Updated 2026

The Ultimate SIE Cheat Sheet

Mnemonics, Formulas & Key Concepts

Stop flipping through your textbook. Here are the high-yield mnemonics and concepts that show up on almost every exam — organized so they stick. Many candidates use this as their dump sheet: memorize it, then brain-dump it onto scratch paper the minute your exam timer starts.

About this guide: Written for the 2026 FINRA Securities Industry Essentials (SIE) Exam. Covers all major testable topics including bond yields, order types, options, risk, economics, and margin rules. Updated for T+1 settlement standards (effective May 2024). Published by 2DollarTests.
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SIE Exam: Bond Yield Hierarchy & Pricing

Section 1 of 8 · The yield hierarchy is one of the most tested SIE concepts
Current Yield
Annual Interest ÷ Market Price
Don't forget to use annual interest. If the problem says "semiannual payment of $25," use $50. Current yield only measures income — it ignores capital gains or losses.

📉 Discount Bond (Below Par)

N < C < M < C
Nancy Currently Makes Calls
  • Nominal (Coupon) is the lowest yield
  • Yield to Call is the highest yield
  • Price goes UP toward par at maturity → investor gains

📈 Premium Bond (Above Par)

N > C > M > C
Same letters, direction flips
  • Nominal (Coupon) is the highest yield
  • Yield to Call is the lowest (worst case)
  • Price goes DOWN toward par at maturity → investor loses premium
Par Bond
All Yields Are Equal
When a bond trades at par ($1,000), the Nominal Yield = Current Yield = YTM = YTC. This is the baseline — understand par, and the discount/premium hierarchies make intuitive sense.
Basis Points
1 BP = 0.01%
100 basis points = 1%. If a yield moves from 4.50% to 4.75%, that's a 25 basis point increase. The exam loves expressing changes in basis points.
Price vs. Yield Relationship
Inverse (Seesaw)
When interest rates go up, bond prices go down — and vice versa. Think of a seesaw. Longer maturity = more sensitive to rate changes. Zero-coupon bonds are the most volatile.
Quick Check
A bond is trading at a discount. Which is higher: the Coupon Rate (Nominal) or the Yield to Maturity?
Yield to Maturity is higher.
Remember N < C < M. Since M (Maturity) is to the right of N (Nominal/Coupon), it is the larger number.
⚠️
Common Exam Trap
The exam may ask "which yield is most important to an investor considering a callable bond trading at a premium?" The answer is Yield to Call — because it's the lowest (worst-case) yield, and callable premium bonds are most likely to be called.
💰

SIE Exam: Dividend Dates (DERP) & Corporate Actions

Section 2 of 8 · DERP is your best friend here
Dividend Date Order
D.E.R.P.
D → E → R → P
Declaration → Ex-Dividend → Record → Payable
Declaration Date: Board of directors announces the dividend
Ex-Dividend Date: The first day the stock trades without the dividend. Under T+1 settlement, this is generally the same business day as the Record Date.
Record Date: You must be on the books as owner by this date.
Payable Date: The dividend check is mailed / deposited.
💡 To GET the dividend: You must buy the business day before the Record Date. If you buy ON the Record Date (Ex-Date), you are too late.

Forward Stock Split

  • More shares, lower price
  • 2-for-1: 100 shares at $80 → 200 shares at $40
  • Total value does NOT change
  • "Cutting the pizza into smaller slices"

Reverse Stock Split

  • Fewer shares, higher price
  • 1-for-10: 1,000 shares at $2 → 100 shares at $20
  • Total value does NOT change
  • Often done to avoid delisting (maintain minimum price)

Rights (Preemptive Rights)

  • Offered to existing shareholders
  • Buy new shares below market price
  • Short-term (typically 30–45 days)
  • Purpose: maintain proportional ownership

Warrants

  • Exercise price is above market price at issuance
  • Long-term (often years, sometimes perpetual)
  • Often attached to bonds or preferred stock as a "sweetener"
  • Trade separately on exchanges
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Common Exam Trap
Rights are issued below market price (a discount to current shareholders). Warrants are issued above market price (they only have value if the stock rises). Don't mix them up — the exam will try.
📈

