Fastly Inc (FSLY) Historical Volatility

Tracking FSLY historical volatility helps you see how much Fastly Inc's stock price has actually moved over past periods, giving you a baseline to judge whether current option premiums are fair, cheap, or expensive. While implied volatility tells you what the market expects, Fastly Inc's HV tells you what really happened. Use our scanner to monitor FSLY 30 day historical volatility alongside longer lookback windows and spot the moments when realized and implied diverge.

Historical volatility is the annualized standard deviation of an underlying's past returns, typically measured over rolling windows like 10, 20, 30, or 60 days. The FSLY 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing Fastly Inc's HV to its implied volatility reveals the volatility risk premium — when IV sits well above HV, option sellers tend to have an edge; when HV runs hot relative to IV, buyers may be underpaying for movement.

Fastly, Inc. operates an edge cloud platform for processing, serving, and securing its customer's applications in the United States, the Asia Pacific, Europe, and internationally. The edge cloud is a category of Infrastructure as a Service that enables developers to build, secure, and deliver digital experiences at the edge of the internet. It is a programmable platform designed for web and application delivery. The company offers Compute@Edge; developer hub that includes solution library patterns and recipes, API and language references, change logs, and Fastly Fiddle solutions; device detection and geolocation, edge dictionaries, edge access control lists, and edge authentication services; full site delivery services, such as dynamic site acceleration, origin shield, instant purge, surrogate keys, real-time logging and stats, cloud optimizer, programmatic control, edge databases, content compression, reliability, and modern protocols and performance services; and streaming solutions and services, including live streaming, media shield, and origin connect.

It also provides edge security solutions, such as DDoS protection and cloud, edge web application firewall (WAF), transport layer security (TLS), platform TLS, and compliance services; unified web application and API protection solutions that includes runtime self-application protection, advanced rate limiting, API and ATO protection, account takeover protection, bot protection, and next generation WAF. In addition, the company offers edge applications, such as load balancers and image optimizers; video on demand; and managed edge delivery services. It serves customers operating in digital publishing, media and entertainment, technology, online retail, travel and hospitality, and financial services industries. The company was formerly known as SkyCache, Inc. and changed its name to Fastly, Inc. in May 2012. Fastly, Inc. was incorporated in 2011 and is headquartered in San Francisco, California.

Sizing a long premium trade, modeling a covered call, or hunting volatility arbitrage all come back to one question: how much has the stock actually moved? Our scanner puts Fastly Inc's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where FSLY HV is running hot, cold, or in line. Make the FSLY 30 day historical volatility — and every other window — work for your edge instead of against it.