Include both commissions and sell-side transaction tax when estimating a round-trip trade.
Calculator inputs
Broker rates vary. Enter the actual post-discount rate that applies to you.
Minimums vary by broker, odd-lot channel, and campaign.
Estimated net P/L after one round trip
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Buy commission—
Sell commission—
Transaction tax—
Total trading costs—
Note:Broker commissions are set by the broker; 0.1425% is not treated here as a universal mandatory rate. The 0.15% stock day-trading tax preference currently runs through Dec. 31, 2027; the bond-ETF transaction-tax exemption currently runs through Dec. 31, 2026.
Broker commissions may apply on both buy and sell orders, while securities transaction tax is generally collected on the sell side. Rates depend on the security and broker fee schedule.
Why long-term investors should still care
Frequent switching, short holding periods, and small orders can make minimum commissions and sell-side taxes meaningful relative to expected returns.
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