SIE Exam: Order Types — SLoBS, BLiSS & Short Selling

Section 3 of 8 · SLoBS and BLiSS are all you need
SLoBS ☝️
Orders placed ABOVE market price
  • Sell Limit — "I'll sell, but only at this price or higher"
  • Buy Stop — Triggers a buy when price rises to the stop price
BLiSS 👇
Orders placed BELOW market price
  • Buy Limit — "I'll buy, but only at this price or lower"
  • Sell Stop — Triggers a sell when price drops to the stop price (stop-loss)
💡 BLiSS is Below. That's all you need — if it's not BLiSS, it's SLoBS (above).
Market Order
Immediate / Best Available
Executes immediately at the best available price. Guarantees execution, not price. Used when speed matters more than price precision.
Stop Order vs. Stop-Limit Order
A stop order becomes a market order once the stop price is reached — execution is guaranteed, but price is not. A stop-limit order becomes a limit order once triggered — price is guaranteed, but execution is not. The exam tests whether you know the difference.
Short Selling
Sell High → Buy Low
Borrow shares, sell them, hope price drops, buy back cheaper. Max gain: stock goes to $0. Max loss: unlimited (stock can rise infinitely). Short sellers are responsible for paying dividends to the lender. Must be done in a margin account.
Quick Check
The market is at $50. You want to buy, but only if it drops to $48. Which order do you place?
Buy Limit Order.
You are buying below the market price. Remember BLiSS (Buy Limit) = Below.
🎯

SIE Exam: Options Breakeven, Intrinsic Value & Strategies

Section 4 of 8 · Call Up, Put Down — that's the foundation

📞 Calls

  • Buyer: Right to BUY at the strike price
  • Seller (Writer): Obligation to SELL
  • Breakeven: Strike + Premium
  • Bullish — profits when stock goes UP
  • Buyer max loss: premium paid
  • Buyer max gain: unlimited
💡 "Call Up" — add the premium to the strike

📉 Puts

  • Buyer: Right to SELL at the strike price
  • Seller (Writer): Obligation to BUY
  • Breakeven: Strike − Premium
  • Bearish — profits when stock goes DOWN
  • Buyer max loss: premium paid
  • Buyer max gain: strike − premium (stock to $0)
💡 "Put Down" — subtract the premium from the strike
Intrinsic Value vs. Time Value
Intrinsic value = how much the option is "in the money." A call with a $50 strike when the stock is at $55 has $5 intrinsic value.
Time value = Premium − Intrinsic Value. It reflects the possibility the option becomes more valuable before expiration. At expiration, time value = $0.

In the money: Has intrinsic value (call: stock > strike; put: stock < strike)
Out of the money: No intrinsic value (all time value)
At the money: Stock price = strike price
Covered vs. Uncovered (Naked) Calls
Covered call: Writer owns the underlying stock. Max loss is limited (can deliver the shares). Generates income on a stock you already own.
Uncovered (naked) call: Writer does NOT own the stock. Max loss is unlimited — must buy shares at market price to deliver. This is the riskiest options strategy on the exam.
Quick Check
An investor buys a call option with a strike of $60 and pays a $4 premium. What is the breakeven?
$64
"Call Up" — Strike ($60) + Premium ($4) = $64 breakeven. The stock must be above $64 for the buyer to profit.
🧮

SIE Exam: Key Formulas — Current Yield, NAV, Tax-Equivalent Yield

Section 5 of 8 · Know how to set these up, not just memorize them
Real Rate of Return
Total Return − Inflation
Also called "inflation-adjusted return." If you made 8% but inflation was 3%, your real return is 5%. This is what your purchasing power actually gained.
Tax-Equivalent Yield
Muni Yield ÷ (1 − Tax Rate)
Used to compare a tax-free municipal bond to a taxable corporate bond. Example: 4% muni, 32% tax bracket → 4% ÷ (1 − 0.32) = 4% ÷ 0.68 = 5.88%. This means a taxable bond would need to yield at least 5.88% to beat the muni.
Mutual Fund NAV
(Assets − Liabilities) ÷ Shares Outstanding
Calculated once per day at market close (4 PM ET). All buy and sell orders placed during the day execute at the next calculated NAV — this is called forward pricing.
Sales Charge %
(POP − NAV) ÷ POP
The sales charge (load) is calculated as a percentage of the Public Offering Price, not the NAV. Max sales charge for mutual funds: 8.5% under FINRA rules.
Earnings Per Share (EPS)
Net Income ÷ Shares Outstanding
Measures profitability on a per-share basis. Used alongside the P/E ratio (Price ÷ EPS) — a high P/E may mean the stock is overvalued or that investors expect high growth.
Dividend Yield
Annual Dividends ÷ Stock Price
Measures the income return on a stock investment. Different from Current Yield (which is for bonds). A high dividend yield can mean a good income stock or a falling stock price — context matters.
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Common Exam Trap
The sales charge formula divides by POP (the asking price), not by NAV. Also: Current Yield for bonds uses interest, while Dividend Yield for stocks uses dividends. The exam may mix these up in the answer choices.

