Interactive Brokers Group, Inc. (IBKR) Probability Analysis

Probability analysis extracts the risk-neutral probability distribution implied by option prices. It shows the market-implied likelihood of the underlying reaching various price levels by expiration.

Snapshot as of Apr 22, 2026.

Spot Price

$77.47

ATM IV

39.2%

Put/Call Ratio

0.71

As of Apr 22, 2026, Interactive Brokers Group, Inc. (IBKR) at $77.47 has an ATM IV of 39.2%, implying a 30-day one-standard-deviation range of approximately ±$8.71. Under lognormal assumptions, roughly 68% of outcomes fall within ±1σ and 95% within ±2σ. Real-world distributions have fatter tails — risk-neutral probability analysis corrects for that by extracting the market-implied distribution directly from options prices.