Calcular o tamanho correto da posição é uma das habilidades mais importantes que você pode desenvolver como trader. Operar com posições grandes demais e sua conta encolhe rapidamente após algumas perdas. Pequenas demais e você deixa dinheiro na mesa. Com nosso Position Size Calculator gratuito, você calcula em segundos o lot size ideal com base no tamanho da sua conta, percentual de risco e distância do stop loss.

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:root { --bg: #F7F8FA; --card: #FFFFFF; --card-hover: #FAFBFC; --border: #E8EBF0; --border-focus: #3B82F6; --text: #1A1D26; --text-secondary: #6B7280; --text-muted: #9CA3AF; --accent: #3B82F6; --accent-light: #EFF6FF; --accent-dark: #2563EB; --green: #10B981; --green-light: #ECFDF5; --green-dark: #059669; --red: #EF4444; --red-light: #FEF2F2; --orange: #F59E0B; --orange-light: #FFFBEB; --shadow-sm: 0 1px 2px rgba(0,0,0,0.04); --shadow-md: 0 4px 12px rgba(0,0,0,0.06); --shadow-lg: 0 8px 30px rgba(0,0,0,0.08); --radius: 12px; --radius-sm: 8px; --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1); } * { margin: 0; padding: 0; box-sizing: border-box; } body { font-family: 'DM Sans', sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; -webkit-font-smoothing: antialiased; } .calculator-wrapper { max-width: 520px; margin: 0 auto; padding: 24px 16px 48px; } /* Header */ .calc-header { text-align: center; margin-bottom: 28px; animation: fadeDown 0.5s ease; } .calc-header h1 { font-size: 1.65rem; font-weight: 700; letter-spacing: -0.02em; color: var(--text); margin-bottom: 6px; } .calc-header p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5; } /* Tabs */ .tabs { display: flex; gap: 4px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 4px; margin-bottom: 24px; box-shadow: var(--shadow-sm); animation: fadeDown 0.5s ease 0.05s both; } .tab { flex: 1; padding: 10px 8px; border: none; background: transparent; font-family: 'DM Sans', sans-serif; font-size: 0.8rem; font-weight: 500; color: var(--text-secondary); cursor: pointer; border-radius: var(--radius-sm); transition: var(--transition); position: relative; } .tab:hover { color: var(--text); background: var(--bg); } .tab.active { background: var(--accent); color: #fff; box-shadow: 0 2px 8px rgba(59,130,246,0.25); } .tab .tab-icon { display: block; font-size: 1.1rem; margin-bottom: 3px; } /* Card */ .calc-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow-md); animation: fadeUp 0.4s ease; } .tab-panel { display: none; } .tab-panel.active { display: block; } /* Form elements */ .field { margin-bottom: 18px; } .field:last-of-type { margin-bottom: 24px; } .field label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 7px; } .field label .label-hint { font-weight: 400; text-transform: none; letter-spacing: 0; color: var(--text-muted); font-size: 0.78rem; } .input-group { display: flex; align-items: stretch; border: 1.5px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; transition: var(--transition); background: var(--card); } .input-group:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59,130,246,0.1); } .input-group input, .input-group select { border: none; outline: none; font-family: 'JetBrains Mono', monospace; font-size: 0.95rem; padding: 12px 14px; background: transparent; color: var(--text); width: 100%; } .input-group select { font-family: 'DM Sans', sans-serif; font-size: 0.88rem; cursor: pointer; -webkit-appearance: none; appearance: none; background: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236B7280' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 14px center; padding-right: 34px; } .input-group .unit { display: flex; align-items: center; padding: 0 14px; font-size: 0.82rem; font-weight: 500; color: var(--text-muted); background: #F9FAFB; border-left: 1px solid var(--border); white-space: nowrap; user-select: none; } .input-row { display: flex; gap: 12px; } .input-row .field { flex: 1; } /* Calculate button */ .calc-btn { width: 100%; padding: 14px; background: var(--accent); color: #fff; border: none; border-radius: var(--radius-sm); font-family: 'DM Sans', sans-serif; font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: var(--transition); letter-spacing: 0.01em; } .calc-btn:hover { background: var(--accent-dark); box-shadow: 0 4px 14px rgba(59,130,246,0.3); transform: translateY(-1px); } .calc-btn:active { transform: translateY(0); } /* Results */ .results { margin-top: 24px; padding-top: 24px; border-top: 1px dashed var(--border); animation: