diff --git a/src/app/(dashboard)/accounts/[accountId]/statement/page.tsx b/src/app/(dashboard)/accounts/[accountId]/statement/page.tsx
index 096bb68..5a3383f 100644
--- a/src/app/(dashboard)/accounts/[accountId]/statement/page.tsx
+++ b/src/app/(dashboard)/accounts/[accountId]/statement/page.tsx
@@ -3,6 +3,7 @@ import { notFound } from "next/navigation";
 import { connection } from "next/server";
 import { AccountDialog } from "@/features/accounts/components/account-dialog";
 import { AccountStatementCard } from "@/features/accounts/components/account-statement-card";
+import { AddYieldDialog } from "@/features/accounts/components/add-yield-dialog";
 import { AdjustBalanceDialog } from "@/features/accounts/components/adjust-balance-dialog";
 import type { Account } from "@/features/accounts/components/types";
 import {
@@ -31,6 +32,7 @@ import MonthNavigation from "@/shared/components/month-picker/month-navigation";
 import { Button } from "@/shared/components/ui/button";
 import { getUserId } from "@/shared/lib/auth/server";
 import { loadLogoOptions } from "@/shared/lib/logo/options";
+import { getBusinessDateString } from "@/shared/utils/date";
 import { parsePeriodParam } from "@/shared/utils/period";
 
 type PageSearchParams = Promise<ResolvedSearchParams>;
@@ -52,6 +54,17 @@ const resolveDefaultPaymentMethod = (
 	return "Pix";
 };
 
+const resolveDefaultYieldDate = (period: string) => {
+	const today = getBusinessDateString();
+	if (today.startsWith(period)) return today;
+
+	const [year, month] = period.split("-").map((part) => Number(part));
+	if (!year || !month) return today;
+
+	const lastDay = new Date(year, month, 0).getDate();
+	return `${period}-${String(lastDay).padStart(2, "0")}`;
+};
+
 export default async function Page({ params, searchParams }: PageProps) {
 	await connection();
 	const { accountId } = await params;
@@ -109,6 +122,7 @@ export default async function Page({ params, searchParams }: PageProps) {
 		accountSummary;
 
 	const periodLabel = `${capitalize(monthName)} de ${year}`;
+	const defaultYieldDate = resolveDefaultYieldDate(selectedPeriod);
 
 	const accountDialogData: Account = {
 		id: account.id,
@@ -152,11 +166,17 @@ export default async function Page({ params, searchParams }: PageProps) {
 				totalExpenses={totalExpenses}
 				logo={account.logo}
 				balanceAdjustment={
-					<AdjustBalanceDialog
-						accountId={account.id}
-						period={selectedPeriod}
-						currentBalance={currentBalance}
-					/>
+					<>
+						<AddYieldDialog
+							accountId={account.id}
+							defaultDate={defaultYieldDate}
+						/>
+						<AdjustBalanceDialog
+							accountId={account.id}
+							period={selectedPeriod}
+							currentBalance={currentBalance}
+						/>
+					</>
 				}
 				actions={
 					<AccountDialog
diff --git a/src/features/accounts/actions.ts b/src/features/accounts/actions.ts
index cab76f8..f6c2cb2 100644
--- a/src/features/accounts/actions.ts
+++ b/src/features/accounts/actions.ts
@@ -32,9 +32,20 @@ import {
 	formatCurrency,
 	formatDecimalForDbRequired,
 } from "@/shared/utils/currency";
-import { getBusinessTodayDate, getTodayInfo } from "@/shared/utils/date";
+import {
+	getBusinessTodayDate,
+	getTodayInfo,
+	parseLocalDateString,
+} from "@/shared/utils/date";
+import { derivePeriodFromDate } from "@/shared/utils/period";
 import { normalizeFilePath } from "@/shared/utils/string";
 
