Skill 詳細
trade-accounting
Directly applies double-entry bookkeeping, ledgers, and financial statements to trading.
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SKILL.md
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--- name: trade-accounting description: Double-entry bookkeeping for trading operations with ledger management, P&L statements, balance sheets, and cash flow reporting license: MIT metadata: author: agipro version: "0.1.0" category: trading --- # Trade Accounting Run your trading operation like a business. Every SOL spent, every token acquired, every fee paid, every gain realized — tracked with double-entry bookkeeping so your books always balance. Whether you trade through a personal wallet or an LLC, proper accounting turns chaos into clarity. **Core principle**: Every transaction touches at least two accounts. Buy a token? Cash goes down, token holdings go up — by the same amount. This double-entry constraint catches errors automatically: if debits do not equal credits, something is wrong. ## Why Traders Need Accounting Most traders track P&L loosely — "I started with 50 SOL and now I have 62 SOL." That tells you nothing about: - How much came from realized trades vs unrealized positions - What you paid in cumulative fees (gas, priority fees, swap fees) - Whether your staking and LP income covers your operating costs - Your actual cost basis for each holding (critical for taxes) - Cash flow timing — are you profitable but illiquid? Proper accounting answers all of these. It also separates **trading P&L** (mark-to-market, useful for strategy evaluation) from **tax P&L** (realized gains using a specific cost basis method, required for compliance). --- ## Account Types A trading operation uses four account categories following standard accounting: | Category | Normal Balance | Examples | |----------|---------------|----------| | **Assets** | Debit | Cash (SOL/USDC), token holdings, LP positions, staking deposits, receivables | | **Liabilities** | Credit | Margin borrowing, accrued taxes payable | | **Income** | Credit | Realized trading gains, staking rewards, airdrop income, LP fee income | | **Expenses** | Debit | Trading fees, gas/priority fees, subscription costs, data feeds | | **Equity** | Credit | Owner capital contributions, retained earnings, withdrawals (contra) | ### Chart of Accounts See `references/planned_features.md` for a full chart of accounts. A minimal setup: ``` 1000 Assets 1010 Cash – SOL 1020 Cash – USDC 1100 Token Holdings (one sub-account per token) 1200 LP Positions 1300 Staking Deposits 3000 Income 3010 Realized Trading Gains 3020 Staking Rewards 3030 Airdrop Income 3040 LP Fee Income 4000 Expenses 4010 Trading Fees (DEX swap fees) 4020 Gas & Priority Fees 4030 Slippage Cost 5000 Equity 5010 Owner Capital 5020 Retained Earnings 5030 Owner Withdrawals (contra-equity) ``` --- ## Double-Entry Bookkeeping Every transaction records equal debits and credits. Debits increase asset and expense accounts; credits increase liability, income, and equity accounts. ### Entry Examples **Buy 1000 BONK for 0.5 SOL (0.001 SOL gas fee):** | Account | Debit | Credit | |---------|-------|--------| | Token Holdings – BONK | 0.501 SOL | | | Cash – SOL | | 0.501 SOL | Or with the fee broken out explicitly: | Account | Debit | Credit | |---------|-------|--------| | Token Holdings – BONK | 0.5 SOL | | | Gas & Priority Fees | 0.001 SOL | | | Cash – SOL | | 0.501 SOL | **Sell 1000 BONK for 0.8 SOL (cost basis was 0.5 SOL, 0.001 SOL gas):** | Account | Debit | Credit | |---------|-------|--------| | Cash – SOL | 0.799 SOL | | | Gas & Priority Fees | 0.001 SOL | | | Token Holdings – BONK | | 0.5 SOL | | Realized Trading Gains | | 0.3 SOL | **Receive staking rewards of 0.05 SOL:** | Account | Debit | Credit | |---------|-------|--------| | Cash – SOL | 0.05 SOL | | | Staking Rewards | | 0.05 SOL | **Receive airdrop of 5000 JUP (valued at 2.1 SOL at receipt):** | Account | Debit | Credit | |---------|-------|--------| | Token Holdings – JUP | 2.1 SOL | | | Airdrop Income | | 2.1 SOL | **Collect LP fees of 0.03 SOL:** | Account | Debit | Credit |GitHub で全文を読む (外部ページ)