SIE Exam: Systematic vs. Unsystematic Risk, Beta & Alpha

Section 6 of 8 · Systematic vs. unsystematic is guaranteed on the exam

🌊 Systematic Risk (Market Risk)

  • Cannot be diversified away
  • Affects the entire market
  • Measured by Beta
  • Types: Interest rate, inflation/purchasing power, market, reinvestment, political/legislative, currency/exchange rate
💡 Think "SYSTEM" = the whole system is affected

🎯 Unsystematic Risk (Diversifiable)

  • CAN be reduced by diversification
  • Specific to a company or industry
  • Types: Business/financial, credit/default, regulatory, liquidity, call, prepayment
💡 "UNsystematic = UNique to one company = UNdo it with diversification"
Beta
Market = 1.0
Measures a stock's volatility relative to the market. Beta of 1.0 = moves with the market. Beta > 1.0 = more volatile (aggressive). Beta < 1.0 = less volatile (defensive). Beta of 0 = no correlation. Negative beta = moves opposite to the market.
Alpha
Measures excess return above what beta predicted. Positive alpha = the portfolio outperformed its expected risk-adjusted return. Negative alpha = underperformed. Alpha is what active managers are trying to generate.
Standard Deviation
Measures total risk (both systematic and unsystematic). Higher standard deviation = wider range of returns = more volatile. Unlike beta (which only measures market risk), standard deviation captures everything.
Quick Check
An investor holds a diversified portfolio of 50 stocks. Which type of risk has been primarily reduced?
Unsystematic (diversifiable) risk.
Diversification reduces company-specific risk. Systematic risk (market risk) remains — you can't diversify it away. That's why even a well-diversified portfolio still loses value in a market crash.
🏦

SIE Exam: Economic Indicators & Federal Reserve Tools

Section 7 of 8 · Know which indicators lead, lag, and coincide
Leading Indicators
Predict the Future
Change before the economy does. They're crystal ball indicators:
• Building permits • S&P 500 stock index • Initial jobless claims (inverted — rising claims = bad) • Money supply (M2) • New orders for manufactured goods • Consumer expectations
💡 The stock market is a LEADING indicator — it drops before recessions and rises before recoveries.
Lagging Indicators
Confirm the Past
Change after the economy has already shifted:
• Unemployment rate • CPI (Consumer Price Index) • Prime rate • Average duration of unemployment • Corporate profits
💡 CPI and unemployment are LAGGING — they confirm what already happened. The exam loves testing this.
Coincident Indicators
Move in Real Time
Change at the same time as the economy:
• GDP (Gross Domestic Product) • Industrial production • Personal income • Nonagricultural payrolls
Federal Reserve Tools
The Fed has three main tools to control the money supply:

1. Discount Rate — The rate the Fed charges banks for short-term borrowing. Raising it = tighter money.
2. Federal Funds Rate — The rate banks charge each other for overnight loans. The Fed's primary tool — adjusted through open market operations.
3. Open Market Operations (OMO) — Buying and selling Treasury securities. Buy bonds = inject money (expansionary). Sell bonds = remove money (contractionary). This is the Fed's most frequently used tool.
4. Reserve Requirement — The percentage of deposits banks must hold. Raising it = less lending. Rarely changed — the "nuclear option."