+const ACCOUNT_YIELD_CATEGORY_NAME = "Rendimentos";
+const ACCOUNT_YIELD_CATEGORY_ICON = "RiFundsLine";
+const ACCOUNT_YIELD_TRANSACTION_NAME = "Rendimento";
+const ACCOUNT_YIELD_CONDITION = INITIAL_BALANCE_CONDITION;
+const ACCOUNT_YIELD_PAYMENT_METHOD = "Transferência bancária" as const;
+
 const accountBaseSchema = z.object({
 	name: z
 		.string({ message: "Informe o nome da conta." })
@@ -408,6 +419,107 @@ const adjustAccountBalanceSchema = z.object({
 
 type AdjustAccountBalanceInput = z.infer<typeof adjustAccountBalanceSchema>;
 
+const addAccountYieldSchema = z.object({
+	accountId: uuidSchema("FinancialAccount"),
+	amount: z
+		.number({ message: "Valor inválido." })
+		.positive("Informe um valor maior que zero."),
+	date: z
+		.string({ message: "Data inválida." })
+		.trim()
+		.regex(/^\d{4}-\d{2}-\d{2}$/u, "Data inválida."),
+});
+
+type AddAccountYieldInput = z.infer<typeof addAccountYieldSchema>;
+
+export async function addAccountYieldAction(
+	input: AddAccountYieldInput,
+): Promise<ActionResult> {
+	try {
+		const user = await getUser();
+		const data = addAccountYieldSchema.parse(input);
+		const adminPayerId = await getAdminPayerId(user.id);
+
+		if (!adminPayerId) {
+			throw new Error(
+				"Pessoa com papel administrador não encontrada. Crie uma pessoa admin antes de adicionar rendimentos.",
+			);
+		}
+
+		const purchaseDate = parseLocalDateString(data.date);
+		if (Number.isNaN(purchaseDate.getTime())) {
+			throw new Error("Data inválida.");
+		}
+
+		await db.transaction(async (tx: typeof db) => {
+			const account = await tx.query.financialAccounts.findFirst({
+				columns: { id: true },
+				where: and(
+					eq(financialAccounts.id, data.accountId),
+					eq(financialAccounts.userId, user.id),
+				),
+			});
+
+			if (!account) {
+				throw new Error("Conta não encontrada.");
+			}
+
+			const existingCategory = await tx.query.categories.findFirst({
+				columns: { id: true },
+				where: and(
+					eq(categories.userId, user.id),
+					eq(categories.type, "receita"),
+					eq(categories.name, ACCOUNT_YIELD_CATEGORY_NAME),
+				),
+			});
+
+			const category =
+				existingCategory ??
+				(
+					await tx
+						.insert(categories)
+						.values({
+							name: ACCOUNT_YIELD_CATEGORY_NAME,
+							type: "receita",
+							icon: ACCOUNT_YIELD_CATEGORY_ICON,
+							userId: user.id,
+						})
+						.returning({ id: categories.id })
+				)[0];
+
+			if (!category) {
+				throw new Error(
+					"Não foi possível preparar a categoria de rendimentos.",
+				);
+			}
+
+			await tx.insert(transactions).values({
+				condition: ACCOUNT_YIELD_CONDITION,
+				name: ACCOUNT_YIELD_TRANSACTION_NAME,
+				paymentMethod: ACCOUNT_YIELD_PAYMENT_METHOD,
+				note: null,
+				amount: formatDecimalForDbRequired(data.amount),
+				purchaseDate,
+				transactionType: "Receita" as const,
+				period: derivePeriodFromDate(data.date),
+				isSettled: true,
+				userId: user.id,
+				accountId: data.accountId,
+				cardId: null,
+				categoryId: category.id,
+				payerId: adminPayerId,
+			});
+		});
+
+		revalidateForEntity("accounts", user.id);
+		revalidateForEntity("transactions", user.id);
+
+		return { success: true, message: "Rendimento adicionado com sucesso." };
+	} catch (error) {
+		return handleActionError(error);
+	}
+}
+
 export async function adjustAccountBalanceAction(
 	input: AdjustAccountBalanceInput,
 ): Promise<ActionResult> {
diff --git a/src/features/accounts/components/add-yield-dialog.tsx b/src/features/accounts/components/add-yield-dialog.tsx
new file mode 100644
index 0000000..d1bf38b
--- /dev/null
+++ b/src/features/accounts/components/add-yield-dialog.tsx
@@ -0,0 +1,155 @@
+"use client";
+
+import { RiCalculatorLine, RiFundsLine } from "@remixicon/react";
+import { useRouter } from "next/navigation";
+import { useEffect, useState, useTransition } from "react";
+import { toast } from "sonner";
+import { addAccountYieldAction } from "@/features/accounts/actions";
+import { CalculatorDialogButton } from "@/shared/components/calculator/calculator-dialog";
+import { Button } from "@/shared/components/ui/button";
+import { CurrencyInput } from "@/shared/components/ui/currency-input";
