See the market’s odds on every strike, and trade them from your Tradier account.
Free with a Tradier account: live SPY and QQQ ladders. The ladder here is a delayed sample.
SPY582.41Expires Oct 23
Sample · 15-min delayed · rounded
- 588, P(above) 31%, above price 0.32, below price 0.71
- 587, P(above) 34%, above price 0.36, below price 0.67
- 586, P(above) 38%, above price 0.39, below price 0.64
- 585, P(above) 41%, above price 0.43, below price 0.61
- 584, P(above) 45%, above price 0.47, below price 0.57
- 583, P(above) 48%, above price 0.50, below price 0.54
- 582, P(above) 52%, above price 0.54, below price 0.50
- 581, P(above) 55%, above price 0.57, below price 0.47
- 580, P(above) 59%, above price 0.61, below price 0.43
- 579, P(above) 62%, above price 0.64, below price 0.40
- 578, P(above) 65%, above price 0.67, below price 0.36
- 577, P(above) 68%, above price 0.70, below price 0.33
P(SPY above 585 at the Oct 23 close) = 41%
Above 0.43Below 0.61As of 3:05 pm ET, Oct 16
- 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 Tradier Brokerage, the broker of record. Every number on the ladder comes from live quotes and closed-form math.