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ThetaViz is built for education, not trading advice. Browse 72 guides on options, stocks, spreads, taxes, and how to use our tools before you put capital at risk.

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New to options? Read these in order, then open the builder to experiment.

  1. 1
    What Are Options? Contracts, Rights, and Obligations

    Stock options in plain English: rights vs obligations, premium, strikes, expiration, and how they differ from owning shares.

  2. 2
    Call Options Explained

    Call options: right to buy at the strike, payoff at expiration, breakeven, delta, and when buyers vs sellers use calls.

  3. 3
    How to Read an Options Payoff Chart

    Read options P/L diagrams: axes, breakeven, max gain and loss, kinks at strikes, and how Greeks change the curve before expiry.

  4. 4
    Long Call: Definition, Payoff, and When Traders Use It

    How a long call works, breakeven, max loss, and when it beats buying shares for a bullish view.

Options basics

American vs European Options

Difference between American and European exercise styles and what most stock options use.

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Assignment, Exercise, and Early Exercise

What happens when options are exercised or assigned, and early exercise basics.

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Call Options Explained

Call options: right to buy at the strike, payoff at expiration, breakeven, delta, and when buyers vs sellers use calls.

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Expiration Dates and Theta (Time Decay)

How option expiration works, why time value erodes (theta), weeklies vs monthlies, and $100 stock examples for long and short options.

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How to Read an Options Chain

Options chain columns: bid, ask, volume, open interest, expirations, strikes, IV, and how to scan calls and puts on a $100 stock.

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How to Read an Options Payoff Chart

Read options P/L diagrams: axes, breakeven, max gain and loss, kinks at strikes, and how Greeks change the curve before expiry.

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Implied Volatility: What Moves Option Prices

Implied volatility (IV) in plain English: how it affects premiums, vol crush, vega, and examples on a $100 stock before earnings.

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Intrinsic vs Extrinsic Value in Premiums

Split option premium into intrinsic and extrinsic (time) value, see how theta and IV affect each, with $100 stock examples.

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Multi-Leg Strategies: Why Combine Options?

Why traders combine options legs, debit vs credit spreads, and how payoffs add together.

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Put Options Explained

Put options: right to sell at the strike, payoff zones, hedging stock, delta and theta, and risks for buyers vs sellers.

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Strike Price, ITM, ATM, and OTM

Strike price and moneyness (ITM, ATM, OTM) for calls and puts, with examples at $100 stock and links to delta and premium splits.

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The 100-Share Contract Multiplier

Why one option contract controls 100 shares and how to scale profit and loss.

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Volume vs Open Interest

How volume and open interest differ and what they tell you about liquidity.

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What Are Options? Contracts, Rights, and Obligations

Stock options in plain English: rights vs obligations, premium, strikes, expiration, and how they differ from owning shares.

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Single-leg strategies

Spreads and multi-leg

Bear Call Spread (Credit)

Credit call spread for a neutral to bearish range with defined risk.

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Bear Put Spread

Debit put spread for a bearish view with defined risk and reward.

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Bull Call Spread

Debit spread with a long lower-strike call and short higher-strike call for capped bullish exposure.

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Bull Put Spread (Credit)

Credit spread that profits when the stock stays above the short put strike.

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Butterflies and Condors Overview

Range-bound strategies using three or four strikes across calls and puts.

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Calendar Spread (Time Spread)

Same strike, different expirations: long back month, short front month.

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Credit Spreads vs Debit Spreads

Money in vs money out at entry and how that maps to outlook and risk.

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Diagonal Spread

Different strikes and expirations for directional bias plus time decay play.

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Iron Butterfly

Neutral strategy centered on one strike with tighter profit zone than an iron condor.

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Iron Condor

Four-leg neutral strategy combining bull put and bear call spreads for range-bound outlooks.

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Iron Condor vs Iron Butterfly

Compare profit zones, credit, and when to use condors vs butterflies.

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Jade Lizard and Reverse Jade Lizard

Short put combined with a bear call spread for credit with defined upside risk.

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Long Call Butterfly

Low-cost debit structure betting on a specific strike at expiration.

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Long Straddle

Long call and long put at the same strike for a big move either direction.

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Long Strangle

OTM call plus OTM put for a cheaper volatility bet than a straddle.

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Ratio Spreads: Unequal Leg Sizes

Spreads with different numbers of long and short legs and uneven risk.

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Short Straddle and Strangle Risks

Why selling straddles and strangles is dangerous for most retail traders.

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Vertical Spreads Overview

Same expiration, different strikes: the family of bull/bear call/put spreads.

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Using ThetaViz

Taxes and reporting

Markets and instruments

Analysis and mechanics

Risk and account rules

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