst day
- Review same-day matching and carried-forward quantities
Keep the decisions that sit around each trade
Targets let you record a date range, total objective, planned ticker entries and exits, and the thesis behind each position. The trading journal keeps dated notes, rules, theses, and reviews in the same account.
Once trades are loaded, Target Progress connects realised performance back to the plan so the numbers and your original reasoning can be reviewed together.
Save a report, load it later, then add only what is new
Name and save a report with optional password encryption. When that report is loaded again, a newer CSV extends it with later transactions instead of replacing the work already reviewed.
Tax-time exports remain available for your own records or accountant review, while the original broker CSV is processed in the browser.
Common calculation questions
Important disclaimers
AusCGT helps calculate and organise share transaction data and does not provide financial or tax advice.
Calculation and tax advice
Calculations are estimates and may not account for every Australian tax rule, including wash-sale adjustments, scrip-for-scrip rollovers, trust distributions, managed investment schemes, or SMSF-specific rules. AusCGT does not hold an AFSL. Obtain independent advice from a registered tax agent before completing your return.
Your responsibility for data accuracy
You must verify imported transactions, manual adjustments, unmatched trades, quantities, brokerage, buy prices, discount selections, and all resulting outputs before relying on them.
Limitation of liability
To the maximum extent permitted by law, Fintomate Pty Ltd and its contributors are not liable for loss arising from use of this tool, including tax penalties, interest, underpayment, overpayment, or other financial loss.