+import { DatePicker } from "@/shared/components/ui/date-picker";
+import {
+	Dialog,
+	DialogContent,
+	DialogDescription,
+	DialogFooter,
+	DialogHeader,
+	DialogTitle,
+	DialogTrigger,
+} from "@/shared/components/ui/dialog";
+import { Label } from "@/shared/components/ui/label";
+import {
+	Tooltip,
+	TooltipContent,
+	TooltipTrigger,
+} from "@/shared/components/ui/tooltip";
+
+type AddYieldDialogProps = {
+	accountId: string;
+	defaultDate: string;
+};
+
+export function AddYieldDialog({
+	accountId,
+	defaultDate,
+}: AddYieldDialogProps) {
+	const router = useRouter();
+	const [open, setOpen] = useState(false);
+	const [isPending, startTransition] = useTransition();
+	const [amount, setAmount] = useState("");
+	const [date, setDate] = useState(defaultDate);
+
+	useEffect(() => {
+		if (open) {
+			setAmount("");
+			setDate(defaultDate);
+		}
+	}, [open, defaultDate]);
+
+	const handleSave = () => {
+		const numericAmount = Number(amount);
+
+		if (!Number.isFinite(numericAmount) || numericAmount <= 0) {
+			toast.error("Informe um valor maior que zero.");
+			return;
+		}
+
+		if (!date) {
+			toast.error("Informe a data do rendimento.");
+			return;
+		}
+
+		startTransition(async () => {
+			const result = await addAccountYieldAction({
+				accountId,
+				amount: numericAmount,
+				date,
+			});
+
+			if (result.success) {
+				toast.success(result.message);
+				setOpen(false);
+				router.refresh();
+				return;
+			}
+
+			toast.error(result.error);
+		});
+	};
+
+	return (
+		<Dialog open={open} onOpenChange={setOpen}>
+			<Tooltip>
+				<TooltipTrigger asChild>
+					<DialogTrigger asChild>
+						<Button
+							type="button"
+							variant="ghost"
+							size="icon-sm"
+							className="text-primary hover:text-primary"
+							aria-label="Adicionar rendimento"
+						>
+							<RiFundsLine className="size-4" />
+						</Button>
+					</DialogTrigger>
+				</TooltipTrigger>
+				<TooltipContent>Adicionar rendimento</TooltipContent>
+			</Tooltip>
+			<DialogContent className="sm:max-w-md">
+				<DialogHeader>
+					<DialogTitle>Adicionar rendimento</DialogTitle>
+					<DialogDescription>
+						Registre um rendimento como receita paga nesta conta.
+					</DialogDescription>
+				</DialogHeader>
+				<div className="space-y-4">
+					<div className="space-y-2">
+						<Label htmlFor="yield-amount">Valor</Label>
+						<div className="relative">
+							<CurrencyInput
+								id="yield-amount"
+								value={amount}
+								onValueChange={setAmount}
+								autoFocus
+								className="pr-10"
+								placeholder="R$ 0,00"
+							/>
+							<CalculatorDialogButton
+								variant="ghost"
+								size="icon-sm"
+								className="absolute right-1 top-1/2 h-7 w-7 -translate-y-1/2"
+								onSelectValue={setAmount}
+							>
+								<RiCalculatorLine className="h-4 w-4 text-muted-foreground" />
+							</CalculatorDialogButton>
+						</div>
+					</div>
+					<div className="space-y-2">
+						<Label htmlFor="yield-date">Data</Label>
+						<DatePicker
+							id="yield-date"
+							value={date}
+							onChange={setDate}
+							placeholder="Data"
+							required
+						/>
+					</div>
+				</div>
+				<DialogFooter>
+					<Button
+						type="button"
+						variant="outline"
+						onClick={() => setOpen(false)}
+						disabled={isPending}
+					>
+						Cancelar
+					</Button>
+					<Button type="button" onClick={handleSave} disabled={isPending}>
+						{isPending ? "Salvando..." : "Adicionar"}
+					</Button>
+				</DialogFooter>
+			</DialogContent>
+		</Dialog>
+	);
+}
diff --git a/src/features/accounts/components/adjust-balance-dialog.tsx b/src/features/accounts/components/adjust-balance-dialog.tsx
index f7879b7..d6e9309 100644
--- a/src/features/accounts/components/adjust-balance-dialog.tsx
+++ b/src/features/accounts/components/adjust-balance-dialog.tsx
@@ -17,6 +17,11 @@ import {
 	DialogTrigger,
 } from "@/shared/components/ui/dialog";
 import { Label } from "@/shared/components/ui/label";
+import {
+	Tooltip,
+	TooltipContent,
+	TooltipTrigger,
+} from "@/shared/components/ui/tooltip";
 import { formatCurrency } from "@/shared/utils/currency";
 
