Available credit is not the same as safe leverage.
8 stock-pledge guides plus a risk calculator covering loan ratios, maintenance, collateral calls, disposal, dividends, interest cash flow, reinvestment leverage, and margin-financing differences.
Four things to monitor

140% is not a universal stock-pledge call threshold
Current Yuanta Securities Finance rules use 140% in a specific securities-backed lending framework. Banks, brokers, and other products may use different thresholds, so the calculator keeps the value editable.

From borrowing to calls and disposal
The focus is risk management, not maximizing leverage.
What Is Stock Pledging? Borrowing Against Shares Without Selling Them
A securities-backed loan uses shares or other securities as collateral. The assets remain exposed to market moves while the borrower adds a fixed debt obligation.
Read more →How Much Can You Borrow Against Stocks? Loan Ratios Are Not Universal
Collateral lending ratios vary by lender, security liquidity, risk, and contract. A single provider’s maximum should not be treated as a universal market rule.
Read more →Stock-Pledge Maintenance Ratios: Check the Contract Formula First
Maintenance ratios generally compare collateral value with debt, but formulas and call thresholds differ. Always confirm whether accrued interest is included.
Read more →What Happens After a Stock-Pledge Margin Call?
If collateral value falls below contractual requirements, the borrower may need to add collateral, repay debt, or face collateral disposal. A remaining shortfall may still be owed.
Read more →Do Pledged Stocks Still Pay Dividends? Check the Pledge Agreement
Dividend and other entitlement treatment after a pledge depends on the pledge arrangement. TDCC processes benefits according to the agreed entitlement instructions.
Read more →Stock-Pledge Interest Is a Cash-Flow Cost
Loan interest is a cash-flow obligation, while dividends and share prices are uncertain. Evaluate interest, distributions, taxes, and possible collateral calls separately.
Read more →Why Reinvesting Stock-Pledge Proceeds Can Create a Leverage Spiral
Reinvesting a securities-backed loan into more stocks can expose both the original collateral and the new investment to the same market decline while interest remains due.
Read more →Stock Pledge vs Margin Financing: Both Use Leverage, but the Structures Differ
Stock-backed loans, broker collateralized lending, and margin financing are often confused. Their funding purpose, collateral structure, and rules differ.
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