Tradematic Blog

Options strategies, automated trading insights, and market education.

Mathematical formula showing expected value calculation on a whiteboard
Options Education7 min

What Is Expected Value and Why It Matters in Options Trading

Expected value (EV) is the average outcome of a trade if you repeated it hundreds of times. In options trading, it is calculated as: (probability of profit ×…

Bernardo Rocha
Analyst reviewing trading strategy performance data with a critical eye
Risk Management8 min

What Is Survivorship Bias in Trading Strategy Evaluation?

Survivorship bias in trading is the tendency to evaluate strategies and traders based only on those that succeeded — ignoring the larger number that failed and…

Bernardo Rocha
Trader writing probability and expected value calculations on a whiteboard
Options Education9 min

How to Think Probabilistically About Options Trades

Probabilistic thinking in options means evaluating trades based on their expected value over many repetitions, not whether any single trade wins or loses. The…

Bernardo Rocha
Options greeks chart highlighting rho alongside delta theta vega gamma
Options Education8 min

What Is Rho in Options and When Does It Matter?

Rho is the options Greek that measures how much an option's price changes when the risk-free interest rate changes by 1%. It is typically the least important…

Bernardo Rocha
Interest rate chart showing rising rates alongside options pricing data
Market Conditions8 min

How Rising Interest Rates Affect Options Pricing

Rising interest rates increase the value of call options and decrease the value of put options. This effect is measured by rho — the options Greek that…

Bernardo Rocha
Trader monitoring Federal Reserve announcement on market screens
Market Conditions8 min

How to Trade Options Around Fed Announcements

Trading options around Federal Reserve announcements requires understanding one core pattern: implied volatility rises in the days before the announcement and…

Bernardo Rocha
Options strategy comparison chart showing double calendar and iron condor payoff diagrams
Options Education8 min

What Is a Double Calendar vs Iron Condor?

A double calendar spread sells two near-term options and buys two longer-term options at different strikes — one on each side of the current price. An iron…

Bernardo Rocha
Options trader examining low-volume market conditions on trading screen
Iron Condor Strategy8 min

How to Trade Iron Condors During Low Volume Periods

Iron condors can work during low volume periods, but the execution math changes. Wider bid-ask spreads mean you pay more to enter and receive less than you…

Bernardo Rocha
Options trader reviewing summer 2025 market charts at a clean desk
Options Education8 min

Best Options Strategies for Summer Markets 2025

Summer markets tend to favor options strategies that profit from time decay and range-bound price action. Lower institutional participation, compressed VIX…

Bernardo Rocha
Options trader reviewing quarterly performance charts on dual monitors
Iron Condor Strategy9 min

Iron Condor Performance: Q3 2025 Preview

Q3 (July through September) has historically been one of the more favorable quarters for iron condor traders. Lower summer trading volume, a VIX that tends to…

Bernardo Rocha
Retiree reviewing investment income on a laptop at a desk
Speculation vs Income7 min

How to Use Options Income to Supplement Retirement

Options income can supplement retirement by generating monthly cash flow from premium-selling strategies like iron condors, without requiring you to sell your…

Bernardo Rocha
Person on a mountain summit symbolizing financial independence with sunrise background
Speculation vs Income7 min

Financial Independence Through Options Income: Is It Realistic?

Options income can be a component of financial independence — but it's not a shortcut to it. The FIRE (Financial Independence, Retire Early) movement typically…

Bernardo Rocha