Spok Holdings Inc (SPOK) Historical Volatility

Tracking SPOK historical volatility helps you see how much Spok Holdings 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, Spok Holdings Inc's HV tells you what really happened. Use our scanner to monitor SPOK 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 SPOK 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing Spok Holdings 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.

Spok Holdings, Inc., through its subsidiary, Spok, Inc., provides healthcare communication solutions in the United States, Europe, Canada, Australia, Asia, and the Middle East. It delivers clinical information to care teams when and where it matters to enhance patient outcomes. The company offers subscriptions to one-way or two-way messaging services; and ancillary services, such as voicemail, and equipment loss or maintenance protection services, as well as sells devices to resellers who lease or resell them to their subscribers. Its Spok Care Connect platform enhance workflows for clinicians and support administrative compliance.

In addition, the company provides professional, software license updates, and product support services, as well as sells third-party equipment. It serves businesses, professionals, management personnel, medical personnel, field sales personnel and service forces, members of the construction industry and construction trades, real estate brokers and developers, sales and services organizations, specialty trade organizations, manufacturing organizations, and government agencies. The company was formerly known as USA Mobility, Inc. and changed its name to Spok Holdings, Inc. in July 2014. The company was founded in 1986 and is headquartered in Alexandria, Virginia.

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 Spok Holdings Inc's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where SPOK HV is running hot, cold, or in line. Make the SPOK 30 day historical volatility — and every other window — work for your edge instead of against it.