Expansionary (Easy Money)

  • Fed buys securities
  • Lowers discount rate & fed funds
  • Decreases reserve requirements
  • Goal: stimulate growth, fight recession
  • Risk: inflation

Contractionary (Tight Money)

  • Fed sells securities
  • Raises discount rate & fed funds
  • Increases reserve requirements
  • Goal: slow growth, fight inflation
  • Risk: recession/unemployment
⚠️
Common Exam Trap
Fiscal policy (Congress — taxes and spending) vs. Monetary policy (the Fed — money supply and interest rates). The exam will mix these. Remember: the Fed doesn't set taxes, and Congress doesn't set interest rates.
🔑

SIE Exam: Margin Rules (Reg T), Account Types & UGMA/UTMA

Section 8 of 8 · Reg T, maintenance margin, and account types
Regulation T (Initial Margin)
50% Deposit Required
Set by the Federal Reserve. When buying on margin, you must deposit 50% of the purchase price. Example: buy $20,000 of stock → deposit $10,000 cash, borrow $10,000 from the broker.
Maintenance Margin
25% Minimum Equity
Set by FINRA/NYSE (not the Fed). Your equity must stay above 25% of the long market value. If it drops below, you receive a margin call — deposit more cash or securities, or the broker can liquidate your positions.
Long Margin Equation
Equity = LMV − Debit
LMV (Long Market Value) − Debit Balance (what you owe the broker) = Equity.
The debit balance doesn't change when stock price moves — only LMV and equity change. If equity falls below 25% of LMV, a margin call is triggered.

Cash Account

  • Must pay in full (no borrowing)
  • Payment due by T+1 (settlement date)
  • No margin calls
  • Free-riding prohibited (90-day freeze)

Margin Account

  • Borrow from broker to buy securities
  • Interest charged on borrowed amount
  • Required for short selling and certain options
  • Must sign a margin agreement and receive a risk disclosure

UGMA / UTMA (Custodial)

  • One custodian, one minor per account
  • Gifts are irrevocable (can't take it back)
  • No margin, no short selling, no speculative strategies
  • UGMA: limited to financial assets. UTMA: can include real estate
  • Control transfers to the minor at age of majority (18 or 21 by state)

Fiduciary / Trust Accounts

  • Fiduciary acts in the best interest of another person
  • Must follow the Prudent Investor Rule
  • Common types: trust, estate, guardianship, conservatorship
  • Cannot exceed authority granted by the governing document
Quick Check
An investor buys $40,000 of stock on margin. How much must they deposit under Reg T?
$20,000
Reg T = 50%. $40,000 × 50% = $20,000 initial deposit. The remaining $20,000 is the debit balance (borrowed from the broker).
⚠️
Common Exam Trap
Reg T (50%) is set by the Federal Reserve. Maintenance margin (25%) is set by FINRA/NYSE. The exam asks "who sets what" — don't confuse the authorities. Also: firms can require higher margins than the minimums (called "house requirements"), but never lower.
Test Yourself

Concept: Dividend Dates (T+1 Rule)

The Record Date is Thursday, May 15th. To receive the dividend, when is the last day you can purchase the stock?

Correct!

Under T+1 settlement, you must buy the business day before the Record Date. Buying on Wednesday, May 14th settles on Thursday, May 15th, making you a holder of record.

We have 3,000+ more questions like this.

Not quite

Remember T+1 Settlement. It only takes 1 day to settle now. If you buy on Tuesday (May 13), you are early (settles Wednesday). The last day is Wednesday (May 14), which settles on the Record Date (Thursday).

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SIE Exam Cheat Sheet Summary

This is the most comprehensive free cheat sheet for the FINRA Securities Industry Essentials (SIE) Exam, updated for 2026 with T+1 settlement standards. It covers: bond yield hierarchy for discount and premium bonds (Nancy Currently Makes Calls), dividend dates using the DERP mnemonic (Declaration, Ex-Dividend, Record, Payable), order types using SLoBS (Sell Limit Buy Stop = Above) and BLiSS (Buy Limit Sell Stop = Below), options breakevens (Call Up = Strike + Premium, Put Down = Strike - Premium), key formulas including current yield, tax-equivalent yield, NAV, and sales charge percentage, systematic versus unsystematic risk with beta and alpha definitions, economic indicators (leading, lagging, coincident) and Federal Reserve monetary policy tools, and account types including Regulation T margin (50%), maintenance margin (25%), and UGMA/UTMA custodial account rules. Published by 2DollarTests.

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