- Cable
- CAD
- Calendar Spread
- Call
- Call Backspread
- Call Risk
- Call Spread
- Callable Bond
- Callable Preferred Stock
- Called Away
- Calmar Ratio
- Canadian Ivey Purchasing Managers (CIPM) Index
- Candlestick Chart
- Capacity Utilization
- Capital
- Capital Flight
- Capital Gain
- Capital Good
- Capital Loss
- Capitalization
- Capitulation
- Capping
- Carbon Footprint
- Carbon Offset
- Carbon Sequestration
- Carry Trade
- Carrying Broker
- Carrying Charges
- Cartel
- Cash
- Cash Account
- Cash Available for Withdrawal
- Cash Balance
- Cash Dividend
- Cash Flow
- Cash Flow/Share (TTM)
- Cash Management Bills (CMBs)
- Cash Market
- Cash Price
- Cash Settlement for Cash Settled Index Options
- Catastrophe Call
- CBOE
- CBOT
- Central Bank (CBS)
- Certificate of Deposit
- Certificate of Participation (COP)
- Certified B-Corporation
- Certified Stocks
- CFTC
- Chaikin Money Flow Oscillator
- Chaikin Oscillator
- Chaikin Volatility Indicator
- Chande Kroll Stop
- Chande Momentum Oscillator
- Chande Volatility Index Dynamic Average (VIDYA)
- Chart Arithmetic
- Chart Indicators
- ChartTrader
- Check Margin Pre-Order
- CHF
- Chicago Mercantile Exchange (CME)
- Chinese Offshore Renminbi (CNH)
- Chooser Option
- Chop Zone
- Chopiness Index
- Circuit Breaker
- Circular Economy
- Class of Options
- Clean Air
- Clearing
- Clearing Broker
- Clearing House
- Clearing Member
- Clearing Member Trade Agreement (CMTA)
- Client Account Template
- Client Fee Schedule
- Client Fee Template
- Climate Change
- Close
- Close Price Strategy
- Close-out (Option)
- Close/Closing Transaction
- Closed-End Fund
- Closed-End Indenture
- Closing Price
- Closing Range
- CMT (Chartered Market Technician)
- CNH
- Coinjoin
- Collar
- Collateral
- Collateral (Short Sale)
- Collateral Trust Bonds
- Collateralized Debt Obligation (CDO)
- Collateralized Mortgage Obligation (CMO)
- Color Grouping Windows
- Column Headers
- Combination Order
- Combined (Split) Offerings
- ComboTrader
- Command Economy
- Commerce
- Commercial
- Commercial Grain Stocks
- Commercial Paper
- Commission
- Commission (Short Sale)
- Commission/Share
- Commitments of Traders Report (COT)
- Commodities Account
- Commodity
- Commodity Channel Indicator (CCI)
- Commodity Credit Corporation
- Commodity Exchange Act (CEA)
- Commodity Exchange Authority
- Commodity Exchange Commission (CEC)
- Commodity Futures Trading Commission (CFTC)
- Commodity Index
- Commodity Index Fund
- Commodity Index Swap
- Commodity Index Trader
- Commodity Linked Bond
- Commodity Pool
- Commodity Pool Operator
- Commodity Trading Advisor
- Common Control (Member Firm)
- Common stock
- Community Development Finance Institutions
- Community Property
- Companion/Support Bonds
- Company Specific News
- Company Transparency
- Comparative Advantage
- Competitive Market
- Competitive Sale
- Competitive Tenders
- Complementary Goods
- Compliance Officer
- Components
- Compound Interest
- Compound Option
- COMPX
- Conditional Order
- Condor Spread
- Conference Board Consumer Confidence Report
- Connors RSI
- Consensus Mechanism
- Consensus Rank (Avg. Rating)
- Consignment
- Constant Yield Method
- Construction Loan Note (CLN)
- Consumer Confidence
- Consumer Price Index (CPI)
- Consumer Safety
- Contango
- Contingency Order
- Contingent Beneficiary
- Continuous Call
- Continuous Futures Contract
- Continuous Net Settlement (CNS)
- Continuous Trading
- Contract
- Contract Description
- Contract for Difference (CFD)
- Contract Grade
- Contract Market
- Contract Size
- Contribution To Return
- Control (Member Firm)
- Convergence
- Conversion
- Convertible Bond
- Convertible Preferred Stock
- Convertible Virtual Currency
- Convexity
- Cooling-Off Period
- Coppock Curve
- Core Principle
- Corn-Hog Ratio
- Corner
- Corporate Action (CA)
- Corporate Bond
- Corporate Dividend Exclusion
- Corporate Earnings
- Corporate Events
- Corporate Politcial Spending and Lobbying
- Corporate Social Responsibility (CSR)
- Corporation
- Correlation
- Cost Basis
- Cost of Carry
- Cost of Tender
- Counter Currency
- Country of Legal Residence
- Country Risk
- Coupon
- Coupon Bond
- Coupon Dates
- Coupon Rate
- Coupon Yield
- Covered Call
- Covered Combination
- Covered Option
- Covered Put
- Covered Straddle
- CPI
- Crack Spread
- CRD
- Create Portfolio Page
- Create Ticker
- Credit Quality
- Credit Risk
- Credited to Equity
- Creditor
- CRM
- Crop Year
- Cross
- Cross Trading
- Cross-Hedge
- Crossed Market
- Crossfinder+
- Crown Currencies
- Crush Spread
- Cryptocurrency
- Cryptocurrency Mining
- Cryptography
- CSFB Algo
- CSFB Auction
- CSFB TWAP
- CTA
- CTCI
- Cumulative Preferred Stock
- Cumulative Return
- Curb Trading
- Currency Arbitrage
- Currency Forward
- Currency Pair
- Currency Risk
- Currency Swap
- Currency Symbols
- Current Account
- Current Account Balance
- Current Available Funds
- Current Excess Liquidity
- Current Initial Margin
- Current Maintenance Margin
- Current Status (Deposits)
- Current Status (Internal Transfers)
- Current Status (Position Transfers)
- Current Status (Withdrawals)
- CUSIP
- Customized Statements
- Cycle
- Cyclical Companies
- Cyclical Stocks
- Cyclical Unemployment
- CZK
- Negotiable Certificates of Deposit (CDs)