<p>The Put/Call Ratio compares the total number of puts and calls traded. The put-call ratio is calculated by dividing the number of traded put options by the number of traded call options.</p>

P/C Ratio

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Theoretical Value

Book Value

Market Capitalization (Market Cap)

Mutual Fund

Par Value

Volatility Index (VIX)

Price-to-Earnings Ratio

Yield Curve

Value Stock

Treasury Note (T-Note)

Treasury Bond (T-Bond)

Treasury Bill (T-Bill)

Stock Split

Short Selling

Short Interest

Risk Tolerance

Revenue

Recession

Synthetic Short

Synthetic Long

Synthetic Position

Over-the-Counter (OTC) Market

Money Market Fund (MMF)

Stop Order

Market Order

Limit Order

Interest Rate Risk

Periscope FAQ

How To Interpret Periscope Net Gamma Exposure

Quick Custom Alert Presets

Institutional Investor

Retail Investor

IPO (Initial Public Offering)

Hedge Fund

Growth Stock

Futures Contract

Fundamental Analysis

Technical Analysis

Float

Short Squeeze

Flow Review February 12, 2025: Unusual Activity on $KWEB and a Follow Up Trade

Flow Review June 15, 2024: How we used Unusual Whales to know when Roaring Kitty exited his GameStop, $GME calls

Flow Review June 5, 2024: A Breakdown of Roaring Kitty's GameStop $GME options activity, and how we tracked it

Flow Review January 30, 2025: Identifying Put Writes with $AMZN and tracking Unusual Options Activity in $CLS

Flow Review September 4, 2024: Super Micro Computer, $SMCI, and its unusual trading days before major news event

Flow Review September 11, 2024: PLTR and DELL join the S&P500, a look back at their options activity beforehand

Flow Review September 2024: Unusual Shorting Flow and how to Spot PUT Writing with $CRWD

Flow Review November 2024: Trading around Crypto stock $CLSK around Trump's Election

Flow Review November 2024: Unusual Options Activity around Microsoft $MSFT and $AI news

Probability of Profit (POP)

Flow Review $COF August, 2024: Following a $COF trader using Historical Flow

Flow Review $SMCI, October 2024: Walking through SMCI Unusual Flow

Flow Review $TIGR, $PDD, $BABA October 2024: Breaking down Unusual Options Flow in Chinese Stocks, and how Options helped push the Chinese stock market frenzy

Margin

Cash Account

Pattern Day Trade Rule (PDT)

Day Trading

Fiduciary

Federal Funds Rate

Exchange-Traded Fund (ETF)

Earnings per Share (EPS)

Capital Gain and Loss

Corporate Bond

Compound Interest

Volatility Halt

Common Stock

Circuit Breaker

Broker-Dealer

Stock Buyback

Bull Market

Bond Yield

Bonds

Arbitrage (stocks)

Blue Chip Stock

Bear Market

Asset Allocation

After-Hours (AH)

Weekly Options (Weeklies)

Underlying Asset

Strike Price

Skew (Option / Stock Pricing)

Roll (Rolling an Option)

Community Page Overview

Pin Risk (Options Expiration)

Naked Calls and Naked Puts

Liquidity

Extrinsic Value

Exercise

Expiration Date

Expiration Cycle

Breakeven Price

At the Money (ATM)

Assignment