fadeUp 0.35s ease; } .results-title { font-size: 0.75rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 14px; } .result-item { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 6px; transition: var(--transition); } .result-item:hover { background: var(--bg); } .result-label { font-size: 0.88rem; color: var(--text-secondary); } .result-value { font-family: 'JetBrains Mono', monospace; font-size: 1rem; font-weight: 600; color: var(--text); } .result-highlight { background: var(--accent-light); border: 1px solid rgba(59,130,246,0.15); } .result-highlight .result-value { color: var(--accent-dark); font-size: 1.1rem; } .result-highlight:hover { background: var(--accent-light); } .result-green { background: var(--green-light); border: 1px solid rgba(16,185,129,0.15); } .result-green .result-value { color: var(--green-dark); } .result-green:hover { background: var(--green-light); } .result-warn { background: var(--orange-light); border: 1px solid rgba(245,158,11,0.15); } .risk-meter { margin-top: 16px; padding: 16px; border-radius: var(--radius-sm); background: var(--bg); border: 1px solid var(--border); } .risk-meter-label { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; } .risk-meter-label span { font-size: 0.8rem; color: var(--text-secondary); } .risk-meter-label strong { font-size: 0.85rem; font-weight: 600; } .risk-bar { height: 8px; background: #E5E7EB; border-radius: 4px; overflow: hidden; position: relative; } .risk-bar-fill { height: 100%; border-radius: 4px; transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1), background 0.3s; } .risk-labels { display: flex; justify-content: space-between; margin-top: 6px; font-size: 0.7rem; color: var(--text-muted); } /* Info tooltip */ .info-note { margin-top: 20px; padding: 14px 16px; background: var(--bg); border-radius: var(--radius-sm); border-left: 3px solid var(--accent); font-size: 0.82rem; color: var(--text-secondary); line-height: 1.55; } .info-note strong { color: var(--text); font-weight: 600; } /* Lot breakdown table */ .lot-breakdown { width: 100%; margin-top: 8px; border-collapse: collapse; font-size: 0.85rem; } .lot-breakdown th { text-align: left; font-size: 0.72rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; padding: 8px 12px; border-bottom: 1px solid var(--border); } .lot-breakdown td { padding: 10px 12px; border-bottom: 1px solid var(--border); color: var(--text-secondary); } .lot-breakdown td:last-child { font-family: 'JetBrains Mono', monospace; font-weight: 500; color: var(--text); text-align: right; } .lot-breakdown th:last-child { text-align: right; } .lot-breakdown tr:last-child td { border-bottom: none; } /* Footer */ .calc-footer { text-align: center; margin-top: 24px; font-size: 0.78rem; color: var(--text-muted); animation: fadeUp 0.5s ease 0.2s both; } .calc-footer a { color: var(--accent); text-decoration: none; font-weight: 500; } .calc-footer a:hover { text-decoration: underline; } .calc-footer .affiliate-disclaimer { margin-top: 8px; font-size: 0.7rem; color: var(--text-muted); line-height: 1.5; } /* Broker CTA */ .broker-cta { display: flex; align-items: center; justify-content: space-between; margin-top: 18px; padding: 16px 18px; background: linear-gradient(135deg, #FFF7ED 0%, #FFFBF5 100%); border: 1px solid #FDBA74; border-radius: var(--radius-sm); text-decoration: none; color: var(--text); transition: var(--transition); gap: 12px; } .broker-cta:hover { border-color: #F97316; box-shadow: 0 4px 14px rgba(249,115,22,0.12); transform: translateY(-1px); } .broker-cta-left { display: flex; flex-direction: column; gap: 3px; } .broker-cta-badge { font-size: 0.65rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: #EA580C; } .broker-cta-name { font-size: 1.05rem; font-weight: 700; color: var(--text); letter-spacing: -0.01em; } .broker-cta-desc { font-size: 0.78rem; color: var(--text-secondary); line-height: 1.4; } .broker-cta-arrow { font-size: 1.3rem; color: #EA580C; font-weight: 600; flex-shrink: 0; transition: var(--transition); } .broker-cta:hover .broker-cta-arrow { transform: translateX(3px); } /* Animations */ @keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } } @keyframes fadeDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } } /* Responsive */ @media (max-width: 480px) { .calculator-wrapper { padding: 16px 12px 40px; } .calc-card { padding: 22px 18px; } .tab { font-size: 0.72rem; padding: 9px 6px; } .input-row { flex-direction: column; gap: 0; } .calc-header h1 { font-size: 1.4rem; } }