See the market’s odds on every strike, and trade them from your own brokerage account.
Free with a linked brokerage account: live SPY and QQQ ladders. The ladder here uses made-up, illustrative numbers.
SPY588.20Expires Oct 23
Illustrative data
- 594, P(above) 32%, above price 0.34, below price 0.69
- 593, P(above) 36%, above price 0.37, below price 0.65
- 592, P(above) 40%, above price 0.41, below price 0.62
- 591, P(above) 43%, above price 0.44, below price 0.58
- 590, P(above) 47%, above price 0.48, below price 0.54
- 589, P(above) 51%, above price 0.52, below price 0.50
- 588, P(above) 54%, above price 0.55, below price 0.47
- 587, P(above) 58%, above price 0.59, below price 0.43
- 586, P(above) 61%, above price 0.62, below price 0.40
- 585, P(above) 65%, above price 0.66, below price 0.36
- 584, P(above) 68%, above price 0.69, below price 0.33
- 583, P(above) 71%, above price 0.72, below price 0.30
P(SPY above 591 at the Oct 23 close) = 43%
Above 0.44Below 0.58Made-up numbers, not market quotes
- A rung
- One listed strike for one expiry. The dashed line is where SPY trades now.
- P(above)
- The probability, implied by the market’s own option prices, that SPY closes above that strike at expiry.
- Above and below
- What it costs, per $1 of payoff, to take each side with a 1-point vertical spread at the ask.
Your agents read the same ladder
The terminal and your agents use one API: a hosted MCP server with OAuth, paper mode, and limits you set. Agents can’t change their own limits, and every call lands in a log you can replay.
Claude Code
claude mcp add --transport http strike https://mcp.strike.tradingWhat strike.trading is not
No signals, no picks, no advice. We never hold your money: orders go to your own account at the broker you link, the broker of record. Every number on the ladder comes from live quotes and closed-form math.