Our Story
Built by a veteran HFT options quant who was disappointed by what's available to retail traders.
See the Difference
Every chart is backed by properly-fitted vol surfaces, not interpolated Greeks from your broker.
The only platform built on proper American vol pricing with discrete dividends, implied forwards, and intraday vol surfaces — not Black-Scholes approximations.
Get Early Access Why Does This Matter? →Free tier available. No credit card required.
Built from scratch by HFT options quants who care about getting the math right.
American vol pricing with discrete dividends and implied borrow yield. Your broker's Black-Scholes IV is wrong for SPY, AAPL, and every other American-exercise option.
15-minute snapshots with fractional vol time decay. See how the surface evolves through the day — critical for 0DTE trading where hours of vol time drain in minutes.
We separately imply the forward, borrow rate, and spot — giving you insight into dividend expectations and hard-to-borrow dynamics that no other platform surfaces.
Daily RV computed from 385 intraday returns per day — not a 21-day rolling window of closes. Compare against IV at any tenor to find mispricing.
Every chart is backed by properly-fitted vol surfaces, not interpolated Greeks from your broker.
Start free. Upgrade when you need more.
Built by a veteran HFT options quant who was disappointed by what's available to retail traders.
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