- Pacific Ream
- Pairs Trading
- PAMM
- Paper Trade
- Parabolic
- Parabolic Blowoff
- Parabolic System
- Parallel Line
- Paris Club
- Passive Investing
- Pattern
- Peak
- Peg
- Pennant
- Percentage Envelope
- Period
- Periodicity
- Permutation
- Petrodollars
- Piercing
- Piercing Pattern
- Piggybacking
- PIIGS
- Pinocchio Bar
- Pip
- Pipe Formation
- Pipettes
- Pivot Point Weighting
- Plain Vanilla
- Plateau
- Platykurtosis
- Plaza Accord
- Plunge Protection Team
- Point and Figure Chart
- Polarity Change
- Population
- Portfolio
- Position
- Position Adjustment
- Position Size
- Position Trading
- Position Value
- Positive Bias
- Positive Correlation
- Positive Feedback
- Price Discovery
- Price Insensitive Selling or Buying
- Price Shock
- Price Stability
- Price Swing
- Price Weighted Index
- Price-to-Corporate Earnings-to-Price Feedback
- Price-to-GDP-to-Price Feedback
- Price-to-Price Feedback
- Primary Intermediate
- Primary Trend
- Prime Broker
- Principle of Representation
- Privatization
- Probability
- Probability Distribution
- Profit Factor
- Profit Taking
- Profit-to-Drawdown Ratio
- Progressive Wave
- Proregressive Wave
- Prospect Theory
- Public Offering
- Pullback
- Purchasing Power Parity
- Put-Call Ratio





