Free · No account required · Works on weekends

Options trading,
calculated.

Auto-populate any ticker with live price, beta, dividends, and full options chains. Grade your CSP and covered call setups instantly. Built by traders, for traders.

⚡ Launch Calculator How it works
strike-calculator.html
$ lookup MO
Altria Group $65.80 | Beta 0.61 | Div 6.4% | Consumer Staples
$ fetch_chain --strategy CSP --dte 30-45
$62.50 put | Mar 21 | 41d | bid $0.85 | δ-0.18 | Grade A ✓
$60.00 put | Mar 21 | 41d | bid $0.42 | δ-0.12 | Grade B
$ calc --annual-roi 12.4% --otm 5.0% --breakeven $61.65
Sweet spot ✓ Portfolio utilization: 31%
Features

Everything you need. Nothing you don't.

🔍

Auto-Lookup Any Ticker

Type a symbol, hit Lookup. Price, beta, dividend yield, sector, 52-week range, and earnings date populate automatically via live API.

⛓️

Live Options Chains

Pull real bid/ask, delta, IV, and open interest directly from Tradier. Auto-filtered to your strategy and DTE range. Works on weekends.

📊

CSP & Covered Calls

Toggle between cash-secured puts and covered calls. Strike grid, capital requirements, and ROI calculations adjust automatically.

🏆

Grade Every Setup

A/B/C quality grades based on % OTM cushion, annualized ROI, and premium efficiency. Green "sweet spot" highlighting for ideal entries.

📋

Portfolio Tracker

Add positions, track total capital deployed, premium collected, and account utilization. Color-coded risk warnings when overexposed.

Pre-Trade Checklist

15-point validation covering timing, technical confirmation, risk management, and exit planning. Never skip a step before entry.

Getting Started

Up and running in 5 minutes

1

Get Your Free API Keys

Create free accounts at Twelve Data (stock quotes) and Tradier (options chains). No credit card, no funding required. Takes 2 minutes each.

2

Connect Your Keys

Open the calculator, click ⚙️ API Connections, paste both keys, and hit "Test & Save." Green dots = you're connected.

3

Look Up Any Ticker

Type a symbol, hit Lookup. Stock data populates instantly. Click "Fetch Options Chain" to pull live premiums with Greeks.

4

Build & Validate

Review grades, add positions to your portfolio, and run the pre-trade checklist before entering any trade. Export to CSV anytime.

Ready to trade smarter?

Free forever. No account needed. Your data stays in your browser.

⚡ Launch the Calculator