 type AdjustBalanceDialogProps = {
@@ -79,17 +84,22 @@ export function AdjustBalanceDialog({
 
 	return (
 		<Dialog open={open} onOpenChange={setOpen}>
-			<DialogTrigger asChild>
-				<Button
-					type="button"
-					variant="ghost"
-					size="icon-sm"
-					className="text-muted-foreground hover:text-foreground"
-					aria-label="Ajustar saldo"
-				>
-					<RiEqualizerLine className="size-4" />
-				</Button>
-			</DialogTrigger>
+			<Tooltip>
+				<TooltipTrigger asChild>
+					<DialogTrigger asChild>
+						<Button
+							type="button"
+							variant="ghost"
+							size="icon-sm"
+							className="text-primary hover:text-primary"
+							aria-label="Ajustar saldo"
+						>
+							<RiEqualizerLine className="size-4" />
+						</Button>
+					</DialogTrigger>
+				</TooltipTrigger>
+				<TooltipContent>Ajustar saldo</TooltipContent>
+			</Tooltip>
 			<DialogContent className="sm:max-w-md">
 				<DialogHeader>
 					<DialogTitle>Ajustar saldo</DialogTitle>
diff --git a/src/shared/lib/categories/defaults.ts b/src/shared/lib/categories/defaults.ts
index d3ac225..a25514d 100644
--- a/src/shared/lib/categories/defaults.ts
+++ b/src/shared/lib/categories/defaults.ts
@@ -34,6 +34,7 @@ export const DEFAULT_CATEGORIES: DefaultCategory[] = [
 	// Receitas
 	{ name: "Salário", type: "receita", icon: "RiWallet3Line" },
 	{ name: "Freelance", type: "receita", icon: "RiUserStarLine" },
+	{ name: "Rendimentos", type: "receita", icon: "RiFundsLine" },
 	{ name: "Investimentos", type: "receita", icon: "RiStockLine" },
 	{ name: "Vendas", type: "receita", icon: "RiShoppingCartLine" },
 	{ name: "Prêmios", type: "receita", icon: "RiMedalLine" },