Deep Fission, Inc. (FISN) Put/Call Volume History

Put/call volume ratio compares the number of put options traded to call options traded. Extreme readings can signal shifts in market sentiment relative to recent norms.

Deep Fission, Inc. (FISN) operates in the Industrials sector, specifically the Industrial - Machinery industry, with a market capitalization near $395.8M, listed on NASDAQ, employing roughly 51 people, carrying a beta of 4.66 to the broader market. Deep Fission Nuclear, Inc. Led by Elizabeth Muller, public since 2026-06-18.

Put/call volume history tracks trading activity and sentiment over time. No recent options activity for FISN as of 2026-08-31; this typically reflects low options liquidity, a recently listed name, or a temporary data feed delay. Snapshot will refresh on the next active session.

Learn how options volume is reported and how to read the data →