Buying stocks is simpler than ever with online brokers and mobile apps. Understanding the process and order types helps you execute trades effectively and get the best prices for your investments.
Before You Buy
Prerequisites
Have Ready:
- Funded brokerage account
- Research on the stock
- Clear investment goal
- Position size determined
Know the Stock
Research:
- Ticker symbol
- Current price
- Company basics
- Why you want to own it
Understanding Order Types
Market Order
Definition: Buy immediately at current market price
Characteristics:
- Fastest execution
- Price not guaranteed
- Best for liquid stocks
- Simple to place
When to Use:
- Need immediate execution
- Trading liquid stocks
- Price less important than timing
Caution: In volatile markets, execution price may differ from displayed price.
Limit Order
Definition: Buy only at specified price or better
Characteristics:
- Price is guaranteed
- Execution not guaranteed
- May partially fill
- More control
When to Use:
- Want specific price
- Less liquid stocks
- Not urgent
- Price sensitive
Example: Stock at $50. Limit order to buy at $48. Only executes if price drops to $48.
Stop Order (Stop-Loss)
Definition: Becomes market order when price reaches trigger
Buy Stop:
- Triggers above current price
- Used for breakout entries
- Becomes market order
Note: More commonly used for selling, but can be used to buy on breakouts.
Stop-Limit Order
Definition: Becomes limit order when stop price reached
Characteristics:
- Two prices: stop and limit
- More precise
- May not execute
- Combines features
Placing a Buy Order
Step-by-Step Process
1. Log Into Brokerage
- Access account
- Navigate to trading section
2. Find the Stock
- Enter ticker symbol
- Verify correct company
- Check current price
3. Select Order Type
- Market, limit, or other
- Choose based on needs
4. Enter Quantity
- Number of shares
- Or dollar amount (some brokers)
- Consider position sizing
5. Set Price (if limit)
- Your maximum price
- Consider current spread
6. Choose Duration
- Day order (expires end of day)
- GTC (Good Till Cancelled)
- Other options available
7. Review Order
- Verify all details
- Check total cost
- Confirm correct stock
8. Submit Order
- Click buy/submit
- Wait for confirmation
- Order sent to market
Order Duration Options
Day Order:
- Valid only today
- Expires at market close
- Default option usually
GTC (Good Till Cancelled):
- Stays active until filled
- Or until you cancel
- Usually 60-90 day limit
IOC (Immediate or Cancel):
- Fill immediately
- Cancel unfilled portion
- For quick execution
FOK (Fill or Kill):
- All or nothing
- Immediate full fill required
- Or entire order cancelled
Understanding Execution
Bid-Ask Spread
Bid: Highest price buyers will pay
Ask: Lowest price sellers will accept
Spread:
- Difference between bid and ask
- Cost of immediate execution
- Wider spread = less liquid
Example: Bid: $49.95, Ask: $50.05 Spread: $0.10
Execution Price
Market Order:
- Usually executes at ask price (for buys)
- May vary in fast markets
Limit Order:
- At your limit or better
- May get price improvement
Partial Fills
What Happens:
- Large orders may fill in pieces
- Different prices possible
- Average price calculated
- Common with less liquid stocks
Fractional Shares
What They Are
Partial Share Ownership:
- Buy portion of one share
- Dollar-based investing
- Expensive stocks accessible
Example: $100 buys 0.1 shares of a $1,000 stock
Pros and Cons
Advantages:
- Invest any amount
- Access expensive stocks
- Easy diversification
Disadvantages:
- Not all brokers offer
- Can't transfer some
- Small position management
Best Practices
Before Buying
Do:
- Research the company
- Know your entry reason
- Determine position size
- Set target and stop
Don't:
- Buy on tips alone
- Chase hot stocks
- Invest money you need soon
- Skip due diligence
Order Placement
Tips:
- Use limit orders for less liquid stocks
- Market orders fine for large, liquid stocks
- Check bid-ask spread before ordering
- Verify order details before submitting
After Buying
Actions:
- Confirm execution
- Record purchase details
- Set alerts if desired
- Monitor periodically
Common Mistakes
Order Errors
Avoid:
- Wrong ticker symbol
- Incorrect quantity
- Wrong order type
- Not checking spread
Execution Issues
Watch For:
- Market orders in volatile markets
- Limit orders too far from market
- After-hours trading risks
- Illiquid stocks
Costs of Buying
Commission
Current Landscape:
- Most brokers: $0 commission
- Some charge for certain trades
- Always verify fees
Hidden Costs
Consider:
- Bid-ask spread
- Price impact (large orders)
- Account fees
- Inactivity fees
Mobile vs Desktop
Mobile Trading
Pros:
- Convenient
- Trade anywhere
- Quick access
Cons:
- Smaller screen
- Potential for mistakes
- Limited analysis
Desktop Trading
Pros:
- Better analysis tools
- Larger view
- More features
Recommendation: Use desktop for analysis, mobile for monitoring and quick trades.
Key Takeaways
- Market orders execute immediately at current price
- Limit orders give price control but may not execute
- Always verify ticker symbol and order details
- Consider bid-ask spread for execution costs
- Fractional shares allow investing any amount
- Use limit orders for less liquid stocks
- Record your trades and reasons
- Start small while learning
What's Next?
Learn how to sell stocks and take profits.
This article is for educational purposes only and does not constitute financial advice.