📚 Stock Market Glossary
Clear, beginner-friendly explanations, real-world analogies, and visual formulas for key stock market terminology.
SLR (Supplementary Leverage Ratio)
Macro & Policy💡 Key Takeaway: A capital adequacy rule requiring tier-1 banks to hold minimum core capital against all on- and off-balance sheet assets regardless of risk weighting.
Backpack Volume Cap Analogy: Whether your backpack is filled with heavy bricks (risky loans) or feather pillows (safe Treasuries), you are penalized if total volume exceeds your body weight ratio.
😎 10-Second Show-off Pro Tip for Friends!
😎 Show-off Tip: Inform your friends, 'Whether mega-banks can absorb heavy Treasury auctions hinges on SLR flexibility and Tier 1 leverage buffers!'
📖 Beginner-Friendly Explanation
STEP 1
Core Concept & Meaning
The Supplementary Leverage Ratio (SLR) is a Tier 1 capital rule that applies to the largest globally systemically important banks (G-SIBs), requiring them to hold a minimum equity buffer (typically 5-6%) against total leverage exposure.
STEP 2
Why It Matters & Mechanism
- No Risk-Weight Discounts: Unlike standard Basel ratios, SLR counts ultra-safe assets like US Treasuries and central bank reserves as full nominal assets without risk-weight deductions.
- Intermediation Bottle-neck: When deposits surge, banks holding more Treasuries face higher capital requirements, disincentivizing them from absorbing sovereign debt.
- Relief Catalyst: Exempting Treasuries and reserves from SLR calculations frees up balance sheet capacity for banks to absorb massive debt issuance.
STEP 3
Practical Investment Tips & Pitfalls
SLR adjustments or exemptions directly impact primary dealer buying power at Treasury auctions, affecting bond yields and major bank dividend capabilities.
📊 SLR Calculation Formula
SLR = (Tier 1 Capital / Total Leverage Exposure) * 100 >= 5.0%
• Denominator: Loans + US Treasuries + Fed Reserves + Off-balance-sheet derivatives
• G-SIB Standard: Minimum 5.0% for bank holding companies, 6.0% for insured subsidiaries
⚖️ Key Comparison at a Glance
| Category | Risk-Weighted Capital Ratio (CET1) | Supplementary Leverage Ratio (SLR) |
|---|---|---|
| Risk Weighting | Differentiated by asset risk (Treasuries 0%, Loans 100%) | Uniform unweighted total exposure |
| Treasuries Impact | Zero risk weight requires no added equity buffer | Full nominal exposure consumes Tier 1 capital |
| Regulatory Focus | Shielding against credit default losses | Capping absolute balance sheet leverage |
| Market Dynamic | Governs risky commercial lending | Governs sovereign bond absorption and repo intermediation |
📌 Practical Market & Real-World Example
When emergency regulators temporarily excluded Treasuries and reserves from the SLR denominator, mega-banks expanded balance sheets and stabilized sovereign bond markets.